I did the upgrade. It looks like it helped a lot. Right now I'm afraid that
I'll have a CPU bottleneck soon... Do you have any benchmark of how much
traffic, let's say on a Intel Dual Xeon 2Ghz, could handle ? Right now my
traffic is almost 100Mbps and idle processing is about 50%.
Thanks !!
On Thu, 13 Jun 2002 09:54:03 -0700, "Leech, Christopher"
<christopher.leech@intel.com> escreveu :
> De: "Leech, Christopher" <christopher.leech@intel.com>
> Data: Thu, 13 Jun 2002 09:54:03 -0700
> Para: "'Renato'" <webmaster@cienciapura.com.br>, linux-
kernel@vger.kernel.org
> Assunto: RE: Problems with e1000 driver and ksoftirqd_CPU0
>
> Due to time constraints and wanting to have a stable and tested driver on
> the distribution, Red Hat's latest kernels have the last released version
of
> e1000 before we started doing some major cleanup in preparation for
merging
> e1000 into the standard kernel distribution. One of the "features" that
was
> removed since then is the use of a tasklet for receive buffer allocation,
> which under certain loads can be a horrible thing.
>
> I would highly recommend trying e1000 4.2.17, either the version found in
> the latest 2.5 kernels or from Intel. The version on Intel's site has
some
> additional backwards compatibility code for 2.2 support and a few
> non-standard features that can easily be disabled at the top of the
makefile
> if you don't want them. On the plus side it's setup to easily build
outside
> of the kernel source tree if you want to test it without patching and
> rebuilding the kernel.
>
> J.A. Magallon posted a backport of the driver from 2.5 to 2.4 early last
> week @ http://giga.cps.unizar.es/~magallon/linux/driver/e1000-4.2.17-
k1.bz2
>
> The latest version from Intel can always be found @
> http://support.intel.com/support/go/linux/e1000.htm
>
> --
> Chris Leech <christopher.leech@intel.com>
> Network Software Engineer
> LAN Access Division, Intel Corporation
>
> > -----Original Message-----
> > From: Renato [mailto:webmaster@cienciapura.com.br]
> > Sent: Tuesday, June 11, 2002 3:50 AM
> > To: linux-kernel@vger.kernel.org
> > Subject: Problems with e1000 driver and ksoftirqd_CPU0
> >
> >
> > Hi all,
> >
> > I'm just using the latest kernel from RedHat - 2.4.18-4smp ( which I
> > suppose it mostly -ac series ) and I'm having real problems with an
> > Ethernet Gigabit network. It looks like "ksoftirqd_CPU0" eats
> > up all the
> > CPU processing with a traffic of just 55 Mbps !! ( it's not
> > my hardware...
> > I'm using a Dual Xeon 2Ghz and with kernel 2.4.9 it could
> > handle easily 85
> > Mbps )
>
>
>
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