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SubjectRe: Machine reboot
Lukas Hejtmanek wrote:
> On Thu, Oct 12, 2006 at 09:08:34PM -0700, Auke Kok wrote:
>>> and this device is Gb ethernet, e1000 is perfect candidate to look at. And
>>> yes, removing e1000
>>> before reboot works around the issue.
>> Have you tried to only `ifconfig ethX down` ? my own i965 board shuts down
>> perfectly fine without unloading the e1000 driver.
>
> I can confirm that rmmod e1000 causes that machine can reboot gracefully.
>
>> Would you be able to debug a failed shutdown perhaps and capture the
>> console output? when exactly does it `stall` ? What other interrupts are
>> assigned on your system? Did other BIOS versions work correctly?
>
> Up to version 0864 it restarts normally. Any higher version causes hang on
> restart if e1000 driver is loaded.
>
> I've tried to report it to Intel but they replied that Linux is unsupported on
> this board...
>
> It's not an issue in the Linux kernel. Using various printk I can see that
> tripple fault or reset via KBD is issued and followed by hang of the BIOS.
>
> For i965 chipsets, the BIOS is *a lot* buggy :(

that's depressing, can you send me the output of `dmidecode` of the latest BIOS? Perhaps
I can reproduce it myself with that version.

Auke
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