FWIW, I saw nearly exactly the same backtrace in a Natty system (using kernel 2.6.38-11-generic-pae) just now:
[214132.465] [mi] EQ overflowing. The server is probably stuck in an infinite loop. [214132.465] Backtrace: [214132.465] 0: /usr/bin/X (xorg_backtrace+0x3b) [0x80eab2b] [214132.465] 1: /usr/bin/X (mieqEnqueue+0x1ab) [0x80e9d0b] [214132.465] 2: /usr/bin/X (xf86PostMotionEventM+0xbf) [0x80c4b6f] [214132.481] 3: /usr/lib/xorg/modules/input/evdev_drv.so (0xb4d15000+0x368f) [0xb4d1868f] [214132.481] 4: /usr/lib/xorg/modules/input/evdev_drv.so (0xb4d15000+0x54e9) [0xb4d1a4e9] [214132.481] 5: /usr/lib/xorg/modules/input/evdev_drv.so (0xb4d15000+0x5d4d) [0xb4d1ad4d] [214132.481] 6: /usr/bin/X (0x8048000+0x6b41f) [0x80b341f] [214132.481] 7: /usr/bin/X (0x8048000+0x12ddb6) [0x8175db6] [214132.481] 8: (vdso) (__kernel_sigreturn+0x0) [0xb777e400] (Not sure what triggered it. I'd been using vncviewer, appletviewer, chrome, and cygwin sed.exe in wine.) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/567696 Title: [mi] EQ overflowing. The server is probably stuck in an infinite loop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/567696/+subscriptions _______________________________________________ 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