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 Subject: Re: NFS Client error Message-ID: <4B958151.8060707@vwsoft.com> In-Reply-To: <4B94DC74.7070001@zirakzigil.org> References: <4B94DC74.7070001@zirakzigil.org>
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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?
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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