Date: Mon, 8 Oct 2001 12:15:13 -0500 From: Mike Meyer <mwm@mired.org> To: hackers@freebsd.org Subject: Debbuging hard lockups... Message-ID: <15297.57121.554185.659525@guru.mired.org>
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I can generate hard lockups on my SMP box pretty easily. When locked, it fails to respond to anything - I can't even get into the kernel debugger to fire up. The lockups don't happen on UP machines under the same conditions, so I can't even see if console debugging would work, because I don't have a second SMP machine to run the kernel on. I'm running 4.4-stable, and I'm looking for suggestions on how to deal with this, other than "don't do that". Debugging kernel options, maybe? Thanks, <mike -- Mike Meyer <mwm@mired.org> http://www.mired.org/home/mwm/ Q: How do you make the gods laugh? A: Tell them your plans. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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