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Message-ID: <670bc1695b7bd45c19af1e5bb39fe896@walle.cc>
Date: Mon, 25 May 2020 21:04:58 +0200
From: Michael Walle <michael@...le.cc>
To: Saravana Kannan <saravanak@...gle.com>
Cc: stable <stable@...r.kernel.org>,
Android Kernel Team <kernel-team@...roid.com>,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] driver core: Fix SYNC_STATE_ONLY device link
implementation
Am 2020-05-25 20:39, schrieb Saravana Kannan:
> On Mon, May 25, 2020 at 4:31 AM Michael Walle <michael@...le.cc> wrote:
>>
>> Am 2020-05-23 00:47, schrieb Michael Walle:
>> > Am 2020-05-23 00:21, schrieb Saravana Kannan:
>> >> On Fri, May 22, 2020 at 11:41 AM Michael Walle <michael@...le.cc>
>> >> wrote:
>> >>>
>> >>> Am Mon, 18 May 2020 23:30:00 -0700
>> >>> schrieb Saravana Kannan <saravanak@...gle.com>:
>> >>>
>> >>> > When SYNC_STATE_ONLY support was added in commit 05ef983e0d65 ("driver
>> >>> > core: Add device link support for SYNC_STATE_ONLY flag"),
>> >>> > device_link_add() incorrectly skipped adding the new SYNC_STATE_ONLY
>> >>> > device link to the supplier's and consumer's "device link" list.
>> >>> >
>> >>> > This causes multiple issues:
>> >>> > - The device link is lost forever from driver core if the caller
>> >>> > didn't keep track of it (caller typically isn't expected to). This
>> >>> > is a memory leak.
>> >>> > - The device link is also never visible to any other code path after
>> >>> > device_link_add() returns.
>> >>> >
>> >>> > If we fix the "device link" list handling, that exposes a bunch of
>> >>> > issues.
>> >>> >
>> >>> > 1. The device link "status" state management code rightfully doesn't
>> >>> > handle the case where a DL_FLAG_MANAGED device link exists between a
>> >>> > supplier and consumer, but the consumer manages to probe successfully
>> >>> > before the supplier. The addition of DL_FLAG_SYNC_STATE_ONLY links
>> >>> > break this assumption. This causes device_links_driver_bound() to
>> >>> > throw a warning when this happens.
>> >>> >
>> >>> > Since DL_FLAG_SYNC_STATE_ONLY device links are mainly used for
>> >>> > creating proxy device links for child device dependencies and aren't
>> >>> > useful once the consumer device probes successfully, this patch just
>> >>> > deletes DL_FLAG_SYNC_STATE_ONLY device links once its consumer device
>> >>> > probes. This way, we avoid the warning, free up some memory and avoid
>> >>> > complicating the device links "status" state management code.
>> >>> >
>> >>> > 2. Creating a DL_FLAG_STATELESS device link between two devices that
>> >>> > already have a DL_FLAG_SYNC_STATE_ONLY device link will result in the
>> >>> > DL_FLAG_STATELESS flag not getting set correctly. This patch also
>> >>> > fixes this.
>> >>> >
>> >>> > Lastly, this patch also fixes minor whitespace issues.
>> >>>
>> >>> My board triggers the
>> >>> WARN_ON(link->status != DL_STATE_CONSUMER_PROBE);
>> >>>
>> >>> Full bootlog:
>> > [..]
>> >
>> >> Thanks for the log and report. I haven't spent too much time thinking
>> >> about this, but can you give this a shot?
>> >> https://lore.kernel.org/lkml/20200520043626.181820-1-saravanak@google.com/
>> >
>> > I've already tried that, as this is already in linux-next. Doesn't fix
>> > it,
>> > though.
>>
>> btw. this only happens on linux-next (tested with next-20200522), not
>> on
>> 5.7-rc7 (which has the same two patches of yours)
>
> I wouldn't be surprised if the difference is due to
> fw_devlink_pause/resume() calls in driver/of/property.c. It chops off
> ~1s in boot time by changing the order in which device links are
> created from DT. So, I think it's just masking the issue.
>
> On linux-next where you see the issue, can you get the logs with this
> change:
> +++ b/drivers/base/core.c
> @@ -907,7 +907,10 @@ void device_links_driver_bound(struct device *dev)
> */
> device_link_drop_managed(link);
> } else {
> - WARN_ON(link->status !=
> DL_STATE_CONSUMER_PROBE);
> + WARN(link->status != DL_STATE_CONSUMER_PROBE,
> + "sup:%s - con:%s f:%d s:%d\n",
> + dev_name(supplier),
> dev_name(link->consumer),
> + link->flags, link->status);
> WRITE_ONCE(link->status, DL_STATE_ACTIVE);
> }
>
> My goal is to figure out the order in which the device links between
> the supplier and consumers devices are created and how that's changing
> the flag and status. Then I can come up with a fix.
Here we go (hopefully, my mail client won't screw up the line wrapping):
[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd083]
[ 0.000000] Linux version
5.7.0-rc7-next-20200525-00039-gfb6df8136807-dirty (mw@...llo)
(aarch64-linux-gnu-gcc (Debian 8.3.0-2) 8.3.0, GNU ld (GNU Binutils for
Debian) 2.31.1) #815 SMP PREEMPT Mon May 25 20:58:11 CEST 2020
[ 0.000000] Machine model: Kontron SMARC-sAL28 (Single PHY) on SMARC
Eval 2.0 carrier
[ 0.000000] efi: UEFI not found.
[ 0.000000] cma: Reserved 32 MiB at 0x00000000f9c00000
[ 0.000000] NUMA: No NUMA configuration found
[ 0.000000] NUMA: Faking a node at [mem
0x0000000080000000-0x00000020ffffffff]
[ 0.000000] NUMA: NODE_DATA [mem 0x20ff7ff100-0x20ff800fff]
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000080000000-0x00000000bfffffff]
[ 0.000000] DMA32 [mem 0x00000000c0000000-0x00000000ffffffff]
[ 0.000000] Normal [mem 0x0000000100000000-0x00000020ffffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000080000000-0x00000000fbdfffff]
[ 0.000000] node 0: [mem 0x0000002080000000-0x00000020ffffffff]
[ 0.000000] Initmem setup node 0 [mem
0x0000000080000000-0x00000020ffffffff]
[ 0.000000] On node 0 totalpages: 1031680
[ 0.000000] DMA zone: 4096 pages used for memmap
[ 0.000000] DMA zone: 0 pages reserved
[ 0.000000] DMA zone: 262144 pages, LIFO batch:63
[ 0.000000] DMA32 zone: 3832 pages used for memmap
[ 0.000000] DMA32 zone: 245248 pages, LIFO batch:63
[ 0.000000] Normal zone: 8192 pages used for memmap
[ 0.000000] Normal zone: 524288 pages, LIFO batch:63
[ 0.000000] percpu: Embedded 30 pages/cpu s82904 r8192 d31784 u122880
[ 0.000000] pcpu-alloc: s82904 r8192 d31784 u122880 alloc=30*4096
[ 0.000000] pcpu-alloc: [0] 0 [0] 1
[ 0.000000] Detected PIPT I-cache on CPU0
[ 0.000000] CPU features: detected: GIC system register CPU interface
[ 0.000000] CPU features: detected: EL2 vector hardening
[ 0.000000] ARM_SMCCC_ARCH_WORKAROUND_1 missing from firmware
[ 0.000000] CPU features: detected: ARM errata 1165522, 1319367, or
1530923
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages:
1015560
[ 0.000000] Policy zone: Normal
[ 0.000000] Kernel command line: debug root=/dev/mmcblk1p2 rootwait
[ 0.000000] Dentry cache hash table entries: 524288 (order: 10,
4194304 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 262144 (order: 9, 2097152
bytes, linear)
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] software IO TLB: mapped [mem 0xbbfff000-0xbffff000]
(64MB)
[ 0.000000] Memory: 3929700K/4126720K available (9596K kernel code,
1116K rwdata, 3576K rodata, 3328K init, 400K bss, 164252K reserved,
32768K cma-reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2,
Nodes=1
[ 0.000000] ftrace: allocating 32709 entries in 128 pages
[ 0.000000] ftrace: allocated 128 pages with 1 groups
[ 0.000000] rcu: Preemptible hierarchical RCU implementation.
[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=256 to
nr_cpu_ids=2.
[ 0.000000] Trampoline variant of Tasks RCU enabled.
[ 0.000000] Rude variant of Tasks RCU enabled.
[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay
is 25 jiffies.
[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16,
nr_cpu_ids=2
[ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[ 0.000000] GICv3: GIC: Using split EOI/Deactivate mode
[ 0.000000] GICv3: 256 SPIs implemented
[ 0.000000] GICv3: 0 Extended SPIs implemented
[ 0.000000] GICv3: Distributor has no Range Selector support
[ 0.000000] GICv3: 16 PPIs implemented
[ 0.000000] GICv3: CPU0: found redistributor 0 region
0:0x0000000006040000
[ 0.000000] ITS [mem 0x06020000-0x0603ffff]
[ 0.000000] ITS@...000000006020000: allocated 65536 Devices
@20fad80000 (flat, esz 8, psz 64K, shr 0)
[ 0.000000] ITS: using cache flushing for cmd queue
[ 0.000000] GICv3: using LPI property table @0x00000020fad30000
[ 0.000000] GIC: using cache flushing for LPI property table
[ 0.000000] GICv3: CPU0: using allocated LPI pending table
@0x00000020fad40000
[ 0.000000] random: get_random_bytes called from
start_kernel+0x604/0x7cc with crng_init=0
[ 0.000000] arch_timer: cp15 timer(s) running at 25.00MHz (phys).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff
max_cycles: 0x5c40939b5, max_idle_ns: 440795202646 ns
[ 0.000002] sched_clock: 56 bits at 25MHz, resolution 40ns, wraps
every 4398046511100ns
[ 0.000109] Console: colour dummy device 80x25
[ 0.000394] printk: console [tty0] enabled
[ 0.000442] Calibrating delay loop (skipped), value calculated using
timer frequency.. 50.00 BogoMIPS (lpj=100000)
[ 0.000455] pid_max: default: 32768 minimum: 301
[ 0.000503] LSM: Security Framework initializing
[ 0.000556] Mount-cache hash table entries: 8192 (order: 4, 65536
bytes, linear)
[ 0.000587] Mountpoint-cache hash table entries: 8192 (order: 4,
65536 bytes, linear)
[ 0.001429] rcu: Hierarchical SRCU implementation.
[ 0.001576] Platform MSI: gic-its@...0000 domain created
[ 0.001649] PCI/MSI: /interrupt-controller@...0000/gic-its@...0000
domain created
[ 0.001853] EFI services will not be available.
[ 0.001951] smp: Bringing up secondary CPUs ...
[ 0.002233] Detected PIPT I-cache on CPU1
[ 0.002254] GICv3: CPU1: found redistributor 1 region
0:0x0000000006060000
[ 0.002261] GICv3: CPU1: using allocated LPI pending table
@0x00000020fad50000
[ 0.002282] CPU1: Booted secondary processor 0x0000000001
[0x410fd083]
[ 0.002333] smp: Brought up 1 node, 2 CPUs
[ 0.002360] SMP: Total of 2 processors activated.
[ 0.002367] CPU features: detected: 32-bit EL0 Support
[ 0.002374] CPU features: detected: CRC32 instructions
[ 0.010409] CPU: All CPU(s) started at EL2
[ 0.010429] alternatives: patching kernel code
[ 0.011032] devtmpfs: initialized
[ 0.012924] KASLR disabled due to lack of seed
[ 0.013080] clocksource: jiffies: mask: 0xffffffff max_cycles:
0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.013097] futex hash table entries: 512 (order: 3, 32768 bytes,
linear)
[ 0.013866] thermal_sys: Registered thermal governor 'step_wise'
[ 0.013992] DMI not present or invalid.
[ 0.014177] NET: Registered protocol family 16
[ 0.015070] DMA: preallocated 4096 KiB GFP_KERNEL pool for atomic
allocations
[ 0.015781] DMA: preallocated 4096 KiB GFP_KERNEL|GFP_DMA pool for
atomic allocations
[ 0.016510] DMA: preallocated 4096 KiB GFP_KERNEL|GFP_DMA32 pool for
atomic allocations
[ 0.016545] audit: initializing netlink subsys (disabled)
[ 0.016668] audit: type=2000 audit(0.016:1): state=initialized
audit_enabled=0 res=1
[ 0.016968] cpuidle: using governor menu
[ 0.017039] hw-breakpoint: found 6 breakpoint and 4 watchpoint
registers.
[ 0.017069] ASID allocator initialised with 65536 entries
[ 0.017337] Serial: AMBA PL011 UART driver
[ 0.023506] Machine: Kontron SMARC-sAL28 (Single PHY) on SMARC Eval
2.0 carrier
[ 0.023520] SoC family: QorIQ LS1028A
[ 0.023526] SoC ID: svr:0x870b0110, Revision: 1.0
[ 0.026552] HugeTLB registered 1.00 GiB page size, pre-allocated 0
pages
[ 0.026567] HugeTLB registered 32.0 MiB page size, pre-allocated 0
pages
[ 0.026576] HugeTLB registered 2.00 MiB page size, pre-allocated 0
pages
[ 0.026583] HugeTLB registered 64.0 KiB page size, pre-allocated 0
pages
[ 0.027645] cryptd: max_cpu_qlen set to 1000
[ 0.029118] iommu: Default domain type: Translated
[ 0.029186] vgaarb: loaded
[ 0.029328] SCSI subsystem initialized
[ 0.029417] usbcore: registered new interface driver usbfs
[ 0.029442] usbcore: registered new interface driver hub
[ 0.029474] usbcore: registered new device driver usb
[ 0.029610] imx-i2c 2000000.i2c: can't get pinctrl, bus recovery not
supported
[ 0.029788] i2c i2c-0: IMX I2C adapter registered
[ 0.029861] imx-i2c 2030000.i2c: can't get pinctrl, bus recovery not
supported
[ 0.029932] i2c i2c-1: IMX I2C adapter registered
[ 0.030004] imx-i2c 2040000.i2c: can't get pinctrl, bus recovery not
supported
[ 0.030101] i2c i2c-2: IMX I2C adapter registered
[ 0.030179] pps_core: LinuxPPS API ver. 1 registered
[ 0.030186] pps_core: Software ver. 5.3.6 - Copyright 2005-2007
Rodolfo Giometti <giometti@...ux.it>
[ 0.030199] PTP clock support registered
[ 0.030427] Advanced Linux Sound Architecture Driver Initialized.
[ 0.030779] clocksource: Switched to clocksource arch_sys_counter
[ 0.067056] VFS: Disk quotas dquot_6.6.0
[ 0.067099] VFS: Dquot-cache hash table entries: 512 (order 0, 4096
bytes)
[ 0.069799] NET: Registered protocol family 2
[ 0.070030] tcp_listen_portaddr_hash hash table entries: 2048 (order:
3, 32768 bytes, linear)
[ 0.070055] TCP established hash table entries: 32768 (order: 6,
262144 bytes, linear)
[ 0.070147] TCP bind hash table entries: 32768 (order: 7, 524288
bytes, linear)
[ 0.070444] TCP: Hash tables configured (established 32768 bind
32768)
[ 0.070542] UDP hash table entries: 2048 (order: 4, 65536 bytes,
linear)
[ 0.070569] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes,
linear)
[ 0.070654] NET: Registered protocol family 1
[ 0.070674] PCI: CLS 0 bytes, default 64
[ 0.071038] hw perfevents: enabled with armv8_cortex_a72 PMU driver,
7 counters available
[ 0.071494] Initialise system trusted keyrings
[ 0.071617] workingset: timestamp_bits=44 max_order=20 bucket_order=0
[ 0.105039] Key type asymmetric registered
[ 0.105053] Asymmetric key parser 'x509' registered
[ 0.105080] Block layer SCSI generic (bsg) driver version 0.4 loaded
(major 248)
[ 0.105090] io scheduler mq-deadline registered
[ 0.105097] io scheduler kyber registered
[ 0.105625] pci-host-generic 1f0000000.pcie: host bridge
/soc/pcie@...000000 ranges:
[ 0.105654] pci-host-generic 1f0000000.pcie: MEM
0x01f8000000..0x01f815ffff -> 0x0000000000
[ 0.105675] pci-host-generic 1f0000000.pcie: MEM
0x01f8160000..0x01f81cffff -> 0x0000000000
[ 0.105694] pci-host-generic 1f0000000.pcie: MEM
0x01f81d0000..0x01f81effff -> 0x0000000000
[ 0.105713] pci-host-generic 1f0000000.pcie: MEM
0x01f81f0000..0x01f820ffff -> 0x0000000000
[ 0.105731] pci-host-generic 1f0000000.pcie: MEM
0x01f8210000..0x01f822ffff -> 0x0000000000
[ 0.105749] pci-host-generic 1f0000000.pcie: MEM
0x01f8230000..0x01f824ffff -> 0x0000000000
[ 0.105763] pci-host-generic 1f0000000.pcie: MEM
0x01fc000000..0x01fc3fffff -> 0x0000000000
[ 0.105816] pci-host-generic 1f0000000.pcie: ECAM at [mem
0x1f0000000-0x1f00fffff] for [bus 00]
[ 0.105871] pci-host-generic 1f0000000.pcie: PCI host bridge to bus
0000:00
[ 0.105880] pci_bus 0000:00: root bus resource [bus 00]
[ 0.105889] pci_bus 0000:00: root bus resource [mem
0x1f8000000-0x1f815ffff] (bus address [0x00000000-0x0015ffff])
[ 0.105901] pci_bus 0000:00: root bus resource [mem
0x1f8160000-0x1f81cffff pref] (bus address [0x00000000-0x0006ffff])
[ 0.105912] pci_bus 0000:00: root bus resource [mem
0x1f81d0000-0x1f81effff] (bus address [0x00000000-0x0001ffff])
[ 0.105923] pci_bus 0000:00: root bus resource [mem
0x1f81f0000-0x1f820ffff pref] (bus address [0x00000000-0x0001ffff])
[ 0.105934] pci_bus 0000:00: root bus resource [mem
0x1f8210000-0x1f822ffff] (bus address [0x00000000-0x0001ffff])
[ 0.105944] pci_bus 0000:00: root bus resource [mem
0x1f8230000-0x1f824ffff pref] (bus address [0x00000000-0x0001ffff])
[ 0.105955] pci_bus 0000:00: root bus resource [mem
0x1fc000000-0x1fc3fffff] (bus address [0x00000000-0x003fffff])
[ 0.105977] pci 0000:00:00.0: [1957:e100] type 00 class 0x020001
[ 0.106018] pci 0000:00:00.0: BAR 0: [mem 0x1f8000000-0x1f803ffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.106031] pci 0000:00:00.0: BAR 2: [mem 0x1f8160000-0x1f816ffff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.106044] pci 0000:00:00.0: VF BAR 0: [mem 0x1f81d0000-0x1f81dffff
64bit] (from Enhanced Allocation, properties 0x4)
[ 0.106056] pci 0000:00:00.0: VF BAR 2: [mem 0x1f81f0000-0x1f81fffff
64bit pref] (from Enhanced Allocation, properties 0x3)
[ 0.106080] pci 0000:00:00.0: PME# supported from D0 D3hot
[ 0.106095] pci 0000:00:00.0: VF(n) BAR0 space: [mem
0x1f81d0000-0x1f81effff 64bit] (contains BAR0 for 2 VFs)
[ 0.106106] pci 0000:00:00.0: VF(n) BAR2 space: [mem
0x1f81f0000-0x1f820ffff 64bit pref] (contains BAR2 for 2 VFs)
[ 0.106220] pci 0000:00:00.1: [1957:e100] type 00 class 0x020001
[ 0.106250] pci 0000:00:00.1: BAR 0: [mem 0x1f8040000-0x1f807ffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.106263] pci 0000:00:00.1: BAR 2: [mem 0x1f8170000-0x1f817ffff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.106275] pci 0000:00:00.1: VF BAR 0: [mem 0x1f8210000-0x1f821ffff
64bit] (from Enhanced Allocation, properties 0x4)
[ 0.106287] pci 0000:00:00.1: VF BAR 2: [mem 0x1f8230000-0x1f823ffff
64bit pref] (from Enhanced Allocation, properties 0x3)
[ 0.106309] pci 0000:00:00.1: PME# supported from D0 D3hot
[ 0.106323] pci 0000:00:00.1: VF(n) BAR0 space: [mem
0x1f8210000-0x1f822ffff 64bit] (contains BAR0 for 2 VFs)
[ 0.106334] pci 0000:00:00.1: VF(n) BAR2 space: [mem
0x1f8230000-0x1f824ffff 64bit pref] (contains BAR2 for 2 VFs)
[ 0.106428] pci 0000:00:00.2: [1957:e100] type 00 class 0x020001
[ 0.106458] pci 0000:00:00.2: BAR 0: [mem 0x1f8080000-0x1f80bffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.106470] pci 0000:00:00.2: BAR 2: [mem 0x1f8180000-0x1f818ffff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.106491] pci 0000:00:00.2: PME# supported from D0 D3hot
[ 0.106576] pci 0000:00:00.3: [1957:ee01] type 00 class 0x088001
[ 0.106609] pci 0000:00:00.3: BAR 0: [mem 0x1f8100000-0x1f811ffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.106621] pci 0000:00:00.3: BAR 2: [mem 0x1f8190000-0x1f819ffff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.106642] pci 0000:00:00.3: PME# supported from D0 D3hot
[ 0.106727] pci 0000:00:00.4: [1957:ee02] type 00 class 0x088001
[ 0.106756] pci 0000:00:00.4: BAR 0: [mem 0x1f8120000-0x1f813ffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.106768] pci 0000:00:00.4: BAR 2: [mem 0x1f81a0000-0x1f81affff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.106805] pci 0000:00:00.4: PME# supported from D0 D3hot
[ 0.106891] pci 0000:00:00.5: [1957:eef0] type 00 class 0x020801
[ 0.106921] pci 0000:00:00.5: BAR 0: [mem 0x1f8140000-0x1f815ffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.106933] pci 0000:00:00.5: BAR 2: [mem 0x1f81b0000-0x1f81bffff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.106944] pci 0000:00:00.5: BAR 4: [mem 0x1fc000000-0x1fc3fffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.106965] pci 0000:00:00.5: PME# supported from D0 D3hot
[ 0.107054] pci 0000:00:00.6: [1957:e100] type 00 class 0x020001
[ 0.107083] pci 0000:00:00.6: BAR 0: [mem 0x1f80c0000-0x1f80fffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.107095] pci 0000:00:00.6: BAR 2: [mem 0x1f81c0000-0x1f81cffff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.107116] pci 0000:00:00.6: PME# supported from D0 D3hot
[ 0.107877] pci 0000:00:1f.0: [1957:e001] type 00 class 0x080700
[ 0.107923] OF: /soc/pcie@...000000: no msi-map translation for rid
0xf8 on (null)
[ 0.108232] layerscape-pcie 3400000.pcie: host bridge
/soc/pcie@...0000 ranges:
[ 0.108257] layerscape-pcie 3400000.pcie: IO
0x8000010000..0x800001ffff -> 0x0000000000
[ 0.108274] layerscape-pcie 3400000.pcie: MEM
0x8040000000..0x807fffffff -> 0x0040000000
[ 0.108361] layerscape-pcie 3400000.pcie: PCI host bridge to bus
0001:00
[ 0.108370] pci_bus 0001:00: root bus resource [bus 00-ff]
[ 0.108378] pci_bus 0001:00: root bus resource [io 0x0000-0xffff]
[ 0.108387] pci_bus 0001:00: root bus resource [mem
0x8040000000-0x807fffffff] (bus address [0x40000000-0x7fffffff])
[ 0.108408] pci 0001:00:00.0: [1957:82c1] type 01 class 0x060400
[ 0.108468] pci 0001:00:00.0: supports D1 D2
[ 0.108475] pci 0001:00:00.0: PME# supported from D0 D1 D2 D3hot
[ 0.109903] pci_bus 0001:01: busn_res: [bus 01-ff] end is updated to
01
[ 0.109917] pci 0001:00:00.0: PCI bridge to [bus 01]
[ 0.110006] layerscape-pcie 3500000.pcie: host bridge
/soc/pcie@...0000 ranges:
[ 0.110029] layerscape-pcie 3500000.pcie: IO
0x8800010000..0x880001ffff -> 0x0000000000
[ 0.110045] layerscape-pcie 3500000.pcie: MEM
0x8840000000..0x887fffffff -> 0x0040000000
[ 0.110123] layerscape-pcie 3500000.pcie: PCI host bridge to bus
0002:00
[ 0.110132] pci_bus 0002:00: root bus resource [bus 00-ff]
[ 0.110140] pci_bus 0002:00: root bus resource [io 0x10000-0x1ffff]
(bus address [0x0000-0xffff])
[ 0.110151] pci_bus 0002:00: root bus resource [mem
0x8840000000-0x887fffffff] (bus address [0x40000000-0x7fffffff])
[ 0.110171] pci 0002:00:00.0: [1957:82c1] type 01 class 0x060400
[ 0.110230] pci 0002:00:00.0: supports D1 D2
[ 0.110237] pci 0002:00:00.0: PME# supported from D0 D1 D2 D3hot
[ 0.111677] pci_bus 0002:01: busn_res: [bus 01-ff] end is updated to
01
[ 0.111690] pci 0002:00:00.0: PCI bridge to [bus 01]
[ 0.111962] IPMI message handler: version 39.2
[ 0.111989] ipmi device interface
[ 0.112014] ipmi_si: IPMI System Interface driver
[ 0.112131] ipmi_si: Unable to find any System Interface(s)
[ 0.113571] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 0.114271] 21c0500.serial: ttyS0 at MMIO 0x21c0500 (irq = 16,
base_baud = 12500000) is a 16550A
[ 1.695285] printk: console [ttyS0] enabled
[ 1.699735] 21c0600.serial: ttyS1 at MMIO 0x21c0600 (irq = 16,
base_baud = 12500000) is a 16550A
[ 1.708845] 2270000.serial: ttyLP2 at MMIO 0x2270000 (irq = 17,
base_baud = 12500000) is a FSL_LPUART
[ 1.718915] arm-smmu 5000000.iommu: probing hardware configuration...
[ 1.725399] arm-smmu 5000000.iommu: SMMUv2 with:
[ 1.730041] arm-smmu 5000000.iommu: stage 1 translation
[ 1.735387] arm-smmu 5000000.iommu: stage 2 translation
[ 1.740726] arm-smmu 5000000.iommu: nested translation
[ 1.745977] arm-smmu 5000000.iommu: stream matching with 128
register groups
[ 1.753146] arm-smmu 5000000.iommu: 64 context banks (0 stage-2
only)
[ 1.759709] arm-smmu 5000000.iommu: Supported page sizes: 0x61311000
[ 1.766177] arm-smmu 5000000.iommu: Stage-1: 48-bit VA -> 48-bit IPA
[ 1.772644] arm-smmu 5000000.iommu: Stage-2: 48-bit IPA -> 48-bit PA
[ 1.779620] at24 0-0050: supply vcc not found, using dummy regulator
[ 1.786797] at24 0-0050: 4096 byte 24c32 EEPROM, writable, 32
bytes/write
[ 1.793667] at24 1-0057: supply vcc not found, using dummy regulator
[ 1.800812] at24 1-0057: 8192 byte 24c64 EEPROM, writable, 32
bytes/write
[ 1.807680] at24 2-0050: supply vcc not found, using dummy regulator
[ 1.814812] at24 2-0050: 4096 byte 24c32 EEPROM, writable, 32
bytes/write
[ 1.822379] sl28cpld 0-004a: successfully probed. CPLD version 18
[ 1.829631] gpio_sl28cpld sl28cpld-gpio: registered IRQ 108
[ 1.840850] gpio_sl28cpld sl28cpld-gpio.0: registered IRQ 108
[ 1.852473] irq_sl28cpld sl28cpld-intc: registered IRQ 108
[ 1.858081] mpt3sas version 34.100.00.00 loaded
[ 1.863428] header.nph=2
[ 1.865969] sfdp_size=288
[ 1.868743] spi-nor spi1.0: mx25u3235f (4096 Kbytes)
[ 1.875737] header.nph=0
[ 1.878280] sfdp_size=192
[ 1.880953] spi-nor spi0.0: w25q32dw (4096 Kbytes)
[ 1.887272] 10 fixed-partitions partitions found on MTD device
20c0000.spi
[ 1.894187] Creating 10 MTD partitions on "20c0000.spi":
[ 1.899536] 0x000000000000-0x000000010000 : "rcw"
[ 1.911091] 0x000000010000-0x000000100000 : "failsafe bootloader"
[ 1.927079] 0x000000100000-0x000000140000 : "failsafe DP firmware"
[ 1.935127] 0x000000140000-0x0000001e0000 : "failsafe trusted
firmware"
[ 1.943100] 0x0000001e0000-0x000000200000 : "reserved"
[ 1.951111] 0x000000200000-0x000000210000 : "configuration store"
[ 1.959097] 0x000000210000-0x000000300000 : "bootloader"
[ 1.967111] 0x000000300000-0x000000340000 : "DP firmware"
[ 1.975107] 0x000000340000-0x0000003e0000 : "trusted firmware"
[ 1.983108] 0x0000003e0000-0x000000400000 : "bootloader environment"
[ 1.991731] libphy: Fixed MDIO Bus: probed
[ 1.996040] mscc_felix 0000:00:00.5: Adding to iommu group 0
[ 2.001862] mscc_felix 0000:00:00.5: device is disabled, skipping
[ 2.008040] fsl_enetc 0000:00:00.0: Adding to iommu group 1
[ 2.118796] fsl_enetc 0000:00:00.0: enabling device (0400 -> 0402)
[ 2.125042] fsl_enetc 0000:00:00.0: no MAC address specified for SI1,
using ae:56:33:78:dd:46
[ 2.133609] fsl_enetc 0000:00:00.0: no MAC address specified for SI2,
using 56:54:55:fc:0f:b6
[ 2.142520] libphy: Freescale ENETC MDIO Bus: probed
[ 2.149117] fsl_enetc 0000:00:00.1: Adding to iommu group 2
[ 2.154838] fsl_enetc 0000:00:00.1: device is disabled, skipping
[ 2.160912] fsl_enetc 0000:00:00.2: Adding to iommu group 3
[ 2.166586] fsl_enetc 0000:00:00.2: device is disabled, skipping
[ 2.172656] fsl_enetc 0000:00:00.6: Adding to iommu group 4
[ 2.178326] fsl_enetc 0000:00:00.6: device is disabled, skipping
[ 2.184426] fsl_enetc_mdio 0000:00:00.3: Adding to iommu group 5
[ 2.294790] fsl_enetc_mdio 0000:00:00.3: enabling device (0400 ->
0402)
[ 2.301615] libphy: FSL PCIe IE Central MDIO Bus: probed
[ 2.306989] igb: Intel(R) Gigabit Ethernet Network Driver - version
5.6.0-k
[ 2.313983] igb: Copyright (c) 2007-2014 Intel Corporation.
[ 2.319682] dwc3 3100000.usb: Adding to iommu group 6
[ 2.325036] ------------[ cut here ]------------
[ 2.329678] sup:5000000.iommu - con:3100000.usb f:68 s:1
[ 2.335039] WARNING: CPU: 0 PID: 1 at drivers/base/core.c:915
device_links_driver_bound+0x1ec/0x230
[ 2.344119] Modules linked in:
[ 2.347182] CPU: 0 PID: 1 Comm: swapper/0 Not tainted
5.7.0-rc7-next-20200525-00039-gfb6df8136807-dirty #815
[ 2.357048] Hardware name: Kontron SMARC-sAL28 (Single PHY) on SMARC
Eval 2.0 carrier (DT)
[ 2.365345] pstate: 60000005 (nZCv daif -PAN -UAO BTYPE=--)
[ 2.370935] pc : device_links_driver_bound+0x1ec/0x230
[ 2.376090] lr : device_links_driver_bound+0x1ec/0x230
[ 2.381242] sp : ffff8000111dbb70
[ 2.384564] x29: ffff8000111dbb70 x28: ffff00207a421c10
[ 2.389893] x27: ffff00207a420c90 x26: ffff800010be8130
[ 2.395223] x25: 0000000000000003 x24: ffff00207a420cb0
[ 2.400552] x23: ffff800011039948 x22: ffff8000111dbbd8
[ 2.405880] x21: ffff00207a420c10 x20: ffff8000110d2d80
[ 2.411208] x19: ffff00207a401100 x18: 0000000000000010
[ 2.416536] x17: ffffffffffff3f00 x16: 0000000000007fff
[ 2.421864] x15: ffffffffffffffff x14: 0720072007200720
[ 2.427192] x13: 0720072007200720 x12: 0720072007200720
[ 2.432521] x11: 0720072007200720 x10: 0720072007200720
[ 2.437849] x9 : ffff800010091f64 x8 : 072007380736073a
[ 2.443177] x7 : 000000000000012c x6 : ffff00207ac21f00
[ 2.448505] x5 : 0000000000000000 x4 : 0000000000000000
[ 2.453833] x3 : 00000000ffffffff x2 : ffff80001105b6c8
[ 2.459161] x1 : c4bf1185730d5000 x0 : 0000000000000000
[ 2.464490] Call trace:
[ 2.466941] device_links_driver_bound+0x1ec/0x230
[ 2.471748] driver_bound+0x70/0xc0
[ 2.475246] really_probe+0x110/0x318
[ 2.478917] driver_probe_device+0x40/0x90
[ 2.483025] device_driver_attach+0x7c/0x88
[ 2.487220] __driver_attach+0x60/0xe8
[ 2.490978] bus_for_each_dev+0x7c/0xd0
[ 2.494824] driver_attach+0x2c/0x38
[ 2.498408] bus_add_driver+0x194/0x1f8
[ 2.502254] driver_register+0x6c/0x128
[ 2.506100] __platform_driver_register+0x50/0x60
[ 2.510820] dwc3_driver_init+0x24/0x30
[ 2.514668] do_one_initcall+0x54/0x298
[ 2.518515] kernel_init_freeable+0x1ec/0x268
[ 2.522885] kernel_init+0x1c/0x118
[ 2.526382] ret_from_fork+0x10/0x1c
[ 2.529967] ---[ end trace 1dedfde488772a9f ]---
[ 2.534662] dwc3 3110000.usb: Adding to iommu group 7
[ 2.539966] ------------[ cut here ]------------
[ 2.544606] sup:5000000.iommu - con:3110000.usb f:68 s:1
[ 2.549954] WARNING: CPU: 0 PID: 1 at drivers/base/core.c:915
device_links_driver_bound+0x1ec/0x230
[ 2.559034] Modules linked in:
[ 2.562096] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W
5.7.0-rc7-next-20200525-00039-gfb6df8136807-dirty #815
[ 2.573356] Hardware name: Kontron SMARC-sAL28 (Single PHY) on SMARC
Eval 2.0 carrier (DT)
[ 2.581652] pstate: 60000005 (nZCv daif -PAN -UAO BTYPE=--)
[ 2.587243] pc : device_links_driver_bound+0x1ec/0x230
[ 2.592397] lr : device_links_driver_bound+0x1ec/0x230
[ 2.597550] sp : ffff8000111dbb70
[ 2.600870] x29: ffff8000111dbb70 x28: ffff00207a421c10
[ 2.606199] x27: ffff00207a421090 x26: ffff800010be8130
[ 2.611528] x25: 0000000000000003 x24: ffff00207a4210b0
[ 2.616856] x23: ffff800011039948 x22: ffff8000111dbbd8
[ 2.622184] x21: ffff00207a421010 x20: ffff8000110d2d80
[ 2.627512] x19: ffff00207a401180 x18: 0000000000000010
[ 2.632840] x17: ffffffffffff3f00 x16: 0000000000007fff
[ 2.638168] x15: ffffffffffffffff x14: 0720072007200720
[ 2.643496] x13: 0720072007200720 x12: 0720072007200720
[ 2.648824] x11: 0720072007200720 x10: 0720072007200720
[ 2.654153] x9 : ffff800010091f64 x8 : 072007380736073a
[ 2.659481] x7 : 0000000000000158 x6 : ffff00207ac21f00
[ 2.664809] x5 : 0000000000000000 x4 : 0000000000000000
[ 2.670137] x3 : 00000000ffffffff x2 : ffff80001105b6c8
[ 2.675466] x1 : c4bf1185730d5000 x0 : 0000000000000000
[ 2.680794] Call trace:
[ 2.683244] device_links_driver_bound+0x1ec/0x230
[ 2.688049] driver_bound+0x70/0xc0
[ 2.691545] really_probe+0x110/0x318
[ 2.695217] driver_probe_device+0x40/0x90
[ 2.699324] device_driver_attach+0x7c/0x88
[ 2.703519] __driver_attach+0x60/0xe8
[ 2.707277] bus_for_each_dev+0x7c/0xd0
[ 2.711123] driver_attach+0x2c/0x38
[ 2.714707] bus_add_driver+0x194/0x1f8
[ 2.718553] driver_register+0x6c/0x128
[ 2.722399] __platform_driver_register+0x50/0x60
[ 2.727117] dwc3_driver_init+0x24/0x30
[ 2.730963] do_one_initcall+0x54/0x298
[ 2.734810] kernel_init_freeable+0x1ec/0x268
[ 2.739179] kernel_init+0x1c/0x118
[ 2.742676] ret_from_fork+0x10/0x1c
[ 2.746259] ---[ end trace 1dedfde488772aa0 ]---
[ 2.751063] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI)
Driver
[ 2.757621] ehci-pci: EHCI PCI platform driver
[ 2.762269] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller
[ 2.767791] xhci-hcd xhci-hcd.0.auto: new USB bus registered,
assigned bus number 1
[ 2.775619] xhci-hcd xhci-hcd.0.auto: hcc params 0x0220f66d hci
version 0x100 quirks 0x0000000002010010
[ 2.785077] xhci-hcd xhci-hcd.0.auto: irq 21, io mem 0x03100000
[ 2.791398] hub 1-0:1.0: USB hub found
[ 2.795180] hub 1-0:1.0: 1 port detected
[ 2.799226] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller
[ 2.804742] xhci-hcd xhci-hcd.0.auto: new USB bus registered,
assigned bus number 2
[ 2.812437] xhci-hcd xhci-hcd.0.auto: Host supports USB 3.0
SuperSpeed
[ 2.819034] usb usb2: We don't know the algorithms for LPM for this
host, disabling LPM.
[ 2.827373] hub 2-0:1.0: USB hub found
[ 2.831156] hub 2-0:1.0: 1 port detected
[ 2.835232] xhci-hcd xhci-hcd.1.auto: xHCI Host Controller
[ 2.840754] xhci-hcd xhci-hcd.1.auto: new USB bus registered,
assigned bus number 3
[ 2.848592] xhci-hcd xhci-hcd.1.auto: hcc params 0x0220f66d hci
version 0x100 quirks 0x0000000002010010
[ 2.858072] xhci-hcd xhci-hcd.1.auto: irq 22, io mem 0x03110000
[ 2.864341] hub 3-0:1.0: USB hub found
[ 2.868123] hub 3-0:1.0: 1 port detected
[ 2.872161] xhci-hcd xhci-hcd.1.auto: xHCI Host Controller
[ 2.877676] xhci-hcd xhci-hcd.1.auto: new USB bus registered,
assigned bus number 4
[ 2.885372] xhci-hcd xhci-hcd.1.auto: Host supports USB 3.0
SuperSpeed
[ 2.891965] usb usb4: We don't know the algorithms for LPM for this
host, disabling LPM.
[ 2.900305] hub 4-0:1.0: USB hub found
[ 2.904166] hub 4-0:1.0: 1 port detected
[ 2.908296] usbcore: registered new interface driver usb-storage
[ 2.914499] input: buttons1 as
/devices/platform/buttons1/input/input0
[ 2.922390] rtc-rv8803 0-0032: Voltage low, temperature compensation
stopped.
[ 2.929561] rtc-rv8803 0-0032: Voltage low, data loss detected.
[ 2.936566] rtc-rv8803 0-0032: Voltage low, data is invalid.
[ 2.942408] rtc-rv8803 0-0032: registered as rtc0
[ 2.947738] rtc-rv8803 0-0032: Voltage low, data is invalid.
[ 2.953426] rtc-rv8803 0-0032: hctosys: unable to read the hardware
clock
[ 2.960324] i2c /dev entries driver
[ 2.969874] sp805-wdt c000000.watchdog: registration successful
[ 2.975903] sp805-wdt c010000.watchdog: registration successful
[ 2.983636] sl28cpld_wdt sl28cpld-wdt: initial timeout 6 sec
[ 2.989890] qoriq-cpufreq qoriq-cpufreq: Freescale QorIQ CPU
frequency scaling driver
[ 2.998408] sdhci: Secure Digital Host Controller Interface driver
[ 3.004669] sdhci: Copyright(c) Pierre Ossman
[ 3.009082] sdhci-pltfm: SDHCI platform and OF driver helper
[ 3.015604] sdhci-esdhc 2140000.mmc: Adding to iommu group 8
[ 3.048548] mmc0: SDHCI controller on 2140000.mmc [2140000.mmc] using
ADMA
[ 3.055568] ------------[ cut here ]------------
[ 3.060295] sup:5000000.iommu - con:2140000.mmc f:68 s:1
[ 3.065824] WARNING: CPU: 0 PID: 1 at drivers/base/core.c:915
device_links_driver_bound+0x1ec/0x230
[ 3.074940] Modules linked in:
[ 3.078032] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W
5.7.0-rc7-next-20200525-00039-gfb6df8136807-dirty #815
[ 3.089325] Hardware name: Kontron SMARC-sAL28 (Single PHY) on SMARC
Eval 2.0 carrier (DT)
[ 3.097654] pstate: 60000005 (nZCv daif -PAN -UAO BTYPE=--)
[ 3.103272] pc : device_links_driver_bound+0x1ec/0x230
[ 3.108451] lr : device_links_driver_bound+0x1ec/0x230
[ 3.113624] sp : ffff8000111dbb70
[ 3.116964] x29: ffff8000111dbb70 x28: ffff00207a421c10
[ 3.122320] x27: ffff00207a41a490 x26: ffff800010be8130
[ 3.127676] x25: 0000000000000003 x24: ffff00207a41a4b0
[ 3.133030] x23: ffff800011039948 x22: ffff8000111dbbd8
[ 3.138384] x21: ffff00207a41a410 x20: ffff8000110d2d80
[ 3.143737] x19: ffff00207affdf00 x18: 0000000000000000
[ 3.149090] x17: 0000000000000002 x16: 0000000000000001
[ 3.154443] x15: 0000000000000000 x14: 00000000000004c4
[ 3.159797] x13: 0000000000000003 x12: 0000000000000000
[ 3.165150] x11: 00000000000003fe x10: 00000000000009f0
[ 3.170503] x9 : ffff800010091f64 x8 : ffff00207ae50a50
[ 3.175857] x7 : ffff80206e9df000 x6 : 0000000000000001
[ 3.181209] x5 : 0000000000000000 x4 : 0000000000000000
[ 3.186562] x3 : ffff80206e9df000 x2 : ffff80001105b6c8
[ 3.191915] x1 : c4bf1185730d5000 x0 : 0000000000000000
[ 3.197268] Call trace:
[ 3.199742] device_links_driver_bound+0x1ec/0x230
[ 3.204574] driver_bound+0x70/0xc0
[ 3.208095] really_probe+0x110/0x318
[ 3.211791] driver_probe_device+0x40/0x90
[ 3.215925] device_driver_attach+0x7c/0x88
[ 3.220144] __driver_attach+0x60/0xe8
[ 3.223926] bus_for_each_dev+0x7c/0xd0
[ 3.227794] driver_attach+0x2c/0x38
[ 3.231402] bus_add_driver+0x194/0x1f8
[ 3.235272] driver_register+0x6c/0x128
[ 3.239140] __platform_driver_register+0x50/0x60
[ 3.243883] sdhci_esdhc_driver_init+0x24/0x30
[ 3.248364] do_one_initcall+0x54/0x298
[ 3.252237] kernel_init_freeable+0x1ec/0x268
[ 3.256630] kernel_init+0x1c/0x118
[ 3.260150] ret_from_fork+0x10/0x1c
[ 3.263753] ---[ end trace 1dedfde488772aa1 ]---
[ 3.269383] sdhci-esdhc 2150000.mmc: Adding to iommu group 9
[ 3.302631] mmc1: SDHCI controller on 2150000.mmc [2150000.mmc] using
ADMA
[ 3.309672] ------------[ cut here ]------------
[ 3.314415] sup:5000000.iommu - con:2150000.mmc f:68 s:1
[ 3.319907] WARNING: CPU: 1 PID: 1 at drivers/base/core.c:915
device_links_driver_bound+0x1ec/0x230
[ 3.329018] Modules linked in:
[ 3.332109] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G W
5.7.0-rc7-next-20200525-00039-gfb6df8136807-dirty #815
[ 3.343403] Hardware name: Kontron SMARC-sAL28 (Single PHY) on SMARC
Eval 2.0 carrier (DT)
[ 3.351733] pstate: 60000005 (nZCv daif -PAN -UAO BTYPE=--)
[ 3.357351] pc : device_links_driver_bound+0x1ec/0x230
[ 3.362530] lr : device_links_driver_bound+0x1ec/0x230
[ 3.367703] sp : ffff8000111dbb70
[ 3.371043] x29: ffff8000111dbb70 x28: ffff00207a421c10
[ 3.376402] x27: ffff00207a41a890 x26: ffff800010be8130
[ 3.381759] x25: 0000000000000003 x24: ffff00207a41a8b0
[ 3.387114] x23: ffff800011039948 x22: ffff8000111dbbd8
[ 3.392468] x21: ffff00207a41a810 x20: ffff8000110d2d80
[ 3.394852] usb 3-1: new high-speed USB device number 2 using
xhci-hcd
[ 3.397820] x19: ffff00207affdf80 x18: 0000000000000010
[ 3.409742] x17: 0000000000000000 x16: 0000000000000003
[ 3.415096] x15: ffffffffffffffff x14: 0720072007200720
[ 3.420450] x13: 0720072007200720 x12: 0720072007200720
[ 3.425804] x11: 0720072007200720 x10: 00000000000009f0
[ 3.431158] x9 : ffff800010091f64 x8 : ffff00207ae50a50
[ 3.436511] x7 : 00000000ffffffff x6 : 0000000000000001
[ 3.441865] x5 : 0000000000007af8 x4 : 0000000000000000
[ 3.447218] x3 : ffff80206e9fd000 x2 : ffff80001105b6c8
[ 3.452571] x1 : c4bf1185730d5000 x0 : 0000000000000000
[ 3.457925] Call trace:
[ 3.460400] device_links_driver_bound+0x1ec/0x230
[ 3.465234] driver_bound+0x70/0xc0
[ 3.468755] really_probe+0x110/0x318
[ 3.472451] driver_probe_device+0x40/0x90
[ 3.476584] device_driver_attach+0x7c/0x88
[ 3.480805] __driver_attach+0x60/0xe8
[ 3.484586] bus_for_each_dev+0x7c/0xd0
[ 3.488455] driver_attach+0x2c/0x38
[ 3.492062] bus_add_driver+0x194/0x1f8
[ 3.495932] driver_register+0x6c/0x128
[ 3.499800] __platform_driver_register+0x50/0x60
[ 3.504543] sdhci_esdhc_driver_init+0x24/0x30
[ 3.509022] do_one_initcall+0x54/0x298
[ 3.512895] kernel_init_freeable+0x1ec/0x268
[ 3.517289] kernel_init+0x1c/0x118
[ 3.520808] ret_from_fork+0x10/0x1c
[ 3.524411] ---[ end trace 1dedfde488772aa2 ]---
[ 3.531059] usbcore: registered new interface driver usbhid
[ 3.536930] usbhid: USB HID core driver
[ 3.542739] wm8904 2-001a: supply DCVDD not found, using dummy
regulator
[ 3.551906] wm8904 2-001a: supply DBVDD not found, using dummy
regulator
[ 3.558984] wm8904 2-001a: supply AVDD not found, using dummy
regulator
[ 3.568758] wm8904 2-001a: supply CPVDD not found, using dummy
regulator
[ 3.575809] wm8904 2-001a: supply MICVDD not found, using dummy
regulator
[ 3.585270] wm8904 2-001a: revision A
[ 3.592667] random: fast init done
[ 3.596550] hub 3-1:1.0: USB hub found
[ 3.600618] hub 3-1:1.0: 7 ports detected
[ 3.607057] mmc0: new ultra high speed SDR104 SDHC card at address
1234
[ 3.614693] NET: Registered protocol family 10
[ 3.614811] mmcblk0: mmc0:1234 SA16G 14.4 GiB
[ 3.620859] Segment Routing with IPv6
[ 3.628371] mmcblk0: p1
[ 3.629054] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 3.638317] NET: Registered protocol family 17
[ 3.643004] Bridge firewalling registered
[ 3.647331] 8021q: 802.1Q VLAN Support v1.8
[ 3.651847] Key type dns_resolver registered
[ 3.656831] registered taskstats version 1
[ 3.662880] Loading compiled-in X.509 certificates
[ 3.674933] fsl-edma 22c0000.dma-controller: Adding to iommu group 10
[ 3.684717] ------------[ cut here ]------------
[ 3.689545] sup:5000000.iommu - con:22c0000.dma-controller f:68 s:1
[ 3.696078] WARNING: CPU: 0 PID: 82 at drivers/base/core.c:915
device_links_driver_bound+0x1ec/0x230
[ 3.705275] Modules linked in:
[ 3.708368] CPU: 0 PID: 82 Comm: kworker/0:3 Tainted: G W
5.7.0-rc7-next-20200525-00039-gfb6df8136807-dirty #815
[ 3.719924] Hardware name: Kontron SMARC-sAL28 (Single PHY) on SMARC
Eval 2.0 carrier (DT)
[ 3.728262] Workqueue: events deferred_probe_work_func
[ 3.733448] pstate: 60000005 (nZCv daif -PAN -UAO BTYPE=--)
[ 3.739065] pc : device_links_driver_bound+0x1ec/0x230
[ 3.744244] lr : device_links_driver_bound+0x1ec/0x230
[ 3.749417] sp : ffff8000123d3b70
[ 3.752757] x29: ffff8000123d3b70 x28: ffff00207a421c10
[ 3.758116] x27: ffff00207a41bc90 x26: ffff800010be8130
[ 3.763473] x25: 0000000000000003 x24: ffff00207a41bcb0
[ 3.768827] x23: ffff800011039948 x22: ffff8000123d3bd8
[ 3.774181] x21: ffff00207a41bc10 x20: ffff8000110d2d80
[ 3.779535] x19: ffff00207a401080 x18: 0000000000000010
[ 3.784890] x17: 000000000f459d73 x16: 00000000f67948ef
[ 3.790244] x15: ffffffffffffffff x14: 0720072007200720
[ 3.795598] x13: 0720072007200720 x12: 072007200731073a
[ 3.800951] x11: 0773072007380736 x10: 073a076607200772
[ 3.806305] x9 : ffff800010091f64 x8 : 07720774076e076f
[ 3.811658] x7 : 0000000000000220 x6 : ffff00207ac21f00
[ 3.817012] x5 : 0000000000000000 x4 : 0000000000000000
[ 3.822365] x3 : 00000000ffffffff x2 : ffff80001105b6c8
[ 3.827718] x1 : c4bf1185730d5000 x0 : 0000000000000000
[ 3.833073] Call trace:
[ 3.835548] device_links_driver_bound+0x1ec/0x230
[ 3.840381] driver_bound+0x70/0xc0
[ 3.843902] really_probe+0x110/0x318
[ 3.847599] driver_probe_device+0x40/0x90
[ 3.851732] __device_attach_driver+0x8c/0xd0
[ 3.856124] bus_for_each_drv+0x84/0xd8
[ 3.859994] __device_attach+0xd4/0x110
[ 3.863863] device_initial_probe+0x1c/0x28
[ 3.868082] bus_probe_device+0xa4/0xb0
[ 3.871952] deferred_probe_work_func+0x7c/0xb8
[ 3.876525] process_one_work+0x1f4/0x4b8
[ 3.880571] worker_thread+0x218/0x498
[ 3.884355] kthread+0x160/0x168
[ 3.887613] ret_from_fork+0x10/0x1c
[ 3.891218] ---[ end trace 1dedfde488772aa4 ]---
[ 3.896564] pcieport 0001:00:00.0: Adding to iommu group 11
[ 3.903497] mmc1: new HS400 MMC card at address 0001
[ 3.908759] pcieport 0001:00:00.0: AER: enabled with IRQ 24
[ 3.909534] mmcblk1: mmc1:0001 S0J58X 29.6 GiB
[ 3.914825] pcieport 0002:00:00.0: Adding to iommu group 12
[ 3.919508] mmcblk1boot0: mmc1:0001 S0J58X partition 1 31.5 MiB
[ 3.930861] pcieport 0002:00:00.0: AER: enabled with IRQ 26
[ 3.931274] mmcblk1boot1: mmc1:0001 S0J58X partition 2 31.5 MiB
[ 3.936999] fsl-qdma 8380000.dma-controller: Adding to iommu group 13
[ 3.942697] mmcblk1rpmb: mmc1:0001 S0J58X partition 3 4.00 MiB,
chardev (245:0)
[ 3.950312] ------------[ cut here ]------------
[ 3.961397] sup:5000000.iommu - con:8380000.dma-controller f:68 s:1
[ 3.961424] mmcblk1: p1 p2
[ 3.967817] WARNING: CPU: 0 PID: 82 at drivers/base/core.c:915
device_links_driver_bound+0x1ec/0x230
[ 3.979759] Modules linked in:
[ 3.982851] CPU: 0 PID: 82 Comm: kworker/0:3 Tainted: G W
5.7.0-rc7-next-20200525-00039-gfb6df8136807-dirty #815
[ 3.994405] Hardware name: Kontron SMARC-sAL28 (Single PHY) on SMARC
Eval 2.0 carrier (DT)
[ 4.002743] Workqueue: events deferred_probe_work_func
[ 4.007928] pstate: 60000005 (nZCv daif -PAN -UAO BTYPE=--)
[ 4.013545] pc : device_links_driver_bound+0x1ec/0x230
[ 4.018723] lr : device_links_driver_bound+0x1ec/0x230
[ 4.023897] sp : ffff8000123d3b70
[ 4.027236] x29: ffff8000123d3b70 x28: ffff00207a421c10
[ 4.032592] x27: ffff00207a422090 x26: ffff800010be8130
[ 4.037947] x25: 0000000000000003 x24: ffff00207a4220b0
[ 4.043301] x23: ffff800011039948 x22: ffff8000123d3bd8
[ 4.048655] x21: ffff00207a422010 x20: ffff8000110d2d80
[ 4.054009] x19: ffff00207a401300 x18: 0000000000000010
[ 4.059363] x17: 0000000000000002 x16: 0000000000000003
[ 4.064717] x15: ffffffffffffffff x14: 0720072007200720
[ 4.070070] x13: 0720072007200720 x12: 072007200731073a
[ 4.075423] x11: 0773072007380736 x10: 073a076607200772
[ 4.080776] x9 : ffff800010091f64 x8 : 07720774076e076f
[ 4.086130] x7 : 0763072d0761076d x6 : ffff00207ac21f00
[ 4.091483] x5 : 0000000000000000 x4 : 0000000000000000
[ 4.096837] x3 : 00000000ffffffff x2 : ffff80001105b6c8
[ 4.102191] x1 : c4bf1185730d5000 x0 : 0000000000000000
[ 4.107545] Call trace:
[ 4.110018] device_links_driver_bound+0x1ec/0x230
[ 4.114850] driver_bound+0x70/0xc0
[ 4.118371] really_probe+0x110/0x318
[ 4.122066] driver_probe_device+0x40/0x90
[ 4.126200] __device_attach_driver+0x8c/0xd0
[ 4.130593] bus_for_each_drv+0x84/0xd8
[ 4.134463] __device_attach+0xd4/0x110
[ 4.138333] device_initial_probe+0x1c/0x28
[ 4.142552] bus_probe_device+0xa4/0xb0
[ 4.146422] deferred_probe_work_func+0x7c/0xb8
[ 4.150994] process_one_work+0x1f4/0x4b8
[ 4.155040] worker_thread+0x218/0x498
[ 4.158824] kthread+0x160/0x168
[ 4.162083] ret_from_fork+0x10/0x1c
[ 4.165686] ---[ end trace 1dedfde488772aa5 ]---
[ 4.177076] asoc-simple-card sound: wm8904-hifi <->
f150000.audio-controller mapping ok
[ 4.187367] asoc-simple-card sound: wm8904-hifi <->
f140000.audio-controller mapping ok
[ 4.195570] asoc-simple-card sound: ASoC: no DMI vendor name!
[ 4.207494] input: buttons0 as
/devices/platform/buttons0/input/input1
[ 4.214771] ALSA device list:
[ 4.217820] #0: f150000.audio-controller-wm8904-hifi
[ 4.227909] EXT4-fs (mmcblk1p2): INFO: recovery required on readonly
filesystem
[ 4.235322] EXT4-fs (mmcblk1p2): write access will be enabled during
recovery
[ 4.274456] EXT4-fs (mmcblk1p2): recovery complete
[ 4.281568] EXT4-fs (mmcblk1p2): mounted filesystem with ordered data
mode. Opts: (null)
[ 4.282852] usb 3-1.6: new full-speed USB device number 3 using
xhci-hcd
[ 4.289831] VFS: Mounted root (ext4 filesystem) readonly on device
179:34.
[ 4.304060] devtmpfs: mounted
[ 4.318148] Freeing unused kernel memory: 3328K
[ 4.322986] Run /sbin/init as init process
[ 4.327143] with arguments:
[ 4.330136] /sbin/init
[ 4.332884] with environment:
[ 4.336071] HOME=/
[ 4.338451] TERM=linux
[ 4.390182] EXT4-fs (mmcblk1p2): re-mounted. Opts: (null)
[ 4.565675] udevd[130]: starting version 3.2.8
[ 4.572326] random: udevd: uninitialized urandom read (16 bytes read)
[ 4.580164] random: udevd: uninitialized urandom read (16 bytes read)
[ 4.586913] random: udevd: uninitialized urandom read (16 bytes read)
[ 4.598510] udevd[130]: specified group 'kvm' unknown
[ 4.626307] udevd[131]: starting eudev-3.2.8
[ 6.878045] fsl_enetc 0000:00:00.0 gbe0: renamed from eth0
[ 9.740520] urandom_read: 3 callbacks suppressed
[ 9.740534] random: dd: uninitialized urandom read (512 bytes read)
[ 9.903952] Qualcomm Atheros AR8031/AR8033 0000:00:00.0:05: attached
PHY driver [Qualcomm Atheros AR8031/AR8033]
(mii_bus:phy_addr=0000:00:00.0:05, irq=POLL)
[ 9.936327] fsl_enetc 0000:00:00.0 gbe0: Link is Down
[ 9.992936] random: dropbear: uninitialized urandom read (32 bytes
read)
[ 11.971438] fsl_enetc 0000:00:00.0 gbe0: Link is Up - 10Mbps/Full -
flow control off
[ 11.979324] IPv6: ADDRCONF(NETDEV_CHANGE): gbe0: link becomes ready
[ 12.995161] fsl_enetc 0000:00:00.0 gbe0: Link is Down
[ 15.043470] fsl_enetc 0000:00:00.0 gbe0: Link is Up - 1Gbps/Full -
flow control off
-michael
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