Hi
> Borislav Petkov wrote:
> > Hi,
> >
> > On Sat, May 09, 2009 at 05:57:49PM +0200, Bartlomiej Zolnierkiewicz wrote:
> >> [ cc:ing linux-ide and knowledgeable people ]
> >>
> >> Borislav/Tejun:
> >>
> >> Is the 2.6.29 problem the same thing that was fixed recently?
> >
> > I'll let Tejun answer that one since I don't get an oops. However, now
> > that I have an ide-tape hardware here, I do get something DMA-related
> > failing during boot:
> >
> > [ 1.677012] hdb: Seagate STT8000A, ATAPI TAPE drive
> >
> > ..
> >
> > [ 1.701097] hdb: host max PIO4 wanted PIO255(auto-tune) selected PIO4
> > [ 1.708289] hdb: bad DMA info in identify block
> > [ 1.712872] hdb: host max PIO4 wanted PIO255(auto-tune) selected PIO4
> >
> > ..
> >
> > [ 3.450381] Uniform CD-ROM driver Revision: 3.20
> > [ 5.467347] ide-tape: hdb <-> ht0: Seagate STT8000A rev 5.44
> > [ 5.484852] ide-tape: hdb <-> ht0: 88KBps, 14*26kB buffer, 400ms tDS
> >
> > and more specifically the bad DMA info in identify block thing above. I
> > haven't looked into it yet but its next on my TODO.
>
> Yeah, I've been seeing that too (before and after my changes).
> Haven't investigated it yet. Good that it's on your todo list. :-)
>
> >> Should I just push commit 1e75540ec5202cae63cd238c86bd880e3d496546
> >> ("ide-tape: remove back-to-back REQUEST_SENSE detection") to Linus
> >> or there is more needed to bring ide-tape to the world of living?
> >
> > ... and I'm afraid we'll have to do some serious bugfixing since this
> > driver is behaving really funny :). Stay tuned, I'm on it.
>
> Cool.
Has there been any movement on this in recent months? I gave 2.6.30 a whirl
on the machine when that was released but it still gave major problems with
the ide-tape driver. Is 2.6.32 likely to be improved? If so I'll make
arrangements to test that version.
Presently I'm stuck with 2.6.24.x on this system since ide-tape holds
together enough on this version to work. I really want to upgrade to a more
recent kernel but obviously I can't until ide-tape is functional again.
Regards
jonathan
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