[Bug 95125] New: [BAT SNB] pipe A vblank wait timed out

[bugzilla-daemon at freedesktop.org]

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

            Bug ID: 95125
           Summary: [BAT SNB] pipe A vblank wait timed out
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: joonas.lahtinen at linux.intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Happens during: kms_pipe_crc_basic --run-subtest hang-read-crc-pipe-A

Relevant error:
[   64.438319] ------------[ cut here ]------------
[   64.438344] WARNING: CPU: 6 PID: 5753 at
drivers/gpu/drm/i915/intel_display.c:13529 intel_atomic_commit+0x1271/0x1400
[i915]
[   64.438345] pipe A vblank wait timed out
[   64.438347] Modules linked in: smsc75xx usbnet mii snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal
intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
i915 snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core mei_me snd_pcm mei
lpc_ich broadcom bcm_phy_lib tg3 ptp pps_core
[   64.438371] CPU: 6 PID: 5753 Comm: kms_pipe_crc_ba Not tainted
4.6.0-rc4-CI-Patchwork_2031+ #1
[   64.438373] Hardware name: Dell Inc. XPS 8300  /0Y2MRG, BIOS A06 10/17/2011
[   64.438374]  0000000000000000 ffff880129437b28 ffffffff81405db5
ffff880129437b78
[   64.438378]  0000000000000000 ffff880129437b68 ffffffff81079c7c
000034d92928e500
[   64.438381]  0000000000000001 ffff88003657b3f8 0000000000000000
0000000000000000
[   64.438384] Call Trace:
[   64.438389]  [<ffffffff81405db5>] dump_stack+0x67/0x92
[   64.438393]  [<ffffffff81079c7c>] __warn+0xcc/0xf0
[   64.438396]  [<ffffffff81079cea>] warn_slowpath_fmt+0x4a/0x50
[   64.438400]  [<ffffffff810c2df9>] ? finish_wait+0x59/0x70
[   64.438418]  [<ffffffffa017acf1>] intel_atomic_commit+0x1271/0x1400 [i915]
[   64.438420]  [<ffffffff810c2f60>] ? wait_woken+0x90/0x90
[   64.438423]  [<ffffffff81538d72>] drm_atomic_commit+0x32/0x50
[   64.438426]  [<ffffffff8151574d>] drm_atomic_helper_set_config+0x7d/0xb0
[   64.438429]  [<ffffffff815277d0>] drm_mode_set_config_internal+0x60/0x110
[   64.438430]  [<ffffffff8152c769>] drm_mode_setcrtc+0x199/0x500
[   64.438432]  [<ffffffff8151e74d>] drm_ioctl+0x13d/0x590
[   64.438433]  [<ffffffff8152c5d0>] ? drm_mode_setplane+0x1d0/0x1d0
[   64.438436]  [<ffffffff811ee0aa>] do_vfs_ioctl+0x8a/0x670
[   64.438438]  [<ffffffff811f9f3a>] ? __fget_light+0x6a/0x90
[   64.438439]  [<ffffffff811ee6cc>] SyS_ioctl+0x3c/0x70
[   64.438442]  [<ffffffff817d2fe9>] entry_SYSCALL_64_fastpath+0x1c/0xac
[   64.438444] ---[ end trace 92fddd8024f6b711 ]---
[   72.825698] drm/i915: Resetting chip after gpu hang

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