em0: Watchdog timeout -- resetting

[Eugene Grosbein]

On 01.02.2011 13:58, Lev Serebryakov wrote:
> Hello, Freebsd-stable.
> You wrote 1 февраля 2011 г., 10:24:16:
> 
>>   And all connections are reset. Before latest commits to driver
>> this system paniced in swi_clock. Now it works without panics, but
>> seems, that problem is not fixed completely.
>   I forgot to give one last pice of information: POLLING is in action.
> Without it single thread copy from this server via SMB eats one core
> of CPU completely.
> 

You could give a try to netisr parallelism of RELENG_8 instead of POLLING
(and tune interrupt throttling) if your box does not have lots of dynamic
interfaces like when using mpd.

In /etc/sysctl.conf:

net.isr.direct=0
net.isr.direct_force=0

Eugene Grosbein.