Bug 91655

Summary:	[bsw hdmi] sporadic vblank timeouts
Product:	DRI	Reporter:	Chris Wilson <chris>
Component:	DRM/Intel	Assignee:	Chris Wilson <chris>
Status:	CLOSED FIXED	QA Contact:	Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity:	normal
Priority:	medium	CC:	intel-gfx-bugs
Version:	DRI git
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:	BSW/CHT	i915 features:	display/HDMI

Description Chris Wilson 2015-08-16 08:29:59 UTC

[20948.578406] WARNING: CPU: 0 PID: 1128 at drivers/gpu/drm/drm_irq.c:1180 drm_wait_one_vblank+0x144/0x190()
[20948.578415] vblank wait timed out on crtc 2
[20948.578429] CPU: 0 PID: 1128 Comm: Xorg Tainted: G        W       4.2.0-rc6+ #53
[20948.578436] Hardware name:                  /NUC5CPYB, BIOS PYBSWCEL.86A.0027.2015.0507.1758 05/07/2015
[20948.578445]  ffffffff81ac807b ffff880275393a58 ffffffff815f9ab3 0000000000000007
[20948.578460]  ffff880275393aa8 ffff880275393a98 ffffffff8106e175 ffff880275393af8
[20948.578472]  ffff880277adf800 0000000000000002 000000000012ddbc ffff88007144eb28
[20948.578485] Call Trace:
[20948.578504]  [<ffffffff815f9ab3>] dump_stack+0x45/0x57
[20948.578516]  [<ffffffff8106e175>] warn_slowpath_common+0x85/0xc0
[20948.578538]  [<ffffffff8106e226>] warn_slowpath_fmt+0x46/0x50
[20948.578558]  [<ffffffff810a37e9>] ? finish_wait+0x59/0x70
[20948.578574]  [<ffffffff81343cf4>] drm_wait_one_vblank+0x144/0x190
[20948.578592]  [<ffffffff810a32a0>] ? __wake_up_common+0x90/0x90
[20948.578612]  [<ffffffff813d5280>] intel_atomic_commit+0x3a0/0x1390
[20948.578631]  [<ffffffff8135d2c4>] ? drm_atomic_check_only+0x1d4/0x590
[20948.578648]  [<ffffffff8135c6c1>] ? drm_atomic_get_connector_state+0x51/0x120
[20948.578663]  [<ffffffff8135d6b7>] drm_atomic_commit+0x37/0x60
[20948.578678]  [<ffffffff8133b9b4>] drm_atomic_helper_set_config+0x1c4/0x430
[20948.578697]  [<ffffffff8134cea6>] drm_mode_set_config_internal+0x66/0x100
[20948.578713]  [<ffffffff8134d329>] drm_mode_setcrtc+0x189/0x4e0
[20948.578731]  [<ffffffff813423d6>] drm_ioctl+0x196/0x620
[20948.578752]  [<ffffffff811618fa>] do_vfs_ioctl+0x2ba/0x490
[20948.578772]  [<ffffffff811531d8>] ? __sb_end_write+0x38/0x70
[20948.578790]  [<ffffffff81150585>] ? vfs_write+0x175/0x190
[20948.578806]  [<ffffffff81161b11>] SyS_ioctl+0x41/0x70
[20948.578824]  [<ffffffff8160035b>] entry_SYSCALL_64_fastpath+0x16/0x6e
[20948.578838] ---[ end trace 4e73fc07bd8838ba ]---

Comment 1 yann 2017-02-24 07:18:42 UTC

Chris, does it still occur ? If not please close it, otherwise please REOPEN with latest info.

Comment 2 Jari Tahvanainen 2017-04-19 15:32:02 UTC

Timeout - Assuming resolved+fixed. Please mark this as REOPENED if problem still persist with the latest kernel (preferable from drm-tip).

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