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List:       linux-ide
Subject:    Re: ATAPI tape drives broken with libata
From:       Alan Cox <alan () lxorguk ! ukuu ! org ! uk>
Date:       2007-08-31 14:19:03
Message-ID: 20070831151903.37a60ba9 () the-village ! bc ! nu
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On Thu, 30 Aug 2007 12:11:39 -0400
Chuck Ebbert <cebbert@redhat.com> wrote:

> On 08/29/2007 07:50 PM, Alan Cox wrote:
> > 
> > Device Ready, Seek Complete, Data Request, Error
> > 
> > DRQ and Error together is a bit odd to say the least
> > 
> > It then commits suicide and falls off the bus. That may be due to the
> > fact we use SRST on ATAPI device errors still rather than trying an ATAPI
> > reset first. Shouldn't matter though.
> > 
> > Since you are the lucky owner of the object in question can you dump the
> > contents of the packet command going to the device when this occurs ?
> > 
> 
> I don't have it, it's a Fedora user. Maybe I should ask Mark Lord if he'll
> send me the one he has.
> 
> IAC how do I dump the packet? Use ata_scsi_dump_cdb()?

Yep - if the command issued is a packet command the cdb is 12-16 bytes of
SCSI command block.

Alan
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