[OpenIndiana-discuss] Slowly increasing kernel load with oi_151a

[Kasper Brink]

> Am 23.12.2011 um 01:08 schrieb Mirko Kaffka <mk at mkaffka.de>:
>
>> 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 of https://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?

Regards,

Kasper