No, that's not a backtrace. Here are instructions for getting one with
livecd (thanks, thayerw!) or alternate install:
-when the screen goes blank, switch to a virtual console (ctrl+alt+f{2..6})
-become root:
# sudo -s
-grab the packages from my site:
# wget
http://users.tkk.fi/~tjaalton/dpkg/xserver-xorg-core_1.2.0-3ubuntu7.4_i386.deb
# wget
http://users.tkk.fi/~tjaalton/dpkg/xserver-xorg-video-vesa_1.3.0-1ubuntu4.1_i386.deb
-install them
# dpkg -i *.deb
-make sure X isn't running (as if)
# killall -9 X
-start X with gdb
# gdb /usr/bin/X 2>&1 | tee gdb-x.txt
-run following commands on the gdb shell
(gdb) handle SIG33 pass nostop noprint
(gdb) set pagination 0
(gdb) run
-then X should crash, and then run these commands
(gdb) backtrace
(gdb) info registers
(gdb) thread apply all backtrace
(gdb) quit
-now try to get that file attached here :)
--
[regression] 7.2 broke vesa: "No matching modes found"
https://bugs.launchpad.net/bugs/89853
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Bugs, which is the bug contact for Ubuntu.
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