From: Andrew Morton <akpm@osdl.org>
To: linux-scsi@vger.kernel.org
Cc: "bugme-daemon@kernel-bugs.osdl.org"
<bugme-daemon@bugzilla.kernel.org>,
Kai Makisara <Kai.Makisara@kolumbus.fi>,
bgs@bgs.hu
Subject: Re: [Bugme-new] [Bug 7717] New: Tapes unreadable after unload
Date: Wed, 20 Dec 2006 02:50:58 -0800 [thread overview]
Message-ID: <20061220025058.70d3d4ea.akpm@osdl.org> (raw)
In-Reply-To: <200612201031.kBKAVIJS005240@fire-2.osdl.org>
(please respond via emailed reply-to-all)
On Wed, 20 Dec 2006 02:31:18 -0800
bugme-daemon@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=7717
>
> Summary: Tapes unreadable after unload
> Kernel Version: tested 2.6.17 through 2.6.29 with various results
I assume that means 2.6.17 and 2.6.19 failed.
> Status: NEW
> Severity: blocking
> Owner: io_scsi@kernel-bugs.osdl.org
> Submitter: bgs@bgs.hu
>
>
> Most recent kernel where this bug did *NOT* occur: 2.6.19
And that means that 2.6.19 did not fail.
Please clarify.
> Distribution: Slackware/Fedora
> Hardware Environment: HP 530, HP Dl380
> Software Environment: tar, mtx
> Problem Description: Doing a tar backup works well. Data is written and is
> readable. Binary restore comparison is ok. After unload/load the tape produces
> Input/output errors. The tape is unreadable with working kernels too. Any
> attempt to restore data from faulty tapes were in vain until now.
>
> Steps to reproduce:
> tar cvf /dev/st0 /path/to/something
> mtx -f /dev/sg1 unload
> mtx -f /dev/sg1 load X
> tar tvf /dev/st0
>
> tar output:
> tar: /dev/st0: Cannot read: Input/output error
> tar: At beginning of tape, quitting now
> tar: Error is not recoverable: exiting now
>
> All read() attempts fail after 42 bytes. (I can attach those 42 bytes if they
> are of any help).
next parent reply other threads:[~2006-12-20 10:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200612201031.kBKAVIJS005240@fire-2.osdl.org>
2006-12-20 10:50 ` Andrew Morton [this message]
2006-12-20 12:55 ` [Bugme-new] [Bug 7717] New: Tapes unreadable after unload Bgs
2006-12-20 20:41 ` Kai Makisara
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