Date: Tue, 20 Feb 2007 19:35:14 +0300 From: Alex Povolotsky <tarkhil@webmail.sub.ru> To: "Andrey V. Elsukov" <bu7cher@yandex.ru> Cc: freebsd-net@freebsd.org, FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: mpd sometimes hangs the whole system? Message-ID: <45DB2342.5000301@webmail.sub.ru> In-Reply-To: <45DA8B83.3020202@yandex.ru> References: <45D9BADB.6010405@webmail.sub.ru> <45DA8B83.3020202@yandex.ru>
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Andrey V. Elsukov wrote: > Alex Povolotsky пишет: >> mpd (fresh) on FreeBSD 6.1p12 sometimes hangs system, totally, to >> reset. Tried two completely different boxes, so it cannot be a >> hardware problem. > > It's easy to reproduce? Can you try make debug-friendly kernel? RELATIVELY easy. It happens about once a day or more often; but it requires someone to press Reset. > > http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-deadlocks.html > > http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/serialconsole-setup.html > > http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-online-ddb.html > Thanks a lot, I've added invariants and witness; if it won't yield any information, I'll try more. So far, this cursed thing is working with some load for 2 hours, that's much. It does NOT, surely NOT try to tunnel tunnelled traffic; any serialconsole setup is useless since it is also a main gateway. If it dies, nothing but physical access can help. Alex.
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