Date: Fri, 17 Nov 2000 11:34:06 -0700 From: Warner Losh <imp@village.org> To: Poul-Henning Kamp <phk@critter.freebsd.dk> 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: <200011171834.LAA76119@harmony.village.org> In-Reply-To: Your message of "Fri, 17 Nov 2000 19:51:07 %2B0100." <25636.974487067@critter> References: <25636.974487067@critter>
next in thread | previous in thread | raw e-mail | index | archive | help
In message <25636.974487067@critter> Poul-Henning Kamp writes: : 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 :-( There's also a pci signal that you can either pull up or pull down that's supposed to give you the same results. I've never really needed to know it. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200011171834.LAA76119>