Re: vnlur_proc lockups under high disk I/O

[Gary Allan <dragonfly@xxxxxxxxxxxxxxx>]

Matthew Dillon wrote:
> :I have a semi-production machine running stable from a few months ago. 
> :The vnode related sysctl values on this machine are;
> :
> :kern.maxvnodes = 36053
> :kern.minvnodes = 9008
> :
> :However on the machine I'm having problems with they are; (current stable)
> :
> :kern.maxvnodes = 16754
> :kern.minvnodes = 4188
> :
> :I've added the previous settings to /etc/sysctl.conf and the problems 
> :have not reoccurred. I can now run "cd /usr/pkgsrc && cvs -q update -dP" 
> :without problems, previously this would result in a lockup without failure.
> :
> :I only have standard mounts and am only working within /usr.
> :
> :df
> :Filesystem  1K-blocks   Used    Avail Capacity  Mounted on
> :/dev/ad2s1a    254063  47193   186545    20%    /
> :/dev/ad2s1d    254063    307   233431     0%    /var
> :/dev/ad2s1e    254063      8   233730     0%    /tmp
> :/dev/ad2s1f  36606155 346959 33330704     1%    /usr
> :procfs              4      4        0   100%    /proc
> :
> :Do you still want a kernel core?
> :
> :Regards
> :
> :Gary
>
>     Yes.  With the larger vnode values... whatever reproduces the lockup
>     the best.  Clearly there is something going on here that needs to be
>     addressed.
>
> 					-Matt
> 					Matthew Dillon 
> 					<dillon@xxxxxxxxxxxxx>

You can download the core dumps from http://g.w2net.net/dfly

Regards

Gary