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Date:      Tue, 22 May 2001 05:54:31 +0100
From:      Bob Bishop <rb@gid.co.uk>
To:        freebsd-current@FreeBSD.ORG
Cc:        Dima Dorfman <dima@unixfreak.org>, mheffner@vt.edu, David Malone <dwmalone@maths.tcd.ie>, alfred@FreeBSD.ORG
Subject:   Re: panic: mutex vm not owned
Message-ID:  <l0313030fb72f9cfa1f03@[194.32.164.2]>
In-Reply-To: <20010521213714.A54189@walton.maths.tcd.ie>
References:  <20010521084416.6E9763E28@bazooka.unixfreak.org>; from dima@unixfreak.org on Mon, May 21, 2001 at 01:44:16AM -0700 <200105210920.aa71413@salmon.maths.tcd.ie> <20010521084416.6E9763E28@bazooka.unixfreak.org>

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Hi,

I've seem to have the swap-related variety of this one:

panic: mutex vm not owned at ../../vm/vm_page.h:328

...from a kernel cvsup approx 0300 GMT on Sunday.

But I'm surprised. This box has 128MB and will rarely swap building world
(which is what it was doing). The only other oddity is that it had just had
a brief "not responding...alive again" episode with the NFS server dishing
up sources.

Anyway, here's the abridged backtrace from DDB:

panic()
_mtx_assert()
swp_pager_async_iodone()
bufdone()
bufdonebio()
ad_interrupt()
ata_intr()
ithread_loop()
fork_exit()
fork_trampoline()

I'll keep the box in DDB for a bit in case anyone wants more info, so dmesg
not available right now but it's a pretty unremarkable configuration
running GENERIC.



--
Bob Bishop              (0118) 977 4017  international code +44 118
rb@gid.co.uk        fax (0118) 989 4254



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