[Bug 47481] Random blank screen: radeon_cs_ib_chunk Failed to schedule IB on AMD PALM

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=47481


Andre <andros at all-ein.net> changed:

           What    |Removed                     |Added
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                 CC|                            |andros at all-ein.net




--- Comment #10 from Andre <andros at all-ein.net>  2012-11-25 19:03:33 ---
I can confirm this bug on my AMD A8-3550-m
Kernel 3.5.7 and 3.6.6  -> radeon.modeset=1

The trouble began about tree days ago, as i updated my Gentoo system (stable
branch) and the following updates where installed:

xorg-server    1.12.4     =>   1.13.0-r1
mesa           8.0.4-r1   =>   9.0
xf86-video-ati 6.14.6-r1  =>   7.0.0

After that i had strange artifacts in X and random crashes of the X-server.
Where the mouse is movable but the windows are frozen and the screen turns
black after a a short time.

I have test-installed 3 other linux distributions, all came out with the same
bug, after upgrading the installations to the latest stable releases.


Sadly only after tree days of experimenting, i came to the conclusion that this
error only occurs when the VGA output is active. 
With the LVDA or HDMI output i have no problems so far. 

It's really sad to see, that this bug is two months old and now shows up in
major Linux Distributions, in the >>stable-branches<<.

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