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Subject: RE: usb-storage not recognizing archos 20g fm recorder in linux
From: VanBaren, Gerald (AGRE) (Gerald.VanBaren_at_smiths-aerospace.com)
Date: 2003-10-24


I have not done a full research on the problem, but a quick search shows the following RH bug report that looks like the problem in question:
  http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=55876

I don't know if it was a kernel generic problem or a RH specific problem (I was under the impression that it was a generic problem, fixed in a more recent kernel, but the above tends to support the claim that it is RH-specific). I recently upgraded my RH8 to RH9, I'll have to check if it still exhibits the problem (my previous claim that it was still a problem in RH9 could be bogus).

gvb

> -----Original Message-----
> From: Björn Stenberg [mailto:bjorn_at_haxx.se]
> Sent: Friday, October 24, 2003 8:03 AM
> To: rockbox_at_cool.haxx.se
> Subject: Re: usb-storage not recognizing archos 20g fm
> recorder in linux
>
>
> VanBaren, Gerald (AGRE) wrote:
> > You need to remove (rmmod) ide-scsi before the Archos will
> be recognized (at
> > least with RH8, RH9). The problem is that both the USB
> driver and the
> > ide-scsi drive implement a pseudo SCSI interface which then
> control the
> > Archos or CDROM, respectively. The problem is, the
> SCSI/ide-scsi/usb
> > subsystem doesn't have a way of distinguishing whether a
> SCSI disk command
> > should go to the IDE driver or the USB driver, and the IDE
> driver always
> > seems to win. Therefore, the USB driver never sees the
> commands that should
> > be going to it.
>
> If this is a problem it's RedHat-specific, not a kernel bug.
> I always run both ide-scsi and usb-storage simultaneously
> without problems. I've done this since at least linux 2.4.6.
>
> I only run pure kernels from www.kernel.org, never
> distributor-modified versions. You might want to try and see
> if that helps you. Surprisingly many linux problems are due
> to distributor kernel modifications.
>
> --
> Björn
>

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