Date: Thu, 13 Nov 2014 15:18:37 -0800 From: javocado <javocado@gmail.com> To: Steven Hartland <killing@multiplay.co.uk> Cc: FreeBSD Filesystems <freebsd-fs@freebsd.org> Subject: Re: ZFS + xattr -> panic loop Message-ID: <CAP1HOmTp9V6ycg%2BZcY_mhRRsPLUTDM2_y5TWpJ3cm1K-Kw6_sQ@mail.gmail.com> In-Reply-To: <5465129C.7020606@multiplay.co.uk> References: <CAP1HOmTNcSrJzw6H777iJvcKG%2BeCv5L%2Bt0jcR7ccYX5eRXxhGg@mail.gmail.com> <5465129C.7020606@multiplay.co.uk>
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Apologies: FreeBSD hostname 8.3-RELEASE FreeBSD 8.3-RELEASE #1: Wed Sep 18 16:59:03 MDT 2013 amd64 On Thu, Nov 13, 2014 at 12:20 PM, Steven Hartland <killing@multiplay.co.uk> wrote: > Alwas good to include which version of the OS your talking about (uname -a) > > > On 13/11/2014 19:43, javocado wrote: > >> After running an rsync (upload) into my zfs filesystem using the >> --fake-super option (which stores permissions in extended attributes) the >> zfs filesystem has somehow become corrupt. When booting the system it >> panic's upon zfs startup: >> >> panic: solaris assert: VFS_ROOT(vfsp, LK_EXCLUSIVE, &vp) == 0, file: >> /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/ >> common/fs/zfs/zfs_vfsops.c >> , line: 1170 >> cpuid = 12 >> KDB: stack backtrace: >> #0 0xffffffff8034b3ae at kdb_backtrace+0x5e >> #1 0xffffffff803185c7 at panic+0x187 >> #2 0xffffffff80ab8213 at zfs_mount+0x563 >> #3 0xffffffff803a2635 at vfs_donmount+0xdc5 >> #4 0xffffffff803a3133 at nmount+0x63 >> #5 0xffffffff80553284 at amd64_syscall+0x1f4 >> #6 0xffffffff8053bc2c at Xfast_syscall+0xfc >> >> I was able to boot the system by setting the filesystem: >> >> canmount=off >> >> However, I am still unable to mount it manually without causing a similar >> panic. >> >> So, setting the cause of the panic aside for the moment, I just want to >> get >> to the data. I'd like to think I can do that by turning off xattrs and >> mounting it read-only however: >> >> # zfs set xattr=off pool/data >> property 'xattr' not supported on FreeBSD: permission denied >> >> How can I turn that off? >> >> Second or alternately, if I want to just dump the filesystem out excluding >> the extended attributes, so that I have a clean, mountable data set, how >> would I do that? >> >> Thank you! >> _______________________________________________ >> freebsd-fs@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-fs >> To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >> > > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >
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