Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 09 Jul 2003 16:50:56 +0100
From:      Mark Murray <mark@grondar.org>
To:        Maxime Henrion <mux@freebsd.org>, Warner Losh <imp@freebsd.org>
Cc:        current@freebsd.org
Subject:   Re: Broken ep0 
Message-ID:  <200307091550.h69FoubN081076@grimreaper.grondar.org>
In-Reply-To: Your message of "Wed, 09 Jul 2003 17:40:06 %2B0200." <20030709154006.GG42121@elvis.mu.org> 

next in thread | previous in thread | raw e-mail | index | archive | help
Maxime Henrion writes:
> > Can you have a look at this please?
> >
> > The symptoms are an ep0 that works for a few packets and then
> > completely stops working. It doesn't respond to pings, nothing.
>
> I think you and/or Warner got mistaken.  My last round of changes
> to if_ep.c _fixed_ some race conditions that previously weren't a
> problem, but became a problem once Warner flag'd the pccbb interrupts
> INTR_MPSAFE.  It's very possible that there are other problems left
> in the ep(4) driver, but I highly doubt my changes to if_ep.c are the
> culprit.  I'm sorry but I can't do anything for you since I don't
> even have ep(4) hardware here ; I was able to fix the race conditions
> mentioned above because people reported panics with stacktrace that
> made the problem obvious.

OK - problem.

I have a broken driver, with a dodgy patch to "fix" it, and you guys are
both saying "not my problem".

I'm quite happy to make it my problem, but I'll need a bit of help,
please.  Who is it going to be?

M
--
Mark Murray
iumop ap!sdn w,I idlaH



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200307091550.h69FoubN081076>