Re: Tegra DRM driver is not probing with 4.12 on tegra124

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Eh.... on the chance that this is related: I gave running 4.12 on the
Jetson TX1 a shot [1] and got "kernel BUG at
./include/linux/mm.h:466!". Nouveau's in the stacktrace. I've attached
the dmesg.

[    9.191679] ------------[ cut here ]------------
[    9.196284] kernel BUG at ./include/linux/mm.h:466!
[    9.201152] Internal error: Oops - BUG: 0 [#1] SMP
[    9.205930] Modules linked in: panel_simple tegra_drm nouveau(+)
cdc_ether usbnet i2c_algo_bit r8152 ttm mii drm_kms_helper drm host1x
syscopyarea sysfillrect sysimgblt lp855x_bl fb_sys_fops tegra_soctherm
pwm_tegra gpio_keys
[    9.225932] CPU: 1 PID: 353 Comm: systemd-udevd Not tainted 4.12.0-1-ARCH #6
[    9.225938] Hardware name: NVIDIA Jetson TX1 Developer Kit (DT)
[    9.225942] task: ffff8000fe823400 task.stack: ffff8000f4048000
[    9.225951] PC is at __free_pages+0x88/0x90
[    9.225955] LR is at __free_pages+0x88/0x90

...

[    9.226029] Process systemd-udevd (pid: 353, stack limit =
0xffff8000f4048000)

...

[    9.226285] Call trace:
[    9.226289] Exception stack(0xffff8000f404b470 to 0xffff8000f404b5a0)

...

[    9.226327] [<ffff0000081e5b20>] __free_pages+0x88/0x90
[    9.226333] [<ffff0000081e8ff4>] free_contig_range+0x8c/0xe0
[    9.226341] [<ffff00000825f06c>] cma_release+0x8c/0x180
[    9.226348] [<ffff00000876cd34>] dma_release_from_contiguous+0x64/0x78
[    9.226355] [<ffff000008095b1c>] __dma_free_coherent.isra.10+0x5c/0xc8
[    9.226358] [<ffff000008095bf8>] __dma_free+0x70/0xb0
[    9.226722] [<ffff000001566ea4>] gk20a_instobj_dtor_dma+0xac/0x118 [nouveau]
[    9.227077] [<ffff000001513e0c>] nvkm_memory_del+0x34/0x58 [nouveau]
[    9.227426] [<ffff00000156a3ec>] nvkm_vm_unmap_pgt+0xbc/0xe8 [nouveau]
[    9.227773] [<ffff00000156acb4>] nvkm_vm_put+0x8c/0xf0 [nouveau]
[    9.228124] [<ffff0000015d5760>] nouveau_bo_vma_del+0x88/0xa0 [nouveau]
[    9.228464] [<ffff0000015eb938>] nouveau_channel_del+0x78/0xd8 [nouveau]
[    9.228803] [<ffff0000015ebe6c>] nouveau_channel_new+0x25c/0x688 [nouveau]
[    9.229144] [<ffff0000015cf484>] nouveau_drm_load+0x5a4/0x840 [nouveau]
[    9.229236] [<ffff00000108a524>] drm_dev_register+0x15c/0x1f8 [drm]
[    9.229601] [<ffff0000015d1224>] nouveau_platform_probe+0x4c/0x80 [nouveau]
[    9.229610] [<ffff000008765070>] platform_drv_probe+0x60/0xc0
[    9.229615] [<ffff0000087627e4>] driver_probe_device+0x334/0x470
[    9.229619] [<ffff0000087629fc>] __driver_attach+0xdc/0x128
[    9.229623] [<ffff00000875fe3c>] bus_for_each_dev+0x5c/0xa8
[    9.229627] [<ffff000008761e98>] driver_attach+0x30/0x40
[    9.229631] [<ffff000008761858>] bus_add_driver+0x220/0x2c0
[    9.229635] [<ffff000008763784>] driver_register+0x6c/0x118
[    9.229639] [<ffff000008764fac>] __platform_driver_register+0x54/0x60
[    9.229979] [<ffff000001710164>] nouveau_drm_init+0x164/0x10000 [nouveau]
[    9.229985] [<ffff000008083634>] do_one_initcall+0x44/0x138
[    9.229991] [<ffff0000081da43c>] do_init_module+0x64/0x1c8
[    9.229997] [<ffff000008168284>] load_module+0x12ec/0x14b0
[    9.230002] [<ffff0000081685a0>] SyS_init_module+0x158/0x1e0
[    9.230005] [<ffff00000808344c>] __sys_trace_return+0x0/0x4
[    9.230012] Code: aa1303e0 d0007121 910ea021 9400b677 (d4210000)


[1] The ArchLinuxARM kernel with minor changes.
https://github.com/aleden/PKGBUILDs/blob/9dd47117b28bc8b37fbf35f8064ee81a4ec10dbd/core/linux-aarch64/config

On Thu, Jul 6, 2017 at 12:58 PM, Anthony Eden <aeden@xxxxxxxxxxxxx> wrote:
> I'm seeing the same on nyan-big and jetson-tk1 with ArchlinuxARM
> (linux-armv7 4.12 kernel). I sent an email to linux-tegra yesterday
> about it.
>
> Thank's for investigating and let me know if there's anything I can do to aid.
>
> My nyan-big chromebook otherwise works very well with the ArchlinuxARM
> 4.11 kernel. Maybe I'll try to get the u-boot reading the eMMC so I
> don't have to boot the kernel off of a USB drive...
>
> -Anthony
>
> On Thu, Jul 6, 2017 at 12:21 PM, Jon Hunter <jonathanh@xxxxxxxxxx> wrote:
>> Hi Paul
>>
>> On 06/07/17 17:15, Paul Kocialkowski wrote:
>>> * PGP Signed by an unknown key
>>>
>>> As I was investigating why my nyan_big's screen was staying dark when testing
>>> 4.12, it appeared that the tegra drm driver does not get probed at all on my
>>> setup (read: host1x_drm_probe never gets called). I have also tested on jetson-
>>> tk1, with the same result.
>>>
>>> I am using a finely-tuned out-of-tree config[0], but it appears (from looking at
>>> the lack of drm line in the logs) that the same is happening with the tegra and
>>> multi_v7 defconfigs hooked to kernelci.
>>>
>>> First, I am wondering whether the tegra drm driver is probing for anyone
>>> following this list on any tegra124 device with 4.12. If so, feel free to raise
>>> your voice so we can find out what is wrong with my setup.
>>>
>>> I initially thought that it was caused by missing firmwares (that are now needed
>>> for falcon/vic support), but disabling that (by removing the &tegra_vic_driver
>>> entry and associated compatible string in drm.c) does not help.
>>>
>>> Hopefully, I will have time to run a bisect this week-end and identify the
>>> commit that introduced the regression. It would be quite important to get this
>>> fixed for the 4.13 release.
>>
>> I have bisected this to ...
>>
>> commit 700ea5e0e0dd70420a04e703ff264cc133834cba
>> Merge: 3dc2046ca78b c1ae3cfa0e89
>> Author: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
>> Date:   Mon Mar 6 06:49:34 2017 -0300
>>
>>     Merge tag 'v4.11-rc1' into patchwork
>>
>> I am not sure if something went wrong with the above merge, but it
>> definitely seems to be coming from the media tree [0].
>>
>> Cheers
>> Jon
>>
>> [0] https://git.linuxtv.org/media_tree.git/
>>
>> --
>> nvpublic
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-tegra" in
>> the body of a message to majordomo@xxxxxxxxxxxxxxx
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 4.12.0-1-ARCH (aeden@jaar) (gcc version 7.1.1 20170516 (GCC) ) #6 SMP Thu Jul 6 16:19:08 EDT 2017
[    0.000000] Boot CPU: AArch64 Processor [411fd071]
[    0.000000] Machine model: NVIDIA Jetson TX1 Developer Kit
[    0.000000] efi: Getting EFI parameters from FDT:
[    0.000000] efi: UEFI not found.
[    0.000000] cma: Reserved 512 MiB at 0x00000000c0000000
[    0.000000] On node 0 totalpages: 57344
[    0.000000]   DMA zone: 24 pages used for memmap
[    0.000000]   DMA zone: 0 pages reserved
[    0.000000]   DMA zone: 24576 pages, LIFO batch:1
[    0.000000]   Normal zone: 32 pages used for memmap
[    0.000000]   Normal zone: 32768 pages, LIFO batch:1
[    0.000000] psci: probing for conduit method from DT.
[    0.000000] psci: PSCIv0.2 detected in firmware.
[    0.000000] psci: Using standard PSCI v0.2 function IDs
[    0.000000] psci: MIGRATE_INFO_TYPE not supported.
[    0.000000] percpu: Embedded 3 pages/cpu @ffff8000ffe60000 s125336 r8192 d63080 u196608
[    0.000000] pcpu-alloc: s125336 r8192 d63080 u196608 alloc=3*65536
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 
[    0.000000] Detected PIPT I-cache on CPU0
[    0.000000] CPU features: enabling workaround for ARM erratum 832075
[    0.000000] CPU features: enabling workaround for ARM erratum 834220
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 57288
[    0.000000] Kernel command line: console=ttyS0,115200n8 root=/dev/sda1 rootfstype=ext4 rootwait
[    0.000000] PID hash table entries: 4096 (order: -1, 32768 bytes)
[    0.000000] Dentry cache hash table entries: 524288 (order: 6, 4194304 bytes)
[    0.000000] Inode-cache hash table entries: 262144 (order: 5, 2097152 bytes)
[    0.000000] software IO TLB [mem 0xbbff0000-0xbfff0000] (64MB) mapped at [ffff80003bff0000-ffff80003ffeffff]
[    0.000000] Memory: 3031104K/3670016K available (12028K kernel code, 2396K rwdata, 5568K rodata, 1536K init, 1277K bss, 114624K reserved, 524288K cma-reserved)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     modules : 0xffff000000000000 - 0xffff000008000000   (   128 MB)
[    0.000000]     vmalloc : 0xffff000008000000 - 0xffff7bdfffff0000   (126847 GB)
[    0.000000]       .text : 0xffff000008080000 - 0xffff000008c40000   ( 12032 KB)
[    0.000000]     .rodata : 0xffff000008c40000 - 0xffff0000091c0000   (  5632 KB)
[    0.000000]       .init : 0xffff0000091c0000 - 0xffff000009340000   (  1536 KB)
[    0.000000]       .data : 0xffff000009340000 - 0xffff000009597200   (  2397 KB)
[    0.000000]        .bss : 0xffff000009597200 - 0xffff0000096d66e4   (  1278 KB)
[    0.000000]     fixed   : 0xffff7fdffe7d0000 - 0xffff7fdffec00000   (  4288 KB)
[    0.000000]     PCI I/O : 0xffff7fdffee00000 - 0xffff7fdfffe00000   (    16 MB)
[    0.000000]     vmemmap : 0xffff7fe000000000 - 0xffff800000000000   (   128 GB maximum)
[    0.000000]               0xffff7fe000000000 - 0xffff7fe000400000   (     4 MB actual)
[    0.000000]     memory  : 0xffff800000000000 - 0xffff800100000000   (  4096 MB)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] ftrace: allocating 43415 entries in 11 pages
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=4.
[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
[    0.000000] NR_IRQS:64 nr_irqs:64 0
[    0.000000] GIC: Using split EOI/Deactivate mode
[    0.000000] /interrupt-controller@60004000: 192 interrupts forwarded to /interrupt-controller@50041000
[    0.000000] boot misc1 0x0: expected 0x20
[    0.000000]  (comparison mask = 0xffffff)
[    0.000000] PLL_X already enabled. Postponing set full defaults
[    0.000000] arch_timer: cp15 timer(s) running at 19.20MHz (phys).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns
[    0.000003] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns
[    0.000133] Console: colour dummy device 80x25
[    0.000151] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000)
[    0.000161] pid_max: default: 32768 minimum: 301
[    0.000533] Security Framework initialized
[    0.000541] Yama: becoming mindful.
[    0.000610] Mount-cache hash table entries: 8192 (order: 0, 65536 bytes)
[    0.000617] Mountpoint-cache hash table entries: 8192 (order: 0, 65536 bytes)
[    0.001677] ASID allocator initialised with 65536 entries
[    0.003833] Speedo Revision 4
[    0.003854] Tegra Revision: A02 SKU: 23 CPU Process: -22 SoC Process: -22
[    0.004439] OF: ERROR: Bad of_node_put() on /pmc@7000e400/powergates/xusba
[    0.004448] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.12.0-1-ARCH #6
[    0.004453] Hardware name: NVIDIA Jetson TX1 Developer Kit (DT)
[    0.004458] Call trace:
[    0.004472] [<ffff000008088498>] dump_backtrace+0x0/0x250
[    0.004480] [<ffff00000808870c>] show_stack+0x24/0x30
[    0.004491] [<ffff00000856aaa0>] dump_stack+0x9c/0xbc
[    0.004501] [<ffff000008a22bd8>] of_node_release+0xc0/0xc8
[    0.004507] [<ffff00000856c538>] kobject_put+0x90/0x1f8
[    0.004514] [<ffff000008a21e8c>] of_node_put+0x24/0x30
[    0.004521] [<ffff000008a1d36c>] __of_get_next_child+0x4c/0x70
[    0.004526] [<ffff000008a1d3d0>] of_get_next_child+0x40/0x68
[    0.004536] [<ffff0000092191e8>] tegra_pmc_early_init+0x524/0x5a4
[    0.004542] [<ffff000008083634>] do_one_initcall+0x44/0x138
[    0.004551] [<ffff0000091c0d88>] kernel_init_freeable+0xe0/0x248
[    0.004559] [<ffff000008c2ff70>] kernel_init+0x18/0x108
[    0.004565] [<ffff0000080833b0>] ret_from_fork+0x10/0x20
[    0.004597] OF: ERROR: Bad of_node_put() on /pmc@7000e400/powergates/xusbc
[    0.004603] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.12.0-1-ARCH #6
[    0.004607] Hardware name: NVIDIA Jetson TX1 Developer Kit (DT)
[    0.004611] Call trace:
[    0.004618] [<ffff000008088498>] dump_backtrace+0x0/0x250
[    0.004624] [<ffff00000808870c>] show_stack+0x24/0x30
[    0.004630] [<ffff00000856aaa0>] dump_stack+0x9c/0xbc
[    0.004636] [<ffff000008a22bd8>] of_node_release+0xc0/0xc8
[    0.004642] [<ffff00000856c538>] kobject_put+0x90/0x1f8
[    0.004648] [<ffff000008a21e8c>] of_node_put+0x24/0x30
[    0.004654] [<ffff000008a1d36c>] __of_get_next_child+0x4c/0x70
[    0.004660] [<ffff000008a1d3d0>] of_get_next_child+0x40/0x68
[    0.004665] [<ffff0000092191e8>] tegra_pmc_early_init+0x524/0x5a4
[    0.004671] [<ffff000008083634>] do_one_initcall+0x44/0x138
[    0.004678] [<ffff0000091c0d88>] kernel_init_freeable+0xe0/0x248
[    0.004683] [<ffff000008c2ff70>] kernel_init+0x18/0x108
[    0.004689] [<ffff0000080833b0>] ret_from_fork+0x10/0x20
[    0.004784] EFI services will not be available.
[    0.004951] smp: Bringing up secondary CPUs ...
[    0.005217] Detected PIPT I-cache on CPU1
[    0.005254] CPU1: Booted secondary processor [411fd071]
[    0.005530] Detected PIPT I-cache on CPU2
[    0.005554] CPU2: Booted secondary processor [411fd071]
[    0.005826] Detected PIPT I-cache on CPU3
[    0.005850] CPU3: Booted secondary processor [411fd071]
[    0.005894] smp: Brought up 1 node, 4 CPUs
[    0.005910] SMP: Total of 4 processors activated.
[    0.005917] CPU features: detected feature: 32-bit EL0 Support
[    0.006016] CPU: All CPU(s) started at EL2
[    0.006034] alternatives: patching kernel code
[    0.008573] devtmpfs: initialized
[    0.014503] DMI not present or invalid.
[    0.014636] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.014648] futex hash table entries: 1024 (order: 1, 131072 bytes)
[    0.015494] pinctrl core: initialized pinctrl subsystem
[    0.016416] NET: Registered protocol family 16
[    0.017412] cpuidle: using governor ladder
[    0.017562] cpuidle: using governor menu
[    0.018239] vdso: 2 pages (1 code @ ffff000008c60000, 1 data @ ffff000009360000)
[    0.018249] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers.
[    0.018963] DMA: preallocated 256 KiB pool for atomic allocations
[    0.020049] Serial: AMBA PL011 UART driver
[    0.028038] tegra-mc 70019000.memory-controller: no memory timings for RAM code 0 registered
[    0.035489] HugeTLB registered 512 MB page size, pre-allocated 0 pages
[    0.036333] ACPI: Interpreter disabled.
[    0.036852] VDD_3V3_SD: Failed to request enable GPIO204: -517
[    0.036863] reg-fixed-voltage regulators:regulator@4: Failed to register regulator: -517
[    0.037119] RTL_5V: Failed to request enable GPIO57: -517
[    0.037126] reg-fixed-voltage regulators:regulator@8: Failed to register regulator: -517
[    0.037176] USB_VBUS_EN1: Failed to request enable GPIO229: -517
[    0.037184] reg-fixed-voltage regulators:regulator@9: Failed to register regulator: -517
[    0.037523] vgaarb: loaded
[    0.037985] SCSI subsystem initialized
[    0.038066] libata version 3.00 loaded.
[    0.038197] usbcore: registered new interface driver usbfs
[    0.038225] usbcore: registered new interface driver hub
[    0.038259] usbcore: registered new device driver usb
[    0.038754] pca953x 0-0074: 0-0074 supply vcc not found, using dummy regulator
[    0.047985] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    0.048407] EDAC MC: Ver: 3.0.0
[    0.048548] dmi: Firmware registration failed.
[    0.048958] Advanced Linux Sound Architecture Driver Initialized.
[    0.049235] NetLabel: Initializing
[    0.049241] NetLabel:  domain hash size = 128
[    0.049245] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
[    0.049281] NetLabel:  unlabeled traffic allowed by default
[    0.049452] clocksource: Switched to clocksource arch_sys_counter
[    0.104506] VFS: Disk quotas dquot_6.6.0
[    0.104603] VFS: Dquot-cache hash table entries: 8192 (order 0, 65536 bytes)
[    0.104960] pnp: PnP ACPI: disabled
[    0.109281] NET: Registered protocol family 2
[    0.109665] TCP established hash table entries: 32768 (order: 2, 262144 bytes)
[    0.109805] TCP bind hash table entries: 32768 (order: 3, 524288 bytes)
[    0.110017] TCP: Hash tables configured (established 32768 bind 32768)
[    0.110082] UDP hash table entries: 2048 (order: 0, 65536 bytes)
[    0.110110] UDP-Lite hash table entries: 2048 (order: 0, 65536 bytes)
[    0.110277] NET: Registered protocol family 1
[    0.110557] RPC: Registered named UNIX socket transport module.
[    0.110563] RPC: Registered udp transport module.
[    0.110567] RPC: Registered tcp transport module.
[    0.110571] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.110580] PCI: CLS 0 bytes, default 128
[    0.110667] Unpacking initramfs...
[    0.673312] Freeing initrd memory: 13440K
[    0.673702] kvm [1]: 8-bit VMID
[    0.673709] kvm [1]: IDMAP page: 80c37000
[    0.673716] kvm [1]: HYP VA range: 800000000000:ffffffffffff
[    0.673867] kvm [1]: Hyp mode initialized successfully
[    0.673894] kvm [1]: GICV region size/alignment is unsafe, using trapping (reduced performance)
[    0.673937] kvm [1]: vgic-v2@50044000
[    0.674008] kvm [1]: vgic interrupt IRQ1
[    0.674020] kvm [1]: virtual timer IRQ4
[    0.721979] workingset: timestamp_bits=46 max_order=16 bucket_order=0
[    0.725342] zbud: loaded
[    0.727576] NFS: Registering the id_resolver key type
[    0.727610] Key type id_resolver registered
[    0.727615] Key type id_legacy registered
[    0.727627] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    0.727720] SGI XFS with ACLs, security attributes, no debug enabled
[    0.737454] NET: Registered protocol family 38
[    0.737530] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246)
[    0.737602] io scheduler noop registered
[    0.737609] io scheduler deadline registered
[    0.737650] io scheduler cfq registered (default)
[    0.737655] io scheduler mq-deadline registered
[    0.737659] io scheduler kyber registered
[    0.737761] io scheduler bfq registered
[    0.737919] atomic64_test: passed
[    0.739796]  usb2-0: usb2-0 supply vbus not found, using dummy regulator
[    0.740030] tegra-xusb-padctl 7009f000.padctl: failed to setup XUSB ports: -517
[    0.745139] tegra-pcie 1003000.pcie-controller: 4x1, 1x1 configuration
[    0.745178] tegra-pcie 1003000.pcie-controller: Failed to get supply 'avdd-pll-uerefe': -517
[    0.745670] ipmi message handler version 39.2
[    0.748326] tegra-apbdma 60020000.dma: Tegra20 APB DMA driver register 32 channels
[    0.749639] tegra-pmc 7000e400.pmc: i2c-thermtrip node not found, emergency thermal reset disabled.
[    0.750011] of_pwm_get(): PWM chip not found
[    0.750019] pwm-regulator regulators:regulator@100: Failed to get PWM: -517
[    0.750360] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    0.751358] console [ttyS0] disabled
[    0.751392] 70006000.serial: ttyS0 at MMIO 0x70006000 (irq = 319, base_baud = 25500000) is a Tegra
[    1.857101] console [ttyS0] enabled
[    1.860949] msm_serial: driver initialized
[    1.865876] cacheinfo: Unable to detect cache hierarchy for CPU 0
[    1.873119] max77620 1-003c: PMIC Version OTP:0x35 and ES:0x8
[    1.884558] max77620-sd0: supplied by regulator-dummy
[    1.890847] max77620-sd1: supplied by regulator-dummy
[    1.896934] max77620-sd2: supplied by regulator-dummy
[    1.902836] max77620-sd3: supplied by regulator-dummy
[    1.909190] max77620-ldo0: supplied by regulator-dummy
[    1.915244] max77620-ldo1: supplied by regulator-dummy
[    1.920966] max77620-ldo2: supplied by regulator-dummy
[    1.926948] max77620-ldo3: supplied by regulator-dummy
[    1.932102] VDD_CAM_HV: Bringing 3100000uV into 2800000-2800000uV
[    1.938433] random: fast init done
[    1.942351] max77620-ldo4: supplied by regulator-dummy
[    1.947495] VDD_RTC: Bringing 1000000uV into 850000-850000uV
[    1.954155] max77620-ldo5: supplied by regulator-dummy
[    1.959299] VDD_TS_HV: Bringing 3100000uV into 3300000-3300000uV
[    1.966287] max77620-ldo6: supplied by regulator-dummy
[    1.971439] VDD_TS_1V8: Bringing 2800000uV into 1800000-1800000uV
[    1.978300] max77620-ldo7: supplied by regulator-dummy
[    1.984255] max77620-ldo8: supplied by regulator-dummy
[    1.992791] tegra-ahci 70027000.sata: couldn't get PHY in node sata: -517
[    2.000619] libphy: Fixed MDIO Bus: probed
[    2.005669] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    2.012199] ehci-pci: EHCI PCI platform driver
[    2.016653] ehci-platform: EHCI generic platform driver
[    2.021961] ehci-orion: EHCI orion driver
[    2.026019] ehci-msm: Qualcomm On-Chip EHCI Host Controller
[    2.031638] tegra-ehci: Tegra EHCI driver
[    2.035743] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    2.041920] ohci-pci: OHCI PCI platform driver
[    2.046371] ohci-platform: OHCI generic platform driver
[    2.051655] uhci_hcd: USB Universal Host Controller Interface driver
[    2.058455] usbcore: registered new interface driver uas
[    2.063789] usbcore: registered new interface driver usb-storage
[    2.069804] usbcore: registered new interface driver ums-alauda
[    2.075721] usbcore: registered new interface driver ums-cypress
[    2.081734] usbcore: registered new interface driver ums-datafab
[    2.087738] usbcore: registered new interface driver ums_eneub6250
[    2.093951] usbcore: registered new interface driver ums-freecom
[    2.099967] usbcore: registered new interface driver ums-isd200
[    2.105886] usbcore: registered new interface driver ums-jumpshot
[    2.111986] usbcore: registered new interface driver ums-karma
[    2.117817] usbcore: registered new interface driver ums-onetouch
[    2.123920] usbcore: registered new interface driver ums-realtek
[    2.129934] usbcore: registered new interface driver ums-sddr09
[    2.135851] usbcore: registered new interface driver ums-sddr55
[    2.141782] usbcore: registered new interface driver ums-usbat
[    2.147641] usbcore: registered new interface driver usbserial
[    2.153483] usbcore: registered new interface driver usbserial_generic
[    2.160014] usbserial: USB Serial support registered for generic
[    2.166682] mousedev: PS/2 mouse device common for all mice
[    2.303811] max77686-rtc max77620-rtc: rtc core: registered max77620-rtc as rtc0
[    2.311912] tegra_rtc 7000e000.rtc: rtc core: registered 7000e000.rtc as rtc1
[    2.319049] tegra_rtc 7000e000.rtc: Tegra internal Real Time Clock
[    2.325260] i2c /dev entries driver
[    2.330275] device-mapper: uevent: version 1.0.3
[    2.335035] device-mapper: ioctl: 4.35.0-ioctl (2016-06-23) initialised: dm-devel@xxxxxxxxxx
[    2.343684] Machine is not compatible with mt8173-cpufreq
[    2.349375] sdhci: Secure Digital Host Controller Interface driver
[    2.355551] sdhci: Copyright(c) Pierre Ossman
[    2.360216] Synopsys Designware Multimedia Card Interface Driver
[    2.366823] sdhci-pltfm: SDHCI platform and OF driver helper
[    2.372700] sdhci-tegra 700b0000.sdhci: Got CD GPIO
[    2.393504] mmc0: Unknown controller version (3). You may experience problems.
[    2.459468] mmc0: SDHCI controller on 700b0600.sdhci [700b0600.sdhci] using ADMA 64-bit
[    2.468115] ledtrig-cpu: registered to indicate activity on CPUs
[    2.475383] dmi-sysfs: dmi entry is absent.
[    2.481734] hidraw: raw HID events driver (C) Jiri Kosina
[    2.487262] usbcore: registered new interface driver usbhid
[    2.492897] usbhid: USB HID core driver
[    2.498509] drop_monitor: Initializing network drop monitor service
[    2.505009] ip_tables: (C) 2000-2006 Netfilter Core Team
[    2.510393] Initializing XFRM netlink socket
[    2.514934] NET: Registered protocol family 10
[    2.526932] Segment Routing with IPv6
[    2.530644] mip6: Mobile IPv6
[    2.533606] NET: Registered protocol family 17
[    2.538094] Key type dns_resolver registered
[    2.542710] registered taskstats version 1
[    2.546861] zswap: loaded using pool lzo/zbud
[    2.554797] Key type big_key registered
[    2.561841] Key type encrypted registered
[    2.566291] mmc0: new high speed MMC card at address 0001
[    2.572076] blk_queue_max_segment_size: set to minimum 65536
[    2.577769] mmcblk0: mmc0:0001 016G32 14.7 GiB 
[    2.577792] VDD_5V0_SYS: supplied by VDD_SYS_MUX
[    2.587027] AVDD_DSI_CSI_1V2: supplied by AVDD_SYS_1V2
[    2.587067] blk_queue_max_segment_size: set to minimum 65536
[    2.587106] mmcblk0boot0: mmc0:0001 016G32 partition 1 4.00 MiB
[    2.587247] blk_queue_max_segment_size: set to minimum 65536
[    2.587283] mmcblk0boot1: mmc0:0001 016G32 partition 2 4.00 MiB
[    2.587416] blk_queue_max_segment_size: set to minimum 65536
[    2.587451] mmcblk0rpmb: mmc0:0001 016G32 partition 3 4.00 MiB
[    2.591548]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 p13 p14 p15 p16 p17 p18
[    2.635386] VDD_3V3_SYS: supplied by VDD_SYS_MUX
[    2.640643] VDD_3V3_SD: supplied by VDD_3V3_SYS
[    2.646619] VDD_DIS_3V3_LCD: supplied by VDD_3V3_SYS
[    2.653253] VDD_LCD_1V8_DIS: supplied by VDD_1V8
[    2.658386] RTL_5V: supplied by VDD_5V0_SYS
[    2.662752] USB_VBUS_EN1: supplied by VDD_5V0_SYS
[    2.668761] VDD_HDMI_5V0: supplied by VDD_5V0_SYS
[    2.673614] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    2.686170]  usb2-0: usb2-0 supply vbus not found, using dummy regulator
[    2.693065]  usb2-3: usb2-3 supply vbus not found, using dummy regulator
[    2.699818]  usb3-0: usb3-0 supply vbus not found, using dummy regulator
[    2.706580]  usb3-1: usb3-1 supply vbus not found, using dummy regulator
[    2.714767] tegra-pcie 1003000.pcie-controller: 4x1, 1x1 configuration
[    2.722502] tegra-pcie 1003000.pcie-controller: probing port 0, using 4 lanes
[    2.731656] tegra-pcie 1003000.pcie-controller: Slot present pin change, signature: 00000008
[    3.132998] tegra-pcie 1003000.pcie-controller: link 0 down, retrying
[    3.542783] tegra-pcie 1003000.pcie-controller: link 0 down, retrying
[    3.952566] tegra-pcie 1003000.pcie-controller: link 0 down, retrying
[    3.961002] tegra-pcie 1003000.pcie-controller: link 0 down, ignoring
[    3.967436] tegra-pcie 1003000.pcie-controller: probing port 1, using 1 lanes
[    3.976583] tegra-pcie 1003000.pcie-controller: Slot present pin change, signature: 00000000
[    4.377917] tegra-pcie 1003000.pcie-controller: link 1 down, retrying
[    4.787689] tegra-pcie 1003000.pcie-controller: link 1 down, retrying
[    5.197458] tegra-pcie 1003000.pcie-controller: link 1 down, retrying
[    5.205902] tegra-pcie 1003000.pcie-controller: link 1 down, ignoring
[    5.212414] tegra-pcie 1003000.pcie-controller: PCI host bridge to bus 0000:00
[    5.219633] pci_bus 0000:00: root bus resource [io  0x0000-0xffff]
[    5.225799] pci_bus 0000:00: root bus resource [mem 0x13000000-0x1fffffff]
[    5.232666] pci_bus 0000:00: root bus resource [mem 0x20000000-0x3fffffff pref]
[    5.239967] pci_bus 0000:00: root bus resource [bus 00-ff]
[    5.245693] of_pwm_get(): PWM chip not found
[    5.249965] pwm-regulator regulators:regulator@100: Failed to get PWM: -517
[    5.257998] tegra-ahci 70027000.sata: AHCI 0001.0301 32 slots 2 ports 3 Gbps 0x1 impl platform mode
[    5.267040] tegra-ahci 70027000.sata: flags: 64bit ncq sntf pm led pmp pio slum part deso sadm apst 
[    5.276703] scsi host0: tegra-ahci
[    5.280319] scsi host1: tegra-ahci
[    5.283800] ata1: SATA max UDMA/133 mmio [mem 0x70027000-0x70028fff] port 0x100 irq 325
[    5.291798] ata2: DUMMY
[    5.294904] tegra-xusb 70090000.usb: 70090000.usb supply dvdd-pex-pll not found, using dummy regulator
[    5.304232] tegra-xusb 70090000.usb: 70090000.usb supply hvdd-pex-pll-e not found, using dummy regulator
[    5.380108] tegra-xusb 70090000.usb: Firmware timestamp: 2015-08-10 09:47:54 UTC
[    5.387495] tegra-xusb 70090000.usb: xHCI Host Controller
[    5.393003] tegra-xusb 70090000.usb: new USB bus registered, assigned bus number 1
[    5.401590] tegra-xusb 70090000.usb: hcc params 0x0184f525 hci version 0x100 quirks 0x00010010
[    5.410215] tegra-xusb 70090000.usb: irq 326, io mem 0x70090000
[    5.416239] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[    5.423022] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    5.430234] usb usb1: Product: xHCI Host Controller
[    5.435100] usb usb1: Manufacturer: Linux 4.12.0-1-ARCH xhci-hcd
[    5.441098] usb usb1: SerialNumber: 70090000.usb
[    5.445973] hub 1-0:1.0: USB hub found
[    5.449747] hub 1-0:1.0: 5 ports detected
[    5.454028] tegra-xusb 70090000.usb: xHCI Host Controller
[    5.459502] tegra-xusb 70090000.usb: new USB bus registered, assigned bus number 2
[    5.467121] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM.
[    5.475263] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003
[    5.482045] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    5.489250] usb usb2: Product: xHCI Host Controller
[    5.494122] usb usb2: Manufacturer: Linux 4.12.0-1-ARCH xhci-hcd
[    5.500121] usb usb2: SerialNumber: 70090000.usb
[    5.504982] hub 2-0:1.0: USB hub found
[    5.508743] hub 2-0:1.0: 4 ports detected
[    5.513596] sdhci-tegra 700b0000.sdhci: Got CD GPIO
[    5.526657] mmc1: Unknown controller version (3). You may experience problems.
[    5.599577] mmc1: SDHCI controller on 700b0000.sdhci [700b0000.sdhci] using ADMA 64-bit
[    5.607653] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    5.619607] of_pwm_get(): PWM chip not found
[    5.623868] pwm-regulator regulators:regulator@100: Failed to get PWM: -517
[    5.663592] max77686-rtc max77620-rtc: setting system clock to 2017-07-06 20:28:38 UTC (1499372918)
[    5.672838] PM: Hibernation image not present or could not be loaded.
[    5.673191] AVDD_DSI_CSI_1V2: disabling
[    5.677057] VDD_PRE_REG_1V35: disabling
[    5.680920] VDD_CAM_HV: disabling
[    5.684397] VDD_TS_HV: disabling
[    5.687762] VDD_TS_1V8: disabling
[    5.691100] AVDD_SATA_HDMI_DP_1V05: disabling
[    5.695475] VDD_HDMI_5V0: disabling
[    5.698977] ALSA device list:
[    5.701966]   No soundcards found.
[    5.705385] mmc1: host does not support reading read-only switch, assuming write-enable
[    5.717086] mmc1: new high speed SDHC card at address aaaa
[    5.722870] blk_queue_max_segment_size: set to minimum 65536
[    5.728558] mmcblk1: mmc1:aaaa SL08G 7.40 GiB 
[    5.736919]  mmcblk1: p1
[    5.739911] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    5.751952] of_pwm_get(): PWM chip not found
[    5.756214] pwm-regulator regulators:regulator@100: Failed to get PWM: -517
[    5.789488] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    5.795898] ata1.00: supports DRM functions and may not be fully accessible
[    5.802862] ata1.00: ATA-9: Samsung SSD 850 EVO 250GB, EMT01B6Q, max UDMA/133
[    5.809476] usb 1-3: new high-speed USB device number 2 using tegra-xusb
[    5.816673] ata1.00: 488397168 sectors, multi 1: LBA48 NCQ (depth 31/32)
[    5.823944] ata1.00: supports DRM functions and may not be fully accessible
[    5.831111] ata1.00: configured for UDMA/133
[    5.835759] scsi 0:0:0:0: Direct-Access     ATA      Samsung SSD 850  1B6Q PQ: 0 ANSI: 5
[    5.844232] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    5.844406] sd 0:0:0:0: [sda] 488397168 512-byte logical blocks: (250 GB/233 GiB)
[    5.844444] sd 0:0:0:0: [sda] Write Protect is off
[    5.844449] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    5.844515] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    5.844842] sd 0:0:0:0: Attached scsi generic sg0 type 0
[    5.846401]  sda: sda1
[    5.847096] sd 0:0:0:0: [sda] Attached SCSI disk
[    5.850145] Freeing unused kernel memory: 1536K
[    5.897075] of_pwm_get(): PWM chip not found
[    5.901365] pwm-regulator regulators:regulator@100: Failed to get PWM: -517
[    5.981563] usb 1-3: New USB device found, idVendor=2109, idProduct=2811
[    5.988259] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    5.995538] usb 1-3: Product: USB2.0 Hub             
[    6.000591] usb 1-3: Manufacturer: VIA Labs, Inc.         
[    6.008773] hub 1-3:1.0: USB hub found
[    6.012759] hub 1-3:1.0: 4 ports detected
[    6.025143] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    6.037376] of_pwm_get(): PWM chip not found
[    6.041658] pwm-regulator regulators:regulator@100: Failed to get PWM: -517
[    6.120044] usb 2-1: new SuperSpeed USB device number 2 using tegra-xusb
[    6.137603] input: gpio-keys as /devices/platform/gpio-keys/input/input0
[    6.145133] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    6.158022] usb 2-1: New USB device found, idVendor=0955, idProduct=09ff
[    6.158328] of_pwm_get(): PWM chip not found
[    6.158335] pwm-regulator regulators:regulator@100: Failed to get PWM: -517
[    6.175960] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=6
[    6.183088] usb 2-1: Product: USB 10/100/1000 LAN
[    6.187783] usb 2-1: Manufacturer: Nvidia
[    6.191787] usb 2-1: SerialNumber: 000001000000
[    6.197827] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    6.210086] of_pwm_get(): PWM chip not found
[    6.214353] pwm-regulator regulators:regulator@100: Failed to get PWM: -517
[    6.350014] usb 2-2: new SuperSpeed USB device number 3 using tegra-xusb
[    6.612737] usb 2-2: New USB device found, idVendor=2109, idProduct=8110
[    6.619431] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    6.626567] usb 2-2: Product: USB3.0 Hub             
[    6.631614] usb 2-2: Manufacturer: VIA Labs, Inc.         
[    6.637969] hub 2-2:1.0: USB hub found
[    6.641906] hub 2-2:1.0: 4 ports detected
[    6.647637] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    6.659770] of_pwm_get(): PWM chip not found
[    6.664036] pwm-regulator regulators:regulator@100: Failed to get PWM: -517
[    6.760870] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
[    6.857998] systemd[1]: systemd 233 running in system mode. (+PAM -AUDIT -SELINUX -IMA -APPARMOR +SMACK -SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN default-hierarchy=hybrid)
[    6.878475] systemd[1]: Detected architecture arm64.
[    6.909856] systemd[1]: Set hostname to <qmtf>.
[    7.023908] systemd[1]: Reached target Swap.
[    7.060212] systemd[1]: Listening on Device-mapper event daemon FIFOs.
[    7.099699] systemd[1]: Listening on Journal Socket.
[    7.129952] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
[    7.179647] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
[    7.219523] systemd[1]: Reached target Remote File Systems.
[    7.250796] systemd[1]: Created slice User and Session Slice.
[    8.278109] EXT4-fs (sda1): re-mounted. Opts: discard
[    8.570414] systemd-journald[332]: Received request to flush runtime journal from PID 1
[    8.779612] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    8.793518] pwm-regulator: supplied by regulator-dummy
[    8.802260] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    8.819311] tegra_soctherm 700e2000.thermal-sensor: thermtrip: will shut down when cpu reaches 102500 mC
[    8.821683] lp855x 0-002c: 0-002c supply power not found, using dummy regulator
[    8.822652] lp855x 0-002c: failed to read 0x00
[    8.822657] lp855x 0-002c: pre init device err: -121
[    8.822661] lp855x 0-002c: device config err: -121
[    8.823506] lp855x: probe of 0-002c failed with error -121
[    8.856192] tegra_soctherm 700e2000.thermal-sensor: throttrip: will throttle when cpu reaches 98500 mC
[    8.867458] tegra_soctherm 700e2000.thermal-sensor: thermtrip: will shut down when gpu reaches 103000 mC
[    8.877287] tegra_soctherm 700e2000.thermal-sensor: throttrip: will throttle when gpu reaches 100000 mC
[    8.886846] tegra_soctherm 700e2000.thermal-sensor: thermtrip: will shut down when pll reaches 103000 mC
[    8.896349] tegra_soctherm 700e2000.thermal-sensor: throttrip: pll: missing hot temperature
[    8.904824] tegra_soctherm 700e2000.thermal-sensor: thermtrip: will shut down when mem reaches 103000 mC
[    8.912282] usbcore: registered new interface driver r8152
[    8.919790] tegra_soctherm 700e2000.thermal-sensor: throttrip: mem: missing hot temperature
[    8.923453] usbcore: registered new interface driver cdc_ether
[    8.934130] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    8.945989] tegra-host1x: probe of 50000000.host1x failed with error -12
[    8.954312] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    8.981705] nouveau 57000000.gpu: cannot initialize IOMMU MM
[    8.983717] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    8.985416] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    8.987544] tegra-i2c 7000c700.i2c: could not find pctldev for node /host1x@50000000/dpaux@54040000/pinmux-i2c, deferring probe
[    8.988380] tegra-dpaux 54040000.dpaux: 54040000.dpaux supply vdd not found, using dummy regulator
[    9.032424] nouveau 57000000.gpu: NVIDIA GM20B (12b000a1)
[    9.040802] nouveau 57000000.gpu: imem: using DMA API
[    9.050368] usb 2-1: reset SuperSpeed USB device number 2 using tegra-xusb
[    9.073285] nouveau 57000000.gpu: bus: MMIO read of 00000000 FAULT at 002140 [ TIMEOUT ]
[    9.082802] nouveau 57000000.gpu: bus: MMIO read of 00000000 FAULT at 120058 [ IBUS TIMEOUT ]
[    9.109569] [TTM] Zone  kernel: Available graphics memory: 1785184 kiB
[    9.116085] [TTM] Initializing pool allocator
[    9.121362] [TTM] Initializing DMA pool allocator
[    9.127779] nouveau 57000000.gpu: DRM: VRAM: 0 MiB
[    9.132592] nouveau 57000000.gpu: DRM: GART: 1048576 MiB
[    9.138544] nouveau 57000000.gpu: hwmon_device_register() is deprecated. Please convert the driver to use hwmon_device_register_with_info().
[    9.157513] page:ffff7fe000100a00 count:0 mapcount:-127 mapping:          (null) index:0x5
[    9.166734] flags: 0x0()
[    9.169266] raw: 0000000000000000 0000000000000000 0000000000000005 00000000ffffff80
[    9.177066] raw: ffff00000950f4f8 ffff00000950f4f8 0000000000000003 0000000000000000
[    9.184802] page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0)
[    9.191679] ------------[ cut here ]------------
[    9.196284] kernel BUG at ./include/linux/mm.h:466!
[    9.201152] Internal error: Oops - BUG: 0 [#1] SMP
[    9.205930] Modules linked in: panel_simple tegra_drm nouveau(+) cdc_ether usbnet i2c_algo_bit r8152 ttm mii drm_kms_helper drm host1x syscopyarea sysfillrect sysimgblt lp855x_bl fb_sys_fops tegra_soctherm pwm_tegra gpio_keys
[    9.225932] CPU: 1 PID: 353 Comm: systemd-udevd Not tainted 4.12.0-1-ARCH #6
[    9.225938] Hardware name: NVIDIA Jetson TX1 Developer Kit (DT)
[    9.225942] task: ffff8000fe823400 task.stack: ffff8000f4048000
[    9.225951] PC is at __free_pages+0x88/0x90
[    9.225955] LR is at __free_pages+0x88/0x90
[    9.225959] pc : [<ffff0000081e5b20>] lr : [<ffff0000081e5b20>] pstate: 00000145
[    9.225961] sp : ffff8000f404b640
[    9.225964] x29: ffff8000f404b640 x28: 0000000000000000 
[    9.225969] x27: 0000000000000000 x26: 0000000000000018 
[    9.225974] x25: ffff00000bad0000 x24: ffff000009141000 
[    9.225979] x23: 0000000000000001 x22: ffff7fe000000000 
[    9.225983] x21: 000000000000c064 x20: 0000000000000000 
[    9.225988] x19: ffff7fe000100a00 x18: 0000000000000010 
[    9.225992] x17: 0000ffff5fbbf930 x16: ffff0000082b6898 
[    9.225996] x15: ffffffffffffffff x14: ffff0000895d6757 
[    9.226000] x13: ffff0000095d6765 x12: ffff00000939b000 
[    9.226004] x11: ffff000009373b48 x10: ffff000008721318 
[    9.226008] x9 : 00000000ffffffd0 x8 : 0000000000000017 
[    9.226012] x7 : 756f635f6665725f x6 : 00000000000001ed 
[    9.226015] x5 : 0000000000000000 x4 : 0000000000000000 
[    9.226019] x3 : 0000000000000000 x2 : ffff8000ffea96f0 
[    9.226023] x1 : 0000000000000000 x0 : 000000000000003e 
[    9.226029] Process systemd-udevd (pid: 353, stack limit = 0xffff8000f4048000)
[    9.226032] Stack: (0xffff8000f404b640 to 0xffff8000f404c000)
[    9.226037] b640: ffff8000f404b660 ffff0000081e8ff4 000000000000c029 000000000000c029
[    9.226041] b660: ffff8000f404b6a0 ffff00000825f06c 000000000000c024 ffff00000964ba68
[    9.226045] b680: ffff7fe000100900 0000000000000040 00000000c0240000 ffff00000bad0000
[    9.226048] b6a0: ffff8000f404b6d0 ffff00000876cd34 ffff8000fe729010 ffff7fe000100900
[    9.226051] b6c0: 0000000000000040 ffff800040240000 ffff8000f404b700 ffff000008095b1c
[    9.226055] b6e0: ffff8000fe729010 0000000000400000 00000000c0240000 ffff8000fe729010
[    9.226058] b700: ffff8000f404b730 ffff000008095bf8 0000000000400000 ffff8000fe729010
[    9.226061] b720: 0000000040240000 0000000000000000 ffff8000f404b770 ffff000001566ea4
[    9.226064] b740: ffff8000fea42a00 0000000000400000 ffff8000fe729010 00000000c0240000
[    9.226067] b760: 000000000000000e ffff000008c70000 ffff8000f404b7c0 ffff000001513e0c
[    9.226071] b780: ffff8000f404b848 ffff00000b8e0000 ffff8000fea48258 ffff8000fa40c000
[    9.226074] b7a0: ffff8000fea48200 0000000000000000 0000000000000000 ffff000001566804
[    9.226077] b7c0: ffff8000f404b7e0 ffff00000156a3ec ffff8000fea48258 ffff00000156d098
[    9.226080] b7e0: ffff8000f404b850 ffff00000156acb4 0000000000000000 ffff8000fea4c698
[    9.226083] b800: ffff8000fea48208 0000000000000000 ffff8000fea48200 ffff8000fea4c6b8
[    9.226087] b820: ffff8000fa40c000 ffff8000feaac000 000000000000906e ffff00000164d96e
[    9.226090] b840: 0000000000000000 ffff8000fea42a00 ffff8000f404b8a0 ffff0000015d5760
[    9.226093] b860: ffff8000fea4c698 ffff8000fa60f800 ffff8000feaac000 000000000000a06e
[    9.226096] b880: 0000000000002000 ffff8000feaac980 0000000000030000 ffff0000015ebcc4
[    9.226100] b8a0: ffff8000f404b8c0 ffff0000015eb938 ffff8000fea4c600 ffff8000feaac980
[    9.226103] b8c0: ffff8000f404b8f0 ffff0000015ebe6c ffff8000feaac068 ffff8000f404b980
[    9.226106] b8e0: 000000000000906e 000000ffffffffff ffff8000f404b9a0 ffff0000015cf484
[    9.226109] b900: ffff8000feaac000 0000000000000000 ffff8000fa607000 ffff8000feaac068
[    9.226112] b920: 000000000000003c 0000000000000001 000000000000a16f 0000000000000000
[    9.226115] b940: 000000000000003c 000000000000b06f ffff8000f404b980 ffff0000015100a8
[    9.226119] b960: ffff8000ffffffea 0000000100000000 ffff8000fa607000 ffff8000fea4c600
[    9.226122] b980: 00002000f404b900 0000000000011000 ffff8000fea4c6d0 0000000000000000
[    9.226125] b9a0: ffff8000f404ba20 ffff00000108a524 ffff8000fa607000 0000000000000000
[    9.226128] b9c0: ffff0000010d0078 0000000000000000 ffff000001699b70 000000000000001f
[    9.226131] b9e0: 0000000000000000 ffff0000016997d0 ffff000009141000 ffff0000093a0cf8
[    9.226134] ba00: 0000000000000000 0000000000000000 ffff0000010d0078 ffff8000fe66f8a8
[    9.226138] ba20: ffff8000f404ba70 ffff0000015d1224 00000000fa607000 ffff8000fa607000
[    9.226141] ba40: ffff000001697de8 0000000000000000 0000000000000000 000000000000001f
[    9.226144] ba60: 0000000000000000 0000000000000000 ffff8000f404baa0 ffff000008765070
[    9.226147] ba80: 00000000fffffffe ffff8000fe729010 0000000000000000 ffff8000fa614808
[    9.226150] baa0: ffff8000f404bad0 ffff0000087627e4 ffff8000fe729010 ffff000009670000
[    9.226153] bac0: ffff000001697e10 0000000000000000 ffff8000f404bb10 ffff0000087629fc
[    9.226157] bae0: ffff8000fe729070 ffff8000fe729010 ffff000001697e10 0000000000000000
[    9.226160] bb00: ffff0000094ba000 ffff000008c7bbc8 ffff8000f404bb40 ffff00000875fe3c
[    9.226163] bb20: 0000000000000000 ffff000001697e10 ffff000008762920 ffff000008c7bbc8
[    9.226166] bb40: ffff8000f404bb80 ffff000008761e98 ffff000001697e10 ffff8000fbd07200
[    9.226169] bb60: ffff0000094ba638 0000000000000000 ffff8000ffd4aca0 ffff8000fe69f568
[    9.226172] bb80: ffff8000f404bba0 ffff000008761858 ffff000001697e10 0000000000000000
[    9.226176] bba0: ffff8000f404bbe0 ffff000008763784 ffff000001697e10 ffff000001699600
[    9.226179] bbc0: ffff000001699990 ffff8000fe67ef00 ffff000001699780 ffff000001699600
[    9.226182] bbe0: ffff8000f404bc00 ffff000008764fac ffff000001697de8 ffff000001699600
[    9.226185] bc00: ffff8000f404bc20 ffff000001710164 ffff00000166a970 ffff0000016977d0
[    9.226188] bc20: ffff8000f404bc50 ffff000008083634 ffff000001710000 0000000000000000
[    9.226192] bc40: ffff8000fe823400 ffff0000093a0000 ffff8000f404bcc0 ffff0000081da43c
[    9.226195] bc60: ffff000001699600 ffff0000093a0000 ffff000001699618 ffff0000081da410
[    9.226198] bc80: ffff000001699600 ffff0000093a0000 ffff000001699618 ffff0000093a0000
[    9.226201] bca0: ffff000001699780 ffff000008c7bbc8 ffff00000ae50000 ffff8000f404be58
[    9.226204] bcc0: ffff8000f404bcf0 ffff000008168284 ffff000001699600 ffff8000f404be58
[    9.226208] bce0: ffff000001699618 ffff0000093a0000 ffff8000f404be10 ffff0000081685a0
[    9.226211] bd00: 000000000009e7d8 0000000000000000 0000fffe3f68e7e8 ffff00000b0ee7d8
[    9.226214] bd20: 0000fffe425908d0 0000000000100000 0000000000000124 0000000000000069
[    9.226217] bd40: ffff000008c51000 ffff8000fe823400 00000000ffffffff ffff7bdfffff0000
[    9.226220] bd60: ffff000000000072 ffff000000000064 ffff00000000006e ffff00000000003f
[    9.226224] bd80: ffff000000000018 ffff0000016a0000 00000000014002c0 00e8000000000713
[    9.226227] bda0: 0000fffe425908d0 0000000000000015 0000000000000124 0000000000000069
[    9.226230] bdc0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[    9.226233] bde0: 0000000000000000 0000000000000000 0000000000000000 ffff000000000000
[    9.226236] be00: 0000000000000000 0000fffe00000000 0000000000000000 ffff00000808344c
[    9.226239] be20: 0000000000000800 00008000f6bd0000 ffffffffffffffff 0000fffe4247fd58
[    9.226242] be40: 0000000040000000 0000000000000015 ffff8000fb32bd00 ffff00000ae50000
[    9.226246] be60: 000000000029e7d8 ffff00000b0ede58 ffff00000b0edcf0 ffff00000b011a50
[    9.226249] be80: 0000000000190000 00000000001cfc78 ffff000001699518 0000000000000003
[    9.226252] bea0: 000000000006f770 0000002400000023 000000000000001e 0000000000000015
[    9.226255] bec0: 0000fffe3f3f0010 000000000029e7d8 0000fffe425908d0 0000000000000001
[    9.226258] bee0: 0000000000000000 0000000000001c4f 0000000000000000 00000000babb5d54
[    9.226261] bf00: 0000000000000069 000000000000196f 0000000000000018 0000000000000163
[    9.226264] bf20: 0000000000000000 000000000029dcf0 0000fffe4231e7a0 0000fffe4231e970
[    9.226267] bf40: 0000fffe425a2238 0000fffe4247fd50 0000000000008000 0000aaace3fbb370
[    9.226271] bf60: 0000fffe425908d0 0000fffe3f3f0010 0000ffffe9d45908 0000aaace3fb1fd0
[    9.226274] bf80: 0000aaaccdbaab70 0000000000000000 0000000000000000 0000aaaccdbaac40
[    9.226277] bfa0: 0000000000000000 0000ffffe9d45720 0000fffe425891bc 0000ffffe9d45720
[    9.226280] bfc0: 0000fffe4247fd58 0000000040000000 0000fffe3f3f0010 0000000000000069
[    9.226283] bfe0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[    9.226285] Call trace:
[    9.226289] Exception stack(0xffff8000f404b470 to 0xffff8000f404b5a0)
[    9.226292] b460:                                   ffff7fe000100a00 0001000000000000
[    9.226296] b480: ffff8000f404b640 ffff0000081e5b20 ffff8000f404b540 ffff0000081d9a88
[    9.226299] b4a0: ffff00000902ac98 ffff8000f404b558 ffff00000900b3a8 0000000000000000
[    9.226302] b4c0: ffff7fe000100a40 ffff8000f404b58a ffff8000f404b5e0 ffff000008213460
[    9.226305] b4e0: ffff8000f404b5e0 ffff8000f404b5e0 ffff8000f404b5a0 00000000ffffffc8
[    9.226308] b500: 0000000000000000 ffff000009141000 000000000000003e 0000000000000000
[    9.226311] b520: ffff8000ffea96f0 0000000000000000 0000000000000000 0000000000000000
[    9.226315] b540: 00000000000001ed 756f635f6665725f 0000000000000017 00000000ffffffd0
[    9.226318] b560: ffff000008721318 ffff000009373b48 ffff00000939b000 ffff0000095d6765
[    9.226321] b580: ffff0000895d6757 ffffffffffffffff ffff0000082b6898 0000ffff5fbbf930
[    9.226327] [<ffff0000081e5b20>] __free_pages+0x88/0x90
[    9.226333] [<ffff0000081e8ff4>] free_contig_range+0x8c/0xe0
[    9.226341] [<ffff00000825f06c>] cma_release+0x8c/0x180
[    9.226348] [<ffff00000876cd34>] dma_release_from_contiguous+0x64/0x78
[    9.226355] [<ffff000008095b1c>] __dma_free_coherent.isra.10+0x5c/0xc8
[    9.226358] [<ffff000008095bf8>] __dma_free+0x70/0xb0
[    9.226722] [<ffff000001566ea4>] gk20a_instobj_dtor_dma+0xac/0x118 [nouveau]
[    9.227077] [<ffff000001513e0c>] nvkm_memory_del+0x34/0x58 [nouveau]
[    9.227426] [<ffff00000156a3ec>] nvkm_vm_unmap_pgt+0xbc/0xe8 [nouveau]
[    9.227773] [<ffff00000156acb4>] nvkm_vm_put+0x8c/0xf0 [nouveau]
[    9.228124] [<ffff0000015d5760>] nouveau_bo_vma_del+0x88/0xa0 [nouveau]
[    9.228464] [<ffff0000015eb938>] nouveau_channel_del+0x78/0xd8 [nouveau]
[    9.228803] [<ffff0000015ebe6c>] nouveau_channel_new+0x25c/0x688 [nouveau]
[    9.229144] [<ffff0000015cf484>] nouveau_drm_load+0x5a4/0x840 [nouveau]
[    9.229236] [<ffff00000108a524>] drm_dev_register+0x15c/0x1f8 [drm]
[    9.229601] [<ffff0000015d1224>] nouveau_platform_probe+0x4c/0x80 [nouveau]
[    9.229610] [<ffff000008765070>] platform_drv_probe+0x60/0xc0
[    9.229615] [<ffff0000087627e4>] driver_probe_device+0x334/0x470
[    9.229619] [<ffff0000087629fc>] __driver_attach+0xdc/0x128
[    9.229623] [<ffff00000875fe3c>] bus_for_each_dev+0x5c/0xa8
[    9.229627] [<ffff000008761e98>] driver_attach+0x30/0x40
[    9.229631] [<ffff000008761858>] bus_add_driver+0x220/0x2c0
[    9.229635] [<ffff000008763784>] driver_register+0x6c/0x118
[    9.229639] [<ffff000008764fac>] __platform_driver_register+0x54/0x60
[    9.229979] [<ffff000001710164>] nouveau_drm_init+0x164/0x10000 [nouveau]
[    9.229985] [<ffff000008083634>] do_one_initcall+0x44/0x138
[    9.229991] [<ffff0000081da43c>] do_init_module+0x64/0x1c8
[    9.229997] [<ffff000008168284>] load_module+0x12ec/0x14b0
[    9.230002] [<ffff0000081685a0>] SyS_init_module+0x158/0x1e0
[    9.230005] [<ffff00000808344c>] __sys_trace_return+0x0/0x4
[    9.230012] Code: aa1303e0 d0007121 910ea021 9400b677 (d4210000) 
[    9.230032] ---[ end trace e872259f9c6ff45a ]---
[    9.841006] r8152 2-1:1.0 eth0: v1.08.9
[   10.099466] usb 1-3.1: new low-speed USB device number 3 using tegra-xusb
[   10.245000] usb 1-3.1: New USB device found, idVendor=1c4f, idProduct=0002
[   10.245005] usb 1-3.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   10.245010] usb 1-3.1: Product: USB Keyboard
[   10.245013] usb 1-3.1: Manufacturer: SIGMACHIP
[   10.248991] input: SIGMACHIP USB Keyboard as /devices/platform/70090000.usb/usb1/1-3/1-3.1/1-3.1:1.0/0003:1C4F:0002.0001/input/input1
[   10.309995] hid-generic 0003:1C4F:0002.0001: input,hidraw0: USB HID v1.10 Keyboard [SIGMACHIP USB Keyboard] on usb-70090000.usb-3.1/input0
[   10.325799] input: SIGMACHIP USB Keyboard as /devices/platform/70090000.usb/usb1/1-3/1-3.1/1-3.1:1.1/0003:1C4F:0002.0002/input/input2
[   10.409695] hid-generic 0003:1C4F:0002.0002: input,hidraw1: USB HID v1.10 Device [SIGMACHIP USB Keyboard] on usb-70090000.usb-3.1/input1
[   10.529507] usb 1-3.2: new low-speed USB device number 4 using tegra-xusb
[   10.682734] usb 1-3.2: New USB device found, idVendor=04f2, idProduct=0939
[   10.689627] usb 1-3.2: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[   10.696921] usb 1-3.2: Product: USB Optical Mouse
[   10.704844] input: USB Optical Mouse as /devices/platform/70090000.usb/usb1/1-3/1-3.2/1-3.2:1.0/0003:04F2:0939.0003/input/input3
[   10.716822] hid-generic 0003:04F2:0939.0003: input,hidraw2: USB HID v1.11 Mouse [USB Optical Mouse] on usb-70090000.usb-3.2/input0
[   11.888044] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[   11.911205] IPv6: ADDRCONF(NETDEV_UP): br0: link is not ready
[   11.921160] br0: port 1(eth0) entered blocking state
[   11.926119] br0: port 1(eth0) entered disabled state
[   11.931215] device eth0 entered promiscuous mode
[   12.023890] br0: port 1(eth0) entered blocking state
[   12.028853] br0: port 1(eth0) entered forwarding state
[   12.034144] br0: port 1(eth0) entered disabled state
[   12.520182] random: crng init done
[   13.590255] r8152 2-1:1.0 eth0: carrier on
[   13.594468] r8152 2-1:1.0 eth0: Promiscuous mode enabled
[   13.600789] br0: port 1(eth0) entered blocking state
[   13.605746] br0: port 1(eth0) entered forwarding state
[   13.610990] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready

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