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Message-ID: <20210427074807.GI43717@e120937-lin>
Date: Tue, 27 Apr 2021 08:48:07 +0100
From: Cristian Marussi <cristian.marussi@....com>
To: Florian Fainelli <f.fainelli@...il.com>
Cc: Saravana Kannan <saravanak@...gle.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Al Cooper <alcooperx@...il.com>,
Jim Quinlan <james.quinlan@...adcom.com>,
Sudeep Holla <sudeep.holla@....com>,
Michael Walle <michael@...le.cc>,
Jon Hunter <jonathanh@...dia.com>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Guenter Roeck <linux@...ck-us.net>,
Android Kernel Team <kernel-team@...roid.com>,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 3/3] Revert "Revert "driver core: Set fw_devlink=on by
default""
Hi Florian,
On Mon, Apr 26, 2021 at 02:47:52PM -0700, Florian Fainelli wrote:
> On 4/26/21 2:33 PM, Saravana Kannan wrote:
> > On Mon, Apr 26, 2021 at 1:51 PM Florian Fainelli <f.fainelli@...il.com> wrote:
> >>
> >> Hi Saravana,
> >>
> >> Adding Sudeep and Christian, Al and Jim.
> >>
> >> On 3/2/21 1:11 PM, Saravana Kannan wrote:
> >>> This reverts commit 3e4c982f1ce75faf5314477b8da296d2d00919df.
> >>>
> >>> Since all reported issues due to fw_devlink=on should be addressed by
> >>> this series, revert the revert. fw_devlink=on Take II.
> >>>
> >>> Signed-off-by: Saravana Kannan <saravanak@...gle.com>
> >>
> >> This change breaks booting on SCMI-based platforms such as ARCH_BRCMSTB.
> >> If I revert this change or boot with fw_devlink=permissive, then our
> >> systems boot again. From a quick look, the SCMI clock provider was never
> >> probed which means that our UART driver never got a chance to get its
> >> clock and we have no console -> timeout.
> >
> > We explicitly landed changes to handle this condition. So we'll see if
> > this is what is happening.
> >
> >> Al, AFAICT you had started to analyze this before in the context of
> >> SCMI, do you mind sharing what you had found?
> >>
> >> Saravana, is there any debugging output that we can help provide?
> >
> > Thanks for the report. Couple of things that can help:
> > 1. Example DTS file (the final board file so that I can get the full DT view).
>
> Attached BCX972160DV.dts which is one such system.
>
> > 2. Point out the UART device node and the SCMI device node that you
> > suspect is causing the issue.
>
> The SCMI provider node is brcm_scmi@0 and its sub-node protocol@14 is
> the clock provider. The UART node is /rdb/serial@...c000.
>
> > 3. Boot logs with dev_dbg changed to dev_info in device_link_add() and
> > device_links_check_suppliers()
>
> OK, I did not want to modify the kernel so I just enabled dynamic debug
> prints from the command line, if this is too verbose let me know.
>
> Thank you for your prompt response.
> --
I may say something obvious but, looking at the kernel log, it seems to me
that it is the SCMI subsystem as a whole that is never initialized and goes
through a lot of deferrals because its only transport, the brcmstb-mbox, is
in turn never found to be ready, then as a consequence your serial, relying
on scmi-clock, is never initialized too.
In JUNO in fact I can see the same pattern of deferrals during boot (if I
enable dev_info in dev_link) until the ARM MHU mailboxes are found and
initialized and then firmware:scmi stops being deferred and it is
initialized with all the stack and its consumers.
I cannot see the brcm_scmi_mailbox@0 being found here instead.
Thanks
Cristian
> Florian
> [ 0.000000] Linux version 5.12.0-gef1244124349 (fainelli@...nelli-desktop) (arm-linux-gcc (GCC) 8.3.0, GNU ld (GNU Binutils) 2.32) #32 S
> MP Mon Apr 26 14:29:52 PDT 2021
> [ 0.000000] CPU: ARMv7 Processor [420f1000] revision 0 (ARMv7), cr=30c5383d
> [ 0.000000] CPU: div instructions available: patching division code
> [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
> [ 0.000000] OF: fdt: Machine model: BCX972160DV
> [ 0.000000] earlycon: ns16550a0 at MMIO32 0x000000000840c000 (options '115200')
> [ 0.000000] printk: bootconsole [ns16550a0] enabled
> [ 0.000000] printk: debug: skip boot console de-registration.
> [ 0.000000] Memory policy: Data cache writealloc
> [ 0.000000] cma: Reserved 16 MiB at 0x000000006f000000
> [ 0.000000] Zone ranges:
> [ 0.000000] DMA [mem 0x0000000040000000-0x000000006fffffff]
> [ 0.000000] Normal empty
> [ 0.000000] HighMem [mem 0x0000000070000000-0x000000013fffffff]
> [ 0.000000] Movable zone start for each node
> [ 0.000000] Early memory node ranges
> [ 0.000000] node 0: [mem 0x0000000040000000-0x00000000fdffefff]
> [ 0.000000] node 0: [mem 0x00000000fdfff000-0x00000000ffffffff]
> [ 0.000000] node 0: [mem 0x0000000100000000-0x000000013fffffff]
> [ 0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x000000013fffffff]
> [ 0.000000] On node 0 totalpages: 1048576
> [ 0.000000] DMA zone: 1920 pages used for memmap
> [ 0.000000] DMA zone: 0 pages reserved
> [ 0.000000] DMA zone: 196608 pages, LIFO batch:63
> [ 0.000000] HighMem zone: 851968 pages, LIFO batch:63
> [ 0.000000] psci: probing for conduit method from DT.
> [ 0.000000] psci: PSCIv1.1 detected in firmware.
> [ 0.000000] psci: Using standard PSCI v0.2 function IDs
> [ 0.000000] psci: Trusted OS resident on physical CPU 0x0
> [ 0.000000] psci: SMC Calling Convention v1.1
> [ 0.000000] percpu: Embedded 20 pages/cpu s49804 r8192 d23924 u81920
> [ 0.000000] pcpu-alloc: s49804 r8192 d23924 u81920 alloc=20*4096
> [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
> [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1046656
> [ 0.000000] Kernel command line: fw_devlink=on dyndbg="file drivers/base/core.c +p" debug earlycon keep_bootcon
> [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)
> [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
> [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
> [ 0.000000] software IO TLB: mapped [mem 0x0000000068400000-0x000000006c400000] (64MB)
> [ 0.000000] Memory: 3986968K/4194304K available (12288K kernel code, 1210K rwdata, 2648K rodata, 14336K init, 246K bss, 190952K reserved
> , 16384K cma-reserved, 3358716K highmem)
> [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
> [ 0.000000] ftrace: allocating 37847 entries in 74 pages
> [ 0.000000] ftrace: allocated 74 pages with 3 groups
> [ 0.000000] rcu: Hierarchical RCU implementation.
> [ 0.000000] rcu: RCU event tracing is enabled.
> [ 0.000000] Rude variant of Tasks RCU enabled.
> [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.
> [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
> [ 0.000000] GIC: Using split EOI/Deactivate mode
> [ 0.000000] irq_brcmstb_l2: registered L2 intc (/rdb/interrupt-controller@...0000, parent irq: 24)
> [ 0.000000] irq_brcmstb_l2: registered L2 intc (/rdb/interrupt-controller@...1000, parent irq: 25)
> [ 0.000000] irq_brcmstb_l2: registered L2 intc (/rdb/interrupt-controller@...1800, parent irq: 26)
> [ 0.000000] irq_brcmstb_l2: registered L2 intc (/rdb/interrupt-controller@...0640, parent irq: 27)
> [ 0.000000] irq_brcmstb_l2: registered L2 intc (/rdb/interrupt-controller@...a880, parent irq: 28)
> [ 0.000000] irq_brcmstb_l2: registered L2 intc (/rdb/interrupt-controller@...a400, parent irq: 29)
> [ 0.000000] irq_brcmstb_l2: registered L2 intc (/rdb/interrupt-controller@...a380, parent irq: 30)
> [ 0.000000] irq_brcmstb_l2: registered L2 intc (/rdb/interrupt-controller@...a440, parent irq: 31)
> [ 0.000000] irq_brcmstb_l2: registered L2 intc (/rdb/interrupt-controller@...a3c0, parent irq: 32)
> [ 0.000000] irq_brcmstb_l2: registered L2 intc (/rdb/interrupt-controller@...9000, parent irq: 33)
> [ 0.000000] random: get_random_bytes called from start_kernel+0x42c/0x60c with crng_init=0
> [ 0.000000] arch_timer: cp15 timer(s) running at 27.00MHz (phys).
> [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x63a1e71a3, max_idle_ns: 440795203123 ns
> [ 0.000001] sched_clock: 56 bits at 27MHz, resolution 37ns, wraps every 4398046511093ns
> [ 0.008134] Switching to timer-based delay loop, resolution 37ns
> [ 0.014453] Console: colour dummy device 80x30
> [ 0.018988] printk: console [tty0] enabled
> [ 0.023186] Calibrating delay loop (skipped), value calculated using timer frequency.. 54.00 BogoMIPS (lpj=27000)
> [ 0.033654] pid_max: default: 32768 minimum: 301
> [ 0.038432] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
> [ 0.045855] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
> [ 0.054210] CPU: Testing write buffer coherency: ok
> [ 0.059444] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
> [ 0.065526] Setting up static identity map for 0x40200000 - 0x40200060
> [ 0.072250] rcu: Hierarchical SRCU implementation.
> [ 0.078389] brcmstb: biuctrl: MCP: Enabling write pairing
> [ 0.084034] smp: Bringing up secondary CPUs ...
> [ 0.089532] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
> [ 0.090446] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
> [ 0.091316] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
> [ 0.091378] smp: Brought up 1 node, 4 CPUs
> [ 0.112826] SMP: Total of 4 processors activated (216.00 BogoMIPS).
> [ 0.119209] CPU: All CPU(s) started in HYP mode.
> [ 0.123902] CPU: Virtualization extensions available.
> [ 0.130052] devtmpfs: initialized
> [ 0.135401] device: 'platform': device_add
> [ 0.139664] device: 'cpu': device_add
> [ 0.143419] device: 'container': device_add
> [ 0.148274] VFP support v0.3: implementor 42 architecture 3 part 10 variant 0 rev 0
> [ 0.156107] device: 'workqueue': device_add
> [ 0.160469] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
> [ 0.170396] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
> [ 0.178019] pinctrl core: initialized pinctrl subsystem
> [ 0.183502] device: 'reg-dummy': device_add
> [ 0.187874] device: 'regulator.0': device_add
> [ 0.192941] NET: Registered protocol family 16
> [ 0.198853] DMA: preallocated 256 KiB pool for atomic coherent allocations
> [ 0.206556] device: 'vtcon0': device_add
> [ 0.210923] thermal_sys: Registered thermal governor 'step_wise'
> [ 0.210942] thermal_sys: Registered thermal governor 'user_space'
> [ 0.217182] device: 'thermal_zone0': device_add
> [ 0.228089] device: 'thermal_zone1': device_add
> [ 0.232819] cpuidle: using governor menu
> [ 0.236916] No ATAGs?
> [ 0.239331] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
> [ 0.247505] hw-breakpoint: maximum watchpoint size is 8 bytes.
> [ 0.253693] /rdb/syscon@...2400: Broadcom Brahma-B15 readahead cache
> [ 0.260356] device: 'soc0': device_add
> [ 0.264207] Serial: AMBA PL011 UART driver
> [ 0.268567] device: 'psci': device_add
> [ 0.272585] device: 'timer': device_add
> [ 0.276708] device: 'brcm_scmi_mailbox@0': device_add
> [ 0.281972] device: 'brcm_scmi@0': device_add
> [ 0.286506] device: 'platform:brcm_scmi_mailbox@...platform:brcm_scmi@0': device_add
> [ 0.294403] devices_kset: Moving brcm_scmi@0 to end of list
> [ 0.300086] platform brcm_scmi@0: Linked as a consumer to brcm_scmi_mailbox@0
> [ 0.307400] device: 'rdb': device_add
> [ 0.311163] OF: /rdb/brcmstb-clks/cpu_mdiv_ch0@...1010: could not get #clock-cells for /rdb/brcmstb-clks/cpu_ndiv_int@...1018
> [ 0.324194] device: 'platform:brcm_scmi@...platform:rdb': device_add
> [ 0.330675] platform rdb: Linked as a sync state only consumer to brcm_scmi@0
> [ 0.338229] device: '840c000.serial': device_add
> [ 0.342957] device: 'platform:brcm_scmi@...platform:840c000.serial': device_add
> [ 0.350440] devices_kset: Moving 840c000.serial to end of list
> [ 0.356358] platform 840c000.serial: Linked as a consumer to brcm_scmi@0
> [ 0.363315] device: '840d000.serial': device_add
> [ 0.368047] device: 'platform:brcm_scmi@...platform:840d000.serial': device_add
> [ 0.375512] devices_kset: Moving 840d000.serial to end of list
> [ 0.381446] platform 840d000.serial: Linked as a consumer to brcm_scmi@0
> [ 0.388373] device: '840e000.serial': device_add
> [ 0.393116] device: 'platform:brcm_scmi@...platform:840e000.serial': device_add
> [ 0.400573] devices_kset: Moving 840e000.serial to end of list
> [ 0.406506] platform 840e000.serial: Linked as a consumer to brcm_scmi@0
> [ 0.413451] device: '8b2c800.rescal': device_add
> [ 0.418349] device: '8d0f200.usb-phy': device_add
> [ 0.423175] device: 'platform:brcm_scmi@...platform:8d0f200.usb-phy': device_add
> [ 0.430729] devices_kset: Moving 8d0f200.usb-phy to end of list
> [ 0.436794] platform 8d0f200.usb-phy: Linked as a consumer to brcm_scmi@0
> [ 0.443804] device: '8d00000.xhci_v2': device_add
> [ 0.448650] device: 'platform:brcm_scmi@...platform:8d00000.xhci_v2': device_add
> [ 0.456190] devices_kset: Moving 8d00000.xhci_v2 to end of list
> [ 0.462212] platform 8d00000.xhci_v2: Linked as a consumer to brcm_scmi@0
> [ 0.469118] device: 'platform:8d0f200.usb-phy--platform:8d00000.xhci_v2': device_add
> [ 0.477025] devices_kset: Moving 8d00000.xhci_v2 to end of list
> [ 0.483053] platform 8d00000.xhci_v2: Linked as a consumer to 8d0f200.usb-phy
> [ 0.490510] device: '8f00000.ethernet': device_add
> [ 0.495435] device: 'platform:brcm_scmi@...platform:8f00000.ethernet': device_add
> [ 0.503067] devices_kset: Moving 8f00000.ethernet to end of list
> [ 0.509174] platform 8f00000.ethernet: Linked as a consumer to brcm_scmi@0
> [ 0.516310] device: '840a500.gpio': device_add
> [ 0.520962] device: '841a400.gpio': device_add
> [ 0.525641] device: '8b0a000.sata': device_add
> [ 0.530223] device: 'platform:brcm_scmi@...platform:8b0a000.sata': device_add
> [ 0.537529] devices_kset: Moving 8b0a000.sata to end of list
> [ 0.543275] platform 8b0a000.sata: Linked as a consumer to brcm_scmi@0
> [ 0.549992] device: '8b08100.sata_phy': device_add
> [ 0.554899] device: 'platform:8b08100.sata_phy--platform:8b0a000.sata': device_add
> [ 0.562609] platform 8b0a000.sata: Linked as a sync state only consumer to 8b08100.sata_phy
> [ 0.571259] device: '84b0000.sdhci': device_add
> [ 0.575894] device: 'platform:brcm_scmi@...platform:84b0000.sdhci': device_add
> [ 0.583294] devices_kset: Moving 84b0000.sdhci to end of list
> [ 0.589133] platform 84b0000.sdhci: Linked as a consumer to brcm_scmi@0
> [ 0.596079] device: '83fc000.gisb-arb': device_add
> [ 0.601132] device: '841a840.waketimer': device_add
> [ 0.606194] device: 'a581500.thermal': device_add
> [ 0.611102] device: '8410000.aon-ctrl': device_add
> [ 0.616025] device: 'rdb:memory_controllers': device_add
> [ 0.621502] device: 'rdb:memory_controllers:memc@0': device_add
> [ 0.627652] device: '9900000.memc-gen': device_add
> [ 0.632658] device: '9903000.memc-arb': device_add
> [ 0.637649] device: '9920000.ddr-phy': device_add
> [ 0.642559] device: '9908000.shimphy': device_add
> [ 0.647470] device: '9902000.memc-ddr': device_add
> [ 0.652578] device: '84b3400.spi': device_add
> [ 0.657422] device: '84b2120.qspi': device_add
> [ 0.662032] device: 'platform:brcm_scmi@...platform:84b2120.qspi': device_add
> [ 0.669346] devices_kset: Moving 84b2120.qspi to end of list
> [ 0.675099] platform 84b2120.qspi: Linked as a consumer to brcm_scmi@0
> [ 0.681851] device: '8404000.syscon': device_add
> [ 0.686640] device: '8404534.syscon': device_add
> [ 0.691437] device: '8404100.syscon': device_add
> [ 0.696226] device: '8404124.syscon': device_add
> [ 0.700992] device: '8410700.syscon': device_add
> [ 0.705773] device: '841070c.syscon': device_add
> [ 0.710565] device: '9903004.syscon': device_add
> [ 0.715348] device: '8404084.syscon': device_add
> [ 0.720141] device: '84040a4.syscon': device_add
> [ 0.724924] device: '84b0344.syscon': device_add
> [ 0.729715] device: '84b1344.syscon': device_add
> [ 0.734500] device: '84b1500.syscon': device_add
> [ 0.739283] device: '84b037c.syscon': device_add
> [ 0.744090] device: '84b137c.syscon': device_add
> [ 0.748875] device: '84040ac.syscon': device_add
> [ 0.753711] device: '840a628.watchdog': device_add
> [ 0.758676] device: '83b0000.bsp': device_add
> [ 0.763261] device: '8418000.mspi': device_add
> [ 0.767901] device: '8408000.pwm': device_add
> [ 0.772519] device: '9700000.gpu': device_add
> [ 0.777022] device: 'rdb:gpu-mmu@...5000': device_add
> [ 0.782254] device: '9910000.syscon': device_add
> [ 0.787033] device: '9909000.syscon': device_add
> [ 0.791869] device: '9932000.dpfe-cpu': device_add
> [ 0.796819] device: '8402000.rng': device_add
> [ 0.801358] device: '8404318.reset-controller': device_add
> [ 0.807013] device: '84a2400.syscon': device_add
> [ 0.811815] device: '8452000.syscon': device_add
> [ 0.816581] device: 'reboot': device_add
> [ 0.820800] device: 'pmu': device_add
> [ 0.824740] device: '8b20000.pcie': device_add
> [ 0.829402] device: 'platform:brcm_scmi@...platform:8b20000.pcie': device_add
> [ 0.836711] devices_kset: Moving 8b20000.pcie to end of list
> [ 0.842472] platform 8b20000.pcie: Linked as a consumer to brcm_scmi@0
> [ 0.849151] device: 'smpboot': device_add
> [ 0.853324] device: '100000.sram': device_add
> [ 0.857885] device: 'cpu0': device_add
> [ 0.861770] device: 'cpu1': device_add
> [ 0.865667] device: 'cpu2': device_add
> [ 0.869530] device: 'cpu3': device_add
> [ 0.883847] device: 'writeback': device_add
> [ 0.889865] SCSI subsystem initialized
> [ 0.893864] libata version 3.00 loaded.
> [ 0.897999] usbcore: registered new interface driver usbfs
> [ 0.903747] usbcore: registered new interface driver hub
> [ 0.909224] usbcore: registered new device driver usb
> [ 0.914426] mc: Linux media interface: v0.10
> [ 0.918809] videodev: Linux video capture interface: v2.00
> [ 0.924438] pps_core: LinuxPPS API ver. 1 registered
> [ 0.929498] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@...ux.it>
> [ 0.938794] PTP clock support registered
> [ 0.942998] platform brcm_scmi@0: probe deferral - supplier brcm_scmi_mailbox@0 not ready
> [ 0.951637] Advanced Linux Sound Architecture Driver Initialized.
> [ 0.957934] device: 'lo': device_add
> [ 0.961904] device: 'rfkill': device_add
> [ 0.966762] clocksource: Switched to clocksource arch_sys_counter
> [ 1.003627] device: 'mem': device_add
> [ 1.007505] device: 'null': device_add
> [ 1.011388] device: 'port': device_add
> [ 1.015245] device: 'zero': device_add
> [ 1.019096] device: 'full': device_add
> [ 1.022942] device: 'random': device_add
> [ 1.026950] device: 'urandom': device_add
> [ 1.031079] device: 'kmsg': device_add
> [ 1.035020] device: 'tty': device_add
> [ 1.038831] device: 'console': device_add
> [ 1.042974] device: 'tty0': device_add
> [ 1.046862] device: 'vcs': device_add
> [ 1.050700] device: 'vcsu': device_add
> [ 1.054551] device: 'vcsa': device_add
> [ 1.058402] device: 'vcs1': device_add
> [ 1.062280] device: 'vcsu1': device_add
> [ 1.066224] device: 'vcsa1': device_add
> [ 1.070199] device: 'tty1': device_add
> [ 1.074081] device: 'tty2': device_add
> [ 1.077945] device: 'tty3': device_add
> [ 1.081798] device: 'tty4': device_add
> [ 1.085686] device: 'tty5': device_add
> [ 1.089517] device: 'tty6': device_add
> [ 1.093411] device: 'tty7': device_add
> [ 1.097295] device: 'tty8': device_add
> [ 1.101167] device: 'tty9': device_add
> [ 1.105025] device: 'tty10': device_add
> [ 1.109001] device: 'tty11': device_add
> [ 1.112966] device: 'tty12': device_add
> [ 1.116899] device: 'tty13': device_add
> [ 1.120850] device: 'tty14': device_add
> [ 1.124795] device: 'tty15': device_add
> [ 1.128739] device: 'tty16': device_add
> [ 1.132684] device: 'tty17': device_add
> [ 1.136623] device: 'tty18': device_add
> [ 1.140617] device: 'tty19': device_add
> [ 1.144553] device: 'tty20': device_add
> [ 1.148485] device: 'tty21': device_add
> [ 1.152405] device: 'tty22': device_add
> [ 1.156351] device: 'tty23': device_add
> [ 1.160287] device: 'tty24': device_add
> [ 1.164224] device: 'tty25': device_add
> [ 1.168171] device: 'tty26': device_add
> [ 1.172123] device: 'tty27': device_add
> [ 1.176078] device: 'tty28': device_add
> [ 1.180033] device: 'tty29': device_add
> [ 1.183996] device: 'tty30': device_add
> [ 1.187955] device: 'tty31': device_add
> [ 1.191913] device: 'tty32': device_add
> [ 1.195867] device: 'tty33': device_add
> [ 1.199802] device: 'tty34': device_add
> [ 1.203742] device: 'tty35': device_add
> [ 1.207702] device: 'tty36': device_add
> [ 1.211651] device: 'tty37': device_add
> [ 1.215628] device: 'tty38': device_add
> [ 1.219599] device: 'tty39': device_add
> [ 1.223560] device: 'tty40': device_add
> [ 1.227530] device: 'tty41': device_add
> [ 1.231491] device: 'tty42': device_add
> [ 1.235429] device: 'tty43': device_add
> [ 1.239398] device: 'tty44': device_add
> [ 1.243334] device: 'tty45': device_add
> [ 1.247261] device: 'tty46': device_add
> [ 1.251269] device: 'tty47': device_add
> [ 1.255217] device: 'tty48': device_add
> [ 1.259169] device: 'tty49': device_add
> [ 1.263136] device: 'tty50': device_add
> [ 1.267075] device: 'tty51': device_add
> [ 1.271072] device: 'tty52': device_add
> [ 1.275026] device: 'tty53': device_add
> [ 1.278965] device: 'tty54': device_add
> [ 1.282958] device: 'tty55': device_add
> [ 1.286905] device: 'tty56': device_add
> [ 1.290840] device: 'tty57': device_add
> [ 1.294797] device: 'tty58': device_add
> [ 1.298736] device: 'tty59': device_add
> [ 1.302709] device: 'tty60': device_add
> [ 1.306673] device: 'tty61': device_add
> [ 1.310628] device: 'tty62': device_add
> [ 1.314609] device: 'tty63': device_add
> [ 1.318700] NET: Registered protocol family 2
> [ 1.323375] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes, linear)
> [ 1.331890] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)
> [ 1.339829] TCP bind hash table entries: 8192 (order: 4, 65536 bytes, linear)
> [ 1.347106] TCP: Hash tables configured (established 8192 bind 8192)
> [ 1.353670] UDP hash table entries: 512 (order: 2, 16384 bytes, linear)
> [ 1.360436] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear)
> [ 1.367702] NET: Registered protocol family 1
> [ 1.375093] RPC: Registered named UNIX socket transport module.
> [ 1.381137] RPC: Registered udp transport module.
> [ 1.385948] RPC: Registered tcp transport module.
> [ 1.390729] RPC: Registered tcp NFSv4.1 backchannel transport module.
> [ 1.397603] device: 'regulatory.0': device_add
> [ 1.402302] PCI: CLS 0 bytes, default 64
> [ 3.410785] device: 'clocksource': device_add
> [ 3.415283] device: 'clocksource0': device_add
> [ 3.420011] device: 'clockevents': device_add
> [ 3.424466] device: 'clockevent0': device_add
> [ 3.428918] device: 'clockevent1': device_add
> [ 3.433358] device: 'clockevent2': device_add
> [ 3.437820] device: 'clockevent3': device_add
> [ 3.442277] device: 'broadcast': device_add
> [ 3.446657] device: 'software': device_add
> [ 3.450861] device: 'tracepoint': device_add
> [ 3.455213] device: 'uprobe': device_add
> [ 3.459228] device: 'breakpoint': device_add
> [ 3.463589] Initialise system trusted keyrings
> [ 3.468304] workingset: timestamp_bits=30 max_order=20 bucket_order=0
> [ 3.477332] squashfs: version 4.0 (2009/01/31) Phillip Lougher
> [ 3.483696] NFS: Registering the id_resolver key type
> [ 3.488880] Key type id_resolver registered
> [ 3.493160] Key type id_legacy registered
> [ 3.497284] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
> [ 3.504137] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
> [ 3.511656] jffs2: version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
> [ 3.518014] fuse: init (API version 7.33)
> [ 3.522124] device: 'fuse': device_add
> [ 3.526097] device: 'cuse': device_add
> [ 3.530132] Key type asymmetric registered
> [ 3.534299] Asymmetric key parser 'x509' registered
> [ 3.539303] bounce: pool size: 64 pages
> [ 3.543245] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)
> [ 3.550780] io scheduler mq-deadline registered
> [ 3.555372] io scheduler kyber registered
> [ 3.559815] brcm-gisb-arb 83fc000.gisb-arb: registered irqs: 53, 54
> [ 3.566619] device: 'phy-8b08100.sata_phy.0': device_add
> [ 3.572114] brcm-sata-phy 8b08100.sata_phy: registered 1 port(s)
> [ 3.578762] device: 'gpiochip0': device_add
> [ 3.583122] device: 'gpiochip0': device_add
> [ 3.587461] device: 'gpiochip1': device_add
> [ 3.591811] device: 'gpiochip32': device_add
> [ 3.596239] device: 'wakeup0': device_add
> [ 3.600547] device: 'gpiochip2': device_add
> [ 3.604914] device: 'gpiochip64': device_add
> [ 3.609343] device: 'gpiochip3': device_add
> [ 3.613662] device: 'gpiochip96': device_add
> [ 3.618077] device: 'wakeup1': device_add
> [ 3.622741] platform 8b20000.pcie: probe deferral - supplier brcm_scmi@0 not ready
> [ 3.631146] brcmstb-pm: error mapping DDR PHY
> [ 3.635609] brcmstb-pm: probe of 8410000.aon-ctrl failed with error -22
> [ 3.642854] device: 'ptyp0': device_add
> [ 3.646907] device: 'ptyp1': device_add
> [ 3.650874] device: 'ptyp2': device_add
> [ 3.654826] device: 'ptyp3': device_add
> [ 3.658785] device: 'ptyp4': device_add
> [ 3.662719] device: 'ptyp5': device_add
> [ 3.666673] device: 'ptyp6': device_add
> [ 3.670626] device: 'ptyp7': device_add
> [ 3.674571] device: 'ptyp8': device_add
> [ 3.678508] device: 'ptyp9': device_add
> [ 3.682469] device: 'ptypa': device_add
> [ 3.686417] device: 'ptypb': device_add
> [ 3.690368] device: 'ptypc': device_add
> [ 3.694310] device: 'ptypd': device_add
> [ 3.698243] device: 'ptype': device_add
> [ 3.702181] device: 'ptypf': device_add
> [ 3.706121] device: 'ptyq0': device_add
> [ 3.710059] device: 'ptyq1': device_add
> [ 3.714037] device: 'ptyq2': device_add
> [ 3.717993] device: 'ptyq3': device_add
> [ 3.721935] device: 'ptyq4': device_add
> [ 3.725896] device: 'ptyq5': device_add
> [ 3.729849] device: 'ptyq6': device_add
> [ 3.733799] device: 'ptyq7': device_add
> [ 3.737773] device: 'ptyq8': device_add
> [ 3.741709] device: 'ptyq9': device_add
> [ 3.745700] device: 'ptyqa': device_add
> [ 3.749652] device: 'ptyqb': device_add
> [ 3.753596] device: 'ptyqc': device_add
> [ 3.757547] device: 'ptyqd': device_add
> [ 3.761493] device: 'ptyqe': device_add
> [ 3.765428] device: 'ptyqf': device_add
> [ 3.769388] device: 'ptyr0': device_add
> [ 3.773339] device: 'ptyr1': device_add
> [ 3.777295] device: 'ptyr2': device_add
> [ 3.781233] device: 'ptyr3': device_add
> [ 3.785182] device: 'ptyr4': device_add
> [ 3.789136] device: 'ptyr5': device_add
> [ 3.793066] device: 'ptyr6': device_add
> [ 3.796995] device: 'ptyr7': device_add
> [ 3.800928] device: 'ptyr8': device_add
> [ 3.804864] device: 'ptyr9': device_add
> [ 3.808812] device: 'ptyra': device_add
> [ 3.812777] device: 'ptyrb': device_add
> [ 3.816722] device: 'ptyrc': device_add
> [ 3.820706] device: 'ptyrd': device_add
> [ 3.824652] device: 'ptyre': device_add
> [ 3.828611] device: 'ptyrf': device_add
> [ 3.832535] device: 'ptys0': device_add
> [ 3.836481] device: 'ptys1': device_add
> [ 3.840415] device: 'ptys2': device_add
> [ 3.844333] device: 'ptys3': device_add
> [ 3.848259] device: 'ptys4': device_add
> [ 3.852204] device: 'ptys5': device_add
> [ 3.856163] device: 'ptys6': device_add
> [ 3.860135] device: 'ptys7': device_add
> [ 3.864072] device: 'ptys8': device_add
> [ 3.868010] device: 'ptys9': device_add
> [ 3.871952] device: 'ptysa': device_add
> [ 3.875902] device: 'ptysb': device_add
> [ 3.879847] device: 'ptysc': device_add
> [ 3.883786] device: 'ptysd': device_add
> [ 3.887694] device: 'ptyse': device_add
> [ 3.891662] device: 'ptysf': device_add
> [ 3.895597] device: 'ptyt0': device_add
> [ 3.899535] device: 'ptyt1': device_add
> [ 3.903460] device: 'ptyt2': device_add
> [ 3.907400] device: 'ptyt3': device_add
> [ 3.911346] device: 'ptyt4': device_add
> [ 3.915279] device: 'ptyt5': device_add
> [ 3.919234] device: 'ptyt6': device_add
> [ 3.923180] device: 'ptyt7': device_add
> [ 3.927147] device: 'ptyt8': device_add
> [ 3.931082] device: 'ptyt9': device_add
> [ 3.935026] device: 'ptyta': device_add
> [ 3.938995] device: 'ptytb': device_add
> [ 3.942943] device: 'ptytc': device_add
> [ 3.946901] device: 'ptytd': device_add
> [ 3.950845] device: 'ptyte': device_add
> [ 3.954804] device: 'ptytf': device_add
> [ 3.958735] device: 'ptyu0': device_add
> [ 3.962688] device: 'ptyu1': device_add
> [ 3.966649] device: 'ptyu2': device_add
> [ 3.970599] device: 'ptyu3': device_add
> [ 3.974555] device: 'ptyu4': device_add
> [ 3.978499] device: 'ptyu5': device_add
> [ 3.982443] device: 'ptyu6': device_add
> [ 3.986400] device: 'ptyu7': device_add
> [ 3.990349] device: 'ptyu8': device_add
> [ 3.994303] device: 'ptyu9': device_add
> [ 3.998233] device: 'ptyua': device_add
> [ 4.002192] device: 'ptyub': device_add
> [ 4.006142] device: 'ptyuc': device_add
> [ 4.010090] device: 'ptyud': device_add
> [ 4.014015] device: 'ptyue': device_add
> [ 4.017962] device: 'ptyuf': device_add
> [ 4.021906] device: 'ptyv0': device_add
> [ 4.025858] device: 'ptyv1': device_add
> [ 4.029803] device: 'ptyv2': device_add
> [ 4.033787] device: 'ptyv3': device_add
> [ 4.037727] device: 'ptyv4': device_add
> [ 4.041662] device: 'ptyv5': device_add
> [ 4.045613] device: 'ptyv6': device_add
> [ 4.049571] device: 'ptyv7': device_add
> [ 4.053526] device: 'ptyv8': device_add
> [ 4.057476] device: 'ptyv9': device_add
> [ 4.061442] device: 'ptyva': device_add
> [ 4.065389] device: 'ptyvb': device_add
> [ 4.069355] device: 'ptyvc': device_add
> [ 4.073298] device: 'ptyvd': device_add
> [ 4.077242] device: 'ptyve': device_add
> [ 4.081191] device: 'ptyvf': device_add
> [ 4.085119] device: 'ptyw0': device_add
> [ 4.089070] device: 'ptyw1': device_add
> [ 4.092998] device: 'ptyw2': device_add
> [ 4.096949] device: 'ptyw3': device_add
> [ 4.100895] device: 'ptyw4': device_add
> [ 4.104839] device: 'ptyw5': device_add
> [ 4.108796] device: 'ptyw6': device_add
> [ 4.112733] device: 'ptyw7': device_add
> [ 4.116668] device: 'ptyw8': device_add
> [ 4.120628] device: 'ptyw9': device_add
> [ 4.124595] device: 'ptywa': device_add
> [ 4.128545] device: 'ptywb': device_add
> [ 4.132509] device: 'ptywc': device_add
> [ 4.136443] device: 'ptywd': device_add
> [ 4.140389] device: 'ptywe': device_add
> [ 4.144339] device: 'ptywf': device_add
> [ 4.148275] device: 'ptyx0': device_add
> [ 4.152190] device: 'ptyx1': device_add
> [ 4.156137] device: 'ptyx2': device_add
> [ 4.160067] device: 'ptyx3': device_add
> [ 4.164021] device: 'ptyx4': device_add
> [ 4.167974] device: 'ptyx5': device_add
> [ 4.171922] device: 'ptyx6': device_add
> [ 4.175872] device: 'ptyx7': device_add
> [ 4.179799] device: 'ptyx8': device_add
> [ 4.183734] device: 'ptyx9': device_add
> [ 4.187689] device: 'ptyxa': device_add
> [ 4.191647] device: 'ptyxb': device_add
> [ 4.195571] device: 'ptyxc': device_add
> [ 4.199544] device: 'ptyxd': device_add
> [ 4.203478] device: 'ptyxe': device_add
> [ 4.207429] device: 'ptyxf': device_add
> [ 4.211355] device: 'ptyy0': device_add
> [ 4.215318] device: 'ptyy1': device_add
> [ 4.219271] device: 'ptyy2': device_add
> [ 4.223214] device: 'ptyy3': device_add
> [ 4.227177] device: 'ptyy4': device_add
> [ 4.231143] device: 'ptyy5': device_add
> [ 4.235095] device: 'ptyy6': device_add
> [ 4.239049] device: 'ptyy7': device_add
> [ 4.243018] device: 'ptyy8': device_add
> [ 4.246968] device: 'ptyy9': device_add
> [ 4.250913] device: 'ptyya': device_add
> [ 4.254854] device: 'ptyyb': device_add
> [ 4.258815] device: 'ptyyc': device_add
> [ 4.262759] device: 'ptyyd': device_add
> [ 4.266696] device: 'ptyye': device_add
> [ 4.270640] device: 'ptyyf': device_add
> [ 4.274590] device: 'ptyz0': device_add
> [ 4.278527] device: 'ptyz1': device_add
> [ 4.282472] device: 'ptyz2': device_add
> [ 4.286447] device: 'ptyz3': device_add
> [ 4.290379] device: 'ptyz4': device_add
> [ 4.294315] device: 'ptyz5': device_add
> [ 4.298265] device: 'ptyz6': device_add
> [ 4.302194] device: 'ptyz7': device_add
> [ 4.306141] device: 'ptyz8': device_add
> [ 4.310113] device: 'ptyz9': device_add
> [ 4.314041] device: 'ptyza': device_add
> [ 4.317993] device: 'ptyzb': device_add
> [ 4.321939] device: 'ptyzc': device_add
> [ 4.325898] device: 'ptyzd': device_add
> [ 4.329876] device: 'ptyze': device_add
> [ 4.333819] device: 'ptyzf': device_add
> [ 4.337762] device: 'ptya0': device_add
> [ 4.341721] device: 'ptya1': device_add
> [ 4.345655] device: 'ptya2': device_add
> [ 4.349605] device: 'ptya3': device_add
> [ 4.353555] device: 'ptya4': device_add
> [ 4.357509] device: 'ptya5': device_add
> [ 4.361472] device: 'ptya6': device_add
> [ 4.365404] device: 'ptya7': device_add
> [ 4.369337] device: 'ptya8': device_add
> [ 4.373275] device: 'ptya9': device_add
> [ 4.377237] device: 'ptyaa': device_add
> [ 4.381172] device: 'ptyab': device_add
> [ 4.385136] device: 'ptyac': device_add
> [ 4.389063] device: 'ptyad': device_add
> [ 4.392997] device: 'ptyae': device_add
> [ 4.396939] device: 'ptyaf': device_add
> [ 4.400900] device: 'ptyb0': device_add
> [ 4.404833] device: 'ptyb1': device_add
> [ 4.408792] device: 'ptyb2': device_add
> [ 4.412751] device: 'ptyb3': device_add
> [ 4.416712] device: 'ptyb4': device_add
> [ 4.420639] device: 'ptyb5': device_add
> [ 4.424581] device: 'ptyb6': device_add
> [ 4.428561] device: 'ptyb7': device_add
> [ 4.432524] device: 'ptyb8': device_add
> [ 4.436465] device: 'ptyb9': device_add
> [ 4.440417] device: 'ptyba': device_add
> [ 4.444356] device: 'ptybb': device_add
> [ 4.448308] device: 'ptybc': device_add
> [ 4.452234] device: 'ptybd': device_add
> [ 4.456159] device: 'ptybe': device_add
> [ 4.460108] device: 'ptybf': device_add
> [ 4.464038] device: 'ptyc0': device_add
> [ 4.467973] device: 'ptyc1': device_add
> [ 4.471930] device: 'ptyc2': device_add
> [ 4.475885] device: 'ptyc3': device_add
> [ 4.479820] device: 'ptyc4': device_add
> [ 4.483784] device: 'ptyc5': device_add
> [ 4.487731] device: 'ptyc6': device_add
> [ 4.491673] device: 'ptyc7': device_add
> [ 4.495627] device: 'ptyc8': device_add
> [ 4.499583] device: 'ptyc9': device_add
> [ 4.503533] device: 'ptyca': device_add
> [ 4.507485] device: 'ptycb': device_add
> [ 4.511412] device: 'ptycc': device_add
> [ 4.515382] device: 'ptycd': device_add
> [ 4.519324] device: 'ptyce': device_add
> [ 4.523252] device: 'ptycf': device_add
> [ 4.527191] device: 'ptyd0': device_add
> [ 4.531126] device: 'ptyd1': device_add
> [ 4.535065] device: 'ptyd2': device_add
> [ 4.539031] device: 'ptyd3': device_add
> [ 4.542987] device: 'ptyd4': device_add
> [ 4.546944] device: 'ptyd5': device_add
> [ 4.550892] device: 'ptyd6': device_add
> [ 4.554849] device: 'ptyd7': device_add
> [ 4.558809] device: 'ptyd8': device_add
> [ 4.562757] device: 'ptyd9': device_add
> [ 4.566709] device: 'ptyda': device_add
> [ 4.570643] device: 'ptydb': device_add
> [ 4.574568] device: 'ptydc': device_add
> [ 4.578508] device: 'ptydd': device_add
> [ 4.582458] device: 'ptyde': device_add
> [ 4.586394] device: 'ptydf': device_add
> [ 4.590345] device: 'ptye0': device_add
> [ 4.594279] device: 'ptye1': device_add
> [ 4.598208] device: 'ptye2': device_add
> [ 4.602142] device: 'ptye3': device_add
> [ 4.606085] device: 'ptye4': device_add
> [ 4.610027] device: 'ptye5': device_add
> [ 4.613964] device: 'ptye6': device_add
> [ 4.617920] device: 'ptye7': device_add
> [ 4.621871] device: 'ptye8': device_add
> [ 4.625811] device: 'ptye9': device_add
> [ 4.629767] device: 'ptyea': device_add
> [ 4.633728] device: 'ptyeb': device_add
> [ 4.637667] device: 'ptyec': device_add
> [ 4.641619] device: 'ptyed': device_add
> [ 4.645572] device: 'ptyee': device_add
> [ 4.649509] device: 'ptyef': device_add
> [ 4.653449] device: 'ttyp0': device_add
> [ 4.657388] device: 'ttyp1': device_add
> [ 4.661322] device: 'ttyp2': device_add
> [ 4.665253] device: 'ttyp3': device_add
> [ 4.669218] device: 'ttyp4': device_add
> [ 4.673170] device: 'ttyp5': device_add
> [ 4.677115] device: 'ttyp6': device_add
> [ 4.681082] device: 'ttyp7': device_add
> [ 4.685022] device: 'ttyp8': device_add
> [ 4.688976] device: 'ttyp9': device_add
> [ 4.692915] device: 'ttypa': device_add
> [ 4.696850] device: 'ttypb': device_add
> [ 4.700809] device: 'ttypc': device_add
> [ 4.704771] device: 'ttypd': device_add
> [ 4.708714] device: 'ttype': device_add
> [ 4.712662] device: 'ttypf': device_add
> [ 4.716633] device: 'ttyq0': device_add
> [ 4.720567] device: 'ttyq1': device_add
> [ 4.724504] device: 'ttyq2': device_add
> [ 4.728451] device: 'ttyq3': device_add
> [ 4.732403] device: 'ttyq4': device_add
> [ 4.736348] device: 'ttyq5': device_add
> [ 4.740291] device: 'ttyq6': device_add
> [ 4.744259] device: 'ttyq7': device_add
> [ 4.748204] device: 'ttyq8': device_add
> [ 4.752141] device: 'ttyq9': device_add
> [ 4.756094] device: 'ttyqa': device_add
> [ 4.760045] device: 'ttyqb': device_add
> [ 4.763989] device: 'ttyqc': device_add
> [ 4.767932] device: 'ttyqd': device_add
> [ 4.771874] device: 'ttyqe': device_add
> [ 4.775824] device: 'ttyqf': device_add
> [ 4.779770] device: 'ttyr0': device_add
> [ 4.783722] device: 'ttyr1': device_add
> [ 4.787674] device: 'ttyr2': device_add
> [ 4.791651] device: 'ttyr3': device_add
> [ 4.795606] device: 'ttyr4': device_add
> [ 4.799552] device: 'ttyr5': device_add
> [ 4.803504] device: 'ttyr6': device_add
> [ 4.807457] device: 'ttyr7': device_add
> [ 4.811412] device: 'ttyr8': device_add
> [ 4.815360] device: 'ttyr9': device_add
> [ 4.819290] device: 'ttyra': device_add
> [ 4.823231] device: 'ttyrb': device_add
> [ 4.827173] device: 'ttyrc': device_add
> [ 4.831106] device: 'ttyrd': device_add
> [ 4.835046] device: 'ttyre': device_add
> [ 4.838974] device: 'ttyrf': device_add
> [ 4.842916] device: 'ttys0': device_add
> [ 4.846852] device: 'ttys1': device_add
> [ 4.850792] device: 'ttys2': device_add
> [ 4.854756] device: 'ttys3': device_add
> [ 4.858717] device: 'ttys4': device_add
> [ 4.862670] device: 'ttys5': device_add
> [ 4.866612] device: 'ttys6': device_add
> [ 4.870587] device: 'ttys7': device_add
> [ 4.874522] device: 'ttys8': device_add
> [ 4.878458] device: 'ttys9': device_add
> [ 4.882426] device: 'ttysa': device_add
> [ 4.886369] device: 'ttysb': device_add
> [ 4.890338] device: 'ttysc': device_add
> [ 4.894289] device: 'ttysd': device_add
> [ 4.898238] device: 'ttyse': device_add
> [ 4.902193] device: 'ttysf': device_add
> [ 4.906135] device: 'ttyt0': device_add
> [ 4.910072] device: 'ttyt1': device_add
> [ 4.914011] device: 'ttyt2': device_add
> [ 4.917947] device: 'ttyt3': device_add
> [ 4.921891] device: 'ttyt4': device_add
> [ 4.925857] device: 'ttyt5': device_add
> [ 4.929803] device: 'ttyt6': device_add
> [ 4.933781] device: 'ttyt7': device_add
> [ 4.937720] device: 'ttyt8': device_add
> [ 4.941664] device: 'ttyt9': device_add
> [ 4.945633] device: 'ttyta': device_add
> [ 4.949584] device: 'ttytb': device_add
> [ 4.953542] device: 'ttytc': device_add
> [ 4.957491] device: 'ttytd': device_add
> [ 4.961416] device: 'ttyte': device_add
> [ 4.965351] device: 'ttytf': device_add
> [ 4.969278] device: 'ttyu0': device_add
> [ 4.973211] device: 'ttyu1': device_add
> [ 4.977183] device: 'ttyu2': device_add
> [ 4.981147] device: 'ttyu3': device_add
> [ 4.985083] device: 'ttyu4': device_add
> [ 4.989069] device: 'ttyu5': device_add
> [ 4.993004] device: 'ttyu6': device_add
> [ 4.996947] device: 'ttyu7': device_add
> [ 5.000915] device: 'ttyu8': device_add
> [ 5.004864] device: 'ttyu9': device_add
> [ 5.008809] device: 'ttyua': device_add
> [ 5.012787] device: 'ttyub': device_add
> [ 5.016741] device: 'ttyuc': device_add
> [ 5.020678] device: 'ttyud': device_add
> [ 5.024620] device: 'ttyue': device_add
> [ 5.028582] device: 'ttyuf': device_add
> [ 5.032538] device: 'ttyv0': device_add
> [ 5.036484] device: 'ttyv1': device_add
> [ 5.040424] device: 'ttyv2': device_add
> [ 5.044378] device: 'ttyv3': device_add
> [ 5.048338] device: 'ttyv4': device_add
> [ 5.052285] device: 'ttyv5': device_add
> [ 5.056236] device: 'ttyv6': device_add
> [ 5.060177] device: 'ttyv7': device_add
> [ 5.064125] device: 'ttyv8': device_add
> [ 5.068097] device: 'ttyv9': device_add
> [ 5.072028] device: 'ttyva': device_add
> [ 5.075978] device: 'ttyvb': device_add
> [ 5.079944] device: 'ttyvc': device_add
> [ 5.083881] device: 'ttyvd': device_add
> [ 5.087833] device: 'ttyve': device_add
> [ 5.091776] device: 'ttyvf': device_add
> [ 5.095722] device: 'ttyw0': device_add
> [ 5.099672] device: 'ttyw1': device_add
> [ 5.103618] device: 'ttyw2': device_add
> [ 5.107568] device: 'ttyw3': device_add
> [ 5.111495] device: 'ttyw4': device_add
> [ 5.115441] device: 'ttyw5': device_add
> [ 5.119380] device: 'ttyw6': device_add
> [ 5.123368] device: 'ttyw7': device_add
> [ 5.127314] device: 'ttyw8': device_add
> [ 5.131258] device: 'ttyw9': device_add
> [ 5.135208] device: 'ttywa': device_add
> [ 5.139177] device: 'ttywb': device_add
> [ 5.143159] device: 'ttywc': device_add
> [ 5.147113] device: 'ttywd': device_add
> [ 5.151059] device: 'ttywe': device_add
> [ 5.155032] device: 'ttywf': device_add
> [ 5.158957] device: 'ttyx0': device_add
> [ 5.162901] device: 'ttyx1': device_add
> [ 5.166870] device: 'ttyx2': device_add
> [ 5.170811] device: 'ttyx3': device_add
> [ 5.174752] device: 'ttyx4': device_add
> [ 5.178712] device: 'ttyx5': device_add
> [ 5.182646] device: 'ttyx6': device_add
> [ 5.186615] device: 'ttyx7': device_add
> [ 5.190556] device: 'ttyx8': device_add
> [ 5.194491] device: 'ttyx9': device_add
> [ 5.198418] device: 'ttyxa': device_add
> [ 5.202377] device: 'ttyxb': device_add
> [ 5.206303] device: 'ttyxc': device_add
> [ 5.210258] device: 'ttyxd': device_add
> [ 5.214210] device: 'ttyxe': device_add
> [ 5.218154] device: 'ttyxf': device_add
> [ 5.222094] device: 'ttyy0': device_add
> [ 5.226041] device: 'ttyy1': device_add
> [ 5.229985] device: 'ttyy2': device_add
> [ 5.233920] device: 'ttyy3': device_add
> [ 5.237883] device: 'ttyy4': device_add
> [ 5.241820] device: 'ttyy5': device_add
> [ 5.245767] device: 'ttyy6': device_add
> [ 5.249703] device: 'ttyy7': device_add
> [ 5.253672] device: 'ttyy8': device_add
> [ 5.257606] device: 'ttyy9': device_add
> [ 5.261556] device: 'ttyya': device_add
> [ 5.265496] device: 'ttyyb': device_add
> [ 5.269421] device: 'ttyyc': device_add
> [ 5.273357] device: 'ttyyd': device_add
> [ 5.277313] device: 'ttyye': device_add
> [ 5.281273] device: 'ttyyf': device_add
> [ 5.285209] device: 'ttyz0': device_add
> [ 5.289177] device: 'ttyz1': device_add
> [ 5.293118] device: 'ttyz2': device_add
> [ 5.297071] device: 'ttyz3': device_add
> [ 5.301035] device: 'ttyz4': device_add
> [ 5.304968] device: 'ttyz5': device_add
> [ 5.308938] device: 'ttyz6': device_add
> [ 5.312877] device: 'ttyz7': device_add
> [ 5.316807] device: 'ttyz8': device_add
> [ 5.320767] device: 'ttyz9': device_add
> [ 5.324715] device: 'ttyza': device_add
> [ 5.328648] device: 'ttyzb': device_add
> [ 5.332593] device: 'ttyzc': device_add
> [ 5.336559] device: 'ttyzd': device_add
> [ 5.340508] device: 'ttyze': device_add
> [ 5.344460] device: 'ttyzf': device_add
> [ 5.348397] device: 'ttya0': device_add
> [ 5.352361] device: 'ttya1': device_add
> [ 5.356289] device: 'ttya2': device_add
> [ 5.360226] device: 'ttya3': device_add
> [ 5.364181] device: 'ttya4': device_add
> [ 5.368122] device: 'ttya5': device_add
> [ 5.372055] device: 'ttya6': device_add
> [ 5.375994] device: 'ttya7': device_add
> [ 5.379934] device: 'ttya8': device_add
> [ 5.383862] device: 'ttya9': device_add
> [ 5.387825] device: 'ttyaa': device_add
> [ 5.391770] device: 'ttyab': device_add
> [ 5.395691] device: 'ttyac': device_add
> [ 5.399624] device: 'ttyad': device_add
> [ 5.403557] device: 'ttyae': device_add
> [ 5.407528] device: 'ttyaf': device_add
> [ 5.411479] device: 'ttyb0': device_add
> [ 5.415433] device: 'ttyb1': device_add
> [ 5.419376] device: 'ttyb2': device_add
> [ 5.423338] device: 'ttyb3': device_add
> [ 5.427272] device: 'ttyb4': device_add
> [ 5.431235] device: 'ttyb5': device_add
> [ 5.435164] device: 'ttyb6': device_add
> [ 5.439112] device: 'ttyb7': device_add
> [ 5.443070] device: 'ttyb8': device_add
> [ 5.447003] device: 'ttyb9': device_add
> [ 5.450958] device: 'ttyba': device_add
> [ 5.454917] device: 'ttybb': device_add
> [ 5.458849] device: 'ttybc': device_add
> [ 5.462812] device: 'ttybd': device_add
> [ 5.466797] device: 'ttybe': device_add
> [ 5.470772] device: 'ttybf': device_add
> [ 5.474736] device: 'ttyc0': device_add
> [ 5.478669] device: 'ttyc1': device_add
> [ 5.482610] device: 'ttyc2': device_add
> [ 5.486582] device: 'ttyc3': device_add
> [ 5.490544] device: 'ttyc4': device_add
> [ 5.494531] device: 'ttyc5': device_add
> [ 5.498478] device: 'ttyc6': device_add
> [ 5.502414] device: 'ttyc7': device_add
> [ 5.506395] device: 'ttyc8': device_add
> [ 5.510353] device: 'ttyc9': device_add
> [ 5.514276] device: 'ttyca': device_add
> [ 5.518243] device: 'ttycb': device_add
> [ 5.522186] device: 'ttycc': device_add
> [ 5.526144] device: 'ttycd': device_add
> [ 5.530090] device: 'ttyce': device_add
> [ 5.534039] device: 'ttycf': device_add
> [ 5.537997] device: 'ttyd0': device_add
> [ 5.541938] device: 'ttyd1': device_add
> [ 5.545884] device: 'ttyd2': device_add
> [ 5.549840] device: 'ttyd3': device_add
> [ 5.553800] device: 'ttyd4': device_add
> [ 5.557743] device: 'ttyd5': device_add
> [ 5.561712] device: 'ttyd6': device_add
> [ 5.565660] device: 'ttyd7': device_add
> [ 5.569604] device: 'ttyd8': device_add
> [ 5.573600] device: 'ttyd9': device_add
> [ 5.577562] device: 'ttyda': device_add
> [ 5.581547] device: 'ttydb': device_add
> [ 5.585505] device: 'ttydc': device_add
> [ 5.589465] device: 'ttydd': device_add
> [ 5.593419] device: 'ttyde': device_add
> [ 5.597372] device: 'ttydf': device_add
> [ 5.601311] device: 'ttye0': device_add
> [ 5.605279] device: 'ttye1': device_add
> [ 5.609259] device: 'ttye2': device_add
> [ 5.613199] device: 'ttye3': device_add
> [ 5.617211] device: 'ttye4': device_add
> [ 5.621153] device: 'ttye5': device_add
> [ 5.625099] device: 'ttye6': device_add
> [ 5.629045] device: 'ttye7': device_add
> [ 5.632989] device: 'ttye8': device_add
> [ 5.636939] device: 'ttye9': device_add
> [ 5.640894] device: 'ttyea': device_add
> [ 5.644851] device: 'ttyeb': device_add
> [ 5.648779] device: 'ttyec': device_add
> [ 5.652724] device: 'ttyed': device_add
> [ 5.656657] device: 'ttyee': device_add
> [ 5.660609] device: 'ttyef': device_add
> [ 5.664553] device: 'ptmx': device_add
> [ 5.668457] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
> [ 5.674981] device: 'serial8250': device_add
> [ 5.679377] device: 'ttyS0': device_add
> [ 5.683422] device: 'ttyS1': device_add
> [ 5.687396] device: 'ttyS2': device_add
> [ 5.691400] device: 'ttyS3': device_add
> [ 5.695929] platform 840c000.serial: probe deferral - supplier brcm_scmi@0 not ready
> [ 5.703851] platform 840d000.serial: probe deferral - supplier brcm_scmi@0 not ready
> [ 5.711737] platform 840e000.serial: probe deferral - supplier brcm_scmi@0 not ready
> [ 5.719789] platform 840c000.serial: probe deferral - supplier brcm_scmi@0 not ready
> [ 5.727676] platform 840d000.serial: probe deferral - supplier brcm_scmi@0 not ready
> [ 5.735536] platform 840e000.serial: probe deferral - supplier brcm_scmi@0 not ready
> [ 5.743685] device: 'hw_random': device_add
> [ 5.748211] iproc-rng200 8402000.rng: hwrng registered
> [ 5.753969] device: '1:0': device_add
> [ 5.757799] device: 'ram0': device_add
> [ 5.761939] device: '1:1': device_add
> [ 5.765724] device: 'ram1': device_add
> [ 5.769767] device: '1:2': device_add
> [ 5.773566] device: 'ram2': device_add
> [ 5.777569] device: '1:3': device_add
> [ 5.781334] device: 'ram3': device_add
> [ 5.785340] device: '1:4': device_add
> [ 5.789099] device: 'ram4': device_add
> [ 5.793117] device: '1:5': device_add
> [ 5.796893] device: 'ram5': device_add
> [ 5.800888] device: '1:6': device_add
> [ 5.804674] device: 'ram6': device_add
> [ 5.808693] device: '1:7': device_add
> [ 5.812474] device: 'ram7': device_add
> [ 5.816504] device: '1:8': device_add
> [ 5.820256] device: 'ram8': device_add
> [ 5.824259] device: '1:9': device_add
> [ 5.828039] device: 'ram9': device_add
> [ 5.832072] device: '1:10': device_add
> [ 5.835929] device: 'ram10': device_add
> [ 5.840031] device: '1:11': device_add
> [ 5.843929] device: 'ram11': device_add
> [ 5.848033] device: '1:12': device_add
> [ 5.851908] device: 'ram12': device_add
> [ 5.856015] device: '1:13': device_add
> [ 5.859889] device: 'ram13': device_add
> [ 5.863998] device: '1:14': device_add
> [ 5.867855] device: 'ram14': device_add
> [ 5.871974] device: '1:15': device_add
> [ 5.875841] device: 'ram15': device_add
> [ 5.879976] brd: module loaded
> [ 5.883101] device: 'loop-control': device_add
> [ 5.887960] device: '7:0': device_add
> [ 5.891760] device: 'loop0': device_add
> [ 5.896215] device: '7:1': device_add
> [ 5.900005] device: 'loop1': device_add
> [ 5.904458] device: '7:2': device_add
> [ 5.908227] device: 'loop2': device_add
> [ 5.912686] device: '7:3': device_add
> [ 5.916467] device: 'loop3': device_add
> [ 5.920970] device: '7:4': device_add
> [ 5.924767] device: 'loop4': device_add
> [ 5.929216] device: '7:5': device_add
> [ 5.933017] device: 'loop5': device_add
> [ 5.937483] device: '7:6': device_add
> [ 5.941271] device: 'loop6': device_add
> [ 5.945724] device: '7:7': device_add
> [ 5.949513] device: 'loop7': device_add
> [ 5.953718] loop: module loaded
> [ 5.957414] platform 8b0a000.sata: probe deferral - supplier brcm_scmi@0 not ready
> [ 5.965310] device: 'mtd-0': device_add
> [ 5.970044] platform 84b2120.qspi: probe deferral - supplier brcm_scmi@0 not ready
> [ 5.977854] brcmstb_qspi 8418000.mspi: using mspi mode
> [ 5.983168] device: 'spi0': device_add
> [ 5.988043] device: 'Fixed MDIO bus.0': device_add
> [ 5.993124] device: 'fixed-0': device_add
> [ 5.997362] libphy: Fixed MDIO Bus: probed
> [ 6.002042] platform 8f00000.ethernet: probe deferral - supplier brcm_scmi@0 not ready
> [ 6.010377] e1000e: Intel(R) PRO/1000 Network Driver
> [ 6.015435] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
> [ 6.021476] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver
> [ 6.029039] usbcore: registered new interface driver pegasus
> [ 6.034804] usbcore: registered new interface driver r8152
> [ 6.040405] usbcore: registered new interface driver asix
> [ 6.045918] usbcore: registered new interface driver ax88179_178a
> [ 6.052155] usbcore: registered new interface driver cdc_ether
> [ 6.058146] usbcore: registered new interface driver cdc_ncm
> [ 6.063989] device: 'usbmon0': device_add
> [ 6.068148] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> [ 6.074791] ehci-pci: EHCI PCI platform driver
> [ 6.079354] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
> [ 6.085630] ohci-pci: OHCI PCI platform driver
> [ 6.090220] usbcore: registered new interface driver cdc_acm
> [ 6.095991] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
> [ 6.104131] usbcore: registered new interface driver usb-storage
> [ 6.110544] device: 'uinput': device_add
> [ 6.114617] i2c /dev entries driver
> [ 6.118853] brcmstb_thermal a581500.thermal: registered AVS TMON of-sensor driver
> [ 6.126867] device: 'watchdog': device_add
> [ 6.131143] device: 'watchdog0': device_add
> [ 6.135483] bcm7038-wdt 840a628.watchdog: Registered BCM7038 Watchdog
> [ 6.142519] sdhci: Secure Digital Host Controller Interface driver
> [ 6.148844] sdhci: Copyright(c) Pierre Ossman
> [ 6.153291] sdhci-pltfm: SDHCI platform and OF driver helper
> [ 6.159169] platform 84b0000.sdhci: probe deferral - supplier brcm_scmi@0 not ready
> [ 6.159415] hid: raw HID events driver (C) Jiri Kosina
> [ 6.172246] device: 'uhid': device_add
> [ 6.176268] usbcore: registered new interface driver usbhid
> [ 6.181993] usbhid: USB HID core driver
> [ 6.599764] brcmstb-dpfe 9932000.dpfe-cpu: registered with API v3.
> [ 6.606251] device: 'timer': device_add
> [ 6.610336] device: 'snd-soc-dummy': device_add
> [ 6.615681] NET: Registered protocol family 10
> [ 6.620674] Segment Routing with IPv6
> [ 6.624441] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
> [ 6.630479] device: 'sit0': device_add
> [ 6.634623] NET: Registered protocol family 17
> [ 6.639197] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you ne
> ed this.
> [ 6.652522] 8021q: 802.1Q VLAN Support v1.8
> [ 6.656809] Key type dns_resolver registered
> [ 6.661246] Registering SWP/SWPB emulation handler
> [ 6.666163] device: 'cpu_dma_latency': device_add
> [ 6.671063] Loading compiled-in X.509 certificates
> [ 6.678526] devices_kset: Moving brcm_scmi@0 to end of list
> [ 6.684262] devices_kset: Moving 840c000.serial to end of list
> [ 6.690186] devices_kset: Moving 840d000.serial to end of list
> [ 6.696153] devices_kset: Moving 840e000.serial to end of list
> [ 6.702102] devices_kset: Moving 8d0f200.usb-phy to end of list
> [ 6.708111] devices_kset: Moving 8d00000.xhci_v2 to end of list
> [ 6.714129] devices_kset: Moving 8d00000.xhci_v2 to end of list
> [ 6.720155] devices_kset: Moving 8f00000.ethernet to end of list
> [ 6.726252] devices_kset: Moving 8b0a000.sata to end of list
> [ 6.732018] devices_kset: Moving 84b0000.sdhci to end of list
> [ 6.737888] devices_kset: Moving 84b2120.qspi to end of list
> [ 6.743637] devices_kset: Moving 8b20000.pcie to end of list
> [ 6.749451] platform brcm_scmi@0: probe deferral - supplier brcm_scmi_mailbox@0 not ready
> [ 6.757750] devices_kset: Moving 8b20000.pcie to end of list
> [ 6.763541] platform 8b20000.pcie: probe deferral - supplier brcm_scmi@0 not ready
> [ 6.771258] devices_kset: Moving 840c000.serial to end of list
> [ 6.777231] platform 840c000.serial: probe deferral - supplier brcm_scmi@0 not ready
> [ 6.785157] devices_kset: Moving 840d000.serial to end of list
> [ 6.791114] platform 840d000.serial: probe deferral - supplier brcm_scmi@0 not ready
> [ 6.799016] devices_kset: Moving 840e000.serial to end of list
> [ 6.804973] platform 840e000.serial: probe deferral - supplier brcm_scmi@0 not ready
> [ 6.812846] devices_kset: Moving 8b0a000.sata to end of list
> [ 6.818674] platform 8b0a000.sata: probe deferral - supplier brcm_scmi@0 not ready
> [ 6.826399] devices_kset: Moving 84b2120.qspi to end of list
> [ 6.832209] platform 84b2120.qspi: probe deferral - supplier brcm_scmi@0 not ready
> [ 6.839891] devices_kset: Moving 8f00000.ethernet to end of list
> [ 6.846066] platform 8f00000.ethernet: probe deferral - supplier brcm_scmi@0 not ready
> [ 6.854131] devices_kset: Moving 84b0000.sdhci to end of list
> [ 6.860167] platform 84b0000.sdhci: probe deferral - supplier brcm_scmi@0 not ready
> [ 6.860776] devices_kset: Moving brcm_scmi@0 to end of list
> [ 6.873679] devices_kset: Moving 840c000.serial to end of list
> [ 6.879584] devices_kset: Moving 840d000.serial to end of list
> [ 6.885551] devices_kset: Moving 840e000.serial to end of list
> [ 6.891491] devices_kset: Moving 8d0f200.usb-phy to end of list
> [ 6.897526] devices_kset: Moving 8d00000.xhci_v2 to end of list
> [ 6.903579] devices_kset: Moving 8d00000.xhci_v2 to end of list
> [ 6.909657] devices_kset: Moving 8f00000.ethernet to end of list
> [ 6.915797] devices_kset: Moving 8b0a000.sata to end of list
> [ 6.921580] devices_kset: Moving 84b0000.sdhci to end of list
> [ 6.927461] devices_kset: Moving 84b2120.qspi to end of list
> [ 6.933236] devices_kset: Moving 8b20000.pcie to end of list
> [ 6.939028] platform brcm_scmi@0: probe deferral - supplier brcm_scmi_mailbox@0 not ready
> [ 6.947346] devices_kset: Moving 8b20000.pcie to end of list
> [ 6.953117] platform 8b20000.pcie: probe deferral - supplier brcm_scmi@0 not ready
> [ 6.960869] devices_kset: Moving 840c000.serial to end of list
> [ 6.966877] platform 840c000.serial: probe deferral - supplier brcm_scmi@0 not ready
> [ 6.974751] devices_kset: Moving 840d000.serial to end of list
> [ 6.980754] platform 840d000.serial: probe deferral - supplier brcm_scmi@0 not ready
> [ 6.988645] devices_kset: Moving 840e000.serial to end of list
> [ 6.994627] platform 840e000.serial: probe deferral - supplier brcm_scmi@0 not ready
> [ 7.002535] devices_kset: Moving 8b0a000.sata to end of list
> [ 7.008306] platform 8b0a000.sata: probe deferral - supplier brcm_scmi@0 not ready
> [ 7.016040] devices_kset: Moving 84b2120.qspi to end of list
> [ 7.021854] platform 84b2120.qspi: probe deferral - supplier brcm_scmi@0 not ready
> [ 7.029536] devices_kset: Moving 8f00000.ethernet to end of list
> [ 7.035698] platform 8f00000.ethernet: probe deferral - supplier brcm_scmi@0 not ready
> [ 7.043728] devices_kset: Moving 84b0000.sdhci to end of list
> [ 7.049741] device: 'ubi_ctrl': device_add
> [ 7.049773] platform 84b0000.sdhci: probe deferral - supplier brcm_scmi@0 not ready
> [ 7.054352] cfg80211: Loading compiled-in X.509 certificates for regulatory database
> [ 7.076406] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
> [ 7.083122] ALSA device list:
> [ 7.086142] No soundcards found.
> [ 7.089708] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
> [ 7.098506] cfg80211: failed to load regulatory.db
> [ 7.115369] Freeing unused kernel memory: 14336K
> [ 7.129918] Run /init as init process
> [ 7.133673] with arguments:
> [ 7.136688] /init
> [ 7.139004] with environment:
> [ 7.142204] HOME=/
> [ 7.144622] TERM=linux
> [ 7.147370] dyndbg=file drivers/base/core.c +p
> [ 7.256086] random: crng init done
>
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