Comment 20 for bug 356133

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In , Sascha-web-bugs-freedesktop-org (sascha-web-bugs-freedesktop-org) wrote :

Recently the Xorg vesa driver stopped working in Ubuntu Jaunty [1] and Fedora Rawhide [2] when run inside kvm-84. Because it got broken in both, I'm guessing it's actually an Xorg bug.

The most interesting non-debug lines in Xorg.0.log are:

(II) VESA: driver for VESA chipsets: vesa
(WW) Falling back to old probe method for vesa
(EE) No devices detected.

The versions of the vesa driver are 2.2.0-3.fc11 for Fedora and 2.0.0-1ubuntu6 for Ubuntu Jaunty.
See the Ubuntu bug [1] for complete Xorg.0.log files before and after the breakage.

kvm-85 has been reported to work better for some users, but is not available in Debian experimental yet (so I cannot verify easily).

[1] https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-vesa/+bug/356133
[2] https://bugzilla.redhat.com/show_bug.cgi?id=500057