hardware and package builds

Marcel Moolenaar xcllnt at mac.com
Tue Nov 13 13:03:17 PST 2007

On Nov 13, 2007, at 12:25 PM, Hiroki Sato wrote:

> Well, let me explain the current situation of my e4500s first.  I
> have three e4500s with 10-14 CPUs online for experiment and package
> building now, but some of them are often down probably because some
> hardware failure.


pluto2.freebsd.org (ia64) has been running reliably for a
long time with FreeBSD 6.x. Now that the machine has been
upgraded to FreeBSD -CURRENT do I experience machine check
aborts. These MCAs have been observed on pluto1.freebsd.org
for a while when it was running FreeBSD 7.x and it was
attributed to the hardware and Kris stopped package builds
on that machine.

Now I'm actually thinking that it's a FreeBSD problem,
because it now all of a sudden is a problem on pluto2 and
both machines are reliable otherwise -- that is, only
when doing a 4-way parallel package build do these MCAs
happen. An 8-way parallel buildworld is fine.

This does not mean that it's a hardware problem in your
case of course, but keep in mind that it may also be a
kernel bug...

Marcel Moolenaar
xcllnt at mac.com

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