Comment 9 for bug 541492

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istoyanov (istoyanov) wrote : Re: MASTER: [i845] GPU lockup (apport-crash)

Unfortunately, after my previous optimistic report, I have experienced several random crashes (combined with wrong resolution signal to the monitor) similar to these reported by Jerry. Basically, I use only the "nomodeset" boot option (i.e. removed the default "splash" and "quiet" to follow the boot process) but sometimes the gdm screen received a non-standard resolution that was reported by the monitor as "user setting" (and not as "1024x768"). This has led me to experiment a little bit by adding "Modes 1024x768" and "Modeline FREQ1-FREQ2" to a newly-created xorg.conf. Thereafter, the switch from the framebuffer to the gdm login screen seems to happen with the specified resolution applied, but sometimes, when clicking on the logout button or scrollling over the volume control icon X crashes and the monitor starts to switch between a black-white striped upper 1/2 (or third) and a completely blank screen. In this situation I cannot switch to a virtual console and the only way out is the ON/OFF button on the PC (this seems to trigger a clean switch-off). I'll test the updates that Bryce mentioned and will report here any further problems. Or should I open a separate bug-report for this?