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Date:      Fri, 27 Jul 2007 16:49:52 -0400
From:      Kris Kennaway <kris@obsecurity.org>
To:        Zhang hw <zhhw210095@gmail.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: panic : swap_pager
Message-ID:  <20070727204952.GF48670@rot26.obsecurity.org>
In-Reply-To: <e15322c90707242255p49490a2fm2ea2b7689c400993@mail.gmail.com>
References:  <e15322c90707242255p49490a2fm2ea2b7689c400993@mail.gmail.com>

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On Wed, Jul 25, 2007 at 01:55:45PM +0800, Zhang hw wrote:
> Sometimes when I shutdown my system, it would tell me :
> "...
> All buffers synced
> Swap_pager: I/O error - pagein failed, blkno 744, size 4096, error 5
> panic: swap_pager_force_pagein: read from swap failed
> Uptime:...

#define EIO             5               /* Input/output error */

The device on which your swap partition lives returned an I/O error
when data was read from it.  Probably your hard drive is failing.

Kris



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