bill davidsen wrote:
>
> In article <3BA8DF59.B9F536B4@candelatech.com> greearb@candelatech.com wrote:
> | Andrew Morton wrote:
> |
> | > nmi_watchdog will force an oops if the machine locks up
> | > with interrupts disabled (as I suspect mine did). But
> | > it requires an SMP kernel or IO-APIC-on-UP.
> |
> | I just built a 2.4.8 kernel with the APIC enabled. It locked
> | hard and printed no OOPS. I had set the boot cmd line as:
> | nmi_watchdog=1
>
> This only works if you have a lock with no response. If keyboard input
> is echoed or ping still works, that's not the tight lockup. May I
> suggest the software watchdog feature as an alternative. It's much
> better at finding cases where the system is only braindead rather than
> locked up.
The keyboard did not work and ping did not work...
alt-sysreq did not work either.
Ben
-- Ben Greear <greearb@candelatech.com> <Ben_Greear@excite.com> President of Candela Technologies Inc http://www.candelatech.com ScryMUD: http://scry.wanfear.com http://scry.wanfear.com/~greear - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sun Sep 30 2001 - 21:00:24 EST