I have the same problem here too, Thinkpad T500, T9550, 9.04 x64. Caps lock LED is flashing when it happens.
Jun 27 23:51:29 t500 kernel: [ 1942.540712] CE: hpet increasing min_delta_ns to 15000 nsec Jun 27 23:51:30 t500 kernel: [ 1942.972710] CE: hpet increasing min_delta_ns to 22500 nsec Jun 27 23:51:30 t500 kernel: [ 1942.972887] CE: hpet increasing min_delta_ns to 33750 nsec Jun 27 23:52:54 t500 kernel: [ 2027.652690] CE: hpet increasing min_delta_ns to 50624 nsec I thought I traced it to the Adobe 10 flash player: Jun 27 22:29:57 t500 kernel: [ 152.563328] npviewer.bin[4113] general protection ip:f019d805 sp:fff51450 error:0 in libmurrine.so[f018e000+20000] Jun 27 22:30:11 t500 kernel: [ 166.980410] npviewer.bin[4140]: segfault at 6aac7340 ip 00000000f3c9a039 sp 00000000fff357ec error 4 in libmurrine.so[f3$ Jun 27 22:30:11 t500 kernel: [ 167.473236] npviewer.bin[4314] general protection ip:f3ca0031 sp:fff0b7bc error:0 in libmurrine.so[f3c90000+20000] Jun 27 22:31:35 t500 kernel: [ 250.704657] general protection fault: 0000 [#1] SMP Jun 27 22:31:35 t500 kernel: [ 250.704667] last sysfs file: /sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/rfkill/rfkill2/state Jun 27 22:31:35 t500 kernel: [ 250.704674] Dumping ftrace buffer: Jun 27 22:31:35 t500 kernel: [ 250.704679] (ftrace buffer empty) Jun 27 22:31:35 t500 kernel: [ 250.704683] CPU 1 Jun 27 22:31:35 t500 kernel: [ 250.704686] Modules linked in: binfmt_misc ppdev bridge stp bnep input_polldev joydev lp parport snd_hda_intel snd_pcm_o$ Jun 27 22:31:35 t500 kernel: [ 250.704794] Pid: 4330, comm: npviewer.bin Tainted: P 2.6.28-13-generic #44-Ubuntu Jun 27 22:31:35 t500 kernel: [ 250.704799] RIP: 0010:[<ffffffff802e236c>] [<ffffffff802e236c>] kmem_cache_alloc+0x5c/0xc0 Jun 27 22:31:35 t500 kernel: [ 250.704814] RSP: 0018:ffff880118c93d48 EFLAGS: 00010082 But I still had the lockup even with that player removed. -- lockups with default (hpet) clocksource on 2.6.27-2-generic 64-bit https://bugs.launchpad.net/bugs/270798 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
