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SubjectRe: Firewire/sbp2 troubles with Linux 2.6.0
On Sun, Dec 21, 2003 at 11:42:05AM +0100, M?ns Rullg?rd wrote:
> Ben Collins <bcollins@debian.org> writes:
>
> > On Sun, Dec 21, 2003 at 04:26:11AM +0100, M?ns Rullg?rd wrote:
> >>
> >> I'm having some trouble connecting a Firewire hard disk box to a
> >> laptop running Linux 2.6.0. The disk is correctly detected when
> >> connected, and can be mounted. The problems start when I try to read
> >> large files from the disk. It will start off reading at about 10
> >> MB/s, which seems a bit slow for Firewire. The disks I've used are
> >> capable of much more. That's not the real problem, though. After a
> >> little while, sometimes as little as 1 MB, sometimes after about 50
> >> MB, the reading will stall and this message is printed in the kernel
> >> log:
> >>
> >> ieee1394: sbp2: aborting sbp2 command
> >> 0x28 00 03 6f d2 f1 00 00 f8 00
> >
> > Please try the code in the repo on linux1394.org. I've done a lot of
> > work to sbp2 since my last sync with Linus.
>
> No difference at all. What I think is strange, is that small reads or
> reading at a slow rate works perfectly. Any further ideas?

I've seen that before with an old card that I had. I was forced to
either serialize the serial commands in sbp2, or reduce the max speed to
S200.

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