Date: Mon, 19 Feb 2007 21:24:08 +0300 From: Alex Povolotsky <tarkhil@webmail.sub.ru> To: Max Laier <max@love2party.net> Cc: freebsd-net@freebsd.org Subject: Re: mpd sometimes hangs the whole system? Message-ID: <45D9EB48.1040302@webmail.sub.ru> In-Reply-To: <200702191806.03621.max@love2party.net> References: <45D9BADB.6010405@webmail.sub.ru> <200702191806.03621.max@love2party.net>
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Max Laier wrote: > [ Removing -stable from CC ] > > On Monday 19 February 2007 15:57, Alex Povolotsky wrote: > >> mpd (fresh) on FreeBSD 6.1p12 sometimes hangs system, totally, to >> reset. Tried two completely different boxes, so it cannot be a hardware >> problem. >> >> I'm updating to 6.2 now, but have little hope. What can I turn on in >> kernel to fix it or at least to make computer reboot? >> > > How do you figure it's mpd related? Did you collect *any* debugging > information at all? How about enabling DDB and WITNESS? A "hanging" > system usually suggests a deadlock. WITNESS should turn up possible > causes. Also, could you check if setting debug.mpsafenet=0 in > loader.conf helps? > > Well, I'll try new kernel tomorrow; I've rebuild non-SMP kernel, so mpsafenet should not be of any use? Alex.
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