Today I had again two freezes with kernel 3.8.2
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https://bugs.launchpad.net/bugs/1137817
Title:
System freeze after high memory usage (Ubuntu 12.10
rc6 is a powersaving mode of the GPU, and can roughly save around 9W.
However, we have had many reports linking it to GPU hangs and the
occasional system hang - hence why it is one of the first things to
test.
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Unfortunately I had again a freeze today running 3.8.2 :-(
I have also added the boot option i915.i915_enable_rc6=0.
The freeze occurred only a few minutes after I booted in the morning. Again I
have had a lot of memory usage by starting Eclipse and GlassFish server.
However it feels as if the
** Tags added: freeze
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Title:
System freeze after high memory usage (Ubuntu 12.10 64-bit on ivy
bridge
Since I installed kernel version 3.8.2 I did not see the freeze I described
here. So for the moment I believe (hope) this kernel solves the problem I
reported here.
I have had only two unexpected shutdowns when the system idles for long time.
But this is a complete different situation as I
The likelihood is that that system is completely frozen - if it can't
respond to pings, then it is not processing interrupts and completely
dead. Often it dies so quickly that it doesn't even manage to send an
oops over netconsole.
If the hangs keep on happening, try booting with
After I installed 3.8.1 the systems seems to be much more stable. I worked two
days without any freeze. But today I got another freeze :-(
I worked today with an external monitor connected to HDMI when the freeze
occures.
This time the screen was not corrupted - just frozen. Also the system did
This is the Xorg.failsave.log collected after a restart
** Attachment added: Xorg.failsafe.log
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1137817/+attachment/3552871/+files/Xorg.failsafe.log
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This is the Xorg.0.log collected after a restart
** Attachment added: Xorg.0.log
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1137817/+attachment/3552870/+files/Xorg.0.log
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As you are already using 12.10, it would be worthwhile to install the
v3.8 kernel from raring as that has a number of known IvyBridge fixes -
including a few hard hangs (for rather rare GPU issues).
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I have already tried the following 3.8er kernels in the past:
3.8.0
3.8.0-rc3
3.8.0-rc4
3.8.0-rc5
3.8.0-rc7
3.8.0-944_drm-intel-nightly-2013-02-15
But I had no luck. All show the same behavior. That was the reason why I
continued with the official version 3.5.0-25.
But from now I will again work
Hmm, that I think should rule out the major problems that we know about.
One way to debug some hard hangs is through a netconsole. If you can and
it turns out to be a simple case, that would be ideal. However, the
usual approach is to look for other oddities and build up hypotheses
from there.
I installed 3.8.1 now. I will report it if the situation improves.
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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1137817
Title:
System freeze after high memory
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