Re: NetBSD 5 partly freezing, may be related to 802.1Q

[Fredrik Pettai <pettai%nordu.net@localhost>]

Hi,

On Jun 8, 2012, at 09:02 , iMil wrote:
>> watch the number of mbuf clusters (with vmstat -m this is mclpl) and check
>> that you're not reaching the limit.
> 
> Well it happened again. I previously increased NMBCLUSTERS value but
> anyway it seems not related. Here are the values for vmstat -m|grep mclpl
> 
> mclpl       2048      685    0        0   347     0   347   347     4 2048    
> 4
> 
> As always, the machine becomes unresponsive, still able to handle
> established connections but no more. I had a serial console attached to
> it and was able to run a couple of commands, dmesg|tail showed nothing,
> neither syslog. Not a single information about what's happening when the
> freeze occurs.

Actually, we see a similar problem with a Dell R610 server, without using 802.1Q
But we've configured and use 3 of 4 interface's on the internal broadcom 
quad-card.

I also upgraded the server to NetBSD 6.0_BETA2, but the problem still comes 
back...

Re,
/P