Date: Sun, 22 Apr 2007 23:22:13 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Gary Jennejohn <garyj@jennejohn.org> Cc: freebsd-current@FreeBSD.org Subject: Re: Problem with ZFS and devices Message-ID: <20070422212213.GK52622@garage.freebsd.pl> In-Reply-To: <200704221111.l3MBBhuu002657@peedub.jennejohn.org> References: <200704221111.l3MBBhuu002657@peedub.jennejohn.org>
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--5mZBmBd1ZkdwT1ny Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Apr 22, 2007 at 01:11:43PM +0200, Gary Jennejohn wrote: > I have a really strange problem with ZFS. >=20 > I have a filesystem (mypool/scr mounted on /scr) which contains root file > systems for various embedded boards (arm, ppc, mips). The file systems > naturally contain a /dev directory. >=20 > I have: > mypool/scr devices on default >=20 > The device numbers a _totally_ fubar on ZFS! >=20 > I used a tarball called dev.tar to move dev from a Linux box to my FreeBSD > box. >=20 > When I unpack dev.tar under ZFS I see totally screwd up values: >=20 > crw-r--r-- 1 root bin 5, 0xc11b0020 Feb 3 22:06 ttyCPM0 > crw-r--r-- 1 root bin 0, 0 Feb 3 22:06 ttyCPM1 > crw-r--r-- 1 root bin 69, 0xc11a0008 Feb 3 22:06 ttyCPM2 > crw-r--r-- 1 root bin 0, 0 Feb 3 22:06 ttyCPM3 > crw-r--r-- 1 root bin 0, 0 Feb 3 22:06 ttyCPM4 > crw-r--r-- 1 root bin 69, 0xc11a0008 Feb 3 22:06 ttyCPM5 >=20 > If I unpack dev.tar under UFS (/tmp) then all device numbers are correct: >=20 > crw-r--r-- 1 root bin 204, 46 Feb 3 22:06 ttyCPM0 > crw-r--r-- 1 root bin 204, 47 Feb 3 22:06 ttyCPM1 > crw-r--r-- 1 root bin 204, 48 Feb 3 22:06 ttyCPM2 > crw-r--r-- 1 root bin 204, 49 Feb 3 22:06 ttyCPM3 > crw-r--r-- 1 root bin 204, 50 Feb 3 22:06 ttyCPM4 > crw-r--r-- 1 root bin 204, 51 Feb 3 22:06 ttyCPM5 >=20 > The screwed up device numbers prevent me from using my FreeBSD box as the > server for my embedded boards. >=20 > Even weirder: >=20 > root:peedub:~:bash:1> cd /scr/eldk-4.1/arm/arm/dev > root:peedub:dev:bash:2> mknod ttyCPM0 c 204 46 > root:peedub:dev:bash:3> ls -l > total 1 > crw-r--r-- 1 root bin 0, 0 Apr 22 13:02 ttyCPM0 >=20 > Any ideas WTF is going here? Is this a pathological problem with ZFS? I just committed a fix. Can you update and confirm it works for you? PS. Thanks for the kind bug report. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --5mZBmBd1ZkdwT1ny Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFGK9IFForvXbEpPzQRAkskAJsFOnGgVpCuDvIdRdcwvY3wrWupRgCgwJvN WykgpjkGd1XN7JDia6cHtNc= =Rt6+ -----END PGP SIGNATURE----- --5mZBmBd1ZkdwT1ny--
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