On Mon 30-03-15 08:14:45, Justin Keller wrote: > Hello, > Although not running a vanilla kernel on this machine, I have reported > the issue to the distribution's bug tracking system. It has been > almost a week with no response, so I am sending this email. > > Multiple times, when I return to my computer from being away for a > little while, I noticed: > Message from syslogd@redacted at Mar 23 XX:XX:XX ... > kernel:[1059322.470817] NMI watchdog: BUG: soft lockup - CPU#1 stuck > for 22s! [kswapd0:31]
traces dumped as a part of the watchdog output is the most interesting information. And the kernel version is very important as well. > Dmesg | grep NMI produced: > [1151200.727734] sending NMI to all CPUs: > [1151200.727812] NMI backtrace for cpu 0 > [1151200.764129] INFO: NMI handler > (arch_trigger_all_cpu_backtrace_handler) took too long to run: 36.262 > msecs > [1151200.764198] NMI backtrace for cpu 1 > [1151216.700893] sending NMI to all CPUs: > [1151216.700984] NMI backtrace for cpu 1 > [1151216.706524] NMI backtrace for cpu 0 > [1723994.455161] <NMI> [<ffffffff81554a5e>] ? dump_stack+0x41/0x51 > > I didn't have time to grep for kswapd or to investigate further. Long > story short, the machine was shutdown shortly afterwords. > > Justin > > PS this was also sent to linux-watchdog. I forgot to turn of HTML, so > I had to re-send it here > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
