From owner-freebsd-hackers@FreeBSD.ORG  Fri Apr  2 16:10:27 2010
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Date: Fri, 2 Apr 2010 19:45:03 +0200 (CEST)
From: Petr Salinger <Petr.Salinger@seznam.cz>
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Subject: leak of the vnodes
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Hi,

I have the same problem as in
http://lists.freebsd.org/pipermail/freebsd-hackers/2009-August/029227.html

During "make check" of gcc-4.3 the vfs.numvnodes goes up,
after reaching default limit 100000 the machine is stuck.

kern.maxvnodes: 100000
kern.sigqueue.alloc_fail: 0
kern.sigqueue.overflow: 371
kern.sigqueue.preallocate: 1024
kern.sigqueue.max_pending_per_proc: 128
kern.minvnodes: 25000
vfs.freevnodes: 22
vfs.wantfreevnodes: 25000
vfs.numvnodes: 100005
debug.vnlru_nowhere: 811

It is not on plain FreeBSD, but the GNU/kFreeBSD
changes to the kernel are minimal.

The KTR trace of KTR_VFS from 8-stable is at
http://asdfasdf.debian.net/~salinger/ktr.gz

Thanks for any hints.

Petr