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Date:      Thu, 18 Feb 1999 16:35:12 -0700 (MST)
From:      "Kenneth D. Merry" <ken@plutotech.com>
To:        des@flood.ping.uio.no (Dag-Erling Smorgrav)
Cc:        scsi@FreeBSD.ORG
Subject:   Re: indefinite wait buffer
Message-ID:  <199902182335.QAA04655@panzer.plutotech.com>
In-Reply-To: <xzpzp6bjos6.fsf@flood.ping.uio.no> from Dag-Erling Smorgrav at "Feb 19, 1999  0: 5:45 am"

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Dag-Erling Smorgrav wrote...
> 'dd if=/dev/zero of=/dev/da0 bs=65536' (to force the drive to remap
> bad sectors) caused the following error messages:
> 
> Feb 19 00:00:20 flood /kernel: swap_pager: indefinite wait buffer: device: 0x401, blkno: 1064, size: 20480
> Feb 19 00:01:00 flood last message repeated 2 times
> Feb 19 00:03:00 flood last message repeated 6 times
> Feb 19 00:03:05 flood /kernel: swap_pager: indefinite wait buffer: device: 0x401, blkno: 256, size: 4096
> Feb 19 00:03:20 flood /kernel: swap_pager: indefinite wait buffer: device: 0x401, blkno: 1064, size: 20480
> Feb 19 00:03:25 flood /kernel: swap_pager: indefinite wait buffer: device: 0x401, blkno: 256, size: 4096
> Feb 19 00:03:40 flood /kernel: swap_pager: indefinite wait buffer: device: 0x401, blkno: 1064, size: 20480
> Feb 19 00:03:45 flood /kernel: swap_pager: indefinite wait buffer: device: 0x401, blkno: 256, size: 4096
> Feb 19 00:04:00 flood /kernel: swap_pager: indefinite wait buffer: device: 0x401, blkno: 1064, size: 20480
> 
> They keep coming every 5-15 seconds.
> 
> The box is running FreeBSD 3.1-STABLE (post-RELEASE)

That generally happens when the disk stops responding for some reason.

What disk is your swap on?  I assume you aren't doing the dd to a disk that
you're actually using...

Did you see any SCSI-type errors around the time of the indefinite wait
buffer error message?

Ken
-- 
Kenneth Merry
ken@plutotech.com


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