Hi Andriy, Scratch that, it would appear to be a PEBKAC issue, looks like I omitted to actually save sid.h when I made the mods.
Patch is good, I now have access to my whole pool again. Thanks, Morgan On Mon, Feb 6, 2012 at 10:23, Morgan Reed <morgan.s.r...@gmail.com> wrote: > Hi Andriy, > > Thanks for that, the patch has significantly improved > matters, I'm now able to run a find across part of the drive without > issue, however I'm still seeing the panics on some directories, stack > trace below; > > panic: avl_find() succeeded inside avl_add() > cpuid = 0 > KDB: stack backtrace: > #0 0xc0a4b157 at kdb_backtrace+0x47 > #1 0xc0a186b7 at panic+0x117 > #2 0xc5a2d7b2 at avl_add+0x52 > #3 0xc5ac44e6 at zfs_fuid_table_load+0x1f6 > #4 0xc5ac479e at zfs_fuid_init+0x14e > #5 0xc5ac4893 at zfs_fuid_find_by_idx+0xc3 > #6 0xc5ac48ed at zfs_fuid_map_id+0x2d > #7 0xc5ac492f at zfs_groupmember+0x2f > #8 0xc5adbdcb at zfs_zaccess_aces_check+0x1db > #9 0xc5adc257 at zfs_zaccess+0xb7 > #10 0xc5afa7d4 at zfs_freebsd_getattr+0x1f4 > #11 0xc0d69322 at VOP_GETATTR_APV+0x42 > #12 0xc0ab81c9 at vn_stat+0x79 > #13 0xc0aaefdd at kern_statat_vnhook+0xfd > #14 0xc0aaf1cc at kern_statat+0x3c > #15 0xc0aaf156 at kern_lstat+0x36 > #16 0xc0aaf1ff at sys_lstat+0x2f > #17 0xc0d49315 at syscall+0x355 > > Same trace as previously on 9.0. > > I'm following your advice to Karli and throwing some printfs into > zfs_fuid_table_load, I'll advise if I find anything enlightening. > > Thanks, > > Morgan > > On Sun, Feb 5, 2012 at 22:20, Andriy Gapon <a...@freebsd.org> wrote: >> >> Please see this thread: >> http://lists.freebsd.org/pipermail/freebsd-fs/2011-December/013215.html >> It looks like the same issue. >> The patch has been committed in head, not sure if it's MFCed. >> >> on 05/02/2012 06:57 Morgan Reed said the following: >>> Hi all, >>> >>> I'm experiencing an issue in migrating my NAS from OpenSolaris >>> over to FreeBSD, I've tried both releng_8_2 and releng_9 I have >>> similar issues in both cases. >>> >>> The pool is a RAID-Z pool comprising 4 1TB drives, it was originally >>> created on OpenSolaris (not sure what version, 2010.09 maybe, it was >>> one of the last ones prior to the Oracle acquisition), pool was a V14 >>> pool, initially I built a FreeBSD-8.2 system to migrate the pool to, >>> migrated it over OK, upgraded it from V14 to V15, but later testing >>> revealed something wasn't happy, when listing certain directories (and >>> even doing an ls -la at the root of the pool) resulted in a kernel >>> panic (Mostly GENERIC kernel, rebuilt with KVA_PAGES 512 but other >>> than that stock); >>> >>> panic: avl_find() succeeded inside avl_add() >>> cpuid = 0 >>> KDB: stack backtrace: >>> #0 0x808e0d07 at kdb_backtrace+0x47 >>> #1 0x808b1dc7 at panic+0x117 >>> #2 0x862e6602 at avl_add+0x52 >>> #3 0x8635c136 at zfs_fuid_table_load+0x1f6 >>> #4 0x8635c3ee at zfs_fuid_init+0x14e >>> #5 0x8635c4d7 at zfs_fuid_find_by_idx+0xb7 >>> #6 0x8635c52d at zfs_fuid_map_id+0x2d >>> #7 0x8635d56f at zfs_groupmember+0x2f >>> #8 0x8636df0b at zfs_zaccess_aces_check+0x1db >>> #9 0x8636377 at zfs_zaccess+0x57 >>> #10 0x8636d6fb at zfs_zaccess_rwx+0x3b >>> #11 0x86385f61 at zfs_freebsd_access+0xf1 >>> #12 0x80c02ea2 at VOP_ACCESS_APV+0x42 >>> #13 0x809457cf at change_dir+0x5f >>> #14 0x809467b1 at kern_chdir+0x81 >>> #15 0x80946a22 at chdir+0x22 >>> #16 0x808eca39 at syscallenter+0x329 >>> #17 0x80be4e14 at syscall+0x34 >>> >>> Looks like something in the permissions structure was causing grief, >>> tried running a scrub across the pool, didn't resolve the issue. >>> >>> After spending some time fighting with it I decided that it wasn't >>> worth the effort, and I upgraded to FreeBSD-9.0 to see if that would >>> assist (I normally avoid x.0 releases), once again pool imported fine, >>> however I was still seeing similar panics, ran a scrub across the >>> pool, still not happy, also upgraded the pool to v28 tried again, when >>> that failed I scrubbed again but still no joy. >>> >>> As a matter of interest I booted an OpenIndiana live CD and tried >>> copying the directories contents to another location, I am now able to >>> list the directories. However there are still issues. >>> >>> The issue seems to have shifted slightly, stack trace from a recent >>> panic is below (GENERIC kernel on 9.0-RELEASE); >>> >>> panic: avl_find() succeeded inside avl_add() >>> cpuid = 0 >>> KDB: stack backtrace: >>> #0 0xc0a4b157 at kdb_backtrace+0x47 >>> #1 0xc0a186b7 at panic+0x117 >>> #2 0xc5a2d7b2 at avl_add+0x52 >>> #3 0xc5ac44e6 at zfs_fuid_table_load+0x1f6 >>> #4 0xc5ac479e at zfs_fuid_init+0x14e >>> #5 0xc5ac4893 at zfs_fuid_find_by_idx+0xc3 >>> #6 0xc5ac48ed at zfs_fuid_map_id+0x2d >>> #7 0xc5ac492f at zfs_groupmember+0x2f >>> #8 0xc5adbdcb at zfs_zaccess_aces_check+0x1db >>> #9 0xc5adc257 at zfs_zaccess+0xb7 >>> #10 0xc5afa7d4 at zfs_freebsd_getattr+0x1f4 >>> #11 0xc0d69322 at VOP_GETATTR_APV+0x42 >>> #12 0xc0ab81c9 at vn_stat+0x79 >>> #13 0xc0aaefdd at kern_statat_vnhook+0xfd >>> #14 0xc0aaf1cc at kern_statat+0x3c >>> #15 0xc0aaf156 at kern_lstat+0x36 >>> #16 0xc0aaf1ff at sys_lstat+0x2f >>> #17 0xc0d49315 at syscall+0x355 >>> >>> This time it appears to be related to some extended attribute(s), I >>> can do an ls on one of the directories in question but an ls -la >>> causes a panic, so it would seem that it's some attribute which is >>> only shown in the long form of the ls output that is causing the >>> issue. >>> >>> I've done some digging around via the magic of google and this seems >>> to be a fairly common issue, but I've not found a solution for it >>> (barring copying the data off, recreating the pool and restoring the >>> data, I'd like to avoid this if at all possible. >>> >>> If I could determine what the problematic attribute was and a means to >>> strip it (be that from FreeBSD or from an OpenIndiana liveCD) I think >>> that will get me back up and running. >>> >>> If anybody can provide some suggestions as to what I may be able to do >>> to resolve this issue in situ I would be very grateful. >> >> >> >> -- >> Andriy Gapon > > > > -- > "They that can give up essential liberty to obtain a little temporary > safety deserve neither liberty nor safety." > -- Benjamin Franklin, 1759 -- "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." -- Benjamin Franklin, 1759 _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
