On Thu, Feb 24, 2005 at 09:52:52AM -0600, Jon Noack wrote:
> Mario Sergio Fujikawa Ferreira wrote:
> >On Wed, Feb 23, 2005 at 09:33:41PM -0600, Jon Noack wrote:
> >>On 02/23/05 21:30, Dan Nelson wrote:
> >>>In the last episode (Feb 23), Jon Noack said:
> >>>>On 02/23/05 20:06, Mario Sergio Fujikawa Ferreira wrote:
> >>>>>My last motherboard burned down to ashes so I got myself a brand
> >>>>>(after 2 weeks) new MSI KT880. I am getting some weird results.
> >>>>>
> >>>>>1) fxp intel etherxpress 10/100 network cards report SCB timeout
> >>>>>as well as achieving ridiculously low transfer rates of 600
> >>>>>Bytes/second. Well, I got 10 KBytes/sec once but that does not count
> >>>>>since a side box gets more than 50KB/s ;-) on the same hub. Oh, I've
> >>>>>already switched hub ports, rj45 cables and fxp cards.
> >>>>
After some research, it seems John Baldwin has found the
reason for the SCB timeouts. It is related to APIC being enabled on the
motherboard. It is
optional for single processor systems but required for multiprocessor
systems.
The message regarding the patch is contained in the following URL
http://lists.freebsd.org/pipermail/freebsd-smp/2005-January/000751.html
I have been using the aforementioned patch for the past 24
hours. It is not perfect but I am getting some real speed (over
10KB/s though I should be getting close to 50KB/s). However, I am
losing lots of packets when performing ping tests.
Does anyone know anything further about it? I am willing
to test trial patches as long as I do not lose my HDD data ;-D
Regards,
--
Mario S F Ferreira - DF - Brazil - "I guess this is a signature."
feature, n: a documented bug | bug, n: an undocumented feature
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