I dont know if its the same bugs or another bug here its the stack trace on the ocasional failures:
[6368472.738379] Call Trace: [6368472.738389] [<ffffffff81041abe>] ? pick_next_task_fair+0xca/0xd6 [6368472.738395] [<ffffffff812fae40>] ? thread_return+0x79/0xe0 [6368472.738401] [<ffffffff8100e160>] ? xen_vcpuop_set_next_event+0x0/0x60 [6368472.738405] [<ffffffff812fb1fd>] ? schedule_timeout+0x2e/0xdd [6368472.738408] [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1 [6368472.738412] [<ffffffff812fc1da>] ? _spin_unlock_irqrestore+0xd/0xe [6368472.738418] [<ffffffff810ad168>] ? cpupri_set+0x10c/0x135 [6368472.738425] [<ffffffff8121cc16>] ? serial8250_resume+0x0/0x3a [6368472.738428] [<ffffffff812fb0b4>] ? wait_for_common+0xde/0x15b [6368472.738433] [<ffffffff8104a42f>] ? default_wake_function+0x0/0x9 [6368472.738439] [<ffffffff81061b0c>] ? flush_cpu_workqueue+0x5e/0x75 [6368472.738442] [<ffffffff81064c2e>] ? kthread_stop+0x5d/0xa2 [6368472.738446] [<ffffffff81061b67>] ? cleanup_workqueue_thread+0x44/0x51 [6368472.738449] [<ffffffff81061c0e>] ? destroy_workqueue+0x76/0xad [6368472.738454] [<ffffffff8108ad7f>] ? stop_machine_destroy+0x2e/0x47 [6368472.738458] [<ffffffff811efd2d>] ? shutdown_handler+0x230/0x25c [6368472.738462] [<ffffffff812fb776>] ? mutex_lock+0xd/0x31 [6368472.738465] [<ffffffff811f1038>] ? xenwatch_thread+0x117/0x14a [6368472.738469] [<ffffffff81064e96>] ? autoremove_wake_function+0x0/0x2e [6368472.738472] [<ffffffff811f0f21>] ? xenwatch_thread+0x0/0x14a [6368472.738474] [<ffffffff81064bc9>] ? kthread+0x79/0x81 [6368472.738479] [<ffffffff81011baa>] ? child_rip+0xa/0x20 [6368472.738482] [<ffffffff81010d61>] ? int_ret_from_sys_call+0x7/0x1b [6368472.738485] [<ffffffff8101151d>] ? retint_restore_args+0x5/0x6 [6368472.738489] [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1 [6368472.738492] [<ffffffff81011ba0>] ? child_rip+0x0/0x20
But after some time it gets back to normal.
I dont know if its the same bugs or another bug here its the stack trace on the ocasional failures:
[6368472.738379] Call Trace: abe>] ? pick_next_ task_fair+ 0xca/0xd6 e40>] ? thread_ return+ 0x79/0xe0 160>] ? xen_vcpuop_ set_next_ event+0x0/ 0x60 1fd>] ? schedule_ timeout+ 0x2e/0xdd 22f>] ? xen_restore_ fl_direct_ end+0x0/ 0x1 1da>] ? _spin_unlock_ irqrestore+ 0xd/0xe 168>] ? cpupri_ set+0x10c/ 0x135 c16>] ? serial8250_ resume+ 0x0/0x3a 0b4>] ? wait_for_ common+ 0xde/0x15b 42f>] ? default_ wake_function+ 0x0/0x9 b0c>] ? flush_cpu_ workqueue+ 0x5e/0x75 c2e>] ? kthread_ stop+0x5d/ 0xa2 b67>] ? cleanup_ workqueue_ thread+ 0x44/0x51 c0e>] ? destroy_ workqueue+ 0x76/0xad d7f>] ? stop_machine_ destroy+ 0x2e/0x47 d2d>] ? shutdown_ handler+ 0x230/0x25c 776>] ? mutex_lock+0xd/0x31 038>] ? xenwatch_ thread+ 0x117/0x14a e96>] ? autoremove_ wake_function+ 0x0/0x2e f21>] ? xenwatch_ thread+ 0x0/0x14a bc9>] ? kthread+0x79/0x81 baa>] ? child_rip+0xa/0x20 d61>] ? int_ret_ from_sys_ call+0x7/ 0x1b 51d>] ? retint_ restore_ args+0x5/ 0x6 22f>] ? xen_restore_ fl_direct_ end+0x0/ 0x1 ba0>] ? child_rip+0x0/0x20
[6368472.738389] [<ffffffff81041
[6368472.738395] [<ffffffff812fa
[6368472.738401] [<ffffffff8100e
[6368472.738405] [<ffffffff812fb
[6368472.738408] [<ffffffff8100e
[6368472.738412] [<ffffffff812fc
[6368472.738418] [<ffffffff810ad
[6368472.738425] [<ffffffff8121c
[6368472.738428] [<ffffffff812fb
[6368472.738433] [<ffffffff8104a
[6368472.738439] [<ffffffff81061
[6368472.738442] [<ffffffff81064
[6368472.738446] [<ffffffff81061
[6368472.738449] [<ffffffff81061
[6368472.738454] [<ffffffff8108a
[6368472.738458] [<ffffffff811ef
[6368472.738462] [<ffffffff812fb
[6368472.738465] [<ffffffff811f1
[6368472.738469] [<ffffffff81064
[6368472.738472] [<ffffffff811f0
[6368472.738474] [<ffffffff81064
[6368472.738479] [<ffffffff81011
[6368472.738482] [<ffffffff81010
[6368472.738485] [<ffffffff81011
[6368472.738489] [<ffffffff8100e
[6368472.738492] [<ffffffff81011
But after some time it gets back to normal.