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Date: Mon, 4 Jan 2010 11:45:12 +1030 (CST) From: Jonathan Woithe <jwoithe@...sics.adelaide.edu.au> To: tj@...nel.org (Tejun Heo) Cc: petkovbb@...il.com, bzolnier@...il.com (Bartlomiej Zolnierkiewicz), jwoithe@...sics.adelaide.edu.au (Jonathan Woithe), linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org, tj@...nel.org (Tejun Heo) Subject: Re: 2.9.29.2: ide-tape: panic when probing device at boot 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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