** Changed in: xserver-xorg-video-intel
Importance: Unknown = Critical
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Title:
[g45] jaunty X EQ overflow infinite loop hang
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** Changed in: xserver-xorg-video-intel
Importance: Critical = Unknown
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Title:
[g45] jaunty X EQ overflow infinite loop hang
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** Changed in: linux
Status: Confirmed = Fix Released
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2.6.28-5.12
* drm/i915: set vblank enabled flag correctly across IRQ
* drm/i915: don't enable vblanks on disabled pipes
** Also affects: linux (Ubuntu Jaunty)
Importance: High
Assignee: Tim Gardner (timg-tpi)
Status: Fix Committed
** Changed in: linux (Ubuntu Jaunty)
Matteo, I had the exact same experience yesterday and filed this bug:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/320525
I also mentioned it in #ubuntu-x and they said it will be fixed as soon
as intel xorg ddx driver 2.6.1 hits apt. Indeed this morning I got new
Yes, everything is now working.
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This particular bug is now fixed for me with the latest set of updates.
However, I'm now hitting the very annoying LP #320813
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On Thu, Jan 22, 2009 at 10:22:03PM -, nicobrainless wrote:
Still I don't find the file to patch on my lappy, sorry for the noob
question but how do I apply them??
The kernels are close to release into Jaunty. Hopefully today.
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[g45] jaunty X EQ overflow infinite loop hang
According to Timo It appears that the mesa and drm header interaction
should now be resolved.
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Right now I received an update of libdrm and the X stopped working. Instead of
the login screen it was filled by black-and-white squares.
Am I missing something and something else should be updated or it's just
another bug?
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[g45] jaunty X EQ overflow infinite loop hang
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Tim Gardner (timg-tpi)
Status: Triaged = Fix Committed
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Yay... finally somewhere with a solution to those crazy hung-ups!
Still I don't find the file to patch on my lappy, sorry for the noob
question but how do I apply them??
thanks
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** Changed in: xserver-xorg-video-intel
Status: Confirmed = Fix Released
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Here is the upstream patches.
** Attachment added: upstream vblank patches (libdrm + kernel drm + kernel
i915)
http://launchpadlibrarian.net/21310663/upstream_vblank_libdrm_and_kernel_patches.tgz
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You
Here is a set of slightly modified patches that will apply cleanly to
jaunty as of jan 18th (in this version the drm and i915 kernel patches
have been merged into a single .patch file). Please note that these
patches will likely not apply cleanly later on when jaunty gets new
versions of
looks like it should be fixed in the kernel.
** Changed in: linux (Ubuntu)
Sourcepackagename: xserver-xorg-video-intel = linux
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Isn't Jaunty moving ahead to libdrm 2.4.4 (making the libdrm patches
here obsolete)?
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Yup, that's correct. Patches are for testing only (i'm running with
these patches now to verify that they actually do remove the
drmWaitForVBlank bug).
Timo said earlier that libdrm 2.4.4 is ready, but it (and intel 2.6.0)
is blocked by mesa not building against the drm headers provided by the
As it's not completely clear in the upstream bug reports, the kernel branch
where the fixes are located is:
git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel.git
drm-intel-2.6.28
You can see them on: http://git.kernel.org/?p=linux/kernel/git/anholt
I can confirm this issue too and that the patches does their job.
Without these patches my system (Dell E6400) was too unstable to use, I
think they should be included in Jaunty asap.
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You received this bug
I can confirm this issue, also on a g45. With my setup, the overflows
happen after only a couple of hours of normal usage, if compiz is
enabled. Various OpenGL applications, such as screensavers can trigger
it as well. Backtrace is always similar to what's posted here. Examples
from my setup can
** Tags added: crash
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** Summary changed:
- g45 jaunty X EQ overflow infinite loop hang
+ [g45] jaunty X EQ overflow infinite loop hang
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided = High
Status: New = Triaged
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[g45] jaunty X EQ overflow infinite loop hang
** Bug watch added: Linux Kernel Bug Tracker #12166
http://bugzilla.kernel.org/show_bug.cgi?id=12166
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=12166
Importance: Unknown
Status: Unknown
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[g45] jaunty X EQ overflow infinite loop hang
** Changed in: linux
Status: Unknown = Confirmed
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Today I found my jauny xorg hung again, I saw the exact same stack in
gdb as the one I reported above. However, this time the xorg_log did not
mention EQ overflow. Could be another bug or maybe this gives some
clue about this particular bug. I'm attaching the xorg_log from today
that doesn't show
I just hit this exact same spontaneous Xorg freeze again (I was browsing
a pdf in evince this time). That's two freezes in one day.
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** Tags added: g45 intel jaunty xorg
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** Attachment added: gdb.txt
http://launchpadlibrarian.net/20280797/gdb.txt
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** Attachment added: xorg_log showing inf loop backtrace related to EQ
overflow
http://launchpadlibrarian.net/20280802/xorg_log.txt
** Bug watch added: freedesktop.org Bugzilla #18922
https://bugs.freedesktop.org/show_bug.cgi?id=18922
** Also affects: xserver-xorg-video-intel via
** Changed in: xserver-xorg-video-intel
Status: Unknown = Confirmed
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