Date: Tue, 28 Nov 2000 12:17:14 -0400 (AST) From: The Hermit Hacker <scrappy@hub.org> To: Alfred Perlstein <bright@wintelcom.net> Cc: freebsd-current@FreeBSD.ORG Subject: Re: system hangs ... not sure how to debug ... Message-ID: <Pine.BSF.4.21.0011281216090.323-100000@thelab.hub.org> In-Reply-To: <20001127215621.T8051@fw.wintelcom.net>
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On Mon, 27 Nov 2000, Alfred Perlstein wrote: > * The Hermit Hacker <scrappy@hub.org> [001127 18:12] wrote: > > > > Morning all ... > > > > Every since the SMPng code went into -current way back when, I've > > been experiencing hangs ... and am not quite sure how to debug this. I'm > > in X all the time, so breaking to the debugger to see where its hanging > > isn't possible ... > > > > Some kernels its relatively easy to trigger, some kernels are > > harder to trigger, but they all do at some point in time ... > > > > Can someone suggestion a method of being able to debug this? > > Serial console, add BREAK_TO_DEBUGGER (sp?) to your kernel config and > hook your laptop up to it. actually, got everything compiled nicely, rebooted and figured I'd pound the system the best way I know how: while(1) make -j16 world end system hung solid ... ctl-alt-esc won't even get me to DDB ... this kernel seems to do it faster then the previous one ... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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