Date: Mon, 17 Dec 2001 12:02:18 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Martin Blapp <mb@imp.ch> Cc: <freebsd-hackers@FreeBSD.ORG> Subject: Re: deadlock with softupdates ? Message-ID: <200112172002.fBHK2I332492@apollo.backplane.com> References: <20011217125752.P43207-100000@levais.imp.ch>
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: :We have a newserver running here, which freezes :every 2-3 days. Break into db is still possible. : :It is a STABLE 4.4 machine, with new kernel. Yahoo noticed a deadlock in the vnode recycling code. If your machine below is hitting the kern.maxvnodes limit it could be the same thing. The way to tell is to generate a kernel core along with the debug version of the kernel binary (/usr/src/sys/compile/<KERNEL>/kernel.debug), and backtrace each locked-up process to see if any of them are going through the recycle code. Yahoo has a fix for that particular problem that they and I are testing. -Matt :NEWS # mount :/dev/da0s1a on / (ufs, local, soft-updates) :/dev/da0s1e on /var (ufs, local, soft-updates) :/dev/da1s1e on /news (ufs, local, soft-updates) :/dev/da2s1e on /news/spool/overview (ufs, local, soft-updates) :procfs on /proc (procfs, local) :/dev/twed0s1e on /news/spool/articles/1 (ufs, local, soft-updates) :/dev/twed1s1e on /news/spool/articles/2 (ufs, local, soft-updates) : :The latter two filesystems have 10 big files with the cyclic news :filesystem on them. So we have a filesystem on a filesystem. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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