Building and installing latest xf86-video-intel.git with HEAD:
http://cgit.freedesktop.org/xorg/driver/xf86-video-
intel/commit/?id=f0b6ae2cfb811a8c234634c878800ca1fb95703f
Seems to resolve the issue, I've tested the original issue of unplugging
and plugging in an external monitor, suspending and
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Test fix with 9dae6f9f1f169c228929185a8bd94e82afe92574 backported here:
http://people.canonical.com/~arges/lp1157678.1/
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This patch is a cherry pick of 9dae6f9f1f169c228929185a8bd94e82afe92574.
There was only a minor conflict and it was fixed. To build this, you must have
also resolved the issue with including valgrind.h.
** Patch added:
0001-sna-Flush-the-scanout-cache-after-resizing-the-displ.patch
I can reproduce this issue using:
xrandr --output DP1 --auto --primary --output LVDS1 --off
With 3.8.0-17-generic and drm-intel-next (3.9.0-997) after plugging in an
external monitor.
Perhaps this is a different issue than the one reported on freedesktop.
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** Bug watch added: freedesktop.org Bugzilla #63383
https://bugs.freedesktop.org/show_bug.cgi?id=63383
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As Chris Arges and I are both still seeing this symptom with all the
kernels, and Christopher (the original bug submitter) hasn't commented
on whether he still sees the problem, I'm going to un-dupe bug #1155838
from this one.
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Yes, I still see it on the latest main-stream updates for 13.04. I haven't
tried a special PPA.
Thanks,
c
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@vorlon
Yes, the binary build I provided had 4878cae22a2405b6d33318e2dc99a9c1367fee44
cleanly cherry picked.
From the uname you had the kernel I built installed.
@ickle
Would there be other patches that would also be required, or should be included
to be backported to 3.8?
I've tested the
@vorlon,
Not sure what exactly changed but I have been unable to reproduce with
3.8.0-17.27. But this really doesn't make sense because the above patch was not
applied to this release.
I plugged in an external monitor and unplugged it 10 times, and
suspended and repeated and was unable to get
There were quite a few pageflip related fixes, the one I picked out was
the one that found by my reverse bisection.
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@ickle, I've just reproduced the issue with the drm-intel-next build
from http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-
nightly/2013-04-06-raring/:
$ uname -a
Linux virgil 3.9.0-994-generic #201304060409 SMP Sat Apr 6 08:10:44 UTC 2013
x86_64 x86_64 x86_64 GNU/Linux
$
So this problem
If you could double check the kernel you tested had the patch, that
would be fantastic. And you can install drm-intel-nightly from
ppa:mainline to confirm the bug is fixed somewhere between 3.8 and now.
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This bug has been reported on the Ubuntu laptop testing tracker.
A list of all reports related to this bug can be found here:
http://laptop.qa.ubuntu.com/qatracker/reports/bugs/1157678
** Tags added: laptop-testing
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Chris, I have no way to double-check that the kernel I tested had the
patch, I only have the binary build that Chris Arges posted so I have to
take his word for it.
I can certainly give the drm-intel-nightly kernel a try. Can you
confirm that
** Changed in: xserver-xorg-video-intel (Ubuntu)
Assignee: (unassigned) = Chris J Arges (arges)
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided = Medium
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With external monitor plugged in, if I use the monitors control to turn
off the external (rather than unplugging it), I get the same bug.
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On Tue, Apr 02, 2013 at 05:53:51PM -, Christopher Barrington-Leigh wrote:
With external monitor plugged in, if I use the monitors control to turn
off the external (rather than unplugging it), I get the same bug.
I would add that the problem for me is not specific to changing the monitor
Test build with patch is here:
http://people.canonical.com/~arges/lp1157678/
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Title:
unplugging an external
I've tested this build with the following on my Thinkpad T420:
1) Plugged in VGA cable to external monitor, waited monitors to set proper
resolution.
2) Unplugged VGA cable, waited for LVDS1 to be set to proper resolution.
3) Repeated 1/2 a few times.
4) Suspended and resumed.
5) Repeated 1/2 a
$ uname -a
Linux virgil 3.8.0-16-generic #26~lp1157678v20130402 SMP Tue Apr 2 12:55:49
CDT 2013 x86_64 x86_64 x86_64 GNU/Linux
I'm sorry to report that this doesn't fix the problem for me. I still
usually see corruption as in the attached photo on one or the other of
the outputs when I change
(please be advised if you are viewing the provided image in a browser
that it may be rotated 180 degrees. Phone cameras are not designed for
left-handed people, and not all image viewers are smart enough to cope
with the exif metadata. :P)
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Fwiw, I seem to be able to work around this by locking my screen first,
and then unplugging it. Need to unlock afterwards, obviously, but
thought it might save people a few mins of resetting things...
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Tom Haddon: This does not work for me. I lock screen (ctrl-alt-l), unplug
monitor. Then screen corruption is visible. I put in password, and get back to
corrupted desktop on one screen.
Plugging in the external monitor then eliminates the corruption.
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Hitting this bug.
Building a test package with commit from here:
http://cgit.freedesktop.org/~danvet/drm-intel/commit/?h=drm-intel-nextid=4878cae22a2405b6d33318e2dc99a9c1367fee44
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On Tue, Mar 26, 2013 at 12:16:54PM -, Chris J Arges wrote:
Hitting this bug.
Building a test package with commit from here:
http://cgit.freedesktop.org/~danvet/drm-intel/commit/?h=drm-intel-nextid=4878cae22a2405b6d33318e2dc99a9c1367fee44
Chris, if you can make that test package available
Fixed by upstream
commit 4878cae22a2405b6d33318e2dc99a9c1367fee44
Author: Ville Syrjälä ville.syrj...@linux.intel.com
Date: Mon Feb 18 19:08:48 2013 +0200
drm/i915: Really wait for pending flips when panning
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = In
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** Package changed: xorg (Ubuntu) = xserver-xorg-video-intel (Ubuntu)
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Title:
unplugging an external monitor
Can you please attach a photo of the screen corruption?
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Title:
unplugging an external monitor from laptop
** Tags added: dual-head
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Title:
unplugging an external monitor from laptop results in corrupted
screen.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Incomplete
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Title:
unplugging an external
Plugging the monitor back in now returns the screen to normal.
I'm attaching video of the corruption.
** Attachment added: video of screen corruption from unplugging external
monitor on T410s
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