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Date:      Tue, 8 Jun 2004 10:59:21 -0400
From:      Brian Feldman <green@freebsd.org>
To:        Alan Evans <evans.alan@sbcglobal.net>
Cc:        hackers@freebsd.org
Subject:   Re: machine is unusable with panic: vrele: negative ref cnt
Message-ID:  <20040608145921.GD23083@green.homeunix.org>
In-Reply-To: <20040606010831.85923.qmail@web80106.mail.yahoo.com>
References:  <20040606010831.85923.qmail@web80106.mail.yahoo.com>

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On Sat, Jun 05, 2004 at 06:08:31PM -0700, Alan Evans wrote:
> On boot I see the following on an IBM T30 laptop:
> 
> Mounting root from ufs:/dev/ad0s1a
> WARNING: / was not properly dismounted
> ad0: FAILURE - READ_MUL status=59<READY,DSC,DRQ,ERROR>
> error=40<UNCORRECTABLE> LBA=376639

I would stick that drive in another machine and try to get SMART
status information from it.  There is a port for smartmontools
that can be very informative about the health of the drive.

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green@FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\



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