[Bug 27822] [REGR] Soft lockup with "[TTM] Buffer eviction failed" on resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27822

--- Comment #2 from Rafał Miłecki <zajec5 at gmail.com> 2010-04-28 11:11:57 PDT ---
(In reply to comment #1)
> Any chance you can bisect the problematic commit?  Try drm-linus as well; if
> the bug is not there it will be easier to track down since it's likely
> something in drm-radeon-testing

I already tried before reporting bug but every older commit I tried didn't boot
(hang at beginning of drm initialization).

I tried few recent commits and it looks (quite crazy) like I need:

commit 10fd883ce384706f88554a0b08cc4d63345e7d8b
Author: Dave Airlie <airlied at redhat.com>
Date:   Tue Apr 20 16:34:20 2010 +1000

    agp/intel: put back check that we have a driver for the bridge.

to boot successfully. First I thought it's Intel GPU related, so didn't treat
it seriously.

Anyway, trying:

commit 7547a917fa5f3b2406f52c7dcf7ec9ad3c8532eb
Merge: a8089e8 6b8b178
Author: Dave Airlie <airlied at redhat.com>
Date:   Tue Apr 20 14:15:09 2010 +1000

    Merge branch 'drm-ttm-unmappable' into drm-core-next

with manually applied "agp/intel: put back check that we have a driver for the
bridge." still fails on resume.

Will try to bisect it, now I know fix for booting it should be easier.

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