Date: Wed, 13 Apr 2005 07:28:01 +0200 From: Eirik =?ISO-8859-1?B?2A==?=verby <ltning@anduin.net> To: <current@freebsd.org> Subject: Mysterious hangs Message-ID: <BE827A81.112C4%ltning@anduin.net>
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Hi, For some time I've been seeing infrequent and seemingly random hangs on my dual opteron system. Motherboard is Tyan K8S Pro. Until now I thought it was a "hard" hang, but I've got serial console hooked up and BREAK_TO_DEBUGGER, DDB and KDB in the kernel, and when sending a break through telnet I get: telnet> send brk KDB: enter: Line break on console And nothing more. Which means the box is sort of alive, but fails to present even the kernel debugger. The machine is currently on 5.4 as of yesterday. It's been hanging before (with anything from days to weeks between), under various variations of 5.x, but I haven't had the serial console before now. Has any one seen this before? Any ideas what I could look at? I suspected hardware, but it seems that isn't the case as most HW errors I've seen would cause a total freeze. Here's to hoping. Thanks, /Eirik
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