RE: FXP driver....
From: Danial Thom (danial_thom_at_yahoo.com)
Date: Sun, 21 Aug 2005 05:29:04 -0700 (PDT) To: Daniel Gonzalez <firstname.lastname@example.org>, email@example.com
Thats the sort of thing that happens when
interrupts aren't working.
--- Ted Mittelstaedt <firstname.lastname@example.org>
> what about a ping from the 845G to the labbox,
> does that do
> the same thing?
> >-----Original Message-----
> >From: email@example.com
> Behalf Of Daniel Gonzalez
> >Sent: Friday, August 19, 2005 11:12 AM
> >To: firstname.lastname@example.org
> >Subject: FXP driver....
> >> Hi,
> >> I've build a new P4 box (1.8Ghz, 512MB mem)
> based upon a ASUS P4B533VM
> >> motherboard. This board has an Intel 845G
> chipset and onboard 10/100
> >> mbit/s LAN (fxp driver).
> >> When connected directly to a gateway (in my
> case an Extreme BD10k) I
> >> observe the following behaviour: a ping to
> the gateway starts around
> >> 1ms and slowly increases in steps of .1 or
> .2ms to around 10ms. Then
> >> it suddenly drops back to 1ms and the
> process starts all over again.
> >> I've tried a different NIC (3com, xl
> driver), new cabling, new
> >> switchport and all gives me the same result.
> My other labbox (a AMD
> >> 2000 XP+ with 3com PCI nic) connected to the
> same router is showing
> >> normal latency. This gives me the feeling
> it's some sort of timing
> >> issue on the P4's motherboard itself.
> >> Has anyone seen this before? I've searched
> the archives and found
> >> little on this topic. Any tips/hints where I
> can seach for further
> >> clues?
> >> Thanks,
> >> Arjan
> >I haven't used the fxp driver in a while but
> you can check out
> >the man page
> >for the driver (man 4 fxp) and it mentions
> that you can disable
> >for media type and speed. I remember reading
> in an article (I
> >can't locate
> >the URL) that the autonegotiation between the
> NIC and
> >switch/router can be a
> >bottleneck. That would be the easiset thing to
> >Hope that
> >Dan Gonzalez
> >IM: signulth
> >email@example.com mailing list
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