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Date: Sun, 7 May 2006 15:19:35 -0400
From: Kris Kennaway <kris@obsecurity.org>
To: "Robert H. Perry" <rperry@gti.net>
Message-ID: <20060507191935.GB1976@xor.obsecurity.org>
References: <20060507190603.A5E2B35C10@apollo.gti.net>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Panic: vrele: negative ref cnt
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On Sun, May 07, 2006 at 03:16:46PM -0400, Robert H. Perry wrote:
> I received a panic message (see Subject) yesterday following a GNOME
> upgrade.  The upgrade was successful but I encountered subsequent problems
> trying to access Firefox websites and my mail site in Thunderbird.  I
> noticed a Plugin error message in Firefox and prepared to paste it into a
> message to the mailing list but was unable to get a connection and
> eventually lost it.
>=20
> I reset my modem several times then decided to reboot.  First, I re-enabl=
ed
> my firewall then entered shutdown -r now.  Next I received the panic mess=
age
> and a repeat of the following:
>=20
> READ_DMA ad0:Timeout - Read_DMA retrying (2 retries left) LBA =3D 28162271
> READ_DMA ad0: FAILURE -READ_DMA status=3D51 <READY, DSC, ERROR> error =3D=
 40
> <Uncorrectable>  LBA =3D28162271

Your hard drive is dying.  This may have caused the panic as a
secondary effect after the read failed.

Kris

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