Date: Sat, 05 Oct 2002 13:12:24 -0400 From: "Brian F. Feldman" <green@freebsd.org> To: "Steven G. Kargl" <kargl@troutmask.apl.washington.edu> Cc: freebsd-current@freebsd.org, kirk@freebsd.org Subject: Re: panic from _mutex_assert in kern_lock.c Message-ID: <200210051712.g95HCOLw012226@green.bikeshed.org> In-Reply-To: Your message of "Sat, 05 Oct 2002 08:36:12 PDT." <200210051536.g95FaC1P012967@troutmask.apl.washington.edu>
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"Steven G. Kargl" <kargl@troutmask.apl.washington.edu> wrote:
> The source tree was retrieved by cvsup
> at 21:47 (PST) on Oct 4.
>
> This is a non-GEOM and non-acpi kernel.
>
> I have the core and kernel.debug, so any
> further postmortem is possible.
I think the problem is that in src/sys/ufs/ffs/
ffs_snapshot.c:ffs_snapshot(),
as the mnt vnode list is traversed none of the vnodes ("xvp") would actually GET
VI_LOCK()ed in the first place, and so the LK_INTERLOCK is bogus in the
vn_lock() call. Kirk would know for sure what to do about this...
--
Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\
<> green@FreeBSD.org <> bfeldman@tislabs.com \ The Power to Serve! \
Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\
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