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SubjectRe: Strange reboot behaviour (was Re: [patch] SMP fixes 2.2.1)
Date
Hi,

Charles Cazabon <charlesc-linux@qcc.sk.ca> wrote:

> Out of curiosity, I have a P90 running on a Gigabyte Intel 430FX-based
> motherboard -- when rebooting the box, I sometimes get the BIOS boot error
> message "Memory test failed" instead of a normal memory count. This is
> independent of kernel version and happens about one in three reboots.
>
> Note that there are no other problems with the box; there's no problem with
> the memory itself. It is only after rebooting Linux that this happens. Never
> happens on a cold boot or after hitting the reset switch.
>
> Does this happen to anyone else?

I was having the same problem as you describe. It turned out to be the
Ethernet adapter that was using DMA and continued to transfer packets
from the wire to memory after a system reboot.

I solved the problem by putting a "ifconfig eth0 down" just before the
call to reboot in the corresponding rc script. Newer versions of
sysvinit do this automatically.

peloy.-

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