Ok narrowed it down a bit, and now I'm running just 7ea29b13e5e3e1e
applied on top of 3.2.20 and it's solid. I'll send it to the stable
queue next.
Thanks all for testing!
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closing for quantal, which has the fix.
** Also affects: xserver-xorg-video-intel (Ubuntu Precise)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Precise)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Triaged = Fix Released
** Description changed:
+ SRU justification:
+
+ Impact: total system freeze after using it some time
+ Fix: 7ea29b13e5e3e1e in upstream 3.3-rc1
+ Testcase: running several glxgears and gzip instances as with an attached
script
+
+ --
+
I use Ubuntu 12.04 64 bit
Intel(R) Core(TM) i7-3770K
** No longer affects: xserver-xorg-video-intel (Ubuntu)
** No longer affects: xserver-xorg-video-intel (Ubuntu Precise)
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Timo,
this affects me too, I have:
Intel(R) Core(TM) i7-3517UE CPU and HM75 chipset, Ubuntu 12.04 64-bit.
On my system with kernek 3.2.0-24 freeze can be reproduces in 2-3
minutes under high load cpu and 3D operations:
#!/bin/bash
cpu_num=`cat /proc/cpuinfo | grep processor | wc -l`
for i in
Denis: a backport kernel will be provided in the main repository after
12.10 is released (along with a backported X stack). But it won't
replace the default kernel.
thanks for the script, I'll try if that triggers the crash here. 3.4-rc1
has been stable so far running that and a kernel build at
The script runs stable on 3.3-rc1, hangs almost immediately on 3.2.20.
But I'm seeing a hang with 3.3.x as well, so these are two separate
issues but we can track them both here..
So we need to bisect this hang from v3.2-v3.3-rc1, and the other one
v3.3-v3.4-rc1.. fun! At least the script makes
Denis: can you try this kernel:
http://kernel.ubuntu.com/~tjaalton/lp10/linux-
image-3.2.0-90-generic_3.2.0-90.41_amd64.deb
I've been running the script for over 20min now, backported two commits
from 3.3-rc1 to 3.2.20'ish.
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Timo,
So.. in the near future (before 12.10 release :) ) some kernel like 3.2.0-29
or 30 with the relevant Ivy fixes will be pushed to 12.04?
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3.2.0-25 got released to -updates, and -26 is now being prepared. It
might still get bugfixes in it before it's pushed to -proposed, and
these are good candidates for that. So it shouldn't take _that_ long
before it hits the repo.
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Timo,
Your 3.2.0-90 runs fine already 14 minutes! Seems to be stable to far. I`l
leave it to weekend.
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Title:
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Title:
[IVB]12.04 64 bit System freezes
** Changed in: linux (Ubuntu)
Status: New = Confirmed
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Title:
[IVB]12.04 64 bit System freezes (mouse, keyboard)
i've been using the machine happily for nearly three hours, so actually
looks like 3.3.x contains some regression that got fixed in 3.4-rc1...
here's hoping that it's all good now.
** Changed in: linux (Ubuntu)
Importance: Undecided = High
** Changed in: linux (Ubuntu)
Status:
Timo, nice work! Your kernel is running beautifully here as well. Please
try to get this in -26. Are kernel SRU releases scheduled?
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Carl: great to hear!
Yeah the cadence is three weeks IIRC, so in three weeks -26 will be
released, but there needs to be one week for the certification team to
run their tests on a bunch of machines, but select high-impact fixes can
indeed make it. I'll send these to the upstream stable queue by
Carl: that commit is in 3.3.6 and 3.2.17.
3.4-rc2 seems stable here so far, too bad that the fix is likely in the
-rc1 set which is quite big to bisect (and a bit more work since the
kernels need to be built)
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I can confirm that the usage of a external (PCI-E) graphic card circumvents the
bug.
That is only the viable solution I have come up with, as kernel upgrade to 3.4
or higher causes some inconsistencies between various programs, and a few bugs
with others in Ubuntu precise 12.04.
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Noah: What inconsistencies and bugs have you experienced when using a
3.4 kernel?
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Title:
[IVB]12.04 64 bit System
Problems with lib, problem installing google earth, skype and some other
programs.
Windows that bug, windows that refuses to come up after minimizing etc.
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PS: that may be only locally in my computer and not universally for all
I know, as I did not do any serous debugging.
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I am able to replicate the this bug 100% of the time by scrolling up and
down quickly in Google Image search results. The bug seems to be fixed
as early as 3.3.6 (maybe earlier). Appears to be a GPU hang. There are
three i915 related commits in 3.3.6.
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Nearly every i915 related commit from 3.3.x have been applied to 3.2.x
upstream, most of which are in the kernel in precise-proposed, rest of
which are in the next update after that. The remaining three commits are
related to sprite support (new in 3.3) and some blank eDP issue.
I have an
uh, I mean even that one commit from 3.4 isn't enough for my case, so
there must be something else to backport, since at least 3.4 final is
stable here. It's just quite hard to bisect through the list of commits,
when reproducing the hang can take several hours, and the number of
commits to i915
Timo: It's great to hear that 3.4 should be stable and that you are
working hard on getting the fixes backported.
I always buy new hardware too early, I had freezes with sandy bridge and
the one before sandy too in the ubuntu versions that was current at the
time. :P
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Timo, I'm building a test kernel with this patch committed in 3.3.5:
http://permalink.gmane.org/gmane.comp.freedesktop.xorg.drivers.intel/10832
I don't see it in 3.2.0-25 and the description appears relevent - the
patch applies a GPU hang fix for gen 6 (Sandy Bridge) to = gen 6 (gen 7
including
Timo, our system froze with the patch - no good. We'll keep hacking from
our side as well. Let me know if we can help split up the work.
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3.3.7 froze for me now so I guess it doesn't fix it 100% but it's way
more stable at least. I have updated to 3.4.2 now and see if I can get
that one to freeze.
If this isn't fixed soon I guess I'll have to buy a graphics card.
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Does anyone know if a installation of external graphic card circumvents
the bug ?
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Title:
[IVB]12.04 64 bit System
I've been having similar problems. I'm using an i5-3570K IB with HD
4000 on a Gygabyte Z77X-UD3H motherboard. I started with the 64 bit
install fom ubuntu.org and had very frequent freezes. I switched to the
recommended 32 bit and it's decreased significantly, but I still have
freezes. If audio
** Summary changed:
- 12.04 64 bit System freezes (mouse, keyboard)
+ [IVB]12.04 64 bit System freezes (mouse, keyboard)
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