Still have BCE driver issues (dell pe 1950) and NFS

[Josh Paetzel]

On Tuesday 07 November 2006 10:10, Scott Long wrote:
> Josh Paetzel wrote:
> > On Tuesday 07 November 2006 03:30, Fredrik Widlund wrote:
> >> Hi,
> >>
> >> Will a fix/this fix be part of the 6.2 Release? We will be
> >> relying heavily on fbsd6.2 and pe1950 and are worried about the
> >> BCE stability?
> >>
> >> Kind regards,
> >> Fredrik Widlund
> >>
> >> Scott Long wrote:
> >>> Olivier Mueller wrote:
> >>>> Le 7 nov. 06 à 01:15, Scott Long a écrit :
> >>>>> Olivier Mueller wrote:
> >>>>>> NFS Server: dell poweredge 1950, with the 1.2.2.6 version of
> >>>>>> if_bce.c: bce0: <Broadcom NetXtreme II BCM5708 1000Base-T
> >>>>>> (B1), v0.9.6> mem - Start a directory listing on it:
> >>>>>> immediate (network) crash of the NFS
> >>>>>>   server.   (reproduced 3 times)
> >>>>>
> >>>>> Do the following, then retry your test:
> >>>>> ifconfig bce0 -txcsum
> >>>>
> >>>> Oh, this way it looks much better, thanks.  Directory listing
> >>>> was fine, and copying files during 2-3 minutes over NFS worked
> >>>> as well. More tests will follow tomorrow.
> >>>>
> >>>> Next step? :-)  Should I put that command somewhere in my init
> >>>> scripts, or even directly in rc.conf, or wait for a new
> >>>> if_bce0.c version?  I am available for any other
> >>>> PE1950-related tests if this may help.
> >>>>
> >>>> Regards,
> >>>> Olivier
> >>>
> >>> Change /sys/dev/bce/if_bcereg.h so that BCE_IF_HWASSIST is
> >>> defined to 0. Then recompile.
> >>>
> >>> Scott
> >
> > I know I've brought this up before, but I have a PE1950 with a
> > pair of bce nics that get pounded on 24/7.  I've been using 6.1-R
> > with the 0.9.6 version of the bce driver for a couple of months
> > now.  The driver is available here: 
> > http://yogurt.org/FreeBSD/if_bce.c  I've emailed the author of
> > the driver and I've at least mentioned it to Scott once but I
> > really can't understand why we don't just import this driver into
> > the tree.
>
> What you just posted is exactly what committed to CVS for 7-CURRENT
> and 6-STABLE, and what was proven to break down under moderate to
> heavy UDP traffic.  I don't doubt that your servers have a load
> that doesn't trigger the problem, but if you're curious I can send
> you a couple of very simple test cases that will cause your driver
> to panic and your network interface to wedge.
>
> Scott

My bad.  Thanks for clearing this up. (In my case pretty much all of 
the traffic is TCP which I guess would explain why it's working for 
me)

-- 
Thanks,

Josh Paetzel