Time to increase MAX_TASKS?

John Baldwin jhb at freebsd.org
Mon Aug 13 17:47:16 UTC 2012


On Wednesday, August 08, 2012 12:59:23 pm Sean Bruno wrote:
> On Wed, 2012-08-08 at 04:25 -0700, John Baldwin wrote:
> > I meant that with the limit jacked up to something that silences the
> > warning
> > (such as 128), what is the max number of tasks queued?
> > 
> > 
> 
> I set debug.acpi.max_tasks=128 and added a temp log message to
> acpi_task_enqueue().  I see the system request *98* tasks according to
> my test on this new Dell box.  Is it possible that the queue really
> isn't running yet or something?

Yes, it isn't running during the first pass of probe and attach.

It would be good to know what the source of tasks besides acpi_cpuX devices 
was.

-- 
John Baldwin


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