I can confirm that the same problem, or something very similar, has
returned in Debian Wheezy.
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Title:
[i965q] Fujitsu Siemens Esprimo E:
** Bug watch added: freedesktop.org Bugzilla #59066
https://bugs.freedesktop.org/show_bug.cgi?id=59066
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Title:
[i965q] Fujitsu Siemens Esprimo
** Tags added: testcase
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Title:
[i965q] Fujitsu Siemens Esprimo E: changing resolution results in non
working X
To manage notifications about
** Changed in: xserver-xorg-video-intel
Importance: Unknown = Medium
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Title:
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** Changed in: xserver-xorg-video-intel
Importance: Medium = Unknown
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Title:
[i965q] Fujitsu Siemens Esprimo E: changing resolution results in
This bug was fixed in the package linux - 2.6.32-26.47
---
linux (2.6.32-26.47) lucid-proposed; urgency=low
[ Steve Conklin ]
* Revert SAUCE: ALSA: HDA: Enable internal mic on Dell E6410 and Dell
E6510
* Revert [Config] Added be2net, be2scsi to udebs
[ Upstream Kernel
** Branch linked: lp:ubuntu/lucid-proposed/linux-ec2
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Running the kernel since last week on my laptop (nvidia graphics though)
without detecting any regressions.
Testing the kernel on an Fuj-Siemens Esprimo E today for 1.5 hours, doing a
loop over xrandr:
while true
do
xrandr -s 1024x768
sleep 30
xrandr -s 1920x1200
sleep 30
done
Running the kernel since friday on my Lenovo x61 without any problems.
Looks good.
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Thanks for testing. Marking as verification-done.
** Tags added: verification-done
** Tags removed: verification-needed
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You received this bug notification because you are a
Accepted linux into lucid-proposed, the package will build now and be
available in a few hours. Please test and give feedback here. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Thank you in advance!
** Changed in: linux (Ubuntu Lucid)
** Description changed:
+ SRU Justification
+
+ Impact: when changing resolution X hangs due to GPU hangs
+
+ Fix Description: handles the case where the cursor is off the active
+ area, ensuring the cursor ends up valid; an invalid cursor can lead to a
+ GPU hang
+
+ Patch: TBA
+
+ Risks:
@Torsten -- the patch has now come back down from stable to v2.6.35.x.
I have backported it to v2.6.33 drm that we have in Lucid but that did
involve some manual application. Could you test the kernels at the URL
below and confirm whether they work ok for you:
I have the kernel up and running on an Fujitsu-Siemens Esprimo E and a
Lenovo Thinkpad T61. On both systems I can change the screen resolution
without any problems. I also tested suspend/resume and it continues to
work fine. I've asked the customer to test the kernel as well.
--
[i965q] Fujitsu
I also tested the given kernel on a Fujitsu-Siemens Esprimo E and it
looks good. I was able to change the resolution without any problem.
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Can this bug fix be applied to Lucid per SRU? The customer would like to
use the standard kernel again.
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And is now in linux-stable¹, in 2.6.35.1, so this is fixed in Maverick.
Can we get this patch also applied to Lucid?
1: git commit is
http://git.kernel.org/?p=linux/kernel/git/hpa/linux-2.6-allstable.git;a=commit;h=5078304217e1e87bc7ffe8d7a4076e4cb0c0a318
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** Also affects: linux (Ubuntu Lucid)
Importance: Undecided
Status: New
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** Changed in: linux (Ubuntu)
Status: Triaged = Fix Released
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** Tags added: upstream-stable-patch
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The patch suggested above has hit v2.6.35.1 stable.
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** Changed in: linux (Ubuntu Lucid)
Status: New = Triaged
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This is now in Airlied's drm-next branch, commit
http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=commit;h=cda4b7d3a5b1dcbc0d8e7bad52134347798e9047
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You
** Changed in: linux (Ubuntu)
Status: Confirmed = Triaged
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** Tags removed: kernel-candidate
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The revised patch also has problems - the cursor will sometimes be
replaced with a corrupted pixmap when it's unhidden. I think I've
identified where it behaves differently to the existing code, and I
haven't yet found any problems with the new patch.
--
[i965q] Fujitsu Siemens Esprimo E:
I've added my Reviewed-by and Tested-by to the revised patch on the
intel-gfx mailing list here: http://lists.freedesktop.org/archives
/intel-gfx/2010-July/007379.html . This should now go into the mainline
kernel and the stable trees, and we could pick it up as an SRU.
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** Tags added: kernel-candidate kernel-reviewed
** Tags removed: kernel-needs-review
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As noted on the upstream bug this patch does not quite completely
resolve this. I've only managed to reproduce this once, but it seems
that there's probably an off-by-one error in the bounds checking.
I'm tracking this down now.
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[i965q] Fujitsu Siemens Esprimo E: changing resolution results
** Description changed:
+ NOTE: the machine is not necessarily hung as in some cases the use
+ reports being able to see the logout dialog from the power button
+ (albeit all corrupted), there are also results of ssh'ing into the
+ machine.
+
+ ===
+
Binary package hint:
** Tags added: patch
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Ok. There was a problem with a signed/unsigned comparison in the
initial patch. I'm testing the revised patch now.
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Moving this to the kernel. There's a kernel patch available
https://bugs.freedesktop.org/attachment.cgi?id=36828 which I've tested
fixes this, and corresponds with what the hardware docs say.
I'll get in contact with the kernel team to get this moving on their
end.
** Package changed:
The upstream patch needs a tiny bit of futzing to apply to the 2.6.33
drm we've got in Lucid's 2.6.32-24 kernel. Attached is a git commit
applying it to our kernel tree.
** Patch added: git commit for Lucid 2.6.32-24
http://launchpadlibrarian.net/51551476/Q965-cursor.patch
--
[i965q]
** Tags added: kernel-graphics kernel-needs-review
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Fiddling with the cursor code does indeed make a difference. Hiding the
cursor before changing resolution and showing it afterwards fixes this
for me.
Once I've got a driver that does this properly (currently it
unconditionally re-shows the cursor after mode switch) I'll attach it
here for
A test with Ubuntu 8.04.4 live CD showed a similar behaviour. The screen
flickered in white and brown.
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Calling xrandr from the command line with 60 Hertz did work:
$ xrandr -s 1024x768 --rate 60
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It seems the system is not corrupted at all times - right now I can
change the resolution without ill effect, be it via xrandr (comment 33),
be it with gnome-display-properties.
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[i965q] Fujitsu Siemens Esprimo E: changing resolution results in non working X
Hypothesis is, that using xrandr on the command line is more robust than
using gnome-display-properties:
Series of 10 tests,
this sequence repeated 5 times per test:
xrandr -s 1024x768 --rate 60
xrandr -s 1920x1200
Results:
working: x x x
broken : X X X
broke during 3rd attempt
Attached are two dmesg outputs, given with drm debug set to 4. One is
where the xrandr -s 1024x768 --rate 60 worked, the other one where it
failed.
** Attachment added: dmesg.working
http://launchpadlibrarian.net/51412536/dmesg.working
--
[i965q] Fujitsu Siemens Esprimo E: changing
** Attachment added: dmesg.non-working
http://launchpadlibrarian.net/51412576/dmesg.non-working
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I've now got a Q965 system to test locally, and my isn't this bug fun!
I've come to suspect that this might be a hardware-cursor issue. For
me, when this bug gets triggered, moving the mouse up and down changes
the piece of the framebuffer that's displayed, and moving the mouse left
and right
Unfortunately the nomodeset option does not improve the situation.
1) Change resolution
2) Screen turns black, starts to flicker
3) Screen reverts to previous settings and stays completely black, no more
flickering
--
[i965q] Fujitsu Siemens Esprimo E: changing resolution results in non
We tested today a patched kernel driver from http://cooperteam.net
/linux-image-2.6.32-23-generic_2.6.32-23.38~965NoSelfRefresh_i386.deb,
unfortunately the problem was not solved. The display flashed in white.
--
[i965q] Fujitsu Siemens Esprimo E: changing resolution results in non working X
Hrm. I don't seem to have asked whether this bug is still present when
kernel modesetting is disabled, which is a bit of an oversight! Has
disabling kernel modesetting and reverting to user modesetting been
tried?
Adding “nomodeset” to the kernel command line will disable kernel
modesetting.
** Attachment added: xorg.log from working rhel5 based system
http://launchpadlibrarian.net/51177834/Xorg.0.log.rhel5
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The log comes from this RPM package's intel driver on RHEL5:
xorg-x11-drv-i810-1.6.5-9.19.el5
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Bugs,
Here the output of get-edid from an affected system and display:#
http://pastebin.ubuntu.com/456801/
Here the parse-edid output:
http://pastebin.ubuntu.com/456799/
It seems that the get-edid program does not cope well with the
information:
*** Something special has happened!
Please
The problem is also present in Ubuntu 9.10, tested with the live CD.
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The problem also exists on todays (2010-06-29) Maverick image.
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I've had a look through all the modesetting codepaths and those
suspicious modelines are entirely benign. The codepaths for both the
working system and the non-working systems appear to be the same, so
this is going to be a subtle bug.
I'll forward this bug upstream.
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[i965q] Fujitsu Siemens
** Bug watch added: freedesktop.org Bugzilla #24748
http://bugs.freedesktop.org/show_bug.cgi?id=24748
** Also affects: xserver-xorg-video-intel via
http://bugs.freedesktop.org/show_bug.cgi?id=24748
Importance: Unknown
Status: Unknown
--
[i965q] Fujitsu Siemens Esprimo E:
Thanks for those logs. The interesting part appears here, when you attempt to
switch resolutions:
…
Jun 9 08:31:07 c399693 kernel: [ 60.921838]
[drm:drm_mode_debug_printmodeline], Modeline 27:1920x1200 60 154000 1920 1968
2000 2080 1200 1203 1209 1235 0x48 0x9
Jun 9 08:31:07 c399693
** Attachment added: kern.log with cmdline drm.debug=0x06
http://launchpadlibrarian.net/49994247/kern.log
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** Attachment added: Xorg log with kernel cmdline drm.debug=0x06
http://launchpadlibrarian.net/49994258/Xorg.0.log
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = Confirmed
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** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed = Incomplete
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Looking at the video it's obvious that parts of the framebuffer are
getting displayed, but clearly this is something more than just setting
a bad display mode - otherwise the system would return to the working
resolution after the “Do you want to keep these settings” timeout
elapsed. Indeed, from
since the requested information was provided to the bug report I'm
marking this as confirmed, thanks all.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided = Low
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = Confirmed
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[i965q] Fujitsu
** Summary changed:
- [965q] Fujitsu Siemens Esprimo E: changing resolution results in non working X
+ [i965q] Fujitsu Siemens Esprimo E: changing resolution results in non working
X
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