Date: Sun, 18 Dec 2011 13:52:12 +0100 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Andriy Gapon <avg@FreeBSD.org> Cc: Martin =?utf-8?Q?Matu=C5=A1ka?= <mm@FreeBSD.org>, "fs@freebsd.org" <fs@FreeBSD.org>, Karli =?iso-8859-1?Q?Sj=F6berg?= <Karli.Sjoberg@slu.se> Subject: Re: Consistant panics trying to access zfs filesystems replicated from Sun/Oracle appliance Message-ID: <20111218125212.GE1685@garage.freebsd.pl> In-Reply-To: <4EE9EC6F.2080808@FreeBSD.org> References: <82B38DBF-DD3A-46CD-93F6-02CDB6506E05@slu.se> <73B607D0-8C3E-4980-B901-B986E060D32E@slu.se> <4EE7754D.3050605@FreeBSD.org> <558C926F-14FA-458D-BB8E-D20BA46BE6D2@slu.se> <4EE9EC6F.2080808@FreeBSD.org>
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[-- Attachment #1 --] On Thu, Dec 15, 2011 at 02:47:43PM +0200, Andriy Gapon wrote: > on 15/12/2011 13:59 Karli Sjöberg said the following: > > Hi all, > > > > with the help of Andriy Gapon, I managed to capture what happened: > > > > # cd /export/Portfolio/ci (TAB) > > http://oi40.tinypic.com/b3lsog.jpg > > > > # cd /export/Portfolio/cifs_share > > http://oi42.tinypic.com/6e40op.jpg > > > > # ls /export/Portfolio/cifs_share > > http://oi42.tinypic.com/23rn60j.jpg > > > > > > And this was Andriy´s response: > > Hmm, so it adds the "FreeBSD" string twice. > > I am not sure what that means, consider sharing this result with the public, > > maybe someone will have a better idea. > > > Ah, hah, no wonder there is a panic: > static __inline ksiddomain_t * > ksid_lookupdomain(const char *domain) > { > ksiddomain_t *kd; > > kd = kmem_alloc(sizeof(*kd), KM_SLEEP); > strlcpy(kd->kd_name, "FreeBSD", sizeof(kd->kd_name)); > return (kd); > } > > > So, no matter what input domain value is, the returned ksiddomain_t is going to > have kd_name of "FreeBSD". Basically it means that if an on-disk fuid_nvlist > has more than one entry then we always are going to hit this panic. Not good. Yeah. Karli, could you try the patch below? http://people.freebsd.org/~pjd/patches/zfs_sid.h.patch -- Pawel Jakub Dawidek http://www.wheelsystems.com FreeBSD committer http://www.FreeBSD.org Am I Evil? Yes, I Am! http://yomoli.com [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAk7t4fwACgkQForvXbEpPzS9GACgkhXq2YkBld7bdCZCKTrWwbdb jF0Anjy9HvcQzV4aM9lL8jh2qokTc9J0 =wuEf -----END PGP SIGNATURE-----
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