Date: Fri, 17 Nov 2000 19:51:07 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Warner Losh <imp@village.org> Cc: Sheldon Hearn <sheldonh@uunet.co.za>, Alfred Perlstein <bright@wintelcom.net>, "Steven E. Ames" <steve@virtual-voodoo.com>, Soren Schmidt <sos@freebsd.dk>, Boris Popov <bp@butya.kz>, Valentin Chopov <valentin@valcho.net>, current@FreeBSD.ORG Subject: Re: CURRENT is freezing again ... Message-ID: <25636.974487067@critter> In-Reply-To: Your message of "Fri, 17 Nov 2000 11:26:02 MST." <200011171826.LAA75925@harmony.village.org>
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In message <200011171826.LAA75925@harmony.village.org>, 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. Bad news for you warner: On a too large sample of my newer motherboards this doesn't work anymore :-( -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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