** Attachment added: lshw
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/761065/+attachment/3706317/+files/lshw
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On Lenovo g570 ubuntu 12.10 worked perfectly.
After upgrade to 13.04 X-Windows started locking up (only the mouse
cursor was reacting to mouse movements, but nothing else). The lockup
occurs after couple of minutes working in gnome-classic-fallback window
manager, no 3D activity was done at the
** Attachment added: lspci
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/761065/+attachment/3706316/+files/lspci
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** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Invalid = New
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Incomplete
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = Opinion
** Changed in: xserver-xorg-video-intel (Ubuntu)
Still happens in Precise(12.04).
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
idle messages in dmesg when using
Why does it say this bug is fixed for natty, when it still is happening?
I have fully upgraded my system (to the 2.6.38-15 kernel) and it's still
happening.
I have tried a lot of workarounds mentioned here, none work, I still get
GPU hangs.
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This bug was fixed in the package linux - 2.6.38-11.48
---
linux (2.6.38-11.48) natty-proposed; urgency=low
[Herton R. Krzesinski]
* Release Tracking Bug
- LP: #818175
[ Upstream Kernel Changes ]
* Revert HID: magicmouse: ignore 'ivalid report id' while switching
-11 fixes the short hangs, though i often have even heavier lag after standby
or hibernate...
samsung rf511
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Title:
[Sandybridge] Spurious
I can confirmthe total freezes still exist. :-( No error message in
kernel log. I'm destroying my new notebook forcing the shutdown. Do you
need some log to find the solution. I available for testing.
HP DV6 6030el i7 630
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This bug was never about complete system hangs, just stuttering caused
when using GL. Please do file new bugs if you are having hangs.
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Title:
It usually happens when I used program like tecplot or Fluent post-
processing tool. I suppose it is releated to GL issue.
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Title:
[Sandybridge]
-11 fixes the short hangs (no more dmesg alerts) but my system still
freezes completely (reboot required) once or twice a day. Dell Latitude
5520.
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Just for the record: After one week of extensive testing, -11 also fixes
the regular freezes. The system runs rock stable now!
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Title:
After a week of testing, I'm still experiencing occasional system-wide
freezes as well as frequent mini-freezes. I guess my hardware is
different...
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No error found with new kernel 2.6.38.11. I also updated xserver-xorg-
video-intel from the proposed repo. Actually no freeze...I hope all has
been fixed! Thanks
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@exactt (giesbert)
yes sounds like this bug - although i do not experience segfaults with
compiz.
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Title:
[Sandybridge] Spurious *ERROR*
Confirmed! This bug (blt ring idle) seems to be fixed on 2.6.38-11.
There are still issues and other GPU hungs though - after 2 seconds of
playing sauerbraten in full-screen:
[ 54.562391] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed...
GPU hung
[ 54.563417]
@felix
Also got errors after a while with the latest proposed kernel. I think
we should file a new bug report. Would you mind doing that?
[21589.558177] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed...
GPU hung
[21589.559706] [drm:i915_do_wait_request] *ERROR*
@felix @all: already found a bug which sounds just like the problem:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/805586
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#18 doesn't fix it on 2.6.38-10, #16 does.
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
idle messages in dmesg
Confirmed, 2.6.38-11 fixes my issues.
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
idle messages in dmesg when
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
natty' to 'verification-done-natty'.
If verification is not done by one week from today,
2.6.38-11 in -proposed seems to fix the problem for me on my ThinkPad
x220.
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt
Can confirm this. 2.6.38-11 absolutely fixes the hangs for me. Not sure
about the freezes, as this needs some time. Nevertheless, the fix should
go in.
** Tags added: verification-done-natty
** Tags removed: verification-needed-natty
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Confirm. Lenovo Thinkpad EDGE E420, 2.6.38-11 fixes problem and Unity
now works much more comfortable.
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Title:
[Sandybridge] Spurious *ERROR*
Confirmed, it fixes the semaphore problem on my ThinkPad L520 :)
It doesn't remove the need for noapic though, but that is likely a
different issue.
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I've experienced this bug as well on a Clevo W150HRM with a Sandy Bridge
Core I7 (2820QM). The solution in #16 fixes it for me. I have yet to try
#18, but I'm sure it'll work as well. Running 2.6.38-10-generic.
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The fix in #18 solves the micro-hangs with the Unity launcher and X in
general for me, but the system still freezes after some uptime. It is
completely locked up and only a hard reboot solves the freeze. Is
anybody also seeing this?
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The fix in #18 solves micro-freeze problems with OpenGL (i.e. games), but it
does not solve them for normal usage.
For example, it has locked up 3 times during the writing of this message.
Also note, I have 'noapic' in my GRUB config as well, as that is the only way I
can get my laptop to
I see the strange bsd ring behavior when using the fix of #18 with my
Thinkpad X220. Added the semaphore option to grub renders my system
unusable. Console is no longer high-res and I only see graphics errors
with X, no chance to work. I get the following error:
[drm:init_ring_common] *ERROR*
I received again a total freeze yestarday but I don't know if it is
linked to this bug. The freeze occurs letting run the cosmo screensaver.
Can you try if it is the same for you, please?
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Sorry Robert Hooker I didn't read your message. Is there some patch for
natty or I have to wait oneiric?
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Title:
[Sandybridge] Spurious *ERROR*
Robert Hooker: Thanks for your explanation, now that 2.6.38-10 has hit
-updates, I see forward to the following kernel in -proposed.
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Title:
Same error with HP DV6 6030el i72630 and AMD Radeon HD 6470M. I can not
use radeon driver because Natty freeze during the boot so I have to use
i915. But sometimes and randomly I receive freeze also with this driver.
Keyboard and mouse are locked, alt+stamp REISUB doesn't work. Looking
the kernel
Ps: The freezes occur using Unity.
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
idle messages in dmesg when using
bblauret: it means its applied to the pending -proposed kernel git tree.
it will be in the 2.6.38-11 kernel whenever that release is started,
should hopefully be in -proposed when 2.6.38-10 migrates to -updates
next week.
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I tried also the new kernel 2.6.39 of kernel ppa repository but same bug
occurs.
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer
closing oneiric task, this was fixed in 3.0-rc4 released there some time
ago
** Changed in: linux (Ubuntu)
Status: Triaged = Fix Released
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** Changed in: linux (Ubuntu Natty)
Importance: Undecided = Medium
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Medium = Undecided
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What does 'applied' mean in this message?
https://lists.ubuntu.com/archives/kernel-team/2011-June/015962.html
There isn't a new kernel in natty-updates, and in natty-proposed this
bug isn't mentioned (http://kernel.ubuntu.com/~kernel-ppa/reports/sru-
report.html)...
Am I misunderstanding
I can confirm that the fix in #38 works on my X220T. I haven't updated
the bios or made any other graphical changes.
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Title:
[Sandybridge]
@Robert I don't know if any of my installed applications use hw h264
acceleration, but once in a while (every few days) I still experience
GPU hangs even with the kernel from #38. The situation improved a LOT
though with it.
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The kernel at #38 works for me too. Thank-you!
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
idle messages in
vilmos: Do you even have i965-va-driver installed? if not it wont be any
help, the BSD ring is used for accelerated h264 acceleration through
libva
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After using the kernel from #38 for a few days I got a GPU hang again:
Jun 25 10:58:05 x220 kernel: [154505.782665] [drm:i915_hangcheck_elapsed]
*ERROR* Hangcheck timer elapsed... GPU hung
Jun 25 10:58:05 x220 kernel: [154505.782788] [drm:i915_do_wait_request] *ERROR*
i915_do_wait_request
The patch for the BSD ring is in Linus' tree now:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ec6a890dfed7dd245beba5e5bcdfcffbd934c284
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** Also affects: linux (Ubuntu Natty)
Importance: Undecided
Status: New
** Also affects: xserver-xorg-video-intel (Ubuntu Natty)
Importance: Undecided
Status: New
** Changed in: xserver-xorg-video-intel (Ubuntu Natty)
Status: New = Invalid
** Changed in: linux (Ubuntu
This has been released in 3.0-rc4
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=498e720b96379d8ee9c294950a01534a73defcf3
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** Description changed:
+ SRU Justification:
+ Fixes a constant stream of hangcheck errors flooding dmesg, and
+ removes the visible stuttering that was caused by it when using 3D
+ applications.
+ Impact:
+ Fixes missed interrupts on sandybridge GPU's. It doesn't affect any
+ other GPU
The proposed patched kernel has been working fine for me for two days.
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
** Changed in: linux
Status: Confirmed = Fix Released
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
idle
#38 fixes it for me, too (semaphores=0). Thanks!
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
idle messages in
Someone has posted a patch that fixes this issue on the intel-gfx
mailing list and it should hopefully be in 3.0-rc4. afterwards we will
be able to cherry-pick it into stable. I have test kernels available
here that fix the issue, with the side effect of also massively speeding
up 3D with the
** Changed in: linux (Ubuntu)
Status: Confirmed = Triaged
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
Have been running the kernel from #38 for a few hours now, and it seems
to fix the bug. No GPU lockups or hangs, no error messages in dmesg.
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It looks like #38 fixes the bug. But I have some errors in dmesg (they
of course can be unrelated to #38):
[ 1406.247369] EXT4-fs (sda2): re-mounted. Opts:
errors=remount-ro,data=ordered,discard,commit=0
[ 1406.252920] EXT4-fs (sda1): re-mounted. Opts: data=ordered,discard,commit=0
[
@si14: that's an unrelated issue and harmless. Also happens with the
latest stable natty kernel.
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck
I'm using Ubuntu Oneiric with the 3.0 kernel in the repositories and the
entire X stack from the xorg-edgers PPA. I don't get this message
anymore (got it when I was using Natty with the main repository kernel
and Natty X (not from xorg-edgers)) and the display doesn't hang anymore
when typing in
Fix #16 works fine so far here (2.6.38-8-generic, X220, i7-2620M
Sandybridge). Thanks!
However, I'm additionally affected by #22 (4): I cannot dock/undock the
X220 with the Lenovo Minidock Plus where I have 2 screens attached via
display port. With a fresh boot there are initially some issues
Workaround from #18 works fine here.
The system stucks no more. It would be nice to see a fix for this issue
by default in Ubuntu, especially for new users with new hardware and
litte knowledge.
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Yesterday I updated from the xorg-edgers ppa and the bug seems to be
gone now. I even set the semaphore parameter to 0, which was a sure
way to trigger this problem, and now there are no error messages about
GPU hangs in dmesg.
This Phoronix article also suggests that this problem was fixed in
@vilmos DId you notice any change regarding the power consumption? I
read that the issue is related to power saving and I wonder if the fix
has any impact on that.
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@Pascal no I did not, however I updated the packages only yesterday, so
I can't really tell yet. I did not make any measurements on battery
life before the update either, so I don't think I'll be able to give you
exact numbers on any change on battery life.
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si14, check out the header of /etc/default/grub, it says you need to run
grub-update after the modification.
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Title:
[Sandybridge] Spurious
Thanks, you are right.
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
idle messages in dmesg when using compiz
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
idle messages in dmesg when
See #18, the workaround is doing a great job for me.
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
idle messages
It seems working, but there is something strange:
root@si14-laptop:~# cat /etc/default/grub | grep semaph
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash i915.semaphores=1
root@si14-laptop:~# cat /sys/module/i915/parameters/semaphores
0
And this is so after reboot.
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Using the latest 2.6.38 kernel from Natty stable this message popped up
in dmesg a few times every hour (my system always coming to a complete
halt for 1-2 seconds), and after a few hours my system eventually
freezed (this is a Lenovo X220 with Sandy Bridge). Setting the semaphore
parameter to 1
With semaphore set to 0 on 2.6.39-0.5~20110427:
[ 5136.145217] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck timer
elapsed... blt ring idle [waiting on 1132622, at 1132622], missed IRQ?
[ 5382.346399] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck timer
elapsed... blt ring idle [waiting on
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
idle
quick follow up to post #22...went over to 2.6.37-gentoo-r4 and compiled
in i915 support. works fine. can post kernel options if necessary.
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Title:
doing what Felix proposed at #16 didn't work on natty (2.6.38-8-generic):
# echo 1 /sys/module/i915/parameters/semaphores
-bash: echo: write error: Invalid argument
However, doing what proposed on #18 solved the problem.
XPS L502X with optimus/bumblebee working
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Changing semaphores setting doesn't help here (Fujitsu S751 with
8086:0126 graphics controller).
I still get reproducable freezes - for example when working with
libreoffice it appears always after only a few actions (for example if I
do some copy+paste stuff).
The only change is that instead
i'm having similar issues...and it most certainly seems to be
originating from the kernel and not from the X server, as i've run
through three different versions of both the kernel and the X server
while holding one fixed and changing the other and changing the X server
didn't affect the problem
Comment #16 fixes it on my Dell E5420.
The funny thing is, that normally the error message appears randomly, but when
I insert my Nokia CS-17 3G-modem, the error always appeared three times in a
row:
[ 3678.937434] usb 2-1.2: new high speed USB device using ehci_hcd and address 9
[ 3679.050002]
setting /sys/module/i915/parameters/semaphores to 1 works in Ubuntu and
Fedora. But in fedora(I tested on F15 -- 2.6.38.4 ), it resets to 0
after reboot. Is there a way to permanently set semaphore to 1 in
Fedora?
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I have a brand new Vostro 3550, with an i5 Sandybridge, and I have this
issue. Thankfully, (major props), Felix's above change resolved the
issue. I hope this issue can be resolved for good, is this fix likely to
land in Natty for real?
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@Avi Romanoff
you can put this option in /etc/default/grub to make the change permanent
replace following line:
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash
by
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash i915.semaphores=1
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@AceLan Kao
I think I found the i915 patch, which would fix this bug (along with a
lot of other documented i915 fixes):
from (http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.39-rc1)
commit 36d527deadf7d0c302e3452dde39465e74a65a08
Author: Chris Wilson ch...@chris-wilson.co.uk
Ok forget the post above. Seems to have nothing to do with this bug.
On Kernel 2.8.38: /sys/module/i915/parameters/semaphores is set to 0
On Kernel 2.8.39: /sys/module/i915/parameters/semaphores is set to 1
if i do the following:
sudo -i
echo 1 /sys/module/i915/parameters/semaphores
The Bug
Thx for the new Kernel AceLan!
I tested the x86_64 version on two different Boards. It got a little better I
think - bug happens not that frequently imho.
But still, if I e.g. press alt-f2 in Unity and start typing I still get lags
and dmesg shows:
[ 85.166147]
On my setup (Dell 6420 with integrated HD3000; shows as 8086:0126 (rev
09) in lspci; running Debian 2.6.38-2), the bug appears only after a
while (so it's hard to reproduce).
I tried your new kernel anyway. I got the error just once, after the boot:
[ 73.270170] [drm:i915_hangcheck_ring_idle]
** Changed in: linux (Ubuntu)
Status: New = Confirmed
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
idle
Seems there is yet another duplicate of this bug:
https://bugs.launchpad.net/ubuntu/+bug/753189
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck
Also seems to affect Fedora 14 Kernel 2.6.38:
https://bugzilla.redhat.com/show_bug.cgi?id=684097
** Bug watch added: Red Hat Bugzilla #684097
https://bugzilla.redhat.com/show_bug.cgi?id=684097
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Have also tested this on a ASRock H67M-ITX with i3-2100T and i5-2500T.
Exact same symptom. I'm pretty sure now all Sandy Bridge internal GPUs
are affected, at least with H67 chipset. This looks serious to me as
almost all new PCs are sold with Sandy Bridge. Using development
Kernel 2.6.39 isn't a
Hi,
This is the new natty kernel I cherry picked 4 patches from .39 kernel.
Please try it and check if this kernel fix the problem, thanks.
http://people.canonical.com/~acelan/bugs/lp753189/
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I have exact same bug on my sandybridge machine. i7-2600S on Zotac
H67-ITX. Kernel: 2.6.38-8-generic x86_64
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Title:
[Sandybridge] Spurious
Isn't this one duplicate to #762855 ?
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed... blt ring
idle messages in dmesg when
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed = Triaged
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer
I would like to ask the priority to be raised as this can affect many
new systems.
@Adilson, no, like I mentioned it's a kernel bug, not X. I was just
leaving the X task open (but set to Medium) so that the X team could
track the issue with their bugs, give it attention and help towards
getting
@Bryce: Sorry, I didn't realize this bug was against X. It is indeed
related to the kernel, that's why I tagged with kernel-bug.
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Title:
Another thing I forgot to add: if one starts the session in Natty with
classic Ubuntu without any effects, even with the current kernel, the
problem does not appear.
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** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags added: hwe-blocker
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Title:
[Sandybridge] Spurious *ERROR*
** Bug watch added: freedesktop.org Bugzilla #36241
http://bugs.freedesktop.org/show_bug.cgi?id=36241
** Also affects: linux via
http://bugs.freedesktop.org/show_bug.cgi?id=36241
Importance: Unknown
Status: Unknown
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** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Triaged
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Title:
[Sandybridge] Spurious *ERROR* Hangcheck timer elapsed...
This is almost certainly a kernel issue, but rather than close the X
driver task I'll set the priority to Medium, so we can keep track of the
issue on the X side.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided = Medium
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I have the same issue here but I discovered that, if I run a 3D program like
celestia, nexuiz or even a 3d screensaver like one with the wireframe ant, the
problem vanishes with a -39 kernel. In a discussion with Chris Van Hoof today
he tells me he thinks the new kernel just masks the error
** Changed in: linux
Status: Unknown = Confirmed
** Changed in: linux
Importance: Unknown = Medium
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https://bugs.launchpad.net/bugs/761065
Title:
[Sandybridge] Spurious
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