On 2008/02/26 12:18, openbsd firewall wrote:
> Installed 4.3-beta and no good. Still have huge ping delays.

> Where could be the source of this ? IRQ conflict or driver problems with
> that PCI-X slot ?

I would first suspect IRQ routing problems (i.e. the OS can't work
out from the information supplied by the BIOS which IRQ lines are routed
to which devices).

These days it's not uncommon for the $PIR and/or MPBIOS tables in the
BIOS to be wrong in the BIOS, only ACPI having the right information on
how to route interrupts.

In -current ACPI is enabled by default but on a single CPU system
APM (if enabled, which it is by default) takes priority. To disable APM
at the boot prompt, "b -c". then at the ukc prompt, "disable apm".
If this helps you can make it stick with

# cd /
# config -e -o bsd.no-apm bsd
disable apm
quit
# ln bsd.no-apm nbsd && mv nbsd bsd

this reconfigures the kernel into a new file, installs it to /bsd and
leaves a copy around as /bsd.no-apm in case you forget about it and do
an upgrade.

> bios0 at mainbus0: AT/286+ BIOS, date 07/27/04, BIOS32 rev. 0 @ 0xfb830,

oh, you might also want to try a new BIOS.

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