Determined to be a BIOS fault.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Triaged => Invalid
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(In reply to comment #30)
> Hello all, I used to see very similar behaviour on my Sandy Bridge box.
> Interestingly I'm also using an Asrock Board (H67M-GE). That indicates that
> it might be a hardware issue. I flashed the latest BIOS version provided bei
> Asrock (V 2.10, used to have 1.40 or 1.5
Ok, sounds like the original issue was a combination of busted hw/bios,
and we're robbed of any chances to do further debug :( Thanks for
reporting, I'll close this now.
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** Changed in: xserver-xorg-video-intel
Status: Incomplete => Invalid
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Title:
[sandybridge-m-gt2+] GPU lo
That sounds similar to:
commit 31643d54a739382626c27c0f2a12b3bbc22d1a38
Author: Ben Widawsky
Date: Wed Sep 26 10:34:01 2012 -0700
drm/i915: Workaround to bump rc6 voltage to 450
BIOS should be setting the minimum voltage for rc6 to be 450mV. Old or
buggy BIOSen may not be doin
Hello all, I used to see very similar behaviour on my Sandy Bridge box.
Interestingly I'm also using an Asrock Board (H67M-GE). That indicates
that it might be a hardware issue. I flashed the latest BIOS version
provided bei Asrock (V 2.10, used to have 1.40 or 1.50 before, don't
remember exactly)
*** Bug 52945 has been marked as a duplicate of this bug. ***
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Title:
[sandybridge-m-gt2+] GPU lockup IPEHR: 0x
*** Bug 52424 has been marked as a duplicate of this bug. ***
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Title:
[sandybridge-m-gt2+] GPU lockup IPEHR: 0x
*** Bug 55349 has been marked as a duplicate of this bug. ***
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Title:
[sandybridge-m-gt2+] GPU lockup IPEHR: 0x
I'm still able to reproduce this bug, but it's gotten much harder to do
after updating from Gnome 3.2 to 3.4.
I updated my kernel and userspace and on Gnome 3.2 start up, the GPU
would reset completely reproducibly. I updated to Gnome 3.4 and the GPU
no longer hangs on reset, but after a long time
I'm glad to help on this one. My Bug 53186 was related to this one.
I disabled rc6 and so far nothing. What needs to be done?
What do we need to test? Please let me know.
Thanks.
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