I have same problem on a Debian Testing Linux AMD64 for a long time ago. I use a nvidia card with nouveau driver. But, all backtraces has /usr/lib/xorg/modules/input/evdev_drv.so or /usr/lib/xorg/modules/input/synaptic_drv.so . Maybe is a keyboard / mouse fault, not graphic card?
Mi backtrace: [mi] EQ overflowing. The server is probably stuck in an infinite loop. 0: /usr/bin/Xorg (xorg_backtrace+0x26) [0x7f0102d0f4d6] 1: /usr/bin/Xorg (mieqEnqueue+0x191) [0x7f0102cefde1] 2: /usr/bin/Xorg (0x7f0102b8b000+0x65254) [0x7f0102bf0254] 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f00fc58b000+0x5588) [0x7f00fc590588] 4: /usr/bin/Xorg (0x7f0102b8b000+0x8a947) [0x7f0102c15947] 5: /usr/bin/Xorg (0x7f0102b8b000+0xb052e) [0x7f0102c3b52e] 6: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f0101eb3000+0xf030) [0x7f0101ec2030] 7: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f0100c8e957] 8: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f00ff00ca68] 9: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmCommandWrite+0x1b) [0x7f00ff00ed5b] 10: /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.1 (0x7f00fe9bd000+0x3197) [0x7f00fe9c0197] 11: /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.1 (nouveau_bo_map_range+0x109) [0x7f00fe9c07b9] 12: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7f00febc3000+0x7b23) [0x7f00febcab23] 13: /usr/lib/xorg/modules/libexa.so (0x7f00fe582000+0x4c47) [0x7f00fe586c47] 14: /usr/lib/xorg/modules/libexa.so (0x7f00fe582000+0x82fb) [0x7f00fe58a2fb] 15: /usr/lib/xorg/modules/libexa.so (0x7f00fe582000+0x12a07) [0x7f00fe594a07] 16: /usr/lib/xorg/modules/libexa.so (0x7f00fe582000+0xf0b8) [0x7f00fe5910b8] 17: /usr/bin/Xorg (0x7f0102b8b000+0x114f34) [0x7f0102c9ff34] 18: /usr/lib/xorg/modules/libexa.so (0x7f00fe582000+0x10330) [0x7f00fe592330] 19: /usr/bin/Xorg (0x7f0102b8b000+0x10dbf1) [0x7f0102c98bf1] 20: /usr/bin/Xorg (0x7f0102b8b000+0x51f81) [0x7f0102bdcf81] 21: /usr/bin/Xorg (0x7f0102b8b000+0x411aa) [0x7f0102bcc1aa] 22: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xfd) [0x7f0100bdbead] 23: /usr/bin/Xorg (0x7f0102b8b000+0x4149d) [0x7f0102bcc49d] ** Attachment added: "gdm3_0.log.3" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/567696/+attachment/3041607/+files/gdm3_0.log.3 -- 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