Date: Mon, 28 May 2007 01:20:24 -0700 From: Julian Elischer <julian@elischer.org> To: Nikos Vassiliadis <nvass@teledomenet.gr> Cc: freebsd-net@freebsd.org, Robert Watson <rwatson@freebsd.org> Subject: debuging a hung kernel Message-ID: <465A90C8.8020600@elischer.org> In-Reply-To: <200705281104.22384.nvass@teledomenet.gr> References: <200705221006.49359.nvass@teledomenet.gr> <200705281033.08968.nvass@teledomenet.gr> <465A8B7B.7060204@elischer.org> <200705281104.22384.nvass@teledomenet.gr>
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Nikos Vassiliadis wrote: > On Monday 28 May 2007 10:57, Julian Elischer wrote: >> Nikos Vassiliadis wrote: >>> On Tuesday 22 May 2007 10:06, I wrote: >>>> Hello everybody, >>>> >>>> I just managed to lock my box and I want to report it >> define "lock"? >> >> Does it still respond to <CTL><ALT><ESC> on the keyboard? > > No, but I was trying to break to the debugger with > <Control><PrintScreen> myself. I assume that it is > equivalent to the combination you wrote, or not? > >> (Assuming you have the debugger in your kernel?). > > Yes, I have included my kernel configuration, see bellow. > >> Does it still ping? > > no, ARP does not work as well. > nasty.. do you have IPMI? sometimes that allows you to generate an NMI that could theoretically be made to drop to the debugger. I've not had success with that but I have heard others have.
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