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From: Andrew Morton <akpm@zip.com.au>
To: Alex Kerkhove <alex.kerkhove@staff.zeelandnet.nl>
Cc: linux-kernel@vger.kernel.org
Subject: Re: x86 SMP and RPC/NFS problems
Date: Wed, 08 Aug 2001 14:30:57 -0700	[thread overview]
Message-ID: <3B71AF91.5577667E@zip.com.au> (raw)
In-Reply-To: <1C48875BDE7ED0469485A5FD49925C4AF01265@zmx.staff.zeelandnet.nl>

Alex Kerkhove wrote:
> 
> Hi,
> 
> We're running a quite busy mailserver (50.000 mailboxes, 170000+ msgs a
> day) with maildir 'mailboxes' on an NFS volume. The server was running
> redhat 7.1 with i686 2.4.3-12smp kernel.
> 
> Ever since the machine came into full production we've had big problems
> on our dell 2540 dual p3-733, 1Gb RAM machine. At least twice a day we
> would see nfs server timeouts, followed by "can't get request slot"
> messages completeley hanging the machine and only a reboot could get the
> system going again. We've tried every cure known to man to fix this
> problem (changing nics, mount params, interal buffers, etc) no luck.

There were some SMP bugs in the NFS client code a while back but I
don't recall any on the server side.

Is it reproducible with 2.4.7?

What NICs have you tried?  If they were ne2k and/or 3com then
you've been bitten by the APIC bug.

-

  reply	other threads:[~2001-08-08 21:25 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-08 21:09 x86 SMP and RPC/NFS problems Alex Kerkhove
2001-08-08 21:30 ` Andrew Morton [this message]
2001-08-09 12:00 ` Trond Myklebust

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