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[Launchpad Bug Tracker <393041@xxxxxxxxxxxxxxxxxx>]

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Ubuntu GNU/Linux 9.04
xine 0.99.6

How to reproduce:
Running Firefox 3.5 RC3 with two tabs
Xine playing .avi movie

Start playing movie and try to raise xine volume level with Shift+v and
everything hangs except the cursor which can still be moved around.

messages from syslog around the time of problem:

Jun 27 20:29:43 Rozisoft kernel: [  362.193341] INFO: task events/0:9 blocked for more than 120 seconds.
Jun 27 20:29:43 Rozisoft kernel: [  362.193348] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 27 20:29:43 Rozisoft kernel: [  362.193354] events/0      D 0000002a     0     9      2
Jun 27 20:29:43 Rozisoft kernel: [  362.193362]  f709bf2c 00000046 9aa92c02 0000002a c49cb558 f7096130 c05a9324 c067a520
Jun 27 20:29:43 Rozisoft kernel: [  362.193376]  c067a520 c0677144 c0431e28 f7096130 f70963c4 c49cb520 00000000 00000000
Jun 27 20:29:43 Rozisoft kernel: [  362.193389]  c49cb558 c0431e28 c49cb520 f7096130 00000000 c067a520 c2e7f040 f70963c4
Jun 27 20:29:43 Rozisoft kernel: [  362.193402] Call Trace:
Jun 27 20:29:43 Rozisoft kernel: [  362.193416]  [<c04286f4>] ? __schedule+0x75f/0x7bc
Jun 27 20:29:43 Rozisoft kernel: [  362.193424]  [<c0137511>] ? lock_timer_base+0x1f/0x3e
Jun 27 20:29:43 Rozisoft kernel: [  362.193434]  [<c0428e33>] __mutex_lock_common+0xdf/0x12f
Jun 27 20:29:43 Rozisoft kernel: [  362.193441]  [<c0428e95>] __mutex_lock_slowpath+0x12/0x15
Jun 27 20:29:43 Rozisoft kernel: [  362.193448]  [<c0428f38>] ? mutex_lock+0x1a/0x28
Jun 27 20:29:43 Rozisoft kernel: [  362.193455]  [<c0428f38>] mutex_lock+0x1a/0x28
Jun 27 20:29:43 Rozisoft kernel: [  362.193485]  [<f854f672>] i915_gem_retire_work_handler+0x22/0x57 [i915]
Jun 27 20:29:43 Rozisoft kernel: [  362.193493]  [<c013ce90>] worker_thread+0x13a/0x1bf
Jun 27 20:29:43 Rozisoft kernel: [  362.193518]  [<f854f650>] ? i915_gem_retire_work_handler+0x0/0x57 [i915]
Jun 27 20:29:43 Rozisoft kernel: [  362.193527]  [<c013ff67>] ? autoremove_wake_function+0x0/0x33
Jun 27 20:29:43 Rozisoft kernel: [  362.193534]  [<c013cd56>] ? worker_thread+0x0/0x1bf
Jun 27 20:29:43 Rozisoft kernel: [  362.193541]  [<c013fc70>] kthread+0x45/0x6b
Jun 27 20:29:43 Rozisoft kernel: [  362.193548]  [<c013fc2b>] ? kthread+0x0/0x6b

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New

-- 
attempt to change volume causes graphics hang
https://bugs.edge.launchpad.net/bugs/393041
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