Re: regression(?) 3.3-rc4 -> 3.3-rc5: drm intel hangs
From: Norbert Preining
Date: Thu Mar 01 2012 - 02:42:36 EST
Hi everyone,
sorry for the late answer, I was sure that it does not happen again,
but alas, right then, it happened again.
On Di, 28 Feb 2012, Paul Menzel wrote:
> I do not know. But it would be interesting to know if you just see this
> in your log files or if you also see some effects like screen
> corruptions. You can increase the log level by adding `drm.debug=0x06`
> to the Linux kernel command line [1].
Yes: - gnome-screensaver dialog does not come up
- former case: fall back to gnome3 fallback mode, no 3d accel
I didn't have the drm.debug=0x06 running, but with the next reboot
I will activate it and hope it happens again.
On Di, 28 Feb 2012, Dave Airlie wrote:
> And you haven't changed userspace in any way?
On 25. Februar I got the new version of Debian's
xserver-xorg-video-intel 2.18.0
debian 2:2.18.0-1
updated from 2:2.17.0-1
Anything I can do to blame this on user space?
On Di, 28 Feb 2012, Daniel Vetter wrote:
> Wee need this i915_error_state file from debugfs (you might need to mount
> that first again) to diagnose gpu hangs. Also, it only contains
> information after a crash, so you need to rehang your machine if you've
> rebooted since then.
I didn't have debugfs mounted when it crashed, though ....
I mounted it *afterwards* and attach the i915_error_state file.
Mind, there is also a /debugfs/dri/64/ directory with a i915_error_state,
but they are absolutely the same.
If I have to have debugfs *monted* at the time of the crash, I have to
wait for the next instance.
Best wishes
Norbert
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Norbert Preining preining@{jaist.ac.jp, logic.at, debian.org}
JAIST, Japan TeX Live & Debian Developer
DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094
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