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From: "Tamouh H." <hakmi@rogers.com>
To: "'Robert McIntosh'" <mcintoshrt@gmail.com>, <freebsd-questions@freebsd.org>
Date: Tue, 4 Jul 2006 00:47:39 -0400
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Subject: RE: HD Errors
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>=20
> Hi,
>=20
> I'm seeing the following messages in /var/log/messages and am=20
> concerned about the integrity of the hard drive:
>=20
> > ad0: WRITE command timeout tag=3D0 serv=3D0 - resetting
> > cd9660: RockRidge Extension
> > ad0: READ command timeout tag=3D0 serv=3D0 - resetting
> > ad0: READ command timeout tag=3D0 serv=3D0 - resetting
> > ad0: READ command timeout tag=3D0 serv=3D0 - resetting
> > cd9660: RockRidge Extension
> > ad0: READ command timeout tag=3D0 serv=3D0 - resetting
> > cd9660: RockRidge Extension
> > ad0: WRITE command timeout tag=3D0 serv=3D0 - resetting
> > ad0: READ command timeout tag=3D0 serv=3D0 - resetting
> > ata0: resetting devices .. done
> > ad0: READ command timeout tag=3D0 serv=3D0 - resetting
> > ata0: resetting devices .. done
> > swap_pager: indefinite wait buffer: device: #ad/0x20001,=20
> blkno: 5488,=20
> > size: 4096
> > ad0: WRITE command timeout tag=3D0 serv=3D0 - resetting
>=20
> Are the ad0 messages showing the hard drive is having=20
> hardware problems?
>=20
> Many thanks,
> Robert

Very likely, backup your important date, grab a HD manufacturer disk and =
test out the drive then post results here with the hard drive =
manufacture name/model.

Tamouh