** Also affects: xserver-xorg-video-intel (Ubuntu Jaunty)
Importance: High
Status: Triaged
** Tags added: regression-potential
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[i945GM] Display locks-up in various circumstances
https://bugs.launchpad.net/bugs/353898
You received this bug notification because you are a member of
This may affect more hardware than just i945s, I had a very similar
lockup (X frozen, mouse still moved, able to ssh in) this weekend with
the following hardware:
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960
Integrated Graphics Controller (rev 0c)
Subsystem:
I also experienced the same lock-up using a Dell Inspiron 1525, with
Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller.
I can reproduce it with Alt+Tab -ing multiple times. Using compiz and
the Shift Switcher plugin.
From the posts above and my experiences I would say that this
Botond, how are you determining that you have the same lockup? You have
quite different hardware than the original reporter.
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[i945GM] Display locks-up in various circumstances
https://bugs.launchpad.net/bugs/353898
You received this bug notification because you are a member of Ubuntu
Bugs,
For me the bug occured after an update around april 1st +- some days.
Its not really reproducable, When i watch a movie on mythtv after some time
display gets black. Power button seems to trigger a good shutdown.
No reaction on ctrl+alt+backspace or ctrl+alt+F1 etc.
Its on an GMA 3100 (i965?)
May
May this be the same bug, or should i open a new?
If you would like your bug examined, you should open a new bug. Since
you have different hardware, we will not be considering your issue when
troubleshooting this one, so unless you're absolutely certain you have
the same bug, by not filing a
I can confirm the exact same freeze symptoms (mouse that moves but
doesnt change when you hover it over different objects) when opening a
new tab in firefox (happens only sometimes).
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[i945GM] Display locks-up in various circumstances
https://bugs.launchpad.net/bugs/353898
You received this
I should probably add that I have the same graphics hardware (as well as
a dell laptop)
00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and
945GT Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS,
943/940GML
** Changed in: xserver-xorg-video-intel (Ubuntu Jaunty)
Assignee: Canonical Desktop Team (canonical-desktop-team) = Bryce
Harrington (bryceharrington)
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[i945GM] Display locks-up in various circumstances
https://bugs.launchpad.net/bugs/353898
You received this bug notification because you
*** This bug is a duplicate of bug 339091 ***
https://bugs.launchpad.net/bugs/339091
Okay, so this is a dupe of 339091
-(II): MI_MODE: 0x
+(II): MI_MODE: 0x0200
** This bug has been marked a duplicate of bug 339091
[i945] screen freezes a few minutes after resuming
--
*** This bug is a duplicate of bug 339091 ***
https://bugs.launchpad.net/bugs/339091
Please take a look at bug 339091 and see if you agree this is a dupe.
The steps to reproduce are somewhat different. But the MI_MODE value
seems like the smoking gun here.
--
[i945GM] Display locks-up in
MI_MODE bit just means the ring is busy, so not a dupe
** This bug is no longer a duplicate of bug 339091
[i945] screen freezes a few minutes after resuming
--
[i945GM] Display locks-up in various circumstances
https://bugs.launchpad.net/bugs/353898
You received this bug notification because
Hi Francis,
I've forwarded your bug upstream to
https://bugs.freedesktop.org/show_bug.cgi?id=21041 - please subscribe to
this bug report in case upstream needs further information or wishes you
to test something. Thanks ahead of time!
** Bug watch added: freedesktop.org Bugzilla #21041
** Changed in: xserver-xorg-video-intel
Status: Unknown = Confirmed
--
[i945GM] Display locks-up in various circumstances
https://bugs.launchpad.net/bugs/353898
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
--
ubuntu-bugs
With lockup bugs, usually what's happening is the GPU has hung due to
some bad register setting.
There is a tool for taking a snapshot of the GPU's register settings,
`intel_reg_dumper`, which is available as part of the xserver-xorg-
video-intel-dbg package. So install that, and then run this
So I didn't find any interesting error messages apart maybe the following which
appeared at the end of my Xorg.0.log:
exaCopyDirty: Pending damage region empty!
But the register trick does show a difference:
--- /home/francis/reg_bad.txt 2009-04-02 21:15:04.0 -0400
+++
And here is the bad registers dump.
Btw, it seems that the KMail trick is a very reliable way to reproduce
the lock-up. I've also found a work-around for this very common source
of lock ups, i paste the subject line from another place, that way there
is a single update to the window title which
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/24700748/Dependencies.txt
** Attachment added: LsHal.txt
http://launchpadlibrarian.net/24700749/LsHal.txt
** Attachment added: LsMod.txt
http://launchpadlibrarian.net/24700750/LsMod.txt
** Attachment added: LsPci.txt
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Confirmed
** Description changed:
Binary package hint: xserver-xorg-video-intel
Since I ugpraded to Jaunty Beta, I experience common lock-up.
When the display is locked-up, the mouse pointer moves on the screen,
Hmm, nothing out of the ordinary in Xorg.0.log, although I notice some
differences between the log and log.old in input device setup messages.
Perhaps you just had different input devices attached in each case?
What would help in analyzing this bug is to have an error message of
some sort. Not
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