[OpenIndiana-discuss] Slowly increasing kernel load with oi_151a

[Mirko Kaffka]

On 12/23/11 09:47 AM, Kasper Brink wrote:
> >  I recently got a new machine and installed oi_151a from scratch
> >  (core i7-2600, intel motherboard DH67BL, 16GB RAM).
> >  After a few days uptime I noticed a constant system load of about 10%
> >  although the desktop was idle and I had not started anything that caused
> >  a permanent load. There was almost no I/O activity, just a few reads
> >  and writes every few seconds. vmstat showed 0-1% user time but
> >  10-13% system time. prstat -v output was far below 1% or 0% user and
> >  system time for all processes.
> >  Over the following days the load increased further. When I took 7 cpu
> >  cores off-line I got about 80% sys load on the remaining core. Where
> >  does it come from?
> I'm not an Illumos expert, but the symptoms you describe sound a lot like
> those ofhttps://www.illumos.org/issues/1333  (high sys load, dtrace hang).
> Does the workaround in comment #21
> (https://www.illumos.org/issues/1333#note-21) solve the problem for you?

Thanks a lot for pointing me at this!
I changed the apic timer mode and will see if it helps.

Thanks to everyone who replied!
Regards,
Mirko