------- Comment From ckuma...@in.ibm.com 2016-10-06 01:24 EDT------- Externalizing comment 61 and 62 ----- The Same test is causing problem in ubuntu kernel version 4.8.0-17-generic. Got below call traces: [48755.933755] 112-...: (2 ticks this GP) idle=b95/140000000000000/0 softirq=11738/11738 fqs=2829432 [48755.933979] 118-...: (5 ticks this GP) idle=011/140000000000000/0 softirq=6041/6041 fqs=2829432 [48755.934264] (detected by 29, t=11947979 jiffies, g=5047, c=5046, q=1984242) [48692.907932] Call Trace: [48692.907934] [c0000017e8a83980] [c0000000000d57f8] irq_exit+0x98/0x100 (unreliable) [48692.907936] [c0000017e8a839a0] [c000000000024810] timer_interrupt+0xa0/0xe0 [48692.907938] [c0000017e8a839d0] [c000000000002814] decrementer_common+0x114/0x180 [48692.907942] --- interrupt: 901 at _cond_resched+0x0/0xa0 LR = stutter_wait+0x8c/0x130 [torture] [48692.907945] [c0000017e8a83cc0] [d0000000158e0348] torture_rwlock_write_lock_irq+0x30/0x60 [locktorture] (unreliable) [48692.907948] [c0000017e8a83cf0] [d0000000158e0a88] lock_torture_writer+0xc0/0x270 [locktorture] [48692.907950] [c0000017e8a83d80] [c0000000000fd120] kthread+0x110/0x130 [48692.907954] [c0000017e8a83e30] [c0000000000098f0] ret_from_kernel_thread+0x5c/0x6c
This call traces keeps displaying from the time we execute the script and system is in hanged state. --- Issue is seen in ubuntu 16.10 as well. --- Canonical, May we have some attention on this issue. Thanks, Chandan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1483343 Title: NMI watchdog: BUG: soft lockup errors when we execute lock_torture_wr tests To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1483343/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
