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[Bug 463127] intel: X server hangs while running KDE4 applications (945GM)
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Sun, 4 Jan 2009 16:20:19 -0700 (MST)
  • Message-id: <20090104232019.6AF94245390@xxxxxxxxxxxxxxxxxxxxxx>
https://bugzilla.novell.com/show_bug.cgi?id=463127

User rjw@xxxxxxxxxx added comment
https://bugzilla.novell.com/show_bug.cgi?id=463127#c7





--- Comment #7 from Rafael Wysocki <rjw@xxxxxxxxxx> 2009-01-04 16:20:11 MST ---
(In reply to comment #5 from Rafael Wysocki)

Interestingly enough, the hangs always happen when browsing the contents of a
window using the mouse wheel.

This information was not correct. It also hangs during other kinds of activity
causing the contents of a window to change quickly in response to either mouse
or keyboard actions (like viewing a message in the message preview window in
KMail or rewinding a Bugzilla page etc.).

When it hangs I can log into the box over SSH and do
'echo t > /proc/sysrq-trigger'. Then, I always get the following trace for
Xorg:

Xorg S ffff880001014350 0 3068 3050
ffff8800794b9d48 0000000000000082 ffff8800794b9c98 ffffffff8024ff75
ffffffff80676000 ffffffff80676000 ffffffff80676000 ffffffff80676000
ffffffff80676000 ffffffff80676000 ffffffff80672de0 ffffffff80676000
Call Trace:
[<ffffffff8024ff75>] ? unlock_hrtimer_base+0x13/0x15
[<ffffffff80243b22>] ? __mod_timer+0xb3/0xc5
[<ffffffff8044c065>] schedule_timeout+0x90/0xbf
[<ffffffff802435d0>] ? process_timeout+0x0/0xb
[<ffffffff80243a8b>] ? __mod_timer+0x1c/0xc5
[<ffffffffa0533eec>] i915_irq_wait+0x136/0x1d1 [i915]
[<ffffffff8023320f>] ? default_wake_function+0x0/0xf
[<ffffffffa0533db6>] ? i915_irq_wait+0x0/0x1d1 [i915]
[<ffffffffa0503160>] drm_ioctl+0x1d6/0x26a [drm]
[<ffffffff802b3f00>] vfs_ioctl+0x5e/0x77
[<ffffffff802b4299>] do_vfs_ioctl+0x380/0x3b8
[<ffffffff802b4328>] sys_ioctl+0x57/0x7a
[<ffffffff8020bfbb>] system_call_fastpath+0x16/0x1b

that seems to point towards the graphics driver.


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