Date: Mon, 10 Feb 2003 12:38:22 -0500 From: Hiten Pandya <hiten@unixdaemons.com> To: Alexey Zelkin <phantom@FreeBSD.org.ua> Cc: Poul-Henning Kamp <phk@phk.freebsd.dk>, current@FreeBSD.ORG Subject: Re: kld problem ? (was: Re: MSDOSFS wastes 256k when nothing is mounted!) Message-ID: <20030210173822.GB49848@unixdaemons.com> In-Reply-To: <20030209221621.A22410@phantom.cris.net> References: <31456.1044819599@critter.freebsd.dk> <20030209221621.A22410@phantom.cris.net>
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On Sun, Feb 09, 2003 at 10:16:21PM +0200, Alexey Zelkin wrote the words in effect of:
> hi,
>
> On Sun, Feb 09, 2003 at 08:39:59PM +0100, Poul-Henning Kamp wrote:
>
> > /*ARGSUSED*/
> > int
> > msdosfs_init(vfsp)
> > struct vfsconf *vfsp;
> > {
> > dehashtbl = hashinit(desiredvnodes/2, M_MSDOSFSMNT, &dehash);
> > mtx_init(&dehash_mtx, "msdosfs dehash", NULL, MTX_DEF);
> > return (0);
> > }
>
> BTW, it reminds me a problem I found last month. If you've MSDOSFS
> compiled in kernel and try to load msdosfs.ko with loader -- then
> you're 100% will hit into 'mutex already initialized' (or something
> like that) panic later in boot process. (i.e. msdosfs_init() is called
> twice for some reason)
>
> I not sure if it's applicable to KLDs at all or to msdosfs only.
This also happens when the Linux kernel module is loaded twice.
Cheers.
--
Hiten Pandya (hiten@unixdaemons.com, hiten@uk.FreeBSD.org)
http://www.unixdaemons.com/~hiten/
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