Messages in this thread | | | Date | Wed, 9 Aug 2000 13:18:28 -0700 (PDT) | From | Andre Hedrick <> | Subject | Re: IDE Tape problem in 2.2.16 (bug?) |
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It is for removable/ejectable media that TR-4 is not generally done. Basically it is a noise maker if you have to push/pop the media in to place. Note that ATAPI is not my strong suit, but that is what I read.
Have to go dig in the SFF stuff and Gadi's notes.
On Wed, 9 Aug 2000, Roger Gammans wrote:
> On Tue, Aug 08, 2000 at 02:58:56PM -0400, pb@dev.localweb.com wrote: > > > > I'm using a Seagate IDE tape drive (I understand it's basically a Travan > > tape drive) on kernel 2.2.16, and when I read from it, it doesn't read the > > last 18k from my backups; everything else seems to work. > > Here's the information the kernel prints for this: > > > > Aug 8 10:06:52 www6 kernel: ide-tape: hdb <-> ht0: Seagate STT8000A rev 5.51 > > Aug 8 10:06:52 www6 kernel: ide-tape: hdb <-> ht0: 600KBps, 14*26kB buffer, 5850kB pipeline, 80ms tDSC, DMA > > > > During testing, I also get some other messages, too. I understand > > they have to do with drive locking? > > > > Aug 8 14:41:04 www6 kernel: ide-tape: ht0: I/O error, pc = 1e, key = 5, asc = 20, ascq = 0 > > Aug 8 14:41:36 www6 last message repeated 5 times > > Aug 8 14:41:49 www6 last message repeated 4 times > > I've seen this sort of thing a lot. > > I now use the ide-scsi layer for tape drives as the scsi tape driver > seems much more reliable. > > I think my problem is to do with time out issues, in that the ide driver > doesn't givev much pause for error code, key/asc/ascq= 2/4/1. > > The drive is reporting unknown command (0x1e). This isn't > documented in my copy of qic157d. > > Additionally that commend is list in the 2.2.17pre3 ide command > #defines. Hmm. > > Faulty memory? etc. . Check your ide-tape.c file for > a line which says '#define IDE_TAPE_*_CMD 0x1e' > > Unless there's an ioctl which meant this has been issues from userspace. > > In which case it a BRU issue. > > -- > Roger > Think of the mess on the carpet. Sensible people do all their > demon-summoning in the garage, which you can just hose down afterwards. > -- damerell@chiark.greenend.org.uk > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.rutgers.edu > Please read the FAQ at http://www.tux.org/lkml/ >
Andre Hedrick The Linux ATA/IDE guy
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