Re: amd64 cdrom access locks system

Andrew Morton
2005-06-08T12:24:17Z

Jeff Wiegley <jeffw@cyte.com> wrote:
>
> I've been having this problem in 2.6.12-rc2 and 2.6.12-rc6.
>
> Any continued access to /dev/hda causes a complete and total
> lock up of the system. Nothing is logged to /var/log/kernel
> or /var/log/messages. Just a solid freeze.
>
> This happens with at least cdparanoia and cdrecord as well.
>
> The machine is an AMD64 FX55 CPU running in a shuttle
> ST20G5 chassis.

Can you identify an earlier kernel which worked OK?

How locked up is it? Does sysrq-P not work? Is it pingable? Tried
enabling the nmi watchdog?