Re: [PATCH] ARM: dts: imx6qdl-nitrogen6_max: Disable LVDS channels

[Robert Foss <robert.foss@collabora.com>]

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Hey Fabio,

On 4/10/19 2:00 PM, Fabio Estevam wrote:
> On Wed, Apr 10, 2019 at 8:55 AM Fabio Estevam <festevam@gmail.com> wrote:
> 
>> Please check if this patch fixes the problem on your case:
>> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20190410&id=728e096dd70889c2e80dd4153feee91afb1daf72
> 
> Also, just confirmed that this commit reached 5.1-rc3.
> 
> Robert, please run 5.1-rc3 (or rc4) and let us know if you still see
> the problem.

That does seem to work, but I'm seeing another crash.
So I can't 100% confirm it.

[    2.019601] imx-drm display-subsystem: bound disp0 (ops imx_pd_ops)
[    2.027062] dwhdmi-imx 120000.hdmi: Detected HDMI TX controller v1.30a with 
HDCP (DWC HDMI 3D TX PHY)
[    2.041765] imx-drm display-subsystem: bound 120000.hdmi (ops dw_hdmi_imx_ops)
[    2.049608] [drm] forcing LVDS-1 connector off
[    2.054482] imx-drm display-subsystem: bound ldb (ops imx_ldb_ops)
[    2.064153] [drm] Initialized imx-drm 1.0.0 20120507 for display-subsystem on 
minor 1

^^ Looks good to me.
However, the kernel crashes right after this, let me attach the full bootlog below.

Just to be clear, this is when using:
Kernel version: v5.1-rc4
Commit: 15ade5d2e7775667cf191cf2f94327a4889f8b9d
Devboard: Nitrogen6-Max
SOC: i.MX6QP

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: kernel.log --]
[-- Type: text/x-log; name="kernel.log", Size: 25084 bytes --]

[    0.004532]  per task-struct memory footprint: 1536 bytes
[    0.004685] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000)
[    0.004803] pid_max: default: 32768 minimum: 301
[    0.005215] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.005302] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.007431] *** VALIDATE proc ***
[    0.008093] *** VALIDATE cgroup1 ***
[    0.008158] *** VALIDATE cgroup2 ***
[    0.008222] CPU: Testing write buffer coherency: ok
[    0.008349] CPU0: Spectre v2: using BPIALL workaround
[    0.009983] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.012185] Setting up static identity map for 0x10100000 - 0x10100078
[    0.012815] rcu: Hierarchical SRCU implementation.
[    0.014775] smp: Bringing up secondary CPUs ...
[    0.017184] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[    0.017197] CPU1: Spectre v2: using BPIALL workaround
[    0.020335] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[    0.020348] CPU2: Spectre v2: using BPIALL workaround
[    0.022580] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[    0.022590] CPU3: Spectre v2: using BPIALL workaround
[    0.023142] smp: Brought up 1 node, 4 CPUs
[    0.023215] SMP: Total of 4 processors activated (24.00 BogoMIPS).
[    0.023297] CPU: All CPU(s) started in SVC mode.
[    0.026455] devtmpfs: initialized
[    0.055564] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
[    0.057888] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.058060] futex hash table entries: 1024 (order: 4, 65536 bytes)
[    0.058778] pinctrl core: initialized pinctrl subsystem
[    0.063717] NET: Registered protocol family 16
[    0.065241] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.068521] cpuidle: using governor menu
[    0.068890] CPU identified as i.MX6QP, silicon rev 1.0
[    0.089969] vdd1p1: supplied by regulator-dummy
[    0.091744] vdd3p0: supplied by regulator-dummy
[    0.093021] vdd2p5: supplied by regulator-dummy
[    0.094291] vddarm: supplied by regulator-dummy
[    0.095693] vddpu: supplied by regulator-dummy
[    0.096987] vddsoc: supplied by regulator-dummy
[    0.130027] No ATAGs?
[    0.130513] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
[    0.130746] hw-breakpoint: maximum watchpoint size is 4 bytes.
[    0.134529] imx6q-pinctrl 20e0000.iomuxc: initialized IMX pinctrl driver
[    0.198809] mxs-dma 110000.dma-apbh: initialized
[    0.205860] regulator@6 GPIO handle specifies active low - ignored
[    0.209101] vgaarb: loaded
[    0.210275] SCSI subsystem initialized
[    0.211620] usbcore: registered new interface driver usbfs
[    0.211895] usbcore: registered new interface driver hub
[    0.212219] usbcore: registered new device driver usb
[    0.212605] usb_phy_generic usbphynop1: usbphynop1 supply vcc not found, using dummy regulator
[    0.213398] usb_phy_generic usbphynop2: usbphynop2 supply vcc not found, using dummy regulator
[    0.217673] i2c i2c-0: IMX I2C adapter registered
[    0.219084] i2c i2c-1: IMX I2C adapter registered
[    0.220890] i2c i2c-2: IMX I2C adapter registered
[    0.221359] media: Linux media interface: v0.10
[    0.221531] videodev: Linux video capture interface: v2.00
[    0.222040] pps_core: LinuxPPS API ver. 1 registered
[    0.222121] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.222275] PTP clock support registered
[    0.223161] Advanced Linux Sound Architecture Driver Initialized.
[    0.226809] Bluetooth: Core ver 2.22
[    0.226974] NET: Registered protocol family 31
[    0.227043] Bluetooth: HCI device and connection manager initialized
[    0.227225] Bluetooth: HCI socket layer initialized
[    0.227320] Bluetooth: L2CAP socket layer initialized
[    0.227516] Bluetooth: SCO socket layer initialized
[    0.230070] clocksource: Switched to clocksource mxc_timer1
[    0.847826] VFS: Disk quotas dquot_6.6.0
[    0.848053] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    0.875539] NET: Registered protocol family 2
[    0.877832] tcp_listen_portaddr_hash hash table entries: 256 (order: 1, 10240 bytes)
[    0.877994] TCP established hash table entries: 4096 (order: 2, 16384 bytes)
[    0.878158] TCP bind hash table entries: 4096 (order: 5, 147456 bytes)
[    0.878726] TCP: Hash tables configured (established 4096 bind 4096)
[    0.879285] UDP hash table entries: 256 (order: 2, 20480 bytes)
[    0.879465] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes)
[    0.880117] NET: Registered protocol family 1
[    0.882325] RPC: Registered named UNIX socket transport module.
[    0.882477] RPC: Registered udp transport module.
[    0.882549] RPC: Registered tcp transport module.
[    0.882618] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.885909] hw perfevents: no interrupt-affinity property for /pmu, guessing.
[    0.886661] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available
[    0.891683] Initialise system trusted keyrings
[    0.892454] workingset: timestamp_bits=30 max_order=20 bucket_order=0
[    0.909560] NFS: Registering the id_resolver key type
[    0.909784] Key type id_resolver registered
[    0.909919] Key type id_legacy registered
[    0.910240] jffs2: version 2.2. (NAND) �偩 2001-2006 Red Hat, Inc.
[    0.911564] fuse init (API version 7.29)
[    0.940769] Key type asymmetric registered
[    0.940967] Asymmetric key parser 'x509' registered
[    0.941290] bounce: pool size: 64 pages
[    0.941463] io scheduler mq-deadline registered
[    0.941538] io scheduler kyber registered
[    0.957371] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2
[    0.957586] imx-sdma 20ec000.sdma: Falling back to syfs fallback for: imx/sdma/sdma-imx6q.bin
[    0.966828] imx-pgc-pd imx-pgc-power-domain.0: DMA mask not set
[    0.967461] imx-pgc-pd imx-pgc-power-domain.1: DMA mask not set
[    0.973415] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 26, base_baud = 5000000) is a IMX
[    0.976917] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 71, base_baud = 5000000) is a IMX
[    0.977108] Console IMX rounded baud rate from 114943 to 114900
[    1.833463] printk: console [ttymxc1] enabled
[    1.840250] 21f4000.serial: ttymxc4 at MMIO 0x21f4000 (irq = 72, base_baud = 5000000) is a IMX
[    1.865943] panel-simple panel-lcd: panel-lcd supply power not found, using dummy regulator
[    1.875227] panel-simple panel-lvds0: panel-lvds0 supply power not found, using dummy regulator
[    1.884629] panel-simple panel-lvds1: panel-lvds1 supply power not found, using dummy regulator
[    1.901539] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops)
[    1.907871] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops)
[    1.914173] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops)
[    1.920022] etnaviv-gpu 130000.gpu: model: GC3000, revision: 5450
[    1.928061] etnaviv-gpu 134000.gpu: model: GC320, revision: 5303
[    1.935523] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1216
[    1.941802] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0
[    1.950837] [drm] Initialized etnaviv 1.2.0 20151214 for etnaviv on minor 0
[    1.965327] imx-ipuv3 2400000.ipu: IPUv3H probed
[    1.972925] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    1.979722] [drm] No driver support for vblank timestamp query.
[    1.987382] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops)
[    1.995631] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops)
[    2.003602] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops)
[    2.011477] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops)
[    2.019601] imx-drm display-subsystem: bound disp0 (ops imx_pd_ops)
[    2.027062] dwhdmi-imx 120000.hdmi: Detected HDMI TX controller v1.30a with HDCP (DWC HDMI 3D TX PHY)
[    2.041765] imx-drm display-subsystem: bound 120000.hdmi (ops dw_hdmi_imx_ops)
[    2.049608] [drm] forcing LVDS-1 connector off
[    2.054482] imx-drm display-subsystem: bound ldb (ops imx_ldb_ops)
[    2.064153] [drm] Initialized imx-drm 1.0.0 20120507 for display-subsystem on minor 1
[    2.115243] random: fast init done
[    2.321582] Unable to handle kernel NULL pointer dereference at virtual address 00000008
[    2.321703] pgd = (ptrval)
[    2.321714] [00000008] *pgd=00000000
[    2.321734] Internal error: Oops: 5 [#1] SMP ARM
[    2.321741] Modules linked in:
[    2.321756] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 5.1.0-rc4-00001-g617e72649f0d #38
[    2.321762] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[    2.321779] PC is at i2c_transfer+0x4/0xb4
[    2.321793] LR is at drm_scdc_read+0x4c/0x84
[    2.321800] pc : [<c07d0e9c>]    lr : [<c059cbac>]    psr: 20000013
[    2.321806] sp : da0b37b8  ip : 00000001  fp : 00000005
[    2.321812] r10: 00000058  r9 : 00000780  r8 : 00000438
[    2.321818] r7 : 00000118  r6 : 00000000  r5 : 22df81cd  r4 : c120c908
[    2.321824] r3 : da0b37cf  r2 : 00000002  r1 : da0b37d4  r0 : 00000000
[    2.321833] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
[    2.321840] Control: 10c5387d  Table: 1000404a  DAC: 00000051
[    2.321849] Process swapper/0 (pid: 1, stack limit = 0x(ptrval))
[    2.321856] Stack: (0xda0b37b8 to 0xda0b4000)
[    2.321865] 37a0:                                                       c120c908 22df81cd
[    2.321877] 37c0: 00000000 c059cbac 00000005 2017bb38 da0c0000 00000054 00000001 da0b37cf
[    2.321890] 37e0: 00010054 c0170001 da0b3802 22df81cd 000000fd c120c908 00000000 c059cd40
[    2.321901] 3800: 000000fd 22df81cd da5f6040 c120c908 0000002c c063c0c8 0000000c c019ae30
[    2.321912] 3820: 000000b4 da5f6708 0000002d 00000004 da5f6640 00000000 c0c71188 00000004
[    2.321923] 3840: 00000000 c0bed0b8 00000001 00000000 c063c414 0000000c 0000000c 00000002
[    2.321936] 3860: da5f673c da2cd800 00000000 c0bf1d0c da2cd800 00000000 00000000 22df81cd
[    2.321949] 3880: 00000000 da5f6040 da5f6708 22df81cd da5ed644 da5f6040 da5f6708 00000001
[    2.321960] 38a0: da5ed644 c0effd68 c0c71188 00000004 00000000 c063c424 00000001 00000000
[    2.321972] 38c0: da5f63b8 da5b5200 00000001 c05ba2cc 00000014 c059b538 da5f2800 da5b5200
[    2.321983] 38e0: da5b5200 da5f2800 da5f2800 da609400 00000001 00000004 00000000 c0634130
[    2.321994] 3900: da5b5200 c0c702b4 da5f2800 00000000 da609400 00000001 00000004 c059b704
[    2.322005] 3920: da5b5200 00000000 da5f2800 c059b804 da5ede04 da5b5200 da5f2c08 00000001
[    2.322017] 3940: da609400 c059e7e4 da6094f0 da5f2800 da0c0000 00000009 0000000b 00000000
[    2.322029] 3960: 00000000 c1279f9c 00000000 c1279fa0 c1756980 00000000 c0f02c60 0000000a
[    2.322040] 3980: 00000000 00000000 da5f50a8 da5d5c5c 00000000 22df81cd c1279900 00000000
[    2.322051] 39a0: da609400 00000000 c1279900 da6094f0 c1265704 da5c2000 da018dc8 c05a2440
[    2.322063] 39c0: 00000000 da5c8000 00000000 00000000 c1a6b2f0 c05a24c0 da018c00 c05262bc
[    2.322075] 39e0: 00000000 22df81cd da0c0000 da018c00 00200000 00000000 00000001 00000064
[    2.322086] 3a00: c1a71b80 00000064 0000001e 0000001e 00000001 da018c00 da018e08 00000000
[    2.322097] 3a20: c0c46a34 c1a71b7c c0ef1ccc 00000001 00000000 c0571684 00000001 00000000
[    2.322109] 3a40: da018c00 c0573648 c120c908 c1275d4c 00000001 00000000 0000003e 00000000
[    2.322120] 3a60: c1a71b8c c1a71c9c c1275d4c c0c46a34 00000000 00000001 00000000 00000000
[    2.322132] 3a80: 0000003e 00000001 c1a71b98 c0573bd0 c1275d4c c0efc778 00000001 00000000
[    2.322144] 3aa0: 00000000 c1a6b198 c1265704 da0b3b14 00000005 00000000 00000000 da5c8010
[    2.322155] 3ac0: da5c8298 c0526780 da53d4a4 ffffffff da0b3b14 c014e4e8 00000005 c1265528
[    2.322166] 3ae0: da0b3b14 c1a6b160 c120d6a0 c014ee3c 00000000 c051bbec da5c8000 00000000
[    2.322178] 3b00: c120c908 c051d678 c0ef177c 00000000 00000001 da5c8000 00000000 00000000
[    2.322189] 3b20: 00000000 00000320 000001e0 00000000 00000000 00000000 00000000 00000000
[    2.322201] 3b40: 00000000 00000000 00000000 00000000 00000020 22df81cd c1279900 da609400
[    2.322213] 3b60: da5c8000 da5f2800 c1279900 da6094f0 00000000 00000000 00000004 c05a2080
[    2.322224] 3b80: c1279900 00000320 000001e0 00000780 00000438 00000010 00000010 22df81cd
[    2.322235] 3ba0: c1279900 da609400 da5f2800 00000010 c1279900 da330b80 00000011 c127fe30
[    2.322247] 3bc0: c127fde4 c05a2624 da5f2800 00000010 00000000 da609400 da330b80 c05a2780
[    2.322259] 3be0: da5f2800 da2d3410 00000000 c127ef1c da330b80 c06340d4 da33a4c0 da580380
[    2.322272] 3c00: 00000198 da32bec0 da330b80 c06575b4 c127fde4 da5eac40 da5d4810 da5eac40
[    2.322283] 3c20: da330b80 00000000 c127fe28 c0c70534 c127f084 00000000 da2d2410 c0657688
[    2.322294] 3c40: da5d4810 00000000 c127f084 00000000 00000000 c065f620 da5d4810 c1a7533c
[    2.322306] 3c60: c1a75340 00000000 00000000 c065d548 da5d4810 c127f084 c065d948 c120c908
[    2.322317] 3c80: 00000001 00000000 00000000 c065d794 da5d4810 c120c908 00000001 00000000
[    2.322328] 3ca0: da0b3ce4 c065d948 c120c908 00000001 00000000 c065b9c0 fffffff3 da0deed4
[    2.322340] 3cc0: da32bf54 22df81cd da5d4810 da5d4810 da5d4844 c120c908 c120c908 c065d2f0
[    2.322351] 3ce0: c0f85444 da5d4810 00000001 22df81cd da5d4818 da5d4810 c1280630 c120c908
[    2.322363] 3d00: da5d4810 c065c6ac da5d4818 00000000 da2d2410 c065957c 00000003 c0bd5f00
[    2.322376] 3d20: c120c908 da2d2410 da5d4800 22df81cd da581040 00000000 da5d4800 da5d4810
[    2.322387] 3d40: c127fac4 da5d4800 00000003 c065f454 da581040 da2d2410 dd9f25e8 00000008
[    2.322398] 3d60: c127fac4 da5d4800 00000003 c064bfbc 00000080 da5ea000 00000000 00000000
[    2.322410] 3d80: 00000000 c127fb44 400100d0 ffe000fd 400100d0 ffe000fd 400100d0 ffe000fd
[    2.322421] 3da0: 4077ffff ffe7e1fd 23fffffe 8880fff0 f98fe7d0 fff81fff 400100d0 ffe000fd
[    2.322433] 3dc0: 00000000 22df81cd 00000000 da2d2410 00000000 c127faf8 00000000 00000000
[    2.322445] 3de0: c127faf8 00000000 c0c7cff8 c065f620 da2d2410 c1a7533c c1a75340 00000000
[    2.322457] 3e00: 00000000 c065d548 da2d2410 c127faf8 c127faf8 c120c908 c065f59c c065f5d8
[    2.322468] 3e20: c1280630 c065d794 c120c908 c065f59c c065f5d8 da2d2410 00000000 c127faf8
[    2.322479] 3e40: c120c908 c065f59c c065f5d8 c065da40 00000000 c127faf8 da2d2410 c065daa0
[    2.322492] 3e60: da2b3590 c127faf8 c065da48 c065b8ec da689700 da0deea4 da2b3590 22df81cd
[    2.322504] 3e80: da0deed4 c127faf8 da689700 c1280630 00000000 c065c948 c0f16558 00000000
[    2.322516] 3ea0: 00000003 c127faf8 00000000 00000003 c065f070 c065e720 00000002 00000000
[    2.322527] 3ec0: 00000003 c065f6f8 c0c7cff4 c0c7cfec c120cf48 c12e9ce0 c120c930 c120c908
[    2.322540] 3ee0: c115b390 00000000 c12e8ac8 c12ef580 c118f850 c0103078 00000000 df7fcb5c
[    2.322552] 3f00: 00000105 df7fcb00 c0fe815c 00000105 df7fcb68 c014c27c c0fe6cf8 c0f3c508
[    2.322562] 3f20: 00000000 00000006 00000006 00000000 00000000 df7fcb5c df7fcb64 22df81cd
[    2.322574] 3f40: c120cf48 22df81cd c11a8d9c 00000007 c118f870 c12e9ce0 c12ef580 c120c930
[    2.322585] 3f60: c12ef580 c11011a4 00000006 00000006 00000000 c11004a8 00000105 22df81cd
[    2.322597] 3f80: 00000000 00000000 c0be953c 00000000 00000000 00000000 00000000 00000000
[    2.322607] 3fa0: 00000000 c0be9544 00000000 c01010b4 00000000 00000000 00000000 00000000
[    2.322618] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    2.322628] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[    2.322643] [<c07d0e9c>] (i2c_transfer) from [<c059cbac>] (drm_scdc_read+0x4c/0x84)
[    2.322657] [<c059cbac>] (drm_scdc_read) from [<c059cd40>] (drm_scdc_set_scrambling+0x2c/0xbc)
[    2.322676] [<c059cd40>] (drm_scdc_set_scrambling) from [<c063c0c8>] (dw_hdmi_update_power+0x1610/0x16ec)
[    2.322687] [<c063c0c8>] (dw_hdmi_update_power) from [<c063c424>] (dw_hdmi_bridge_enable+0x30/0x74)
[    2.322705] [<c063c424>] (dw_hdmi_bridge_enable) from [<c05ba2cc>] (drm_bridge_enable+0x24/0x34)
[    2.322719] [<c05ba2cc>] (drm_bridge_enable) from [<c059b538>] (drm_atomic_helper_commit_modeset_enables+0x10c/0x228)
[    2.322738] [<c059b538>] (drm_atomic_helper_commit_modeset_enables) from [<c0634130>] (imx_drm_atomic_commit_tail+0x34/0x150)
[    2.322751] [<c0634130>] (imx_drm_atomic_commit_tail) from [<c059b704>] (commit_tail+0x44/0x70)
[    2.322763] [<c059b704>] (commit_tail) from [<c059b804>] (drm_atomic_helper_commit+0xcc/0x144)
[    2.322777] [<c059b804>] (drm_atomic_helper_commit) from [<c059e7e4>] (restore_fbdev_mode_atomic+0x160/0x1b8)
[    2.322791] [<c059e7e4>] (restore_fbdev_mode_atomic) from [<c05a2440>] (drm_fb_helper_restore_fbdev_mode_unlocked+0x54/0xa8)
[    2.322805] [<c05a2440>] (drm_fb_helper_restore_fbdev_mode_unlocked) from [<c05a24c0>] (drm_fb_helper_set_par+0x2c/0x54)
[    2.322818] [<c05a24c0>] (drm_fb_helper_set_par) from [<c05262bc>] (fbcon_init+0x4b8/0x600)
[    2.322834] [<c05262bc>] (fbcon_init) from [<c0571684>] (visual_init+0xbc/0x104)
[    2.322848] [<c0571684>] (visual_init) from [<c0573648>] (do_bind_con_driver+0x1ec/0x3cc)
[    2.322861] [<c0573648>] (do_bind_con_driver) from [<c0573bd0>] (do_take_over_console+0x138/0x1ec)
[    2.322872] [<c0573bd0>] (do_take_over_console) from [<c0526780>] (do_fbcon_takeover+0x60/0xc0)
[    2.322893] [<c0526780>] (do_fbcon_takeover) from [<c014e4e8>] (notifier_call_chain+0x48/0x80)
[    2.322909] [<c014e4e8>] (notifier_call_chain) from [<c014ee3c>] (blocking_notifier_call_chain+0x50/0x68)
[    2.322927] [<c014ee3c>] (blocking_notifier_call_chain) from [<c051d678>] (register_framebuffer+0x1fc/0x2f0)
[    2.322943] [<c051d678>] (register_framebuffer) from [<c05a2080>] (__drm_fb_helper_initial_config_and_unlock+0x2d4/0x568)
[    2.322957] [<c05a2080>] (__drm_fb_helper_initial_config_and_unlock) from [<c05a2624>] (drm_fbdev_client_hotplug+0xf4/0x1bc)
[    2.322970] [<c05a2624>] (drm_fbdev_client_hotplug) from [<c05a2780>] (drm_fbdev_generic_setup+0x94/0x118)
[    2.322985] [<c05a2780>] (drm_fbdev_generic_setup) from [<c06340d4>] (imx_drm_bind+0x100/0x128)
[    2.323004] [<c06340d4>] (imx_drm_bind) from [<c06575b4>] (try_to_bring_up_master+0x15c/0x19c)
[    2.323018] [<c06575b4>] (try_to_bring_up_master) from [<c0657688>] (__component_add+0x94/0x140)
[    2.323038] [<c0657688>] (__component_add) from [<c065f620>] (platform_drv_probe+0x48/0x98)
[    2.323051] [<c065f620>] (platform_drv_probe) from [<c065d548>] (really_probe+0x1dc/0x2cc)
[    2.323065] [<c065d548>] (really_probe) from [<c065d794>] (driver_probe_device+0x5c/0x160)
[    2.323078] [<c065d794>] (driver_probe_device) from [<c065b9c0>] (bus_for_each_drv+0x7c/0xc4)
[    2.323092] [<c065b9c0>] (bus_for_each_drv) from [<c065d2f0>] (__device_attach+0xcc/0x140)
[    2.323103] [<c065d2f0>] (__device_attach) from [<c065c6ac>] (bus_probe_device+0x88/0x90)
[    2.323114] [<c065c6ac>] (bus_probe_device) from [<c065957c>] (device_add+0x3b8/0x60c)
[    2.323126] [<c065957c>] (device_add) from [<c065f454>] (platform_device_add+0x100/0x208)
[    2.323141] [<c065f454>] (platform_device_add) from [<c064bfbc>] (ipu_probe+0x678/0x910)
[    2.323153] [<c064bfbc>] (ipu_probe) from [<c065f620>] (platform_drv_probe+0x48/0x98)
[    2.323165] [<c065f620>] (platform_drv_probe) from [<c065d548>] (really_probe+0x1dc/0x2cc)
[    2.323177] [<c065d548>] (really_probe) from [<c065d794>] (driver_probe_device+0x5c/0x160)
[    2.323189] [<c065d794>] (driver_probe_device) from [<c065da40>] (device_driver_attach+0x58/0x60)
[    2.323201] [<c065da40>] (device_driver_attach) from [<c065daa0>] (__driver_attach+0x58/0xd0)
[    2.323212] [<c065daa0>] (__driver_attach) from [<c065b8ec>] (bus_for_each_dev+0x70/0xb4)
[    2.323224] [<c065b8ec>] (bus_for_each_dev) from [<c065c948>] (bus_add_driver+0x198/0x1d0)
[    2.323235] [<c065c948>] (bus_add_driver) from [<c065e720>] (driver_register+0x74/0x108)
[    2.323249] [<c065e720>] (driver_register) from [<c065f6f8>] (__platform_register_drivers+0x54/0xd0)
[    2.323265] [<c065f6f8>] (__platform_register_drivers) from [<c0103078>] (do_one_initcall+0x80/0x31c)
[    2.323288] [<c0103078>] (do_one_initcall) from [<c11011a4>] (kernel_init_freeable+0x300/0x3dc)
[    2.323305] [<c11011a4>] (kernel_init_freeable) from [<c0be9544>] (kernel_init+0x8/0x110)
[    2.323317] [<c0be9544>] (kernel_init) from [<c01010b4>] (ret_from_fork+0x14/0x20)
[    2.323323] Exception stack(0xda0b3fb0 to 0xda0b3ff8)
[    2.323332] 3fa0:                                     00000000 00000000 00000000 00000000
[    2.323342] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    2.323352] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[    2.323363] Code: c0f40168 c0f40144 c0f40118 e92d4070 (e5903008) 
[    2.323392] ---[ end trace 81b5969d88ca4936 ]---
[    2.323431] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[    2.323452] CPU0: stopping
[    2.323465] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D           5.1.0-rc4-00001-g617e72649f0d #38
[    2.323470] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[    2.323495] [<c01127c8>] (unwind_backtrace) from [<c010ce10>] (show_stack+0x10/0x14)
[    2.323515] [<c010ce10>] (show_stack) from [<c0bd0ad4>] (dump_stack+0xd8/0x110)
[    2.323530] [<c0bd0ad4>] (dump_stack) from [<c0110d6c>] (handle_IPI+0x344/0x3ac)
[    2.323549] [<c0110d6c>] (handle_IPI) from [<c04df5d8>] (gic_handle_irq+0x94/0xa8)
[    2.323562] [<c04df5d8>] (gic_handle_irq) from [<c0101a70>] (__irq_svc+0x70/0x98)
[    2.323568] Exception stack(0xc1201f10 to 0xc1201f58)
[    2.323578] 1f00:                                     c0109530 00000000 60000093 00000000
[    2.323590] 1f20: ffffe000 c120c930 00000001 c120c96c 00000000 c120c908 00000000 c120c980
[    2.323600] 1f40: 00000001 c1201f60 c0109530 c0109534 60000013 ffffffff
[    2.323615] [<c0101a70>] (__irq_svc) from [<c0109534>] (arch_cpu_idle+0x20/0x3c)
[    2.323629] [<c0109534>] (arch_cpu_idle) from [<c015d72c>] (do_idle+0x1e4/0x2b8)
[    2.323640] [<c015d72c>] (do_idle) from [<c015db94>] (cpu_startup_entry+0x18/0x1c)
[    2.323653] [<c015db94>] (cpu_startup_entry) from [<c1100df8>] (start_kernel+0x3ec/0x498)
[    2.323665] [<c1100df8>] (start_kernel) from [<00000000>] (  (null))
[    2.323673] CPU2: stopping
[    2.323685] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G      D           5.1.0-rc4-00001-g617e72649f0d #38
[    2.323690] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[    2.323709] [<c01127c8>] (unwind_backtrace) from [<c010ce10>] (show_stack+0x10/0x14)
[    2.323726] [<c010ce10>] (show_stack) from [<c0bd0ad4>] (dump_stack+0xd8/0x110)
[    2.323739] [<c0bd0ad4>] (dump_stack) from [<c0110d6c>] (handle_IPI+0x344/0x3ac)
[    2.323754] [<c0110d6c>] (handle_IPI) from [<c04df5d8>] (gic_handle_irq+0x94/0xa8)
[    2.323767] [<c04df5d8>] (gic_handle_irq) from [<c0101a70>] (__irq_svc+0x70/0x98)
[    2.323774] Exception stack(0xda0eff60 to 0xda0effa8)
[    2.323787] ff60: c0109530 00000000 60000093 00000000 ffffe000 c120c930 00000004 c120c96c
[    2.323800] ff80: 00000000 c120c908 00000000 c120c980 00000001 da0effb0 c0109530 c0109534
[    2.323806] ffa0: 60000013 ffffffff
[    2.323820] [<c0101a70>] (__irq_svc) from [<c0109534>] (arch_cpu_idle+0x20/0x3c)
[    2.323832] [<c0109534>] (arch_cpu_idle) from [<c015d72c>] (do_idle+0x1e4/0x2b8)
[    2.323843] [<c015d72c>] (do_idle) from [<c015db94>] (cpu_startup_entry+0x18/0x1c)
[    2.323854] [<c015db94>] (cpu_startup_entry) from [<101027cc>] (0x101027cc)
[    2.323862] CPU1: stopping
[    2.323873] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G      D           5.1.0-rc4-00001-g617e72649f0d #38
[    2.323879] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[    2.323897] [<c01127c8>] (unwind_backtrace) from [<c010ce10>] (show_stack+0x10/0x14)
[    2.323913] [<c010ce10>] (show_stack) from [<c0bd0ad4>] (dump_stack+0xd8/0x110)
[    2.323927] [<c0bd0ad4>] (dump_stack) from [<c0110d6c>] (handle_IPI+0x344/0x3ac)
[    2.323941] [<c0110d6c>] (handle_IPI) from [<c04df5d8>] (gic_handle_irq+0x94/0xa8)
[    2.323953] [<c04df5d8>] (gic_handle_irq) from [<c0101a70>] (__irq_svc+0x70/0x98)
[    2.323960] Exception stack(0xda0edf60 to 0xda0edfa8)
[    2.323973] df60: c0109530 00000000 60000093 00000000 ffffe000 c120c930 00000002 c120c96c
[    2.323985] df80: 00000000 c120c908 00000000 c120c980 00000001 da0edfb0 c0109530 c0109534
[    2.323991] dfa0: 60000013 ffffffff
[    2.324005] [<c0101a70>] (__irq_svc) from [<c0109534>] (arch_cpu_idle+0x20/0x3c)
[    2.324016] [<c0109534>] (arch_cpu_idle) from [<c015d72c>] (do_idle+0x1e4/0x2b8)
[    2.324028] [<c015d72c>] (do_idle) from [<c015db94>] (cpu_startup_entry+0x18/0x1c)
[    2.324037] [<c015db94>] (cpu_startup_entry) from [<101027cc>] (0x101027cc)
[    3.791311] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]---


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