[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 #3 from Rafał Miłecki <zajec5 at gmail.com> 2010-04-28 12:38:29 PDT ---
I've manually checkouted:

commit 6b8b1786a8c29ce6e32298b93ac8d4a18a2b11c4
Author: Jerome Glisse <jglisse at redhat.com>
Date:   Wed Apr 7 10:21:31 2010 +0000

    drm/radeon/kms: enable use of unmappable VRAM V2

which is one commit before "Merge branch 'drm-ttm-unmappable' into
drm-core-next". Manually applied "agp/intel: put back check that we have a
driver for the
bridge." and compiled.

With this kernel I tried suspend&resume. This time I saw "[TTM] Buffer eviction
failed" as well but luckily this didn't lock up! This way I was able to see
dmesg for more details. I believe it should give you idea what goes wrong.

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