Created attachment 22472 [details] Example screen image when failing Forwarding this bug from a Canonical reporter: https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-driver-ati/+bug/324234 Selecting the first VT (ctl-alt-F1) results in flashing garbage on screen, and sometimes (one in three tests) a freeze. Attached logs are from the first reboot after the freeze. 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Radeon Mobility HD 3670 [1002:9593] Subsystem: Dell Device [1028:0272]
Created attachment 22473 [details] [review] gdm log, showing error messages The gdm log shows some xserver output which might be relevant... invalid output device for dac detection in RADEONProbeOutputModes ... Unblank CRTC 0 success error setting MTRR (base = 0xc0000000, size = 0x20000000, type = 1) Invalid argument (22) ddxSigGiveUp: Closing log
Created attachment 22474 [details] [review] Xorg.0.log
Created attachment 22475 [details] Xorg.0.log.old Nothing obviously interesting in either Xorg.0.log but attaching them for completeness.
Created attachment 22496 [details] [review] possible fix Does this patch help?
Created attachment 22497 [details] [review] possible fix Does this patch help?
debs: http://people.ubuntu.com/~bryce/Testing/ati-bug324234/
Steve reports: """ This solved the problem on the machine it was originally reported for. Thanks! """
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