https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3336/shard-glkb2/igt@drv_selftest@mock_sanitycheck.html

Note this doesn't look like the same issue as bug 103709.

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3336/shard-glkb2/dmesg-1510497477_Panic_3.log

<12>[ 4135.577054] owatch: TIMEOUT!
<12>[ 4135.577109] owatch: timeout for /dev/watchdog0 set to 10 (requested 10)
<6>[ 4135.577165] sysrq: SysRq : Trigger a crash
<1>[ 4135.577181] BUG: unable to handle kernel NULL pointer dereference at           (null)
<1>[ 4135.577202] IP: sysrq_handle_crash+0x45/0x80
<6>[ 4135.577211] PGD 157a4f067 P4D 157a4f067 PUD 167d74067 PMD 0 
<4>[ 4135.577248] Oops: 0002 [#2] PREEMPT SMP
<0>[ 4135.577259] Dumping ftrace buffer:
<0>[ 4135.577270]    (ftrace buffer empty)
<4>[ 4135.577277] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp i915 coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm r8169 mii mei_me mei prime_numbers i2c_hid pinctrl_geminilake pinctrl_intel
<4>[ 4135.577350] CPU: 3 PID: 14304 Comm: owatch Tainted: G     UD W       4.14.0-rc8-CI-CI_DRM_3336+ #1
<4>[ 4135.577364] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07), BIOS GELKRVPA.X64.0062.B30.1708222146 08/22/2017
<4>[ 4135.577380] task: ffff880175248040 task.stack: ffffc9000028c000
<4>[ 4135.577391] RIP: 0010:sysrq_handle_crash+0x45/0x80
<4>[ 4135.577399] RSP: 0018:ffffc9000028fde0 EFLAGS: 00010282
<4>[ 4135.577409] RAX: ffff880175248040 RBX: 0000000000000063 RCX: 0000000000000001
<4>[ 4135.577420] RDX: ffffffff8159d19b RSI: 0000000000000001 RDI: ffffffff81e4d600
<4>[ 4135.577431] RBP: ffffc9000028fde0 R08: 0000000000000001 R09: 0000000000000000
<4>[ 4135.577442] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
<4>[ 4135.577453] R13: 000000000000000f R14: ffffffff81ebefc0 R15: ffffc9000028ff20
<4>[ 4135.577464] FS:  00007fd2fbff1700(0000) GS:ffff88017fd80000(0000) knlGS:0000000000000000
<4>[ 4135.577477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 4135.577486] CR2: 0000000000000000 CR3: 0000000156a9f000 CR4: 00000000003406e0
<4>[ 4135.577497] Call Trace:
<4>[ 4135.577505]  __handle_sysrq+0x132/0x210
<4>[ 4135.577513]  write_sysrq_trigger+0x51/0x60
<4>[ 4135.577523]  proc_reg_write+0x42/0x70
<4>[ 4135.577532]  __vfs_write+0x28/0x130
<4>[ 4135.577540]  ? rcu_sync_lockdep_assert+0x12/0x60
<4>[ 4135.577549]  ? __sb_start_write+0x10c/0x200
<4>[ 4135.577558]  vfs_write+0xc8/0x1c0
<4>[ 4135.577566]  SyS_write+0x49/0xb0
<4>[ 4135.577575]  entry_SYSCALL_64_fastpath+0x1c/0xb1
<4>[ 4135.577583] RIP: 0033:0x7fd2fbb1d8f0
<4>[ 4135.577590] RSP: 002b:00007ffe9159d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
<4>[ 4135.577603] RAX: ffffffffffffffda RBX: 000000000221f020 RCX: 00007fd2fbb1d8f0
<4>[ 4135.577614] RDX: 0000000000000001 RSI: 000000000221f250 RDI: 0000000000000003
<4>[ 4135.577625] RBP: 00007fd2fbde3400 R08: 00007fd2fbff1700 R09: 0000000000000410
<4>[ 4135.577636] R10: 00007fd2fbde6b58 R11: 0000000000000246 R12: 0000000000000000
<4>[ 4135.577647] R13: 00007ffe9159d280 R14: 0000000000000000 R15: 0000000000000000
<4>[ 4135.577661] Code: 34 e8 80 ea b5 ff 48 c7 c2 9b d1 59 81 be 01 00 00 00 48 c7 c7 00 d6 e4 81 e8 a8 05 b4 ff c7 05 4e 0c b7 00 01 00 00 00 0f ae f8 <c6> 04 25 00 00 00 00 01 5d c3 e8 0c 19 b6 ff 84 c0 75 c3 48 c7 
<1>[ 4135.577754] RIP: sysrq_handle_crash+0x45/0x80 RSP: ffffc9000028fde0
<4>[ 4135.577763] CR2: 0000000000000000
<4>[ 4135.577771] ---[ end trace 62b3de80e2671876 ]---
<0>[ 4135.593225] Kernel panic - not syncing: Fatal exception
<0>[ 4135.593277] Dumping ftrace buffer:
<0>[ 4135.593290]    (ftrace buffer empty)
<0>[ 4135.593300] Kernel Offset: disabled