Swap problem on FreeBSD 5.2.1-RC
David Schultz
das at FreeBSD.ORG
Tue Feb 8 14:37:30 PST 2005
On Tue, Feb 08, 2005, Marco Pizzi wrote:
> Hello,
>
> We've installed (a long time ago) the FreeBSD version 5.2.1-RC on a server.
> We've noticed, at least two times, very bad problems on the swap system; in
> the
> detail, we've found the well known error in the messages file:
>
> swap_pager: indefinite wait buffer: device: da0s1a
>
> The fact strange is that the da0s1a device is not a swap partition!
>
> -------------------------------------------------------------------------------------------------------
> # Device Mountpoint FStype Options Dump
> Pass#
> /dev/da0s1b none swap sw 0 0
> /dev/da0s1a / ufs rw 1 1
As Kris mentioned, this warning means that an I/O took too long,
and it usually means you have a failing disk. As for the fact
that it reported the wrong partition on the disk, Poul-Henning
``fixed'' the problem in -CURRENT by making the warning less
useful. (It no longer tells you which disk is failing at all.)
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