Date: Fri, 17 Nov 2000 21:09:10 -0500 (EST) From: Andrew Gallatin <gallatin@cs.duke.edu> To: current@FreeBSD.ORG Subject: Re: CURRENT is freezing again ... Message-ID: <14869.58485.15187.975790@grasshopper.cs.duke.edu> In-Reply-To: <200011171826.LAA75925@harmony.village.org> References: <2967.974461715@axl.fw.uunet.co.za> <200011171826.LAA75925@harmony.village.org>
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Warner Losh writes: > In message <2967.974461715@axl.fw.uunet.co.za> Sheldon Hearn writes: > : The problem with a hard lock-up out of which you can't escape into the > : debugger is that it makes meaningful bug reports impossible. My non-SMP > : workstation has exhibited apparently arbitrary lock-ups since the advent > : of SMPng. > > You can also short IOCHK to ground to get an NMI which kicks you into > the debugger, even in an interrupt context. I have a card I built > from an old multi-function card to do this. I think it is A1 and A2, > but I don't have my ISA bus spec handy. Or you can use an alpha; most of which have a halt button that will drop you into the SRM console. ;) Drew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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