That X log has a backtrace from X. I notice that noveau in the the call stack. It's probably worth checking with them if it's a known bug.
The backtrace going through __kernel_sigreturn is a bit weird to me. [ 15845.260] [mi] EQ overflowing. The server is probably stuck in an infinite loop. [ 15845.260] Backtrace: [ 15845.272] 0: /usr/bin/X (xorg_backtrace+0x3b) [0x80eab2b] [ 15845.273] 1: /usr/bin/X (mieqEnqueue+0x1ab) [0x80e9d0b] [ 15845.273] 2: /usr/bin/X (xf86PostMotionEventM+0xbf) [0x80c4b6f] [ 15845.273] 3: /usr/lib/xorg/modules/input/evdev_drv.so (0xf52000+0x368f) [0xf5568f] [ 15845.273] 4: /usr/lib/xorg/modules/input/evdev_drv.so (0xf52000+0x54e9) [0xf574e9] [ 15845.273] 5: /usr/lib/xorg/modules/input/evdev_drv.so (0xf52000+0x5d4d) [0xf57d4d] [ 15845.273] 6: /usr/bin/X (0x8048000+0x6b41f) [0x80b341f] [ 15845.273] 7: /usr/bin/X (0x8048000+0x12ddb6) [0x8175db6] [ 15845.273] 8: (vdso) (__kernel_sigreturn+0x0) [0xf7d400] [ 15845.273] 9: /lib/i386-linux-gnu/libdrm.so.2 (drmCommandWrite+0x3b) [0xdd008b] [ 15845.273] 10: /lib/i386-linux-gnu/libdrm_nouveau.so.1 (0xbee000+0x285a) [0xbf085a] [ 15845.273] 11: /lib/i386-linux-gnu/libdrm_nouveau.so.1 (nouveau_bo_map_range+0xf1) [0xbf0f01] [ 15845.273] 12: /lib/i386-linux-gnu/libdrm_nouveau.so.1 (nouveau_bo_map+0x33) [0xbf0ff3] [ 15845.273] 13: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0xa9f000+0x3c31) [0xaa2c31] [ 15845.273] 14: /usr/lib/xorg/modules/libexa.so (0x38c000+0x8f4f) [0x394f4f] [ 15845.273] 15: /usr/bin/X (0x8048000+0xe28a5) [0x812a8a5] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/805402 Title: When scrolling in Chromium, PC freezes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/805402/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
