Messages in this thread | | | From | "Renato" <> | Date | Thu, 13 Jun 2002 14:03:49 | Subject | RE: Problems with e1000 driver and ksoftirqd_CPU0 |
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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 ) > > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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