em0 issues with 4.10 + SMP

[Ross Kramer]

Well, I am running a number of 4.9-RELEASE systems with dual onboard
intel Pro 1000s (em0 and em1) and SMP, and they don't seem to have any
problems. At this point, I am completely baffled. Does 5.x come with an
SMP generic kernel?

On Fri, 2005-01-14 at 15:00 -0500, John Baldwin wrote:
> On Friday 14 January 2005 02:46 pm, Ross Kramer wrote:
> > What if I downgrade to an earlier version of FreeBSD, like 4.9 or 4.7?
> > Would I still be running into the same problems?
> 
> I am not sure.  If so, then it would perhaps indicate more of a driver bug 
> than something in the interrupt code itself.
> 
> > More simply, what version of FreeBSD do you recommend? Is the latest 5.x
> > stuff stable enough for production environments?
> 
> It is for some environments, but that is something you would need to test 
> locally yourself as I'm sure there are environments that 5.x is not ready to 
> handle yet.  It would be good to know if 5.x has the same problems with the 
> network interfaces though, and a quick boot off of a CD can probably help 
> determine that.
> 
> > On Fri, 2005-01-14 at 14:30 -0500, John Baldwin wrote:
> > > On Friday 14 January 2005 02:02 pm, Ross Kramer wrote:
> > > > On Fri, 2005-01-14 at 13:11 -0500, John Baldwin wrote:
> > > > > On Friday 14 January 2005 12:57 pm, Ross Kramer wrote:
> > > > > Try adding 'device uhci' and 'device usb' to your kernel so that the
> > > > > USB controller (which shares the same IRQ) will probe.  It may be
> > > > > that the USB controller is causing an interrupt storm of sorts,
> > > > > though on 4.x that usually results in a hard hang.
> > > >
> > > > I tried enabling that in the config, rebuilt the kernel, installed it,
> > > > and rebooted. em0 did the same thing again, but its ping times to the
> > > > local network were in the 8000ms range, when it wasn't returning "Host
> > > > down"... Any other suggestions?
> > >
> > > Hmm, not many for 4.x.  The interrupt code in 4 and 5 is quite different
> > > now.
> >
> > ____________________________
> > # Ross Kramer              #
> > # Systems Administrator    #
> > # Compete, Inc.            #
> > # rkramer at compete.com      #
> > #__________________________#
> >
> > Random quote:
> >
> > "Moral indignation is jealousy with a halo." --H.G. Wells
> 
____________________________
# Ross Kramer              #
# Systems Administrator    #
# Compete, Inc.            #
# rkramer at compete.com      #
#__________________________#

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