Messages in this thread |  | | Date | Mon, 24 Sep 2001 11:14:21 -0400 | Subject | Re: Locked up 2.4.10-pre11 on Tyan 815t motherboard. | From | (bill davidsen) |
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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 - 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/
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