Date: Wed, 28 Nov 2012 06:41:00 -0700 From: Josh Beard <josh@signalboxes.net> To: Andriy Gapon <avg@freebsd.org> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS: Panic when attempting to delete certain data Message-ID: <CAHDrHSv8Tv6Yr9z0PzWFFOqZPLiTN9EkH6nQsEMr48sz%2Bsaizg@mail.gmail.com> In-Reply-To: <50B5CFAF.8070306@FreeBSD.org> References: <CAHDrHStcfSJ-9ueSV%2BFujEsmAK3zMX2CAGVD6Xz_2gJAThu5Kg@mail.gmail.com> <50B50B04.8020109@FreeBSD.org> <CAHDrHSteXO2pzkUtG0WHcgChsyXiBk2of4P0gR7ccY5srWNdew@mail.gmail.com> <50B52CEC.9080208@FreeBSD.org> <CAHDrHSvsrwx5qEimdx7e6eHoXTLwQ1AeH80Nx8izA7BTfFb8Jg@mail.gmail.com> <50B5CFAF.8070306@FreeBSD.org>
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On Wed, Nov 28, 2012 at 1:47 AM, Andriy Gapon <avg@freebsd.org> wrote:
> on 27/11/2012 23:47 Josh Beard said the following:
> > Thanks! Here we go:
> >
> > (kgdb) frame 7
> > #7 0xffffffff80ebd45a in zfs_freebsd_remove (ap=Variable "ap" is not
> available.
> > ) at
> >
> /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:1855
> > 1855 dmu_tx_hold_sa(tx, xzp->z_sa_hdl, B_FALSE);
> > (kgdb) list
> > 1850 &xattr_obj, sizeof (xattr_obj));
> > 1851 if (error == 0 && xattr_obj) {
> > 1852 error = zfs_zget(zfsvfs, xattr_obj, &xzp);
> > 1853 ASSERT3U(error, ==, 0);
> > 1854 dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_TRUE);
> > 1855 dmu_tx_hold_sa(tx, xzp->z_sa_hdl, B_FALSE);
> > 1856 }
> > 1857
> > 1858 mutex_enter(&zp->z_lock);
> > 1859 if ((acl_obj = zfs_external_acl(zp)) != 0 &&
> may_delete_now)
>
> That's what I suspected.
>
> > (kgdb) frame 7
> > #7 0xffffffff80ebd45a in zfs_freebsd_remove (ap=Variable "ap" is not
> available.
> > ) at
> >
> /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:1855
> > 1855 dmu_tx_hold_sa(tx, xzp->z_sa_hdl, B_FALSE);
> > (kgdb) info local
> > No locals.
> > (kgdb)
>
> A little bit unfortunate.
>
> > # ls -Pi /DSDK12_NHR.pax.gz (symlink to ../Archive.pax.gz)
> > 249868
> >
> ./Imaging/Packages/DSDK12_NHR_2012-02-23.pkg/Contents/Resources/DSDK12_NHR.pax.gz
> >
> > # zdb -ddddd store/tdxs1 249868
> > Dataset store/tdxs1 [ZPL], ID 109, cr_txg 35014, 1.33T, 1106389 objects,
> rootbp
> > DVA[0]=<0:8000204400:400> DVA[1]=<0:30800644400:400> [L0 DMU objset]
> fletcher4
> > lzjb LE contiguous unique double size=800L/200P birth=1167710L/1167710P
> > fill=1106389 cksum=1966704b59:757ae6cb615:134bfd597bca9:254b2ee348393d
> >
> > Object lvl iblk dblk dsize lsize %full type
> > 249868 1 16K 512 0 512 0.00 ZFS plain file
> > 201 bonus System attributes
> > dnode flags: USERUSED_ACCOUNTED
> > dnode maxblkid: 0
> > path
> >
> /tech/2012-09-14-01-00/Imaging/Packages/DSDK12_NHR_2012-02-23.pkg/Contents/Resources/DSDK12_NHR.pax.gz
> > uid 300002
> > gid 80
> > atime Tue Nov 27 14:43:00 2012
> > mtime Thu Feb 23 08:59:21 2012
> > ctime Fri Sep 14 01:12:37 2012
> > crtime Fri Sep 14 01:11:50 2012
> > gen 81430
> > mode 120755
> > size 17
> > parent 249866
> > links 1
> > pflags 40800000104
> > xattr 230
>
>
> Could you please now run 'zdb -ddddd store/tdxs1 230' ?
>
> --
> Andriy Gapon
>
# zdb -ddddd store/tdxs1 230
Dataset store/tdxs1 [ZPL], ID 109, cr_txg 35014, 1.33T, 1106389 objects,
rootbp DVA[0]=<0:8000284800:400> DVA[1]=<0:308006b3800:400> [L0 DMU objset]
fletcher4 lzjb LE contiguous unique double size=800L/200P
birth=1167748L/1167748P fill=1106389
cksum=16e1e08cb8:70a50f1ec5a:13419c71d1cda:260fbed28af8f5
Object lvl iblk dblk dsize lsize %full type
zdb: dmu_bonus_hold(230) failed, errno 2
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