Question -- is the lack of support for ATAPI on the Promise Ultra100 a
hardware, or a driver/software, issue?
Take care,
Mikael Pettersson <mikpe@csd.uu.se> writes:
> On 21 May 2001 14:49:55 -0400, Camm Maguire <camm@enhanced.com> wrote:
>
> >Greetings! 2.2.19+ide, applied the patch because this box has a new
> >Promise PDC20267 ide controller. 14GB HP Colorado tape drive. Before
> >we installed the new ide controller and patched the kernel, i.e. with
> >unpatched 2.2.19 running on a different ide controller, this setup
> >works just fine. Now I get the following occasionally, which results
> >in corrupted dumps to tape:
> >
> >May 21 10:27:47 intech9 kernel: hdh: status error: status=0x40 { DriveReady }
> >May 21 10:27:47 intech9 kernel: ide-scsi: Strange, packet command initiated yet DRQ isn't asserted
>
> You added a Promise Ultra100 PCI card, right?
> >From what I hear, it doesn't support ATAPI devices well, only disks.
> So if you moved the HP tape drive to the PDC, move it back to
> the mainboard's IDE controller.
> Also, don't disable the mainboard's controller thinking you can save
> some interrupts that way. Andre Hedrick (Linux IDE guy) once wrote
> that this could cause the PDC to grab IRQ 14, which had some nasty
> side-effects.
>
> (My main box runs with disks on a Promise Ultra100 card and
> ATAPI CD-RW and tape on the mainboard's IDE (440BX) controller.
> Both 2.2+ide and 2.4 work fine.)
>
> /Mikael
>
>
-- Camm Maguire camm@enhanced.com ========================================================================== "The earth is but one country, and mankind its citizens." -- Baha'u'llah - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/