[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=43835

--- Comment #15 from Michel Dänzer <michel at daenzer.net> 2011-12-16 01:51:06 PST ---
(In reply to comment #13)
> 1/ "firmware-linux-nonfree" package is not installed, or
> 2/ Option "NoAccel" "True" is set at xorg.conf

These are mostly equivalent, as acceleration is not possible without the
microcode with KMS.

What might be interesting would be to try GNOME fallback mode with KMS disabled
(radeon.modeset=0) with and without firmware-linux-nonfree installed. Please
attach dmesg and Xorg.0.log for both cases again. (The r300g driver doesn't
work with KMS disabled)

BTW, does the GNOME fallback mode end up using the same window manager
(Metacity?) with and without acceleration being enabled?

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