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Date: Mon, 25 May 2020 23:38:26 +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 23:24, schrieb Saravana Kannan:
> On Mon, May 25, 2020 at 12:05 PM Michael Walle <michael@...le.cc>
> wrote:
>>
>> 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):
>
> Thanks for the logs!
>
> Ok, that definitely gave me some more info.
> 1. It's happening only for this iommu which in some cases can create
> device links before fw_devlink through the use of
> BUS_NOTIFY_ADD_DEVICE.
> 2. The issue doesn't seem to be between STATELESS and SYNC_STATE_ONLY
> flags (because STATELESS flag is not set).
> 3. There seems to be a MANAGED link created by arm-smmu.c before/after
> the SYNC_STATE_ONLY link is created.
>
> In which case, the SYNC_STATE_ONLY link is supposed to be a NOP, but
> that doesn't seem to be the case for some reason.
>
> Can you add these debug messages and give me the logs? Hopefully
> this'll be my last log request. I tried reproducing this in hardware I
> have, but I couldn't reproduce it.
sure no problem:
[ 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) #816 SMP PREEMPT Mon May 25 23:34:22 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
[ 0.000106] Console: colour dummy device 80x25
[ 0.000393] printk: console [tty0] enabled
[ 0.000440] Calibrating delay loop (skipped), value calculated using
timer frequency.. 50.00 BogoMIPS (lpj=100000)
[ 0.000453] pid_max: default: 32768 minimum: 301
[ 0.000500] LSM: Security Framework initializing
[ 0.000554] Mount-cache hash table entries: 8192 (order: 4, 65536
bytes, linear)
[ 0.000585] Mountpoint-cache hash table entries: 8192 (order: 4,
65536 bytes, linear)
[ 0.001424] rcu: Hierarchical SRCU implementation.
[ 0.001573] Platform MSI: gic-its@...0000 domain created
[ 0.001642] PCI/MSI: /interrupt-controller@...0000/gic-its@...0000
domain created
[ 0.001844] EFI services will not be available.
[ 0.001943] smp: Bringing up secondary CPUs ...
[ 0.002216] Detected PIPT I-cache on CPU1
[ 0.002236] GICv3: CPU1: found redistributor 1 region
0:0x0000000006060000
[ 0.002243] GICv3: CPU1: using allocated LPI pending table
@0x00000020fad50000
[ 0.002265] CPU1: Booted secondary processor 0x0000000001
[0x410fd083]
[ 0.002316] smp: Brought up 1 node, 2 CPUs
[ 0.002342] SMP: Total of 2 processors activated.
[ 0.002350] CPU features: detected: 32-bit EL0 Support
[ 0.002356] CPU features: detected: CRC32 instructions
[ 0.010374] CPU: All CPU(s) started at EL2
[ 0.010394] alternatives: patching kernel code
[ 0.010997] devtmpfs: initialized
[ 0.012905] KASLR disabled due to lack of seed
[ 0.013057] clocksource: jiffies: mask: 0xffffffff max_cycles:
0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.013073] futex hash table entries: 512 (order: 3, 32768 bytes,
linear)
[ 0.013842] thermal_sys: Registered thermal governor 'step_wise'
[ 0.013967] DMI not present or invalid.
[ 0.014149] NET: Registered protocol family 16
[ 0.015044] DMA: preallocated 4096 KiB GFP_KERNEL pool for atomic
allocations
[ 0.015756] DMA: preallocated 4096 KiB GFP_KERNEL|GFP_DMA pool for
atomic allocations
[ 0.016483] DMA: preallocated 4096 KiB GFP_KERNEL|GFP_DMA32 pool for
atomic allocations
[ 0.016519] audit: initializing netlink subsys (disabled)
[ 0.016641] audit: type=2000 audit(0.016:1): state=initialized
audit_enabled=0 res=1
[ 0.016942] cpuidle: using governor menu
[ 0.017011] hw-breakpoint: found 6 breakpoint and 4 watchpoint
registers.
[ 0.017040] ASID allocator initialised with 65536 entries
[ 0.017304] Serial: AMBA PL011 UART driver
[ 0.022963] platform 2140000.mmc: Link attempted to 5000000.iommu
0xc0
[ 0.022977] platform 2140000.mmc: Link done to 5000000.iommu 0xc0 0
[ 0.023000] platform 2150000.mmc: Link attempted to 5000000.iommu
0xc0
[ 0.023009] platform 2150000.mmc: Link done to 5000000.iommu 0xc0 0
[ 0.023072] platform 22c0000.dma-controller: Link attempted to
5000000.iommu 0xc0
[ 0.023082] platform 22c0000.dma-controller: Link done to
5000000.iommu 0xc0 0
[ 0.023123] platform 3100000.usb: Link attempted to 5000000.iommu
0xc0
[ 0.023132] platform 3100000.usb: Link done to 5000000.iommu 0xc0 0
[ 0.023148] platform 3110000.usb: Link attempted to 5000000.iommu
0xc0
[ 0.023156] platform 3110000.usb: Link done to 5000000.iommu 0xc0 0
[ 0.023181] platform 3400000.pcie: Link attempted to 5000000.iommu
0xc0
[ 0.023190] platform 3400000.pcie: Link done to 5000000.iommu 0xc0 0
[ 0.023212] platform 3500000.pcie: Link attempted to 5000000.iommu
0xc0
[ 0.023221] platform 3500000.pcie: Link done to 5000000.iommu 0xc0 0
[ 0.023238] platform 8380000.dma-controller: Link attempted to
5000000.iommu 0xc0
[ 0.023248] platform 8380000.dma-controller: Link done to
5000000.iommu 0xc0 0
[ 0.023347] platform 1f0000000.pcie: Link attempted to 5000000.iommu
0xc0
[ 0.023355] platform 1f0000000.pcie: Link done to 5000000.iommu 0xc0
0
[ 0.023398] platform f080000.display: Link attempted to 5000000.iommu
0xc0
[ 0.023406] platform f080000.display: Link done to 5000000.iommu 0xc0
0
[ 0.023657] Machine: Kontron SMARC-sAL28 (Single PHY) on SMARC Eval
2.0 carrier
[ 0.023666] SoC family: QorIQ LS1028A
[ 0.023672] SoC ID: svr:0x870b0110, Revision: 1.0
[ 0.026698] HugeTLB registered 1.00 GiB page size, pre-allocated 0
pages
[ 0.026713] HugeTLB registered 32.0 MiB page size, pre-allocated 0
pages
[ 0.026721] HugeTLB registered 2.00 MiB page size, pre-allocated 0
pages
[ 0.026729] HugeTLB registered 64.0 KiB page size, pre-allocated 0
pages
[ 0.027791] cryptd: max_cpu_qlen set to 1000
[ 0.029257] iommu: Default domain type: Translated
[ 0.029325] vgaarb: loaded
[ 0.029467] SCSI subsystem initialized
[ 0.029554] usbcore: registered new interface driver usbfs
[ 0.029580] usbcore: registered new interface driver hub
[ 0.029612] usbcore: registered new device driver usb
[ 0.029748] imx-i2c 2000000.i2c: can't get pinctrl, bus recovery not
supported
[ 0.029925] i2c i2c-0: IMX I2C adapter registered
[ 0.029998] imx-i2c 2030000.i2c: can't get pinctrl, bus recovery not
supported
[ 0.030068] i2c i2c-1: IMX I2C adapter registered
[ 0.030142] imx-i2c 2040000.i2c: can't get pinctrl, bus recovery not
supported
[ 0.030240] i2c i2c-2: IMX I2C adapter registered
[ 0.030319] pps_core: LinuxPPS API ver. 1 registered
[ 0.030327] pps_core: Software ver. 5.3.6 - Copyright 2005-2007
Rodolfo Giometti <giometti@...ux.it>
[ 0.030341] PTP clock support registered
[ 0.030562] Advanced Linux Sound Architecture Driver Initialized.
[ 0.030909] clocksource: Switched to clocksource arch_sys_counter
[ 0.067146] VFS: Disk quotas dquot_6.6.0
[ 0.067188] VFS: Dquot-cache hash table entries: 512 (order 0, 4096
bytes)
[ 0.069879] NET: Registered protocol family 2
[ 0.070111] tcp_listen_portaddr_hash hash table entries: 2048 (order:
3, 32768 bytes, linear)
[ 0.070136] TCP established hash table entries: 32768 (order: 6,
262144 bytes, linear)
[ 0.070229] TCP bind hash table entries: 32768 (order: 7, 524288
bytes, linear)
[ 0.070529] TCP: Hash tables configured (established 32768 bind
32768)
[ 0.070628] UDP hash table entries: 2048 (order: 4, 65536 bytes,
linear)
[ 0.070655] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes,
linear)
[ 0.070740] NET: Registered protocol family 1
[ 0.070760] PCI: CLS 0 bytes, default 64
[ 0.071123] hw perfevents: enabled with armv8_cortex_a72 PMU driver,
7 counters available
[ 0.071580] Initialise system trusted keyrings
[ 0.071703] workingset: timestamp_bits=44 max_order=20 bucket_order=0
[ 0.105131] Key type asymmetric registered
[ 0.105147] Asymmetric key parser 'x509' registered
[ 0.105173] Block layer SCSI generic (bsg) driver version 0.4 loaded
(major 248)
[ 0.105182] io scheduler mq-deadline registered
[ 0.105189] io scheduler kyber registered
[ 0.105719] pci-host-generic 1f0000000.pcie: host bridge
/soc/pcie@...000000 ranges:
[ 0.105749] pci-host-generic 1f0000000.pcie: MEM
0x01f8000000..0x01f815ffff -> 0x0000000000
[ 0.105769] pci-host-generic 1f0000000.pcie: MEM
0x01f8160000..0x01f81cffff -> 0x0000000000
[ 0.105789] pci-host-generic 1f0000000.pcie: MEM
0x01f81d0000..0x01f81effff -> 0x0000000000
[ 0.105808] pci-host-generic 1f0000000.pcie: MEM
0x01f81f0000..0x01f820ffff -> 0x0000000000
[ 0.105826] pci-host-generic 1f0000000.pcie: MEM
0x01f8210000..0x01f822ffff -> 0x0000000000
[ 0.105845] pci-host-generic 1f0000000.pcie: MEM
0x01f8230000..0x01f824ffff -> 0x0000000000
[ 0.105859] pci-host-generic 1f0000000.pcie: MEM
0x01fc000000..0x01fc3fffff -> 0x0000000000
[ 0.105910] pci-host-generic 1f0000000.pcie: ECAM at [mem
0x1f0000000-0x1f00fffff] for [bus 00]
[ 0.105965] pci-host-generic 1f0000000.pcie: PCI host bridge to bus
0000:00
[ 0.105975] pci_bus 0000:00: root bus resource [bus 00]
[ 0.105985] pci_bus 0000:00: root bus resource [mem
0x1f8000000-0x1f815ffff] (bus address [0x00000000-0x0015ffff])
[ 0.105996] pci_bus 0000:00: root bus resource [mem
0x1f8160000-0x1f81cffff pref] (bus address [0x00000000-0x0006ffff])
[ 0.106007] pci_bus 0000:00: root bus resource [mem
0x1f81d0000-0x1f81effff] (bus address [0x00000000-0x0001ffff])
[ 0.106018] pci_bus 0000:00: root bus resource [mem
0x1f81f0000-0x1f820ffff pref] (bus address [0x00000000-0x0001ffff])
[ 0.106028] pci_bus 0000:00: root bus resource [mem
0x1f8210000-0x1f822ffff] (bus address [0x00000000-0x0001ffff])
[ 0.106039] pci_bus 0000:00: root bus resource [mem
0x1f8230000-0x1f824ffff pref] (bus address [0x00000000-0x0001ffff])
[ 0.106050] pci_bus 0000:00: root bus resource [mem
0x1fc000000-0x1fc3fffff] (bus address [0x00000000-0x003fffff])
[ 0.106072] pci 0000:00:00.0: [1957:e100] type 00 class 0x020001
[ 0.106113] pci 0000:00:00.0: BAR 0: [mem 0x1f8000000-0x1f803ffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.106125] pci 0000:00:00.0: BAR 2: [mem 0x1f8160000-0x1f816ffff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.106138] pci 0000:00:00.0: VF BAR 0: [mem 0x1f81d0000-0x1f81dffff
64bit] (from Enhanced Allocation, properties 0x4)
[ 0.106150] pci 0000:00:00.0: VF BAR 2: [mem 0x1f81f0000-0x1f81fffff
64bit pref] (from Enhanced Allocation, properties 0x3)
[ 0.106174] pci 0000:00:00.0: PME# supported from D0 D3hot
[ 0.106189] pci 0000:00:00.0: VF(n) BAR0 space: [mem
0x1f81d0000-0x1f81effff 64bit] (contains BAR0 for 2 VFs)
[ 0.106200] pci 0000:00:00.0: VF(n) BAR2 space: [mem
0x1f81f0000-0x1f820ffff 64bit pref] (contains BAR2 for 2 VFs)
[ 0.106314] pci 0000:00:00.1: [1957:e100] type 00 class 0x020001
[ 0.106345] pci 0000:00:00.1: BAR 0: [mem 0x1f8040000-0x1f807ffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.106357] pci 0000:00:00.1: BAR 2: [mem 0x1f8170000-0x1f817ffff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.106369] pci 0000:00:00.1: VF BAR 0: [mem 0x1f8210000-0x1f821ffff
64bit] (from Enhanced Allocation, properties 0x4)
[ 0.106381] pci 0000:00:00.1: VF BAR 2: [mem 0x1f8230000-0x1f823ffff
64bit pref] (from Enhanced Allocation, properties 0x3)
[ 0.106404] pci 0000:00:00.1: PME# supported from D0 D3hot
[ 0.106418] pci 0000:00:00.1: VF(n) BAR0 space: [mem
0x1f8210000-0x1f822ffff 64bit] (contains BAR0 for 2 VFs)
[ 0.106429] pci 0000:00:00.1: VF(n) BAR2 space: [mem
0x1f8230000-0x1f824ffff 64bit pref] (contains BAR2 for 2 VFs)
[ 0.106524] pci 0000:00:00.2: [1957:e100] type 00 class 0x020001
[ 0.106554] pci 0000:00:00.2: BAR 0: [mem 0x1f8080000-0x1f80bffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.106566] pci 0000:00:00.2: BAR 2: [mem 0x1f8180000-0x1f818ffff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.106587] pci 0000:00:00.2: PME# supported from D0 D3hot
[ 0.106672] pci 0000:00:00.3: [1957:ee01] type 00 class 0x088001
[ 0.106705] pci 0000:00:00.3: BAR 0: [mem 0x1f8100000-0x1f811ffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.106717] pci 0000:00:00.3: BAR 2: [mem 0x1f8190000-0x1f819ffff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.106741] pci 0000:00:00.3: PME# supported from D0 D3hot
[ 0.106826] pci 0000:00:00.4: [1957:ee02] type 00 class 0x088001
[ 0.106856] pci 0000:00:00.4: BAR 0: [mem 0x1f8120000-0x1f813ffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.106868] pci 0000:00:00.4: BAR 2: [mem 0x1f81a0000-0x1f81affff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.106889] pci 0000:00:00.4: PME# supported from D0 D3hot
[ 0.107006] pci 0000:00:00.5: [1957:eef0] type 00 class 0x020801
[ 0.107037] pci 0000:00:00.5: BAR 0: [mem 0x1f8140000-0x1f815ffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.107049] pci 0000:00:00.5: BAR 2: [mem 0x1f81b0000-0x1f81bffff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.107061] pci 0000:00:00.5: BAR 4: [mem 0x1fc000000-0x1fc3fffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.107082] pci 0000:00:00.5: PME# supported from D0 D3hot
[ 0.107172] pci 0000:00:00.6: [1957:e100] type 00 class 0x020001
[ 0.107202] pci 0000:00:00.6: BAR 0: [mem 0x1f80c0000-0x1f80fffff
64bit] (from Enhanced Allocation, properties 0x0)
[ 0.107214] pci 0000:00:00.6: BAR 2: [mem 0x1f81c0000-0x1f81cffff
64bit pref] (from Enhanced Allocation, properties 0x1)
[ 0.107235] pci 0000:00:00.6: PME# supported from D0 D3hot
[ 0.107991] pci 0000:00:1f.0: [1957:e001] type 00 class 0x080700
[ 0.108036] OF: /soc/pcie@...000000: no msi-map translation for rid
0xf8 on (null)
[ 0.108347] layerscape-pcie 3400000.pcie: host bridge
/soc/pcie@...0000 ranges:
[ 0.108373] layerscape-pcie 3400000.pcie: IO
0x8000010000..0x800001ffff -> 0x0000000000
[ 0.108390] layerscape-pcie 3400000.pcie: MEM
0x8040000000..0x807fffffff -> 0x0040000000
[ 0.108476] layerscape-pcie 3400000.pcie: PCI host bridge to bus
0001:00
[ 0.108485] pci_bus 0001:00: root bus resource [bus 00-ff]
[ 0.108493] pci_bus 0001:00: root bus resource [io 0x0000-0xffff]
[ 0.108502] pci_bus 0001:00: root bus resource [mem
0x8040000000-0x807fffffff] (bus address [0x40000000-0x7fffffff])
[ 0.108523] pci 0001:00:00.0: [1957:82c1] type 01 class 0x060400
[ 0.108583] pci 0001:00:00.0: supports D1 D2
[ 0.108590] pci 0001:00:00.0: PME# supported from D0 D1 D2 D3hot
[ 0.110007] pci_bus 0001:01: busn_res: [bus 01-ff] end is updated to
01
[ 0.110020] pci 0001:00:00.0: PCI bridge to [bus 01]
[ 0.110111] layerscape-pcie 3500000.pcie: host bridge
/soc/pcie@...0000 ranges:
[ 0.110135] layerscape-pcie 3500000.pcie: IO
0x8800010000..0x880001ffff -> 0x0000000000
[ 0.110151] layerscape-pcie 3500000.pcie: MEM
0x8840000000..0x887fffffff -> 0x0040000000
[ 0.110229] layerscape-pcie 3500000.pcie: PCI host bridge to bus
0002:00
[ 0.110239] pci_bus 0002:00: root bus resource [bus 00-ff]
[ 0.110248] pci_bus 0002:00: root bus resource [io 0x10000-0x1ffff]
(bus address [0x0000-0xffff])
[ 0.110259] pci_bus 0002:00: root bus resource [mem
0x8840000000-0x887fffffff] (bus address [0x40000000-0x7fffffff])
[ 0.110279] pci 0002:00:00.0: [1957:82c1] type 01 class 0x060400
[ 0.110337] pci 0002:00:00.0: supports D1 D2
[ 0.110344] pci 0002:00:00.0: PME# supported from D0 D1 D2 D3hot
[ 0.111771] pci_bus 0002:01: busn_res: [bus 01-ff] end is updated to
01
[ 0.111783] pci 0002:00:00.0: PCI bridge to [bus 01]
[ 0.112057] IPMI message handler: version 39.2
[ 0.112083] ipmi device interface
[ 0.112109] ipmi_si: IPMI System Interface driver
[ 0.112228] ipmi_si: Unable to find any System Interface(s)
[ 0.113662] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 0.114356] 21c0500.serial: ttyS0 at MMIO 0x21c0500 (irq = 16,
base_baud = 12500000) is a 16550A
[ 1.829114] printk: console [ttyS0] enabled
[ 1.833561] 21c0600.serial: ttyS1 at MMIO 0x21c0600 (irq = 16,
base_baud = 12500000) is a 16550A
[ 1.842671] 2270000.serial: ttyLP2 at MMIO 0x2270000 (irq = 17,
base_baud = 12500000) is a FSL_LPUART
[ 1.852732] arm-smmu 5000000.iommu: probing hardware configuration...
[ 1.859220] arm-smmu 5000000.iommu: SMMUv2 with:
[ 1.863864] arm-smmu 5000000.iommu: stage 1 translation
[ 1.869208] arm-smmu 5000000.iommu: stage 2 translation
[ 1.874546] arm-smmu 5000000.iommu: nested translation
[ 1.879796] arm-smmu 5000000.iommu: stream matching with 128
register groups
[ 1.886965] arm-smmu 5000000.iommu: 64 context banks (0 stage-2
only)
[ 1.893528] arm-smmu 5000000.iommu: Supported page sizes: 0x61311000
[ 1.899998] arm-smmu 5000000.iommu: Stage-1: 48-bit VA -> 48-bit IPA
[ 1.906465] arm-smmu 5000000.iommu: Stage-2: 48-bit IPA -> 48-bit PA
[ 1.913437] at24 0-0050: supply vcc not found, using dummy regulator
[ 1.920610] at24 0-0050: 4096 byte 24c32 EEPROM, writable, 32
bytes/write
[ 1.927482] at24 1-0057: supply vcc not found, using dummy regulator
[ 1.934628] at24 1-0057: 8192 byte 24c64 EEPROM, writable, 32
bytes/write
[ 1.941497] at24 2-0050: supply vcc not found, using dummy regulator
[ 1.948627] at24 2-0050: 4096 byte 24c32 EEPROM, writable, 32
bytes/write
[ 1.956186] sl28cpld 0-004a: successfully probed. CPLD version 18
[ 1.963442] gpio_sl28cpld sl28cpld-gpio: registered IRQ 108
[ 1.974650] gpio_sl28cpld sl28cpld-gpio.0: registered IRQ 108
[ 1.986259] irq_sl28cpld sl28cpld-intc: registered IRQ 108
[ 1.991868] mpt3sas version 34.100.00.00 loaded
[ 1.997205] header.nph=2
[ 1.999759] sfdp_size=288
[ 2.002520] spi-nor spi1.0: mx25u3235f (4096 Kbytes)
[ 2.011867] header.nph=0
[ 2.014411] sfdp_size=192
[ 2.017084] spi-nor spi0.0: w25q32dw (4096 Kbytes)
[ 2.023388] 10 fixed-partitions partitions found on MTD device
20c0000.spi
[ 2.030304] Creating 10 MTD partitions on "20c0000.spi":
[ 2.035651] 0x000000000000-0x000000010000 : "rcw"
[ 2.047220] 0x000000010000-0x000000100000 : "failsafe bootloader"
[ 2.063208] 0x000000100000-0x000000140000 : "failsafe DP firmware"
[ 2.071251] 0x000000140000-0x0000001e0000 : "failsafe trusted
firmware"
[ 2.079232] 0x0000001e0000-0x000000200000 : "reserved"
[ 2.087241] 0x000000200000-0x000000210000 : "configuration store"
[ 2.095230] 0x000000210000-0x000000300000 : "bootloader"
[ 2.103241] 0x000000300000-0x000000340000 : "DP firmware"
[ 2.111231] 0x000000340000-0x0000003e0000 : "trusted firmware"
[ 2.119237] 0x0000003e0000-0x000000400000 : "bootloader environment"
[ 2.127850] libphy: Fixed MDIO Bus: probed
[ 2.132127] mscc_felix 0000:00:00.5: Link attempted to 5000000.iommu
0x54
[ 2.138951] mscc_felix 0000:00:00.5: Link done to 5000000.iommu 0x54
2
[ 2.145540] mscc_felix 0000:00:00.5: Adding to iommu group 0
[ 2.151355] mscc_felix 0000:00:00.5: device is disabled, skipping
[ 2.157513] fsl_enetc 0000:00:00.0: Link attempted to 5000000.iommu
0x54
[ 2.164251] fsl_enetc 0000:00:00.0: Link done to 5000000.iommu 0x54 2
[ 2.170741] fsl_enetc 0000:00:00.0: Adding to iommu group 1
[ 2.282925] fsl_enetc 0000:00:00.0: enabling device (0400 -> 0402)
[ 2.289171] fsl_enetc 0000:00:00.0: no MAC address specified for SI1,
using 66:04:52:2b:95:04
[ 2.297738] fsl_enetc 0000:00:00.0: no MAC address specified for SI2,
using ce:b6:68:6e:fe:21
[ 2.306652] libphy: Freescale ENETC MDIO Bus: probed
[ 2.313225] fsl_enetc 0000:00:00.1: Link attempted to 5000000.iommu
0x54
[ 2.319982] fsl_enetc 0000:00:00.1: Link done to 5000000.iommu 0x54 2
[ 2.326486] fsl_enetc 0000:00:00.1: Adding to iommu group 2
[ 2.332170] fsl_enetc 0000:00:00.1: device is disabled, skipping
[ 2.338224] fsl_enetc 0000:00:00.2: Link attempted to 5000000.iommu
0x54
[ 2.344957] fsl_enetc 0000:00:00.2: Link done to 5000000.iommu 0x54 2
[ 2.351448] fsl_enetc 0000:00:00.2: Adding to iommu group 3
[ 2.357120] fsl_enetc 0000:00:00.2: device is disabled, skipping
[ 2.363170] fsl_enetc 0000:00:00.6: Link attempted to 5000000.iommu
0x54
[ 2.369904] fsl_enetc 0000:00:00.6: Link done to 5000000.iommu 0x54 2
[ 2.376394] fsl_enetc 0000:00:00.6: Adding to iommu group 4
[ 2.382065] fsl_enetc 0000:00:00.6: device is disabled, skipping
[ 2.388147] fsl_enetc_mdio 0000:00:00.3: Link attempted to
5000000.iommu 0x54
[ 2.395318] fsl_enetc_mdio 0000:00:00.3: Link done to 5000000.iommu
0x54 2
[ 2.402243] fsl_enetc_mdio 0000:00:00.3: Adding to iommu group 5
[ 2.514920] fsl_enetc_mdio 0000:00:00.3: enabling device (0400 ->
0402)
[ 2.521748] libphy: FSL PCIe IE Central MDIO Bus: probed
[ 2.527121] igb: Intel(R) Gigabit Ethernet Network Driver - version
5.6.0-k
[ 2.534115] igb: Copyright (c) 2007-2014 Intel Corporation.
[ 2.539802] dwc3 3100000.usb: Link attempted to 5000000.iommu 0x54
[ 2.546013] dwc3 3100000.usb: Link done to 5000000.iommu 0x44 1
[ 2.551971] dwc3 3100000.usb: Adding to iommu group 6
[ 2.557322] ------------[ cut here ]------------
[ 2.561963] sup:5000000.iommu - con:3100000.usb f:68 s:1
[ 2.567323] WARNING: CPU: 0 PID: 1 at drivers/base/core.c:923
device_links_driver_bound+0x1ec/0x230
[ 2.576404] Modules linked in:
[ 2.579467] CPU: 0 PID: 1 Comm: swapper/0 Not tainted
5.7.0-rc7-next-20200525-00039-gfb6df8136807-dirty #816
[ 2.589332] Hardware name: Kontron SMARC-sAL28 (Single PHY) on SMARC
Eval 2.0 carrier (DT)
[ 2.597629] pstate: 60000005 (nZCv daif -PAN -UAO BTYPE=--)
[ 2.603220] pc : device_links_driver_bound+0x1ec/0x230
[ 2.608375] lr : device_links_driver_bound+0x1ec/0x230
[ 2.613527] sp : ffff8000111dbb70
[ 2.616847] x29: ffff8000111dbb70 x28: ffff00207a421c10
[ 2.622177] x27: ffff00207a420c90 x26: ffff800010be8100
[ 2.627506] x25: 0000000000000003 x24: ffff00207a420cb0
[ 2.632834] x23: ffff800011039948 x22: ffff8000111dbbd8
[ 2.638164] x21: ffff00207a420c10 x20: ffff8000110d2d80
[ 2.643492] x19: ffff00207a401100 x18: 0000000000000010
[ 2.648820] x17: ffffffffffff3f00 x16: 0000000000007fff
[ 2.654148] x15: ffffffffffffffff x14: 0720072007200720
[ 2.659476] x13: 0720072007200720 x12: 0720072007200720
[ 2.664806] x11: 0720072007200720 x10: 0720072007200720
[ 2.670134] x9 : ffff800010091f64 x8 : 072007380736073a
[ 2.675463] x7 : 000000000000014e x6 : ffff00207ac21f00
[ 2.680791] x5 : 0000000000000000 x4 : 0000000000000000
[ 2.686119] x3 : 00000000ffffffff x2 : ffff80001105b6c8
[ 2.691448] x1 : 1ab261fc7f167400 x0 : 0000000000000000
[ 2.696777] Call trace:
[ 2.699228] device_links_driver_bound+0x1ec/0x230
[ 2.704034] driver_bound+0x70/0xc0
[ 2.707530] really_probe+0x110/0x318
[ 2.711202] driver_probe_device+0x40/0x90
[ 2.715309] device_driver_attach+0x7c/0x88
[ 2.719504] __driver_attach+0x60/0xe8
[ 2.723262] bus_for_each_dev+0x7c/0xd0
[ 2.727108] driver_attach+0x2c/0x38
[ 2.730692] bus_add_driver+0x194/0x1f8
[ 2.734538] driver_register+0x6c/0x128
[ 2.738384] __platform_driver_register+0x50/0x60
[ 2.743104] dwc3_driver_init+0x24/0x30
[ 2.746951] do_one_initcall+0x54/0x298
[ 2.750798] kernel_init_freeable+0x1ec/0x268
[ 2.755169] kernel_init+0x1c/0x118
[ 2.758665] ret_from_fork+0x10/0x1c
[ 2.762251] ---[ end trace 66805623080b2741 ]---
[ 2.766934] dwc3 3110000.usb: Link attempted to 5000000.iommu 0x54
[ 2.773145] dwc3 3110000.usb: Link done to 5000000.iommu 0x44 1
[ 2.779109] dwc3 3110000.usb: Adding to iommu group 7
[ 2.784414] ------------[ cut here ]------------
[ 2.789055] sup:5000000.iommu - con:3110000.usb f:68 s:1
[ 2.794403] WARNING: CPU: 0 PID: 1 at drivers/base/core.c:923
device_links_driver_bound+0x1ec/0x230
[ 2.803483] Modules linked in:
[ 2.806545] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W
5.7.0-rc7-next-20200525-00039-gfb6df8136807-dirty #816
[ 2.817805] Hardware name: Kontron SMARC-sAL28 (Single PHY) on SMARC
Eval 2.0 carrier (DT)
[ 2.826101] pstate: 60000005 (nZCv daif -PAN -UAO BTYPE=--)
[ 2.831691] pc : device_links_driver_bound+0x1ec/0x230
[ 2.836845] lr : device_links_driver_bound+0x1ec/0x230
[ 2.841999] sp : ffff8000111dbb70
[ 2.845320] x29: ffff8000111dbb70 x28: ffff00207a421c10
[ 2.850648] x27: ffff00207a421090 x26: ffff800010be8100
[ 2.855977] x25: 0000000000000003 x24: ffff00207a4210b0
[ 2.861306] x23: ffff800011039948 x22: ffff8000111dbbd8
[ 2.866634] x21: ffff00207a421010 x20: ffff8000110d2d80
[ 2.871962] x19: ffff00207a401180 x18: 0000000000000010
[ 2.877291] x17: ffffffffffff3f00 x16: 0000000000007fff
[ 2.882619] x15: ffffffffffffffff x14: 0720072007200720
[ 2.887947] x13: 0720072007200720 x12: 0720072007200720
[ 2.893275] x11: 0720072007200720 x10: 0720072007200720
[ 2.898603] x9 : ffff800010091f64 x8 : 072007380736073a
[ 2.903931] x7 : 000000000000017c x6 : ffff00207ac21f00
[ 2.909260] x5 : 0000000000000000 x4 : 0000000000000000
[ 2.914589] x3 : 00000000ffffffff x2 : ffff80001105b6c8
[ 2.919918] x1 : 1ab261fc7f167400 x0 : 0000000000000000
[ 2.925246] Call trace:
[ 2.927696] device_links_driver_bound+0x1ec/0x230
[ 2.932501] driver_bound+0x70/0xc0
[ 2.935998] really_probe+0x110/0x318
[ 2.939669] driver_probe_device+0x40/0x90
[ 2.943777] device_driver_attach+0x7c/0x88
[ 2.947971] __driver_attach+0x60/0xe8
[ 2.951730] bus_for_each_dev+0x7c/0xd0
[ 2.955576] driver_attach+0x2c/0x38
[ 2.959160] bus_add_driver+0x194/0x1f8
[ 2.963006] driver_register+0x6c/0x128
[ 2.966852] __platform_driver_register+0x50/0x60
[ 2.971570] dwc3_driver_init+0x24/0x30
[ 2.975415] do_one_initcall+0x54/0x298
[ 2.979262] kernel_init_freeable+0x1ec/0x268
[ 2.983631] kernel_init+0x1c/0x118
[ 2.987128] ret_from_fork+0x10/0x1c
[ 2.990711] ---[ end trace 66805623080b2742 ]---
[ 2.995547] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI)
Driver
[ 3.002107] ehci-pci: EHCI PCI platform driver
[ 3.006755] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller
[ 3.012277] xhci-hcd xhci-hcd.0.auto: new USB bus registered,
assigned bus number 1
[ 3.020107] xhci-hcd xhci-hcd.0.auto: hcc params 0x0220f66d hci
version 0x100 quirks 0x0000000002010010
[ 3.029566] xhci-hcd xhci-hcd.0.auto: irq 21, io mem 0x03100000
[ 3.035880] hub 1-0:1.0: USB hub found
[ 3.039664] hub 1-0:1.0: 1 port detected
[ 3.043707] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller
[ 3.049223] xhci-hcd xhci-hcd.0.auto: new USB bus registered,
assigned bus number 2
[ 3.056919] xhci-hcd xhci-hcd.0.auto: Host supports USB 3.0
SuperSpeed
[ 3.063516] usb usb2: We don't know the algorithms for LPM for this
host, disabling LPM.
[ 3.071852] hub 2-0:1.0: USB hub found
[ 3.075632] hub 2-0:1.0: 1 port detected
[ 3.079706] xhci-hcd xhci-hcd.1.auto: xHCI Host Controller
[ 3.085229] xhci-hcd xhci-hcd.1.auto: new USB bus registered,
assigned bus number 3
[ 3.093068] xhci-hcd xhci-hcd.1.auto: hcc params 0x0220f66d hci
version 0x100 quirks 0x0000000002010010
[ 3.102528] xhci-hcd xhci-hcd.1.auto: irq 22, io mem 0x03110000
[ 3.108793] hub 3-0:1.0: USB hub found
[ 3.112575] hub 3-0:1.0: 1 port detected
[ 3.116614] xhci-hcd xhci-hcd.1.auto: xHCI Host Controller
[ 3.122130] xhci-hcd xhci-hcd.1.auto: new USB bus registered,
assigned bus number 4
[ 3.129825] xhci-hcd xhci-hcd.1.auto: Host supports USB 3.0
SuperSpeed
[ 3.136418] usb usb4: We don't know the algorithms for LPM for this
host, disabling LPM.
[ 3.144757] hub 4-0:1.0: USB hub found
[ 3.148618] hub 4-0:1.0: 1 port detected
[ 3.152749] usbcore: registered new interface driver usb-storage
[ 3.158957] input: buttons1 as
/devices/platform/buttons1/input/input0
[ 3.166848] rtc-rv8803 0-0032: Voltage low, temperature compensation
stopped.
[ 3.174018] rtc-rv8803 0-0032: Voltage low, data loss detected.
[ 3.181022] rtc-rv8803 0-0032: Voltage low, data is invalid.
[ 3.186864] rtc-rv8803 0-0032: registered as rtc0
[ 3.192191] rtc-rv8803 0-0032: Voltage low, data is invalid.
[ 3.197879] rtc-rv8803 0-0032: hctosys: unable to read the hardware
clock
[ 3.204782] i2c /dev entries driver
[ 3.214327] sp805-wdt c000000.watchdog: registration successful
[ 3.220407] sp805-wdt c010000.watchdog: registration successful
[ 3.228138] sl28cpld_wdt sl28cpld-wdt: initial timeout 6 sec
[ 3.234397] qoriq-cpufreq qoriq-cpufreq: Freescale QorIQ CPU
frequency scaling driver
[ 3.242965] sdhci: Secure Digital Host Controller Interface driver
[ 3.249219] sdhci: Copyright(c) Pierre Ossman
[ 3.253631] sdhci-pltfm: SDHCI platform and OF driver helper
[ 3.260243] sdhci-esdhc 2140000.mmc: Link attempted to 5000000.iommu
0x54
[ 3.267129] sdhci-esdhc 2140000.mmc: Link done to 5000000.iommu 0x44
1
[ 3.273785] sdhci-esdhc 2140000.mmc: Adding to iommu group 8
[ 3.306689] mmc0: SDHCI controller on 2140000.mmc [2140000.mmc] using
ADMA
[ 3.313896] ------------[ cut here ]------------
[ 3.318800] sup:5000000.iommu - con:2140000.mmc f:68 s:1
[ 3.324925] WARNING: CPU: 0 PID: 1 at drivers/base/core.c:923
device_links_driver_bound+0x1ec/0x230
[ 3.334038] Modules linked in:
[ 3.337128] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W
5.7.0-rc7-next-20200525-00039-gfb6df8136807-dirty #816
[ 3.348423] Hardware name: Kontron SMARC-sAL28 (Single PHY) on SMARC
Eval 2.0 carrier (DT)
[ 3.356753] pstate: 60000005 (nZCv daif -PAN -UAO BTYPE=--)
[ 3.362371] pc : device_links_driver_bound+0x1ec/0x230
[ 3.367551] lr : device_links_driver_bound+0x1ec/0x230
[ 3.372725] sp : ffff8000111dbb70
[ 3.376064] x29: ffff8000111dbb70 x28: ffff00207a421c10
[ 3.381422] x27: ffff00207a41a490 x26: ffff800010be8100
[ 3.386779] x25: 0000000000000003 x24: ffff00207a41a4b0
[ 3.392133] x23: ffff800011039948 x22: ffff8000111dbbd8
[ 3.397487] x21: ffff00207a41a410 x20: ffff8000110d2d80
[ 3.402840] x19: ffff00207affdf00 x18: 0000000000000001
[ 3.408194] x17: 0000000000000000 x16: 0000000000000003
[ 3.413548] x15: ffffffffffffffff x14: ffff800011039948
[ 3.418902] x13: ffff002079dd2084 x12: ffff002079dd2080
[ 3.424255] x11: 0000000000000000 x10: 00000000000009f0
[ 3.429609] x9 : ffff800010091f64 x8 : ffff00207ae50a50
[ 3.434962] x7 : 00000000ffffffff x6 : 0000000000000001
[ 3.440315] x5 : 0000000000099b88 x4 : 0000000000000000
[ 3.445668] x3 : ffff80206e9df000 x2 : ffff80001105b6c8
[ 3.451021] x1 : 1ab261fc7f167400 x0 : 0000000000000000
[ 3.456375] Call trace:
[ 3.458851] device_links_driver_bound+0x1ec/0x230
[ 3.463683] driver_bound+0x70/0xc0
[ 3.467203] really_probe+0x110/0x318
[ 3.470900] driver_probe_device+0x40/0x90
[ 3.475032] device_driver_attach+0x7c/0x88
[ 3.479252] __driver_attach+0x60/0xe8
[ 3.483034] bus_for_each_dev+0x7c/0xd0
[ 3.486903] driver_attach+0x2c/0x38
[ 3.490510] bus_add_driver+0x194/0x1f8
[ 3.494381] driver_register+0x6c/0x128
[ 3.498249] __platform_driver_register+0x50/0x60
[ 3.502992] sdhci_esdhc_driver_init+0x24/0x30
[ 3.507472] do_one_initcall+0x54/0x298
[ 3.511345] kernel_init_freeable+0x1ec/0x268
[ 3.515738] kernel_init+0x1c/0x118
[ 3.519259] ret_from_fork+0x10/0x1c
[ 3.522862] ---[ end trace 66805623080b2743 ]---
[ 3.527989] sdhci-esdhc 2150000.mmc: Link attempted to 5000000.iommu
0x54
[ 3.534939] sdhci-esdhc 2150000.mmc: Link done to 5000000.iommu 0x44
1
[ 3.541787] sdhci-esdhc 2150000.mmc: Adding to iommu group 9
[ 3.574704] mmc1: SDHCI controller on 2150000.mmc [2150000.mmc] using
ADMA
[ 3.581851] ------------[ cut here ]------------
[ 3.586858] sup:5000000.iommu - con:2150000.mmc f:68 s:1
[ 3.592435] usb 3-1: new high-speed USB device number 2 using
xhci-hcd
[ 3.599148] WARNING: CPU: 1 PID: 1 at drivers/base/core.c:923
device_links_driver_bound+0x1ec/0x230
[ 3.608262] Modules linked in:
[ 3.611355] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G W
5.7.0-rc7-next-20200525-00039-gfb6df8136807-dirty #816
[ 3.622650] Hardware name: Kontron SMARC-sAL28 (Single PHY) on SMARC
Eval 2.0 carrier (DT)
[ 3.630981] pstate: 60000005 (nZCv daif -PAN -UAO BTYPE=--)
[ 3.636600] pc : device_links_driver_bound+0x1ec/0x230
[ 3.641779] lr : device_links_driver_bound+0x1ec/0x230
[ 3.646953] sp : ffff8000111dbb70
[ 3.650292] x29: ffff8000111dbb70 x28: ffff00207a421c10
[ 3.655651] x27: ffff00207a41a890 x26: ffff800010be8100
[ 3.661007] x25: 0000000000000003 x24: ffff00207a41a8b0
[ 3.666362] x23: ffff800011039948 x22: ffff8000111dbbd8
[ 3.671716] x21: ffff00207a41a810 x20: ffff8000110d2d80
[ 3.677071] x19: ffff00207affdf80 x18: 0000000000000001
[ 3.682426] x17: 0000000000000001 x16: 0000000000000003
[ 3.687780] x15: 0000000000000000 x14: 0000000000000051
[ 3.693133] x13: 0000000000000002 x12: 0000000000000038
[ 3.697688] mmc1: new HS400 MMC card at address 0001
[ 3.698486] x11: 0000000000000040 x10: 00000000000009f0
[ 3.704340] random: fast init done
[ 3.708834] x9 : ffff800010091f64 x8 : ffff00207ae50a50
[ 3.717608] x7 : ffff80206e9fd000 x6 : 0000000000000001
[ 3.722962] x5 : 0000000000000000 x4 : 0000000000000000
[ 3.728317] x3 : ffff80206e9fd000 x2 : ffff80001105b6c8
[ 3.733671] x1 : 1ab261fc7f167400 x0 : 0000000000000000
[ 3.739024] Call trace:
[ 3.741500] device_links_driver_bound+0x1ec/0x230
[ 3.746332] driver_bound+0x70/0xc0
[ 3.748938] mmc0: new ultra high speed SDR104 SDHC card at address
1234
[ 3.749852] really_probe+0x110/0x318
[ 3.749871] driver_probe_device+0x40/0x90
[ 3.764329] device_driver_attach+0x7c/0x88
[ 3.768549] __driver_attach+0x60/0xe8
[ 3.772330] bus_for_each_dev+0x7c/0xd0
[ 3.776199] driver_attach+0x2c/0x38
[ 3.779807] bus_add_driver+0x194/0x1f8
[ 3.783677] driver_register+0x6c/0x128
[ 3.787544] __platform_driver_register+0x50/0x60
[ 3.792287] sdhci_esdhc_driver_init+0x24/0x30
[ 3.796768] do_one_initcall+0x54/0x298
[ 3.800641] kernel_init_freeable+0x1ec/0x268
[ 3.805035] kernel_init+0x1c/0x118
[ 3.808553] ret_from_fork+0x10/0x1c
[ 3.812157] ---[ end trace 66805623080b2744 ]---
[ 3.818250] mmcblk0: mmc0:1234 SA16G 14.4 GiB
[ 3.818559] usbcore: registered new interface driver usbhid
[ 3.828515] usbhid: USB HID core driver
[ 3.829035] mmcblk1: mmc1:0001 S0J58X 29.6 GiB
[ 3.833593] wm8904 2-001a: supply DCVDD not found, using dummy
regulator
[ 3.837947] mmcblk1boot0: mmc1:0001 S0J58X partition 1 31.5 MiB
[ 3.843995] wm8904 2-001a: supply DBVDD not found, using dummy
regulator
[ 3.850718] mmcblk1boot1: mmc1:0001 S0J58X partition 2 31.5 MiB
[ 3.856797] wm8904 2-001a: supply AVDD not found, using dummy
regulator
[ 3.862959] mmcblk0: p1
[ 3.869617] wm8904 2-001a: supply CPVDD not found, using dummy
regulator
[ 3.872910] hub 3-1:1.0: USB hub found
[ 3.879123] wm8904 2-001a: supply MICVDD not found, using dummy
regulator
[ 3.883857] mmcblk1rpmb: mmc1:0001 S0J58X partition 3 4.00 MiB,
chardev (245:0)
[ 3.897058] hub 3-1:1.0: 7 ports detected
[ 3.902234] wm8904 2-001a: revision A
[ 3.907845] mmcblk1: p1 p2
[ 3.921676] NET: Registered protocol family 10
[ 3.927906] Segment Routing with IPv6
[ 3.932235] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 3.939199] NET: Registered protocol family 17
[ 3.943821] Bridge firewalling registered
[ 3.948171] 8021q: 802.1Q VLAN Support v1.8
[ 3.952510] Key type dns_resolver registered
[ 3.957237] registered taskstats version 1
[ 3.961422] Loading compiled-in X.509 certificates
[ 3.972179] fsl-edma 22c0000.dma-controller: Link attempted to
5000000.iommu 0x54
[ 3.979821] fsl-edma 22c0000.dma-controller: Link done to
5000000.iommu 0x44 1
[ 3.987203] fsl-edma 22c0000.dma-controller: Adding to iommu group 10
[ 3.996584] ------------[ cut here ]------------
[ 4.001284] sup:5000000.iommu - con:22c0000.dma-controller f:68 s:1
[ 4.007691] WARNING: CPU: 1 PID: 23 at drivers/base/core.c:923
device_links_driver_bound+0x1ec/0x230
[ 4.016888] Modules linked in:
[ 4.019983] CPU: 1 PID: 23 Comm: kworker/1:1 Tainted: G W
5.7.0-rc7-next-20200525-00039-gfb6df8136807-dirty #816
[ 4.031540] Hardware name: Kontron SMARC-sAL28 (Single PHY) on SMARC
Eval 2.0 carrier (DT)
[ 4.039877] Workqueue: events deferred_probe_work_func
[ 4.045062] pstate: 60000005 (nZCv daif -PAN -UAO BTYPE=--)
[ 4.050680] pc : device_links_driver_bound+0x1ec/0x230
[ 4.055860] lr : device_links_driver_bound+0x1ec/0x230
[ 4.061033] sp : ffff800011fb3b70
[ 4.064373] x29: ffff800011fb3b70 x28: ffff00207a421c10
[ 4.069731] x27: ffff00207a41bc90 x26: ffff800010be8100
[ 4.075087] x25: 0000000000000003 x24: ffff00207a41bcb0
[ 4.080442] x23: ffff800011039948 x22: ffff800011fb3bd8
[ 4.085797] x21: ffff00207a41bc10 x20: ffff8000110d2d80
[ 4.091151] x19: ffff00207a401080 x18: 0000000000000010
[ 4.096506] x17: 000000003b471451 x16: 00000000c282b760
[ 4.101861] x15: ffffffffffffffff x14: 0720072007200720
[ 4.107215] x13: 0720072007200720 x12: 072007200731073a
[ 4.112570] x11: 0773072007380736 x10: 073a076607200772
[ 4.117924] x9 : ffff800010091f64 x8 : 07720774076e076f
[ 4.123279] x7 : 0000000000000250 x6 : ffff00207ac21f00
[ 4.128633] x5 : 0000000000000000 x4 : 0000000000000000
[ 4.133987] x3 : 00000000ffffffff x2 : ffff80001105b6c8
[ 4.139340] x1 : 1ab261fc7f167400 x0 : 0000000000000000
[ 4.144694] Call trace:
[ 4.147170] device_links_driver_bound+0x1ec/0x230
[ 4.152003] driver_bound+0x70/0xc0
[ 4.155524] really_probe+0x110/0x318
[ 4.159221] driver_probe_device+0x40/0x90
[ 4.163355] __device_attach_driver+0x8c/0xd0
[ 4.167748] bus_for_each_drv+0x84/0xd8
[ 4.171617] __device_attach+0xd4/0x110
[ 4.175487] device_initial_probe+0x1c/0x28
[ 4.179706] bus_probe_device+0xa4/0xb0
[ 4.183576] deferred_probe_work_func+0x7c/0xb8
[ 4.188148] process_one_work+0x1f4/0x4b8
[ 4.192194] worker_thread+0x218/0x498
[ 4.195978] kthread+0x160/0x168
[ 4.199237] ret_from_fork+0x10/0x1c
[ 4.202841] ---[ end trace 66805623080b2746 ]---
[ 4.207699] pcieport 0001:00:00.0: Link attempted to 5000000.iommu
0x54
[ 4.214416] pcieport 0001:00:00.0: Link done to 5000000.iommu 0x54 2
[ 4.220935] pcieport 0001:00:00.0: Adding to iommu group 11
[ 4.227403] pcieport 0001:00:00.0: AER: enabled with IRQ 24
[ 4.233376] pcieport 0002:00:00.0: Link attempted to 5000000.iommu
0x54
[ 4.240093] pcieport 0002:00:00.0: Link done to 5000000.iommu 0x54 2
[ 4.246616] pcieport 0002:00:00.0: Adding to iommu group 12
[ 4.253011] pcieport 0002:00:00.0: AER: enabled with IRQ 26
[ 4.259133] fsl-qdma 8380000.dma-controller: Link attempted to
5000000.iommu 0x54
[ 4.266717] fsl-qdma 8380000.dma-controller: Link done to
5000000.iommu 0x44 1
[ 4.266986] usb 3-1.6: new full-speed USB device number 3 using
xhci-hcd
[ 4.274077] fsl-qdma 8380000.dma-controller: Adding to iommu group 13
[ 4.288640] ------------[ cut here ]------------
[ 4.293339] sup:5000000.iommu - con:8380000.dma-controller f:68 s:1
[ 4.299740] WARNING: CPU: 1 PID: 23 at drivers/base/core.c:923
device_links_driver_bound+0x1ec/0x230
[ 4.308937] Modules linked in:
[ 4.312029] CPU: 1 PID: 23 Comm: kworker/1:1 Tainted: G W
5.7.0-rc7-next-20200525-00039-gfb6df8136807-dirty #816
[ 4.323583] Hardware name: Kontron SMARC-sAL28 (Single PHY) on SMARC
Eval 2.0 carrier (DT)
[ 4.331920] Workqueue: events deferred_probe_work_func
[ 4.337105] pstate: 60000005 (nZCv daif -PAN -UAO BTYPE=--)
[ 4.342722] pc : device_links_driver_bound+0x1ec/0x230
[ 4.347900] lr : device_links_driver_bound+0x1ec/0x230
[ 4.353074] sp : ffff800011fb3b70
[ 4.356413] x29: ffff800011fb3b70 x28: ffff00207a421c10
[ 4.361769] x27: ffff00207a422090 x26: ffff800010be8100
[ 4.367123] x25: 0000000000000003 x24: ffff00207a4220b0
[ 4.372477] x23: ffff800011039948 x22: ffff800011fb3bd8
[ 4.377831] x21: ffff00207a422010 x20: ffff8000110d2d80
[ 4.383185] x19: ffff00207a401300 x18: 0000000000000010
[ 4.388540] x17: 000000003b471451 x16: 00000000c282b760
[ 4.393893] x15: ffffffffffffffff x14: 0720072007200720
[ 4.399247] x13: 0720072007200720 x12: 072007200731073a
[ 4.404601] x11: 0773072007380736 x10: 073a076607200772
[ 4.409953] x9 : ffff800010091f64 x8 : 07720774076e076f
[ 4.415307] x7 : 0000000000000286 x6 : ffff00207ac21f00
[ 4.420661] x5 : 0000000000000000 x4 : 0000000000000000
[ 4.426014] x3 : 00000000ffffffff x2 : ffff80001105b6c8
[ 4.431368] x1 : 1ab261fc7f167400 x0 : 0000000000000000
[ 4.436720] Call trace:
[ 4.439194] device_links_driver_bound+0x1ec/0x230
[ 4.444025] driver_bound+0x70/0xc0
[ 4.447546] really_probe+0x110/0x318
[ 4.451241] driver_probe_device+0x40/0x90
[ 4.455374] __device_attach_driver+0x8c/0xd0
[ 4.459767] bus_for_each_drv+0x84/0xd8
[ 4.463637] __device_attach+0xd4/0x110
[ 4.467508] device_initial_probe+0x1c/0x28
[ 4.471727] bus_probe_device+0xa4/0xb0
[ 4.475598] deferred_probe_work_func+0x7c/0xb8
[ 4.480171] process_one_work+0x1f4/0x4b8
[ 4.484217] worker_thread+0x218/0x498
[ 4.488000] kthread+0x160/0x168
[ 4.491258] ret_from_fork+0x10/0x1c
[ 4.494860] ---[ end trace 66805623080b2747 ]---
[ 4.506099] asoc-simple-card sound: wm8904-hifi <->
f150000.audio-controller mapping ok
[ 4.516423] asoc-simple-card sound: wm8904-hifi <->
f140000.audio-controller mapping ok
[ 4.524640] asoc-simple-card sound: ASoC: no DMI vendor name!
[ 4.536154] input: buttons0 as
/devices/platform/buttons0/input/input1
[ 4.543482] ALSA device list:
[ 4.546485] #0: f150000.audio-controller-wm8904-hifi
[ 4.556559] EXT4-fs (mmcblk1p2): INFO: recovery required on readonly
filesystem
[ 4.563980] EXT4-fs (mmcblk1p2): write access will be enabled during
recovery
[ 4.593873] EXT4-fs (mmcblk1p2): recovery complete
[ 4.600997] EXT4-fs (mmcblk1p2): mounted filesystem with ordered data
mode. Opts: (null)
[ 4.609274] VFS: Mounted root (ext4 filesystem) readonly on device
179:34.
[ 4.616849] devtmpfs: mounted
[ 4.630806] Freeing unused kernel memory: 3328K
[ 4.635633] Run /sbin/init as init process
[ 4.639794] with arguments:
[ 4.642787] /sbin/init
[ 4.645540] with environment:
[ 4.648732] HOME=/
[ 4.651137] TERM=linux
[ 4.703603] EXT4-fs (mmcblk1p2): re-mounted. Opts: (null)
[ 4.870886] udevd[131]: starting version 3.2.8
[ 4.877666] random: udevd: uninitialized urandom read (16 bytes read)
[ 4.885558] random: udevd: uninitialized urandom read (16 bytes read)
[ 4.892231] random: udevd: uninitialized urandom read (16 bytes read)
[ 4.903984] udevd[131]: specified group 'kvm' unknown
[ 4.931812] udevd[132]: starting eudev-3.2.8
[ 7.218596] fsl_enetc 0000:00:00.0 gbe0: renamed from eth0
[ 10.127116] urandom_read: 3 callbacks suppressed
[ 10.127128] random: dd: uninitialized urandom read (512 bytes read)
[ 10.288166] 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)
[ 10.323322] fsl_enetc 0000:00:00.0 gbe0: Link is Down
[ 10.384814] random: dropbear: uninitialized urandom read (32 bytes
read)
[ 16.451528] fsl_enetc 0000:00:00.0 gbe0: Link is Up - 1Gbps/Full -
flow control off
[ 16.459327] IPv6: ADDRCONF(NETDEV_CHANGE): gbe0: link becomes ready
-michael
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