https://bugs.freedesktop.org/show_bug.cgi?id=43835
--- Comment #4 from Camaleón noelamac@gmail.com 2011-12-15 00:49:15 PST --- (In reply to comment #3)
I have asked the user to try with this option while having the firmware package installed, will report back as soon as I get the results.
The user reported that both kernels do work (no crashes) with "firmware-linux-nonfree" installed and using this "/etc/X11/xorg.conf" file:
*** Section "Device" Identifier "ATI" Driver "radeon" Option "NoAccel" "True" EndSection
Section "Screen" Identifier "Default Screen" DefaultDepth 24 EndSection ***
This effectively disables 3D acceleration (which means no "gnome-shell") but the user hasn't experienced any further crash since yesterday.