Date: Mon, 10 Apr 2000 11:40:59 -0700 From: "Jordan K. Hubbard" <jkh@zippy.cdrom.com> To: Brian Fundakowski Feldman <green@FreeBSD.ORG> Cc: hackers@FreeBSD.ORG Subject: Re: somewhat random mostly-lockups in 5.0 Message-ID: <17850.955392059@zippy.cdrom.com> In-Reply-To: Your message of "Sun, 09 Apr 2000 21:03:04 EDT." <Pine.BSF.4.21.0004092049560.71419-100000@green.dyndns.org>
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> The syptoms are that the machine locks up. Hard. But there's a catch: Erm, Brian, You *know* nobody can debug a problem like this without hard information. It's like calling a mechanic on the phone and saying "My car won't go. It just doesn't move at all! Tell me what's wrong!" Compile in the kernel debugger and start hunting around when the system "locks up" next time. Just figuring out which wait address processes are stuck on would be a BIG HELP. Saying your machine locks up but is still pingable narrows it down to only several thousand lines of code. Even jlemon's "diagnosis" is of only marginal help without actually having access to the failing machine. - Jordan P.S. My -current box from April 6th has yet to do anything like this. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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