We've recently rebased to v3.2-rc7 and uploaded, see
https://launchpad.net/ubuntu/+source/linux/3.2.0-7.13 . Given the
information that this bug appears to have been fixed as of v3.2-rc6, I'm
marking this bug Fix Released. Thanks.
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Relea
** Tags added: kernel-fixed-upstream-v3.2-rc6
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Title:
Kernel BUG at i915_gem.c:1952 causing lock up
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Yeah, rc6 seems to have fixed the issue.
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Title:
Kernel BUG at i915_gem.c:1952 causing lock up
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3.2.0-030200rc6-generic #201112162235 SMP Sat Dec 17 03:36:15 UTC 2011 x86_64
x86_64 x86_64 GNU/Linux
up 2 days now.
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Title:
Kernel BUG at i915_g
I've installed the rc6 kernel from the mainline build, I'll try it
today. I haven't' been able to get the header packages to install from
that repo though.
I get the following:
$ sudo dpkg -i
linux-headers-3.2.0-030200rc6-generic_3.2.0-030200rc6.201112162235_amd64.deb
(Reading database ... 264
According to the changelog, this is fixed upstream in kernel 3.2-rc6:
Revert "drm/i915: fix infinite recursion on unbind due to ilk vt-d w/a"
This reverts commit eb1711bb94991e93669c5a1b5f84f11be2d51ea1.
It blows up the i915 seqno tracking, resulting in the
BUG_ON(seqno == 0);
in i915_wait_req
linux-headers-3.2.0-030200rc4-generic_3.2.0-030200rc4.201112161940 seems
fine.
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Title:
Kernel BUG at i915_gem.c:1952 causing lock up
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Thanks for the help, Richard.
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Title:
Kernel BUG at i915_gem.c:1952 causing lock up
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I'll start testing when I get home tonight, and over the weekend too.
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Title:
Kernel BUG at i915_gem.c:1952 causing lock up
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Hello Richard,
I created a test kernel, which is located at:
http://people.canonical.com/~jsalisbury/lp903010/
This kernel is built with the changes halfway between 3.2.0-rc4 and
3.2.0-rc5. Could it be possible to test this kernel and see if the
issue exists or not? Once I have those results, I
I'm going to perform a bisect between 3.2.0-rc4 and 3.2.0-rc5. I
should have a test kernel shortly. It would be great if you have some
cycles to assist in testing of a few test kernels.
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Hi Richard,
Thanks for all your help testing. So it appears this issue happens when
you run the upstream 3.2.0-rc5 kernel, but it does not happen with the
3.2.0-rc4 kernel?
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I haven't run 3.2.0-030200rc4-generic_3.2.0-030200rc4.201112081439 under
my usual workload today, but so far so good, so I think it's probably
fine. I'll try linux-
image-3.2.0-030200rc5-generic_3.2.0-030200rc5.201112091935 tomorrow.
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3.1.5-030105-generic_3.1.5-030105.201112091259 works fine. Tomorrow I'll
try 3.2.0-030200rc4-generic_3.2.0-030200rc4.201112081439
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Title:
Kernel B
I had another lock up with 3.2.0-030200rc5-generic_3.2.0-030200rc5. This
issue was started after update from 3.2.0.2.2 to 3.2.0.4.4.
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Title:
Kern
It must have happened over the weekend, it was working fine between
Friday and Sunday. I've been running the old 3.0.0 image I had
installed, which seems to be stable. I'll try installing a few of the
later versions from the mainline ppa; I'm currently installing 3.1.5 and
I'll report back if I hav
@Richard
Did this issue start happening after an update/upgrade? Was there a
kernel version where you were not having this particular problem? This
will help determine if the problem you are seeing is the result of the
introduction of a regression, and when this regression was introduced.
** Ch
I've been running upstream linux-
headers-3.2.0-030200rc5-generic_3.2.0-030200rc5.201112091935_amd64
today, and I just had another lock up. At least this time it responded
to sysrq. My kern.log has a different bug than before, but still
references the i915_gem stuff.
** Tags removed: needs-upstrea
I have similar issue and confirmed that only display lockup and the host
can be accessed remotely. X Server process is not responding to kill -9.
'dmesg' output attached.
** Attachment added: "dmesg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/903010/+attachment/2631558/+files/dmesg.t
Would it be possible for you to test the latest upstream kernel? It
will allow additional upstream developers to examine the issue. Refer to
https://wiki.ubuntu.com/KernelMainlineBuilds . If possible, please test
the latest v3.2-rcN kernel (Not a kernel in the daily directory). Once
you've tested
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
Kernel BUG at i915_gem.c:1952 causing lock up
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Title:
Kernel BUG at i915_gem.c:1952 causing lock up
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