Re: Usage question

Dan Dennedy <dan@dennedy.org> wrote:

> Please, others, try it as well. I'm going to....

Okay, some more detail. For openers, thank you thank you; this patch
fills in a huge gap in the usability of linux 1394 in my case.

The testing I've done is with the Pioneer DVD-RW in the external case
that I reference above, as well as a generation 1 iPod. It should be
noted that I have 1 port on my laptop, and the enclosure for the Pioneer
has an internal hub and exposes 2 ports.

o) Either device works, reliably, as long as only one is plugged in at a
time. The DVD gets /dev/scd0, and works repeatedly. The iPod gets
/dev/sdb (/dev/sda is a USB flash drive) and works repeatedly.

o) When I plug in the Pioneer, and then plug the iPod into the Pioneer's
hub, things get interesting. I immediately get this:

ieee1394: Node changed: 0-01:1023 -> 0-02:1023
ieee1394: sbp2: Error reconnecting to SBP-2 device - reconnect failed
ieee1394: sbp2: Logged out of SBP-2 device
ieee1394: sbp2: Error logging into SBP-2 device - login timed-out
ieee1394: sbp2: Failed to reconnect to sbp2 device!

The Pioneer then disconnects after a couple seconds. Then about 10
seconds later, the Pioneer reconnects, followed 1 second later by the
iPod. The Pioneer gets attached to /dev/scd1, and works as such the
first time. Subsequent connect/disconnect events leave it on scd1, but
it doens't work anymore. The iPod gets attached to /dev/sdb as it
should, and the partition enumeration works, but fdisk -l, eject, and
mount all fail as though the disk wasn't there.

/proc/scsi/scsi looks consistant and correct throughout this process.

Thanks again to everyone who has put their time and sweat into this
project!

-- 
Josh Litherland (josh@emperorlinux.com)
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