Re: netbsd-6 instability - vmem

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Thu, Jan 31, 2013 at 10:21:16AM -0500, Greg Troxel wrote:
> [...]
> The main symptom is processes watiing on vmem.  While in this state, the
> machine is up, but all processes and networking is hosed.  ps from ddb
> shows many in vmem and tstile.  Hitting return gets a login: prompt but
> then ^T shows vmem.  Looking at pools in ddb, I see failed requests for
> mbufs and clusters, but I think this isa symptom, not the cause.
> 
> [...]
> I do have
>   kern.maxvnodes = 391680
> to help with git and a repository with 269268 files.  I wonder if this
> is what makes me odd.

this could be the problem. You could be running out of kernel virtual memory,
because the vnode cache eats too much VM.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--