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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Xorg server crash when initializing secondary discrete Radeon HD 8730M GPU"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99180#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Xorg server crash when initializing secondary discrete Radeon HD 8730M GPU"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99180">bug 99180</a>
from <span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
</span></b>
<pre>(In reply to Alexander Gagarin from <a href="show_bug.cgi?id=99180#c0">comment #0</a>)
<span class="quote">> With the following contents (that worked for a long time) of
> /etx/X11/xorg.conf.d/20-gpu.conf:</span >
BTW, please use /etc/X11/xorg.conf itself for your configuration, not any
xorg.conf.d snippets.
<span class="quote">> ection "Device"
> Identifier "intel"
> Driver "intel"
> Option "DRI" "3"
> Option "VSync" "False"
> BusID "PCI:0:2:0"
> Screen 0
> EndSection
>
> Section "Device"
> Identifier "radeon"
> Driver "radeon"
> Option "VSync" "False"
> Option "DRI" "3"
> BusID "PCI:3:0:0"
> Screen 1
> EndSection</span >
FWIW, this configuration is incorrect for your hardware setup. The Screen
stanzas are for associating multiple Device sections to the same GPU.
<span class="quote">> It seems that radeon_drv dislikes config with depth=24 bpp and fb=32 bpp.</span >
That's what basically everybody else is using...
<span class="quote">> This behaviour seems to be introduced with kernel 4.8 and still remains in
> 4.9.</span >
Weird. Can you bisect the kernel, or get a gdb backtrace of the Xorg crash
(make sure debugging symbols are available for /usr/libexec/Xorg and</pre>
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