Date: Mon, 23 Feb 2009 01:06:04 -0500 From: Yoshihiro Ota <ota@j.email.ne.jp> To: Steve Wills <steve@mouf.net>, Daichi GOTO <daichi@freebsd.org> Cc: stable@freebsd.org, Masanori OZAWA <ozawa@ongs.co.jp> Subject: Re: unionfs panic in 7.1 Message-ID: <20090223010604.fd404e45.ota@j.email.ne.jp> In-Reply-To: <499FCAD4.8000006@freebsd.org> References: <95E82F15-2535-4C67-BDF0-44CFC7EB9FBB@mouf.net> <499FCAD4.8000006@freebsd.org>
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On Sat, 21 Feb 2009 18:35:16 +0900 Daichi GOTO <daichi@freebsd.org> wrote: > Steve Wills wrote: > > Hi, > > > > I've found an reproducable panic in unionfs on 7.1-R. > > > > /usr/src/sys/fs/unionfs/union_subr.c is: > > $FreeBSD: src/sys/fs/unionfs/union_subr.c,v 1.92.2.7.2.2 2008/12/15 > > 03:58:55 daichi Exp $ > > > > kgdb output is below. > > > > I reproduce this by unionfs mounting a ports dir used by the ports > > tinderbox. If anyone would like more info, please let me know, I have > > the core around, and can reproduce, help debug, resend in case my mailer > > has mangled this, etc. > > I have some research around that issue. > > First I should say, I cannot judge that unionfs leads > that problem or not. JIMO, I guess that is not depends > on unionfs itself. Very similar panis is reported without > unionfs. At least, I cannot figure out what is the main > cause of this problem. sorry. I wonder if it is one of LORs, http://sources.zabbadoz.net/freebsd/lor.html If you can try on 8-CURRENT and reproduce, it may provide you better info. Regards, Hiro
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