Date: Tue, 09 Mar 2010 11:14:15 +0200 From: Daniel Braniss <danny@cs.huji.ac.il> To: Giulio Ferro <auryn@zirakzigil.org> Cc: volker@vwsoft.com, freebsd-stable@freebsd.org Subject: Re: Fwd: Re: NFS Client error Message-ID: <E1NovW3-0002JF-Pg@kabab.cs.huji.ac.il> In-Reply-To: <4B960ADE.2070303@zirakzigil.org> References: <4B960ADE.2070303@zirakzigil.org>
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> Thanks for your kind reply, I'm forwarding it there...
>
>
> -------- Original Message --------
> Subject: Re: NFS Client error
> Date: Mon, 08 Mar 2010 23:59:29 +0100
> From: volker@vwsoft.com
> To: Giulio Ferro <auryn@zirakzigil.org>
> CC: freebsd-hackers@freebsd.org, freebsd-net@freebsd.org
>
>
>
> On 03/08/10 12:16, Giulio Ferro wrote:
> > Freebsd 8 stable amd64
> >
> > It mounts different file systems by NFS (with locking) on a
> > data server directly connected (gigabit) to the server
> >
> > Apache running in a several jails on those nfs folders.
> >
> > Now and then I get huge slow-down. When I look in the logs
> > I get thousand of lines like these:
> > Mar 5 11:50:52 virt2 kernel: vm_fault: pager read error, pid 46487 (httpd)
> > Mar 5 11:50:52 virt2 kernel: pid 46487 (httpd), uid 80: exited on
> > signal 11
> >
> >
> > What should I do?
If the binary (httpd) is on a nfs server, then if the binary got
modified this is what usualy happens
my 2c
danny
>
> Giulio,
>
> it seems this is anyhow not related to network (nfs) operations. It's
> looking like a problem in the VM. I think it makes sense to have a look
> at the httpd.core file if the binary has been linked with debugging
> symbols turned on. Also I think at first, it may not hurt to look at
> vmstat -m output.
>
> You may want to change ${subject} and post to stable@ to drive more
> attention to your problem.
>
> Volker
>
>
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