I have the same problem but I have Nvidia graphic card. It happens working with QTCreator 1.2.1 opening a *.ui file after a full project recompilation. My system is a fresh Ubuntu 9.10, graphic driver Nvidia 190 (but also happens with 185)
A piece of my /var/log/Xorg.0.log.old : Backtrace: 0: /usr/bin/X(xorg_backtrace+0x3b) [0x8133d6b] 1: /usr/bin/X(xf86SigHandler+0x55) [0x80c7d35] 2: [0xa79400] 3: /usr/bin/X(FindGlyphByHash+0x3c) [0x816e71c] 4: /usr/bin/X [0x817b13c] 5: /usr/bin/X [0x81742e5] 6: /usr/bin/X(Dispatch+0x35f) [0x808d17f] 7: /usr/bin/X(main+0x395) [0x8072515] 8: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6) [0x24db56] 9: /usr/bin/X [0x80719c1] Saw signal 11. Server aborting. ** Attachment added: "Xorg.0.log.old" http://launchpadlibrarian.net/36225854/Xorg.0.log.old -- X crashes in FindGlyphByHash https://bugs.launchpad.net/bugs/401045 You received this bug notification because you are a member of Ubuntu-X, which is the registrant for xserver-xorg-driver-ati. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp