[Bug 68178] evergreen: hard lockup on suspend and resume with dpm

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68178

--- Comment #11 from Lars <lars+freedesktop at 6xq.net> ---
(In reply to comment #6)
> * Regardless of DPM enabled or not I get X server crashes within minutes
> after a suspend/resume cycle. This happens with kernel 3.11.1 with current
> firmware. When I downgrade my kernel-firmware package to 20130114git-1.2.1,
> this problem vanishes. But the firmware may be the original cause. With the
> old firmware I for example do not have direct rendering or acceleration.

I have the same problem with kernel 3.11.6 on Gentoo Linux (stable) with a
Radeon HD 4650. Hibernation itself works, but shortly after resuming the
machine Xorg crashes with a bus error. Additionally dmesg contains messages
about GPU lockups before or after hibernating. Removing the uvd/smc blobs stops
Xorg from crashing, but disables direct rendering (including XVideo, …). Note
that Xorg does *not* crash after resuming from suspend to RAM.

Downgrading to 3.10 (with the same firmware package) does not solve the
problem, so I’m back to 3.4.67 for now, which works (both hibernate/direct
rendering) for me.

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