Bug 21923

Summary:

[965Q/KMS] GUI deadlock when starting to play video (mouse still works)

Product:

DRI

Reporter:

Priit Laes (irc: plaes) <plaes>

Component:

DRM/Intel

Assignee:

Gordon Jin <gordon.jin>

Status:

CLOSED WORKSFORME

QA Contact:

Severity:

normal

Priority:

medium

CC:

remi

Version:

XOrg git

Keywords:

NEEDINFO

Hardware:

Other

OS:

All

Whiteboard:

i915 platform:

i915 features:

Attachments:

Description	Flags
Xorg.0.log	none

Description Priit Laes (irc: plaes) 2009-05-25 02:18:22 UTC

Kernel: 2.6.30-rc7, x86_64 / no xorg.conf / kms enabled
x11-libs/libdrm-2.4.11 
media-libs/mesa-7.4.2 
x11-base/xorg-server-1.6.1.901-r2
x11-drivers/xf86-video-intel-2.7.1 

When starting to play a video - display hangs (although mouse still works).

After some time, dmesg contains following:

[  840.200074] INFO: task events/0:9 blocked for more than 120 seconds.
[  840.200078] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  840.200081] events/0      D ffff88007e088fa0  5928     9      2
[  840.200089]  ffff88007e099da0 0000000000000046 0000000000000000 ffff8800010eb1c0
[  840.200096]  ffff880071d12a80 0000000000004000 00000000000111c0 000000000000c738
[  840.200102]  0000000000000000 0000000000000000 ffff88007e088fa0 ffffffff81641440
[  840.200109] Call Trace:
[  840.200120]  [<ffffffff81246391>] ? i915_gem_retire_work_handler+0x2a/0x68
[  840.200126]  [<ffffffff81453b02>] mutex_lock_nested+0x158/0x25d
[  840.200131]  [<ffffffff81246391>] ? i915_gem_retire_work_handler+0x2a/0x68
[  840.200137]  [<ffffffff81246391>] i915_gem_retire_work_handler+0x2a/0x68
[  840.200143]  [<ffffffff810655c3>] worker_thread+0x1fa/0x30a
[  840.200148]  [<ffffffff8106556c>] ? worker_thread+0x1a3/0x30a
[  840.200153]  [<ffffffff81246367>] ? i915_gem_retire_work_handler+0x0/0x68
[  840.200158]  [<ffffffff8106969a>] ? autoremove_wake_function+0x0/0x38
[  840.200164]  [<ffffffff810653c9>] ? worker_thread+0x0/0x30a
[  840.200168]  [<ffffffff810653c9>] ? worker_thread+0x0/0x30a
[  840.200173]  [<ffffffff810692c5>] kthread+0x56/0x83
[  840.200179]  [<ffffffff8102aafa>] child_rip+0xa/0x20
[  840.200183]  [<ffffffff8106926f>] ? kthread+0x0/0x83
[  840.200188]  [<ffffffff8102aaf0>] ? child_rip+0x0/0x20
[  840.200192] 3 locks held by events/0/9:
[  840.200194]  #0:  (events){......}, at: [<ffffffff8106556c>] worker_thread+0x1a3/0x30a
[  840.200203]  #1:  (&(&dev_priv->mm.retire_work)->work){......}, at: [<ffffffff8106556c>] worker_thread+0x1a3/0x30a
[  840.200211]  #2:  (&dev->struct_mutex){......}, at: [<ffffffff81246391>] i915_gem_retire_work_handler+0x2a/0x68

Comment 1 Priit Laes (irc: plaes) 2009-05-25 02:27:03 UTC

Created attachment 26193 [details]
Xorg.0.log

Comment 2 Gordon Jin 2009-05-26 22:42:23 UTC

Could you provide gpu dump according to http://intellinuxgraphics.org/intel-gpu-dump.html?

Comment 3 Priit Laes (irc: plaes) 2009-05-26 23:34:46 UTC

x11-base/xorg-server-1.6.1.901-r3 fixed this issue :)

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