Date: Fri, 5 May 2000 12:20:29 -0700 From: Alfred Perlstein <bright@wintelcom.net> To: Jin Guojun <jin@george.lbl.gov> Cc: hackers@FreeBSD.ORG Subject: Re: Can NMI drop a hanging FreeBSD kernel into DDB? Message-ID: <20000505122029.C29830@fw.wintelcom.net> In-Reply-To: <200005051831.LAA25307@george.lbl.gov>; from jin@george.lbl.gov on Fri, May 05, 2000 at 11:31:39AM -0700 References: <200005051831.LAA25307@george.lbl.gov>
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* Jin Guojun <jin@george.lbl.gov> [000505 12:03] wrote: > Hi, > > I am currently experimenting kernel hanging problem even through I have > compiled the kernel with DDB enabled. > > How can I make a hanging kernel into DDB? Will grounding the NMI do it? > > Thanks for any suggestions, That's a bit extreme. hit ctrl+alt+esc on the console, or send a serial break if using a serial console, make sure you have BREAK_TO_DEBUGGER if you're using a serial console. -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] "I have the heart of a child; I keep it in a jar on my desk." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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