Interrupt storm on ASUS M2N-E (was: amd64/101873: Freebsd amd64 hangs on booting sata drive?)

[Frank Reppin]

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loas,

hm - I've deactivated onboard LAN in order to avoid
prolly forseen issues with unknown chipset and such and plugged in
an ordinary 3com 905CX-TX nic in order to get things up and
running - if it's maybe related to your issue.

To summarize what I've done so far - I've upgraded the board in question
to the newest BIOS available (v0203 iirc) - loaded setup defaults -
reconfigured them (... deactivated onboard lan) and all was fine.

Not sure if it even matters - or if it even might have sight effects on
your current setup which might led to your issue at all - this board
(according to ASUS' forums  and other forums) will/should run stable if
the desired RAM voltage is <= 1.95V - there are several posts where
people complain that it runs quite unstable/quirky with higher voltage
ram (2.0V/2.1V and such from wellknown vendors).

I've upped some stats about this board as well:

  https://www.undermydesk.org/pub/freebsd/asus_m2ne_specs/

if anyone cares to port the audio driver (which currently doesn't work
on 7.0-CURRENT - but works on Linux Fedora Core 5 [using alsa where it's
detected as AD1988B by ac97]) =)
(I cannot figure out the ac97 codecid for this chip - compared to
current ac97 sources - and from looking at the alsa code I guess that
this even won't suffice... because they use some patch then if it's an
AD1988x).

HTH - cheers,

Frank Reppin

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