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Date:      Thu, 12 Sep 2002 22:24:09 -0700 (PDT)
From:      Don Lewis <dl-freebsd@catspoiler.org>
To:        mb@imp.ch
Cc:        current@FreeBSD.ORG, sos@FreeBSD.ORG, kan@FreeBSD.ORG
Subject:   Re: panic: buffer not busy ??? (pagefault)
Message-ID:  <200209130524.g8D5O9wr002308@gw.catspoiler.org>
In-Reply-To: <20020913011722.X3162-100000@levais.imp.ch>

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On 13 Sep, Martin Blapp wrote:
> 
> I've got some news here ...
> 
> I have three different type of disks
> 
> 1) - ATA100 Raid, 2 Disks a 80GB (striped)
> 2) - Vinum ATA Raid, 2 Disks a 16GB (striped)
> 3) - SCSI Disk
> 
> I encounter pagefaults and all these nice panics on 1) and 2).
> 
> I don't see them if I build OpenOffice on the SCSI disk ! Does
> somewhere a alarm bell ring ? Or may it only be the limited speed
> comaring the SCSI disk to the ATA Raids ?

Very interesting ...

I'm running my openoffice builds on a 10K RPM Seagate Cheetah connected
via an Adaptec Ultra 160 SCSI controller and I'm not seeing this
problem, so I don't think it is related to the disk speeds.


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