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Date: Sat, 24 Jan 2009 10:17:17 +0000
From: Kris Kennaway <kris@FreeBSD.org>
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Cc: freebsd-questions@freebsd.org
Subject: Re: swap_pager complaints but not using swap
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Dieter wrote:
> AMD64  FreeBSD 7.0  2 GiB main memory
> 
> My console says:
> 
> login: swap_pager: indefinite wait buffer: bufobj: 0, blkno: 22, size: 4096
> swap_pager: indefinite wait buffer: bufobj: 0, blkno: 22, size: 4096
> swap_pager: indefinite wait buffer: bufobj: 0, blkno: 22, size: 4096
> swap_pager: indefinite wait buffer: bufobj: 0, blkno: 22, size: 4096
> 
> pstat -sk
> Device          1K-blocks     Used    Avail Capacity
> /dev/ad6s10       4590208       96  4590112     0%
> 
> Wow, using a whole 96K of swap.  I don't see any disk related
> complaints in dmesg.
> 
> Is this something to worry about?

Yes, the system was *trying* to do swap I/O and timing out while doing so.

Kris