Subject: Re: More on se0
To: Julian Coleman <J.D.Coleman@newcastle.ac.uk>
From: Matthias Pfaller <leo@dachau.marco.de>
List: port-atari
Date: 08/14/1998 09:01:30
Julian Coleman wrote:
> Matthias Pfaller wrote:
> > I'm curious if this really was causing the problems. I compiled a more =
recent
> > -current kernel for my test machine last night. After work I'll try if =
my
> > EA412 is still working with this kernel (just in case it's a mi bug).
>=20
> I don't think so. Changing this didn't make any difference. BTW, the ke=
rnel
> I'm running on is about 2 weeks old.
In the meantime I tried a newer kernel on my spare pc532 (the one with the
EA412) and it still is working ok. But the tree I was building from isn't
really -current, it is about 4 weeks old.
> I don't know if this is an MI bug or
> not. One thing is that SCSI_NOSLEEP isn't used much in other SCSI code.
> Perhaps on the TT, it does tickle a race condition in the SCSI code (as L=
eo
> pointed out). I don't suppose it's possible for you to attach your EA412=
to
> an Atari is it?
Sorry, but the only Atari I have is an old 260ST and I haven't turned it
on for years... A TT is missing in my collection.
> Or try if_se.c without SCSI_NOSLEEP on the PC532?
Sorry, no. You have to use SCSI_NOSLEEP. Both, se_ifstart and se_recv
can be called from an interrupt context. sleeps are not allowed here.
Matthias
--=20
Matthias Pfaller Software Entwicklung
marco Systemanalyse und Entwicklung GmbH Tel +49 8131 5161-41
Hans-B=F6ckler-Str. 2, D 85221 Dachau Fax +49 8131 5161-66
http://www.marco.de/ Email leo@dachau.marco.de