On 12 Jan 2012, at 00:02, Matt Connolly wrote: > Hi, my OI machine that I built recently has become unresponsive a number of > times, requiring a hard reset. > > Today this happened when I had an ssh connection open, running "top". This is > the last screen I saw before all my ssh connections died and the machine > stopped responding to all network activity. > > load averages: 28.4, 11.5, 6.70; up 3+00:50:14 > 09:33:34 > 151 processes: 135 sleeping, 13 running, 3 on cpu > CPU states: 0.1% idle, 3.6% user, 96.3% kernel, 0.0% iowait, 0.0% swap > Kernel: 319 ctxsw, 15 trap, 517572 intr, 334874 syscall > Memory: 16G phys mem, 2054M free mem, 8054M total swap, 8054M free swap > > PID USERNAME NLWP PRI NICE SIZE RES STATE TIME CPU COMMAND > 1063 matt 8 59 0 1066M 1054M cpu/5 221:45 43.67% qemu-kvm-system > 4557 matt 7 59 0 2094M 2082M cpu/2 1:09 7.50% qemu-kvm-system > 1062 matt 8 59 0 1077M 1065M run 375:51 0.06% qemu-kvm-system > ---snip--- > > (full page at https://gist.github.com/1597508 ) > > (The system is an Intel S1200-BTL motherboard with Xeon E3 processor and 16GB > ECC ram.) > > > Once unresponsive, every now and then the HD activity led blinks. > > Under normal circumstances, the load average is in the 1-4 range. The machine > is still under fairly light use until I get some more confidence in it. > > After giving the machine a hard reset, I don't see anything in the fault log > or in /var/adm/messages indicating a failure or anything unusual. (kvm is a > bit noisy, but it's like that all the time, so I'm not sure that that could > be cause for lock up after 5 days). > > > Any ideas? > > What could be causing so much cpu usage in the kernel?
<https://www.illumos.org/issues/1333> may be worth a look if you can see ACPI (?) related messages in messages. The workaround in there (set apix:apic_timer_preferred_mode = 0x0) worked for my box. Chris _______________________________________________ OpenIndiana-discuss mailing list OpenIndiana-discuss@openindiana.org http://openindiana.org/mailman/listinfo/openindiana-discuss
