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Created attachment 361901 [details] /var/log/messages with kms disabled Description of problem: Trying out the snap3 x86_64 liveusb; the X display is garbled with kms on. With nomodeset=1 there's an endless loop where X tries to start but can't, dropping back to console and then again trying to start X. Attaching messages and Xorg.0.log when kms is disabled.
Created attachment 361902 [details] Xorg.0.log with kms disabled
It's quite a long shot, I'm really not sure what's happening with the random crashes and hangs on the chipset you have. However, a lot of the relevant code seen some improvements recently, are you able to test http://koji.fedoraproject.org/koji/taskinfo?taskID=1705865 and report back, thanks!
Since this bugzilla report was filed, there have been several major updates in various components of the Xorg system, which may have resolved this issue. Users who have experienced this problem are encouraged to upgrade their system to the latest version of their packages (at least F12Beta, but even better if the very latest versions). Please, if you experience this problem on the up-to-date system, let us now in the comment for this bug, or whether the upgraded system works for you. If you won't be able to reply in one month, I will have to close this bug as INSUFFICIENT_DATA. Thank you. [This is a bulk message for all open Fedora Rawhide Xorg-related bugs. I'm adding myself to the CC list for each bug, so I'll see any comments you make after this and do my best to make sure every issue gets proper attention.]
This bug appears to have been reported against 'rawhide' during the Fedora 12 development cycle. Changing version to '12'. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
Amit, could you please retest and report back per Comment #2? -- Fedora Bugzappers volunteer triage team https://fedoraproject.org/wiki/BugZappers
My AMD system refuses to come up -- I'll have to open it up and check. Till then, I can't do any testing, sorry.
OK, marking this bug as needinfo until you can give us more information.
The F13 alpha liveusb played well on the system. I'll do some more checking with the beta, but looks like it's all ok now. I'll open another bug in case there's something wrong. Thanks!