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To: Jeremie Le Hen <jeremie@le-hen.org>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Sun, 23 Jan 2005 12:40:01 +0100."
             <20050123114001.GK36660@obiwan.tataz.chchile.org> 
Date: Sun, 23 Jan 2005 15:56:31 +0100
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cc: freebsd-current@FreeBSD.org
Subject: Re: cvs commit: src/sys/dev/md md.c 
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In message <20050123114001.GK36660@obiwan.tataz.chchile.org>, Jeremie Le Hen wr
ites:
>> phk         2005-01-22 19:08:50 UTC
>> 
>>   FreeBSD src repository
>> 
>>   Modified files:
>>     sys/dev/md           md.c 
>>   Log:
>>   Add a couple of mtx_asserts() to try to narrow down the window on
>>   a bug repeatedly reported.
>
>These assertions where triggered immediately when I tried to add a
>vnode-based md(4) device (already reported yesterday [1], but without
>these assertions):

What kind of filesystem is /boot ?  Is it ufs or something else ?

>%%%
>  z6po:root# mdconfig -a -t vnode -f /boot/profile/home
>  panic: mutex Giant not owned at ../../../dev/md/md.c:679
>  KDB: stack backtrace:
>  kdb_backtrace()
>  panic()
>  _mtx_asser()
>  md_kthread()
>  fork_exit()
>  fork_trampoline()
>  --- trap 0x1, eip = 0, esp = ..., ebp = 0 ---
>%%%
>
>Regards,
>
>[1] http://docs.freebsd.org/cgi/getmsg.cgi?fetch=1067825+0+archive/2005/freebsd-current/20050123.freebsd-current
>-- 
>Jeremie Le Hen
>jeremie@le-hen.org
>

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.