From owner-freebsd-hackers@FreeBSD.ORG  Thu Mar 11 10:29:19 2010
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Date: Thu, 11 Mar 2010 12:29:12 +0200
From: Jaakko Heinonen <jh@FreeBSD.org>
To: Alexander Best <alexbestms@wwu.de>
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Cc: freebsd-hackers@FreeBSD.org, Poul-Henning Kamp <phk@phk.freebsd.dk>,
	Bruce Evans <brde@optusnet.com.au>
Subject: Re: namei() returns EISDIR for "/" (Re: svn commit: r203990 -
 head/lib/libc/sys)
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On 2010-03-10, Alexander Best wrote:
> could this panic have been triggered by the patch?

It doesn't look like it's caused by the patch.

> panic() at panic+0x15f
> _mtx_lock_flags() at _mtx_lock_flags+0xc5
> fdesc_allocvp() at fdesc_allocvp+0xbf
> fdesc_lookup() at fdesc_lookup+0x15c
> 
> this was 100% reducible when doing `portsnap fetch` though i changed a lot of
> stuff in my kernel config and reverted a lot of src patches to resolve the
> issue so i'm not sure what exactly was causing it.

The panic happened in fdescfs code. Did you have local patches related
to fdescfs?

-- 
Jaakko