[Bug 95125] [BAT SNB IVB] kms_pipe_crc_basic/hang-read-crc-pipe-? vblank wait timed out

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95125

--- Comment #6 from Tvrtko Ursulin <tvrtko.ursulin at linux.intel.com> ---
Another failure on BYT/kms_flip/basic-flip-vs-dpms looks similar enough
(/archive/results/CI_IGT_test/RO_Patchwork_1335/):

[  459.087969] ------------[ cut here ]------------
[  459.088252] WARNING: CPU: 1 PID: 7674 at
drivers/gpu/drm/i915/intel_display.c:13669
intel_atomic_commit_tail+0x1179/0x1180 [i915]
[  459.088261] pipe B vblank wait timed out
[  459.088266] Modules linked in: snd_hda_intel i915 drm_kms_helper drm
snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic intel_powerclamp
snd_hda_codec coretemp crct10dif_pclmul crc32_pclmul snd_hwdep
ghash_clmulni_intel snd_hda_core snd_pcm lpc_ich i2c_algo_bit syscopyarea
sysfillrect sysimgblt fb_sys_fops i2c_hid i2c_designware_platform
i2c_designware_core r8169 mii sdhci_acpi sdhci mmc_core [last unloaded: vgem]
[  459.088353] CPU: 1 PID: 7674 Comm: kms_flip Tainted: G     U         
4.7.0-rc5-gfxbench-RO_Patchwork_1335+ #1
[  459.088360] Hardware name:
\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff
\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff/DN2820FYK,
BIOS FYBYT10H.86A.0053.2016.0205.1707 02/05/2016
[  459.088366]  0000000000000000 ffff8800b6777ac0 ffffffff8140e495
ffff8800b6777b10
[  459.088395]  0000000000000000 ffff8800b6777b00 ffffffff8107a996
0000356500000296
[  459.088421]  0000000000000158 ffff8800366b9158 0000000000000004
0000000000000001
[  459.088435] Call Trace:
[  459.088449]  [<ffffffff8140e495>] dump_stack+0x67/0x92
[  459.088458]  [<ffffffff8107a996>] __warn+0xc6/0xe0
[  459.088470]  [<ffffffff8107a9fa>] warn_slowpath_fmt+0x4a/0x50
[  459.088487]  [<ffffffff810c4719>] ? finish_wait+0x59/0x70
[  459.088562]  [<ffffffffa04a4589>] intel_atomic_commit_tail+0x1179/0x1180
[i915]
[  459.088575]  [<ffffffff810d009f>] ? mark_held_locks+0x6f/0xa0
[  459.088588]  [<ffffffff810d01f2>] ? trace_hardirqs_on_caller+0x122/0x1b0
[  459.088601]  [<ffffffff810c48e0>] ? wake_atomic_t_function+0x60/0x60
[  459.088675]  [<ffffffffa04a4a0c>] intel_atomic_commit+0x47c/0x5a0 [i915]
[  459.088703]  [<ffffffffa01233c1>] ?
__drm_atomic_helper_crtc_duplicate_state+0x51/0xa0 [drm_kms_helper]
[  459.088750]  [<ffffffffa036b002>] drm_atomic_commit+0x32/0x50 [drm]
[  459.088776]  [<ffffffffa0122ca8>]
drm_atomic_helper_connector_dpms+0xe8/0x1a0 [drm_kms_helper]
[  459.088815]  [<ffffffffa03582e0>] ? _object_find+0x70/0xe0 [drm]
[  459.088856]  [<ffffffffa035f3b4>]
drm_mode_obj_set_property_ioctl+0x224/0x230 [drm]
[  459.088894]  [<ffffffffa035f3eb>]
drm_mode_connector_property_set_ioctl+0x2b/0x30 [drm]
[  459.088924]  [<ffffffffa0350b6e>] drm_ioctl+0x13e/0x530 [drm]
[  459.088959]  [<ffffffffa035f3c0>] ?
drm_mode_obj_set_property_ioctl+0x230/0x230 [drm]
[  459.088970]  [<ffffffff811df513>] ? __vfs_read+0x23/0x110
[  459.088978]  [<ffffffff811f2f1e>] do_vfs_ioctl+0x8e/0x660
[  459.088986]  [<ffffffff810e60bd>] ? debug_lockdep_rcu_enabled+0x1d/0x20
[  459.088994]  [<ffffffff811ffe2a>] ? __fget_light+0x6a/0x90
[  459.089001]  [<ffffffff811f352c>] SyS_ioctl+0x3c/0x70
[  459.089011]  [<ffffffff817ad269>] entry_SYSCALL_64_fastpath+0x1c/0xac
[  459.092250] ---[ end trace 0c0033dfddd287b4 ]---

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