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Old 11-22-2008, 12:20 PM
Moritz Muehlenhoff
 
Default Bug#421443: linux-image-2.6.18-4-686: ide tape broken and ide scsi disabled, ide tapes unuseable

On Sun, Apr 29, 2007 at 08:37:17AM +0100, Anton Ivanov wrote:
> Package: linux-image-2.6.18-4-686
> Version: 2.6.18.dfsg.1-12
> Severity: important
>
>
> Kernel detects ide tape
>
> ide-tape: hdb <-> ht0: Seagate STT20000A rev 8A51
> ide-tape: hdb <-> ht0: 1000KBps, 6*54kB buffer, 9720kB pipeline, 108ms tDSC, DMA
>
> After which all userland utilities fail to access it or issue any
> commands to it.
>
> The drive mostly works using ide-tape in 2.6.14 and 2.6.16 on write (some
> read problems). Works fine in 2.6.16 using ide-scsi read/write.
>
> Frankly, anyone who has had to use ide-tapes knows that Linus can go get
> lost with his statement about the IDE tape driver now being a perfect
> replacement for ide-scsi (multiple times on lkm since 2003). It isn't.
> In fact I have yet to see a kernel release where it works fine.
>
> So disabling IDE-SCSI is not nice. That is the only means to use ide
> tape drives at the moment.

Does this error still occur with more recent kernel versions?

If you're running Etch, could you try to reproduce this bug
with the 2.6.24 based kernel added in 4.0r4?
http://packages.qa.debian.org/l/linux-2.6.24.html

Cheers,
Moritz



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Old 11-22-2008, 01:10 PM
Anton Ivanov
 
Default Bug#421443: linux-image-2.6.18-4-686: ide tape broken and ide scsi disabled, ide tapes unuseable

I had no other choice but to switch to DVDs (and later REV) for the
backup so I no longer have a test setup.

Sorry, I am not in a position to help you with this one.

Best Regards,

On Sat, 2008-11-22 at 14:20 +0100, Moritz Muehlenhoff wrote:
> On Sun, Apr 29, 2007 at 08:37:17AM +0100, Anton Ivanov wrote:
> > Package: linux-image-2.6.18-4-686
> > Version: 2.6.18.dfsg.1-12
> > Severity: important
> >
> >
> > Kernel detects ide tape
> >
> > ide-tape: hdb <-> ht0: Seagate STT20000A rev 8A51
> > ide-tape: hdb <-> ht0: 1000KBps, 6*54kB buffer, 9720kB pipeline, 108ms tDSC, DMA
> >
> > After which all userland utilities fail to access it or issue any
> > commands to it.
> >
> > The drive mostly works using ide-tape in 2.6.14 and 2.6.16 on write (some
> > read problems). Works fine in 2.6.16 using ide-scsi read/write.
> >
> > Frankly, anyone who has had to use ide-tapes knows that Linus can go get
> > lost with his statement about the IDE tape driver now being a perfect
> > replacement for ide-scsi (multiple times on lkm since 2003). It isn't.
> > In fact I have yet to see a kernel release where it works fine.
> >
> > So disabling IDE-SCSI is not nice. That is the only means to use ide
> > tape drives at the moment.
>
> Does this error still occur with more recent kernel versions?
>
> If you're running Etch, could you try to reproduce this bug
> with the 2.6.24 based kernel added in 4.0r4?
> http://packages.qa.debian.org/l/linux-2.6.24.html
>
> Cheers,
> Moritz
>
--
Understanding is a three-edged sword:
your side, their side, and the truth. --Kosh Naranek

A. R. Ivanov
E-mail: aivanov@sigsegv.cx
WWW: http://www.sigsegv.cx/
pub 1024D/DDE5E715 2002-03-03 Anton R. Ivanov <ai1-n@sigsegv.cx>
Fingerprint: C824 CBD7 EE4B D7F8 5331 89D5 FCDA 572E DDE5 E715




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