closing, the fix is in distro kernels 3.19 and up, which are also
backported to 14.04
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Fix Committed => Fix Released
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It would be great to know if there are any plans to backport this, and
if so to which releases. Thanks.
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Title:
Great that the bug is queued for 3.17. However, does that mean it will
make the 14.10 and 14.04 kernels as a backport?
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Fixed queued for 3.17.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Fix Committed
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so looks like this bug should be reopened?
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Title:
[ivb] hang on pageflip (IPEHR: 0x0a01 or 0x0a080001 depen
Why? We are tracking the continuing saga in #77104.
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Title:
[ivb] hang on pageflip (IPEHR: 0x0a01 or 0x0a080
*** Bug 76229 has been marked as a duplicate of this bug. ***
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Title:
[ivb] hang on pageflip (IPEHR: 0x0a01
Created attachment 95815
Crash dump with kernel 3.13.6 (including the final patch)
Hi There. Unfortunately this doesn't look solved. Had 2 hangs this week.
This is better than before, but ultimately the issue doesn't look solved
:(
Attached you can find my last crash dump.
Kind regards
Enrico
-
*** Bug 73437 has been marked as a duplicate of this bug. ***
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Title:
[ivb] hang on pageflip (IPEHR: 0x0a01
Thank you very much, much appreciated the help. Can't wait for the next
release!
Best regards
Enrico
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Title:
[i
** Changed in: xserver-xorg-video-intel
Status: In Progress => Fix Released
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Title:
[ivb] hang on pagefli
commit f66fab8e1cd6b3127ba4c5c0d11539fbe1de1e36
Author: Ville Syrjälä
Date: Tue Feb 11 19:52:06 2014 +0200
drm/i915: Prevent MI_DISPLAY_FLIP straddling two cachelines on IVB
According to BSpec the entire MI_DISPLAY_FLIP packet must be contained
in a single cacheline. Make sure
** Summary changed:
- [ivb] hang on pageflip (IPEHR: 0x0a01)
+ [ivb] hang on pageflip (IPEHR: 0x0a01 or 0x0a080001 depending on pipe)
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** Changed in: xserver-xorg-video-intel
Status: Confirmed => In Progress
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Title:
[ivb] hang on pageflip (
Assigning to Ville so he can submit the patch. To avoid bikeshedding
this to death: I prefer if we add a new intel_ring_begin_cacheline_safe
or so which encapsulates the logic. And obviously puts a WARN_ON if the
requested length is bigger than 1 cachline ;-)
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Well no hangs for now! I downloaded the 3.13.2 kernel, applied the patch
again and compiled it. From now on I'll start using this instead of the
3.13.1.
The difference I might experience compared to when running without the
patch, but I'm not sure at all, if there is a difference it is quite
small
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided => High
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Title:
[ivb] hang on pageflip
(In reply to comment #20)
> Enrico, if you have the opportunity can you try Ville's patch from comment 8?
Hi Chris, I compiled and run the 3.13.1 kernel with named patch applied.
For now everything is ok, but I still don't yell to victory. This bug is
fairly hard to reproduce in my case. Usually i
(In reply to comment #18)
> Created attachment 93534 [details]
> crash dump when using patch from comment #13
>
> Tried patch from comment #13 . Apparently it didn't solved the issue,
That's actually reassuring. The crash dump shows that the patch is
working and the GPU is awake, so forcewake is
Created attachment 93534
crash dump when using patch from comment #13
Tried patch from comment #13 . Apparently it didn't solved the issue,
but there is some notable change: usually I was able to spot the hang
because everything freeze, only the mouse moves. Eventually and often,
for some very wei
Enrico, if you have the opportunity can you try Ville's patch from
comment 8?
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Title:
[ivb] hang on pageflip (IP
The multiple simultaneous render response messages theory is flawed; the
original crash dump hung with only a single active pipe.
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Mine also occurs on multi-monitor setup with VGA to VGA , HDMI to DVI
and HDMI to HDMI connection.
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Title:
[ivb]
One question for everybody: Do you only see this in multi-monitor
setups?
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Title:
[ivb] hang on pageflip (IPEHR:
Created attachment 93514
yet another crash dump
I'm affected as well. Running gentoo, happened with kernel 3.11, 3.12,
3.13 for sure, video-intel 2.21.15, 2.99.907, 2.99.909 (all with SNA
enabled), mesa 9.2.5
dmesg:
[ 763.125484] [drm] stuck on render ring
[ 763.125485] [drm] GPU crash dump sa
Created attachment 93513
Frob FORCEWAKE around RCS flips
When in doubt, tell the GPU not to go to sleep.
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Title:
It happens for me on a multi-monitor setup, yes.
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Title:
[ivb] hang on pageflip (IPEHR: 0x0a01)
Status in X
*** Bug 74569 has been marked as a duplicate of this bug. ***
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Title:
[ivb] hang on pageflip (IPEHR: 0x0a01)
Starting to see multiple sightings in Ubuntu. We'll have to queue up a
revert of RCS flips unless we can find the answer.
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FWIW, I've just been redirected to this bug. While this is listed as a
'false GPU lockup', in my case the GPU was locked up for about 30
seconds before it spontaneously recovered.
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I did more testing with a clean install of Ubuntu x64 13.10 and getting
the usual updates and an XBMC nightly. Conclusion: XBMC runs fine
without any issues as long as I don't use "bitstream" audio. Once
bitstreaming is enabled and using ALSA directly the skipped frames
occur.
So what I will do no
I had another lockup today, but this time using an HDMI connection
instead of VGA. This occurred while watching a Vimeo video which is
slightly different from my first gpu hang.
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** Attachment added: "GPU Crash Log on Card 1"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1274779/+attachment/3968562/+files/gpu-hang2.tar.bz2
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** Changed in: xserver-xorg-video-intel
Status: Incomplete => Confirmed
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Title:
[ivb] hang on pageflip (I
Chris, Ville: Neither patched helped. Around once a minute 20-30 frames
are dropped in one go. I'm on git 3.13.0 and just apply your changes to
that one - compared to my code I'm around 300 lines off from where you
guys are doing the changes... I'll do a new git pull and then try again.
"FBC unsup
This is the first time I've had this hang, and it might have been
introduced by the 3.13.0-6-generic kernel which I upgraded to today.
When the gpu hang occurred my mouse cursor was hidden for about five
seconds.
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It is unlikely to explain the cursor flicker - the hang here is quite
rare. But a regular GPU hang could produce the symptoms you describe if
the hang coincided with the cursor being hidden itself by software (the
command to show the cursor will then need to wait for the hangcheck to
be detected in
** Attachment added: "dmesg and gpu crash log"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1274779/+attachment/3967368/+files/gpu-hang.tar.bz2
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Just got the same error a couple of minutes ago. I have this in my dmesg
log:
[ 5069.629929] [drm] stuck on render ring
[ 5069.629932] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 5069.629933] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
Here you go
ramesh@ramesh-Aspire-V3-771:~$ cat /sys/kernel/debug/dri/0/i915_fbc_status
cat: /sys/kernel/debug/dri/0/i915_fbc_status: Permission denied
ramesh@ramesh-Aspire-V3-771:~$ sudo cat
/sys/kernel/debug/dri/0/i915_fbc_status
[sudo] password for ramesh:
FBC disabled: disabled per chip default
Created attachment 93135
One potential idea
I tried to look through our gen7 page flip code. Looks like everything's
according to spec, except we allow the MI_DISPLAY_FLIP to straddle two
cachelines. This patch fixes that. Worth a shot I suppose even if the
hanging flip in the error state didn't h
Can you please 'cat /sys/kernel/debug/dri/0/i915_fbc_status'
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Title:
[ivb] hang on pageflip (IPEHR: 0x0a01)
Launchpad has imported 7 comments from the remote bug at
https://bugs.freedesktop.org/show_bug.cgi?id=74053.
If you reply to an imported comment from within Launchpad, your comment
will be sent to the remote bug automatically. Read more about
Launchpad's inter-bugtracker facilities at
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** Summary changed:
- False GPU lockup IPEHR: 0x0a01
+ [ivb] hang on pageflip (IPEHR: 0x0a01)
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Title:
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Confirmed
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ht
** Bug watch added: freedesktop.org Bugzilla #74053
https://bugs.freedesktop.org/show_bug.cgi?id=74053
** Also affects: xserver-xorg-video-intel via
https://bugs.freedesktop.org/show_bug.cgi?id=74053
Importance: Unknown
Status: Unknown
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** Tags removed: need-duplicate-check
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Title:
False GPU lockup IPEHR: 0x0a01
Status in “xserver-xorg-video
Public bug reported:
False GPU lockup IPEHR: 0x0a01
ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: xserver-xorg-video-intel 2:2.99.907-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
Uname: Linux 3.13.0-5-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.
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