Date: Wed, 23 Nov 2005 22:01:56 +0100 From: Christian Brueffer <chris@unixpages.org> To: Doug White <dwhite@gumbysoft.com> Cc: Ulf Kieber <kieber@xoo.net>, freebsd-current@freebsd.org Subject: Re: GEOM error Message-ID: <20051123210156.GC1856@unixpages.org> In-Reply-To: <20051122141101.G24336@carver.gumbysoft.com> References: <200511150403.jAF43B6f001417@jerry.xoo.net> <20051119162011.I88861@carver.gumbysoft.com> <20051120011438.GA4194@unixpages.org> <20051122141101.G24336@carver.gumbysoft.com>
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On Tue, Nov 22, 2005 at 02:11:23PM -0800, Doug White wrote:
> On Sun, 20 Nov 2005, Christian Brueffer wrote:
>=20
> > On Sat, Nov 19, 2005 at 04:22:11PM -0800, Doug White wrote:
> > > On Tue, 15 Nov 2005, Ulf Kieber wrote:
> > >
> > > > Re,
> > > >
> > > > on a 6.0-RELEASE I receive the following error since I tried restor=
ing
> > > > a large dump
> > > >
> > > > Nov 14 12:30:11 nexus kernel: g_vfs_done():da1s1d.bde[WRITE(offset=
=3D72350695424, length=3D131072)]error =3D 1
> > > >
> > > > Besides that, no other errors are logged, especially no SCSI errors.
> > > > The problem persists even after the restore has completed.
> > >
> > > errno 1 is EPERM ("Operation not permitted") and is generally returne=
d if
> > > you attempt to write somewhere you're not allowed to. Considering the
> > > offset is near the end of the disk, GBDE may be trying to prevent you=
from
> > > overwriting metadata blocks at the end of the partition. How or why
> > > restore(8) would be writing there I'm not sure.
> > >
> > > A SCSI error would return as errno 5 (EIO, "Input/output error").
> > >
> >
> > I get the same messages with my external USB drive from time to time
> > (interestingly also GBDE encrypted).
> >
> > Nov 20 02:03:30 haakonia kernel: g_vfs_done():da3s2c.bde[WRITE(offset=
=3D383341297664, length=3D65536)]error =3D 1
> >
> > The message repeats every 30 seconds and trying to unmount the file
> > system fails. When I try to shut the system down, the message appears
> > n > 50 times followed by a panic.
> >
> > Is it possible that the system tries to write on a bad sector and
> > consequently fails (provided that the on-disk sector remapping also
> > fails)?
>=20
> You would get a SCSI error in that case since usb storage is attached
> through CAM.
>=20
Ok. Any suggestion on where to go from here? I can trigger this pretty
reliably on the drive. Just have to copy enough data around.
- Christian
--=20
Christian Brueffer chris@unixpages.org brueffer@FreeBSD.org
GPG Key: http://people.freebsd.org/~brueffer/brueffer.key.asc
GPG Fingerprint: A5C8 2099 19FF AACA F41B B29B 6C76 178C A0ED 982D
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