Re: Locked up 2.4.10-pre11 on Tyan 815t motherboard.

bill davidsen
2001-09-24T15:14:21Z

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.

--
bill davidsen <davidsen@tmr.com>
"If I were a diplomat, in the best case I'd go hungry. In the worst
case, people would die."
-- Robert Lipe