[Bug 236220] ZFS vnode deadlock on zfs_mknode
bugzilla-noreply at freebsd.org
bugzilla-noreply at freebsd.org
Tue Mar 12 02:35:19 UTC 2019
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236220
--- Comment #12 from ncrogers at gmail.com ---
(In reply to Andriy Gapon from comment #11)
It does seems like it may be a different issue, however definitely started
happening after enabling invariants and seems to take about as long as the
deadlock issue to manifest.
Here is the requested info:
(kgdb) fr 6
#6 0xffffffff803f094b in dbuf_create (dn=0xfffff8015f77a770,
level=0 '\000', blkid=18446744073709551615,
parent=0xfffff80296803c60, blkptr=0x0)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:2540
2540 ASSERT(dn->dn_type != DMU_OT_NONE);
(kgdb) print *dn
$2 = {dn_struct_rwlock = {lock_object = {
lo_name = 0xffffffff814ada70 "dn->dn_struct_rwlock",
lo_flags = 40960000, lo_data = 0, lo_witness = 0x0},
sx_lock = 18446735277813228928}, dn_link = {
list_next = 0xfffff8026c5973d8, list_prev = 0xfffff8018f9cbb48},
dn_objset = 0xfffff8000b72c400, dn_object = 33262,
dn_dbuf = 0xfffff80296803c60, dn_handle = 0xfffff802edef9520,
dn_phys = 0xfffffe01c6fd1c00, dn_type = DMU_OT_NONE, dn_bonuslen = 168,
dn_bonustype = 44 ',', dn_nblkptr = 1 '\001', dn_checksum = 0 '\000',
dn_compress = 0 '\000', dn_nlevels = 1 '\001',
dn_indblkshift = 17 '\021', dn_datablkshift = 0 '\000',
dn_moved = 0 '\000', dn_datablkszsec = 7, dn_datablksz = 3584,
dn_maxblkid = 0, dn_next_type = "\000\000\000",
dn_num_slots = 1 '\001', dn_next_nblkptr = "\000\000\000",
dn_next_nlevels = "\000\000\000", dn_next_indblkshift = "\000\000\000",
dn_next_bonustype = "\000\000\000", dn_rm_spillblk = "\000\000\000",
dn_next_bonuslen = {0, 0, 0, 0}, dn_next_blksz = {0, 0, 0, 0},
dn_dbufs_count = 0, dn_dirty_link = {{list_next = 0x0,
list_prev = 0x0}, {list_next = 0xfffff803bbf774e0,
list_prev = 0xfffff8034a965830}, {list_next = 0x0,
list_prev = 0x0}, {list_next = 0x0, list_prev = 0x0}}, dn_mtx = {
lock_object = {lo_name = 0xffffffff81488d05 "dn->dn_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
dn_dirty_records = {{list_size = 344, list_offset = 0, list_head = {
list_next = 0xfffff8015f77a890, list_prev = 0xfffff8015f77a890}},
{list_size = 344, list_offset = 0, list_head = {
list_next = 0xfffff8015f77a8b0, list_prev = 0xfffff8015f77a8b0}},
{list_size = 344, list_offset = 0, list_head = {
list_next = 0xfffff8015f77a8d0, list_prev = 0xfffff8015f77a8d0}},
{list_size = 344, list_offset = 0, list_head = {
list_next = 0xfffff8015f77a8f0,
list_prev = 0xfffff8015f77a8f0}}}, dn_free_ranges = {0x0, 0x0,
0x0, 0x0}, dn_allocated_txg = 0, dn_free_txg = 0,
dn_assigned_txg = 0, dn_notxholds = {
cv_description = 0xffffffff814ba0a4 "dn->dn_notxholds",
cv_waiters = 0}, dn_dirtyctx = DN_DIRTY_OPEN,
dn_dirtyctx_firstset = 0xfffff8038681d070
"\336\300\255\336\336\300\255\336\360G\305\201\377\377\377\377\336\300\255\336\336\300\255\336\360G\305\201\377\377\377\377\336\300\255\336\336\300\255\336\360G\305\201\377\377\377\377\336\300\255\336\336\300\255\336\360G\305\201\377\377\377\377\336\300\255\336\336\300\255\336\360G\305\201\377\377\377\377\336\300\255\336\336\300\255\336\360G\305\201\377\377\377\377\336\300\255\336\336\300\255\336\360G\305\201\377\377\377\377\336\300\255\336\336\300\255\336\360G\305\201\377\377\377\377\336\300\255\336\336\300\255\336\360G\305\201\377\377\377\377\336\300\255\336\336\300\255\336\360G\305\201\377\377\377\377\336\300\255\336\336\300\255\336\360G\305\201\377\377\377\377\336\300\255\336\336\300\255\336\3--Type
<RET> for more, q to quit, c to continue without paging--
60G\305\201\377\377\377\377\336\300\255\336\336\300\255\336"...,
dn_tx_holds = {rc_mtx = {lock_object = {
lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags = 577830912,
lo_data = 0, lo_witness = 0x0}, sx_lock = 1}, rc_tracked = 0,
rc_list = {list_size = 40, list_offset = 0, list_head = {
list_next = 0xfffff8015f77a990, list_prev = 0xfffff8015f77a990}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {
list_next = 0xfffff8015f77a9b0, list_prev = 0xfffff8015f77a9b0}},
rc_count = 0, rc_removed_count = 0}, dn_holds = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0},
sx_lock = 1}, rc_tracked = 0, rc_list = {list_size = 40,
list_offset = 0, list_head = {list_next = 0xfffff8015f77aa08,
list_prev = 0xfffff8015f77aa08}}, rc_removed = {list_size = 40,
list_offset = 0, list_head = {list_next = 0xfffff8015f77aa28,
list_prev = 0xfffff8015f77aa28}}, rc_count = 2,
rc_removed_count = 0}, dn_dbufs_mtx = {lock_object = {
lo_name = 0xffffffff814404f1 "dn->dn_dbufs_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
dn_dbufs = {avl_root = 0x0,
avl_compar = 0xffffffff80414810 <dbuf_compare>, avl_offset = 288,
avl_numnodes = 0, avl_size = 352}, dn_bonus = 0x0, dn_have_spill = 0,
dn_zio = 0xfffff8024a314000, dn_oldused = 0, dn_oldflags = 0,
dn_olduid = 0, dn_oldgid = 0, dn_newuid = 70, dn_newgid = 70,
dn_id_flags = 13, dn_zfetch = {zf_rwlock = {lock_object = {
lo_name = 0xffffffff813ec741 "zf->zf_rwlock",
lo_flags = 40960000, lo_data = 0, lo_witness = 0x0},
sx_lock = 1}, zf_stream = {list_size = 80, list_offset = 64,
list_head = {list_next = 0xfffff8015f77ab10,
list_prev = 0xfffff8015f77ab10}}, zf_dnode = 0xfffff8015f77a770}}
(kgdb) print *parent
$3 = {db = {db_object = 0, db_offset = 17022976, db_size = 16384,
db_data = 0xfffffe01c6fd0000}, db_objset = 0xfffff8000b72c400,
db_dnode_handle = 0xfffff8000b72c420, db_parent = 0xfffff800743a9000,
db_hash_next = 0x0, db_blkid = 1039, db_blkptr = 0xfffffe017b400780,
db_level = 0 '\000', db_mtx = {lock_object = {
lo_name = 0xffffffff81427def "db->db_mtx", lo_flags = 577830912,
lo_data = 0, lo_witness = 0x0}, sx_lock = 1}, db_state = DB_CACHED,
db_holds = {rc_mtx = {lock_object = {
lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags = 577830912,
lo_data = 0, lo_witness = 0x0}, sx_lock = 1}, rc_tracked = 0,
rc_list = {list_size = 40, list_offset = 0, list_head = {
list_next = 0xfffff80296803d18, list_prev = 0xfffff80296803d18}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {
list_next = 0xfffff80296803d38, list_prev = 0xfffff80296803d38}},
rc_count = 19, rc_removed_count = 0}, db_buf = 0xfffff80225c1de00,
db_changed = {cv_description = 0xffffffff8138c10b "db->db_changed",
cv_waiters = 0}, db_data_pending = 0xfffff80449928000,
db_last_dirty = 0xfffff80449928000, db_link = {avl_child = {
0xfffff802abcc6ee0, 0xfffff8030efbfc20},
avl_pcb = 18446735290778607909}, db_cache_link = {list_next = 0x0,
list_prev = 0x0}, db_caching_status = DB_NO_CACHE,
db_user = 0xfffff802edef9000, db_user_immediate_evict = 0 '\000',
db_freed_in_flight = 0 '\000', db_pending_evict = 0 '\000',
db_dirtycnt = 1 '\001'}
(kgdb) fr 9
#9 0xffffffff804cde29 in zfs_zget (zfsvfs=0xfffffe008ea28000, obj_num=33262,
zpp=0xfffffe00b77c56c0)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c:1137
1137 err = sa_buf_hold(zfsvfs->z_os, obj_num, NULL, &db);
(kgdb) print *zfsvfs
$4 = {z_vfs = 0xfffff800133fd000, z_parent = 0xfffffe008ea28000, z_os =
0xfffff8000b72c400, z_root = 4, z_rootvnode = 0xfffff8001340eb40,
z_rootvnodelock = {lock_object = {lo_name = 0xffffffff814594a9 "zfs root
vnode lock", lo_flags = 50528256, lo_data = 0, lo_witness = 0x0},
rm_writecpus = {__bits = {0, 0, 0, 0}}, rm_activeReaders = {lh_first =
0x0}, _rm_lock = {_rm_wlock_object = {
lo_name = 0xffffffff814594a9 "zfs root vnode lock", lo_flags =
16842752, lo_data = 0, lo_witness = 0x0}, _rm_lock_mtx = {lock_object = {
lo_name = 0xffffffff814594a9 "zfs root vnode lock", lo_flags =
16842752, lo_data = 0, lo_witness = 0x0}, mtx_lock = 0}, _rm_lock_sx = {
lock_object = {lo_name = 0xffffffff814594a9 "zfs root vnode lock",
lo_flags = 16842752, lo_data = 0, lo_witness = 0x0}, sx_lock = 0}}},
z_unlinkedobj = 3, z_max_blksz = 16384, z_fuid_obj = 0, z_fuid_size = 0,
z_fuid_idx = {avl_root = 0x0, avl_compar = 0x0, avl_offset = 0,
avl_numnodes = 0, avl_size = 0}, z_fuid_domain = {avl_root = 0x0,
avl_compar = 0x0, avl_offset = 0, avl_numnodes = 0, avl_size = 0},
z_fuid_lock = {lock_object = {lo_name = 0xffffffff81496098
"zfsvfs->z_fuid_lock", lo_flags = 40960000, lo_data = 0, lo_witness = 0x0},
sx_lock = 1},
z_fuid_loaded = 0, z_fuid_dirty = 0, z_fuid_replay = 0x0, z_log =
0xfffff80003b09800, z_acl_mode = 0, z_acl_inherit = 4,
z_case = ZFS_CASE_SENSITIVE, z_utf8 = 0, z_norm = 0, z_atime = 0, z_unmounted
= 0, z_teardown_lock = {locks = {{rr_lock = {lock_object = {
lo_name = 0xffffffff813bcb70 "rrl->rr_lock", lo_flags = 577830912,
lo_data = 0, lo_witness = 0x0}, sx_lock = 1}, rr_cv = {
cv_description = 0xffffffff8141c850 "rrl->rr_cv", cv_waiters = 0},
rr_writer = 0x0, rr_anon_rcount = {rc_mtx = {lock_object = {
lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags = 577830912,
lo_data = 0, lo_witness = 0x0}, sx_lock = 1}, rc_tracked = 0,
rc_list = {list_size = 40, list_offset = 0, list_head = {list_next =
0xfffffe008ea281c0, list_prev = 0xfffffe008ea281c0}}, rc_removed = {
list_size = 40, list_offset = 0, list_head = {list_next =
0xfffffe008ea281e0, list_prev = 0xfffffe008ea281e0}}, rc_count = 1,
rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {lock_object =
{lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags = 577830912,
lo_data = 0, lo_witness = 0x0}, sx_lock = 1}, rc_tracked = 0,
rc_list = {list_size = 40, list_offset = 0, list_head = {
list_next = 0xfffffe008ea28238, list_prev = 0xfffffe008ea28238}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {
list_next = 0xfffffe008ea28258, list_prev = 0xfffffe008ea28258}},
rc_count = 0, rc_removed_count = 0}, rr_writer_wanted = 0,
rr_track_all = 0}, {rr_lock = {lock_object = {lo_name =
0xffffffff813bcb70 "rrl->rr_lock", lo_flags = 577830912, lo_data = 0,
lo_witness = 0x0}, sx_lock = 1}, rr_cv = {cv_description =
0xffffffff8141c850 "rrl->rr_cv", cv_waiters = 0}, rr_writer = 0x0,
rr_anon_rcount = {rc_mtx = {lock_object = {lo_name = 0xffffffff814893e6
"rc->rc_mtx", lo_flags = 577830912, lo_data = 0, lo_witness = 0x0},
sx_lock = 1}, rc_tracked = 0, rc_list = {list_size = 40,
list_offset = 0, list_head = {list_next = 0xfffffe008ea282f0,
list_prev = 0xfffffe008ea282f0}}, rc_removed = {list_size = 40,
list_offset = 0, list_head = {list_next = 0xfffffe008ea28310,
list_prev = 0xfffffe008ea28310}}, rc_count = 0, rc_removed_count
= 0}, rr_linked_rcount = {rc_mtx = {lock_object = {
lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags = 577830912,
lo_data = 0, lo_witness = 0x0}, sx_lock = 1}, rc_tracked = 0,
rc_list = {list_size = 40, list_offset = 0, list_head = {list_next =
0xfffffe008ea28368, list_prev = 0xfffffe008ea28368}}, rc_removed = {
list_size = 40, list_offset = 0, list_head = {list_next =
0xfffffe008ea28388, list_prev = 0xfffffe008ea28388}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea28420, list_prev =
0xfffffe008ea28420}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea28440, list_prev = 0xfffffe008ea28440}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea28498, list_prev = 0xfffffe008ea28498}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea284b8, list_prev = 0xfffffe008ea284b8}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea28550, list_prev =
0xfffffe008ea28550}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
--Type <RET> for more, q to quit, c to continue without paging--
list_next = 0xfffffe008ea28570, list_prev = 0xfffffe008ea28570}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea285c8, list_prev = 0xfffffe008ea285c8}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea285e8, list_prev = 0xfffffe008ea285e8}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea28680, list_prev =
0xfffffe008ea28680}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea286a0, list_prev = 0xfffffe008ea286a0}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea286f8, list_prev = 0xfffffe008ea286f8}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea28718, list_prev = 0xfffffe008ea28718}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea287b0, list_prev =
0xfffffe008ea287b0}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea287d0, list_prev = 0xfffffe008ea287d0}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea28828, list_prev = 0xfffffe008ea28828}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea28848, list_prev = 0xfffffe008ea28848}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea288e0, list_prev =
0xfffffe008ea288e0}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea28900, list_prev = 0xfffffe008ea28900}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea28958, list_prev = 0xfffffe008ea28958}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea28978, list_prev = 0xfffffe008ea28978}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea28a10, list_prev =
0xfffffe008ea28a10}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea28a30, list_prev = 0xfffffe008ea28a30}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea28a88, list_prev = 0xfffffe008ea28a88}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea28aa8, list_prev = 0xfffffe008ea28aa8}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
--Type <RET> for more, q to quit, c to continue without paging--
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea28b40, list_prev =
0xfffffe008ea28b40}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea28b60, list_prev = 0xfffffe008ea28b60}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea28bb8, list_prev = 0xfffffe008ea28bb8}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea28bd8, list_prev = 0xfffffe008ea28bd8}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea28c70, list_prev =
0xfffffe008ea28c70}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea28c90, list_prev = 0xfffffe008ea28c90}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea28ce8, list_prev = 0xfffffe008ea28ce8}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea28d08, list_prev = 0xfffffe008ea28d08}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea28da0, list_prev =
0xfffffe008ea28da0}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea28dc0, list_prev = 0xfffffe008ea28dc0}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea28e18, list_prev = 0xfffffe008ea28e18}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea28e38, list_prev = 0xfffffe008ea28e38}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea28ed0, list_prev =
0xfffffe008ea28ed0}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea28ef0, list_prev = 0xfffffe008ea28ef0}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea28f48, list_prev = 0xfffffe008ea28f48}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea28f68, list_prev = 0xfffffe008ea28f68}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea29000, list_prev =
0xfffffe008ea29000}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea29020, list_prev = 0xfffffe008ea29020}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea29078, list_prev = 0xfffffe008ea29078}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea29098, list_prev = 0xfffffe008ea29098}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
--Type <RET> for more, q to quit, c to continue without paging--
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea29130, list_prev =
0xfffffe008ea29130}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea29150, list_prev = 0xfffffe008ea29150}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea291a8, list_prev = 0xfffffe008ea291a8}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea291c8, list_prev = 0xfffffe008ea291c8}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea29260, list_prev =
0xfffffe008ea29260}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea29280, list_prev = 0xfffffe008ea29280}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea292d8, list_prev = 0xfffffe008ea292d8}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea292f8, list_prev = 0xfffffe008ea292f8}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea29390, list_prev =
0xfffffe008ea29390}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea293b0, list_prev = 0xfffffe008ea293b0}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea29408, list_prev = 0xfffffe008ea29408}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea29428, list_prev = 0xfffffe008ea29428}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0},
{rr_lock = {lock_object = {lo_name = 0xffffffff813bcb70 "rrl->rr_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rr_cv = {cv_description = 0xffffffff8141c850 "rrl->rr_cv",
cv_waiters = 0}, rr_writer = 0x0, rr_anon_rcount = {rc_mtx =
{lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock =
1}, rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0,
list_head = {list_next = 0xfffffe008ea294c0, list_prev =
0xfffffe008ea294c0}}, rc_removed = {list_size = 40, list_offset = 0, list_head
= {
list_next = 0xfffffe008ea294e0, list_prev = 0xfffffe008ea294e0}},
rc_count = 0, rc_removed_count = 0}, rr_linked_rcount = {rc_mtx = {
lock_object = {lo_name = 0xffffffff814893e6 "rc->rc_mtx", lo_flags
= 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
rc_tracked = 0, rc_list = {list_size = 40, list_offset = 0, list_head
= {list_next = 0xfffffe008ea29538, list_prev = 0xfffffe008ea29538}},
rc_removed = {list_size = 40, list_offset = 0, list_head = {list_next
= 0xfffffe008ea29558, list_prev = 0xfffffe008ea29558}}, rc_count = 0,
rc_removed_count = 0}, rr_writer_wanted = 0, rr_track_all = 0}}},
z_teardown_inactive_lock = {lock_object = {
lo_name = 0xffffffff81441592 "zfsvfs->z_teardown_inactive_lock", lo_flags
= 40960000, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
z_all_znodes = {list_size = 272, list_offset = 240, list_head = {list_next =
0xfffff8000ba58420, list_prev = 0xfffff8006add8ca0}}, z_znodes_lock = {
lock_object = {lo_name = 0xffffffff81489faa "zfsvfs->z_znodes_lock",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1},
z_ctldir = 0xfffff8000ba05400, z_show_ctldir = 0, z_issnap = 0, z_vscan = 0,
z_use_fuids = 1, z_replay = 0, z_use_sa = 1, z_use_namecache = 1,
z_version = 5, z_shares_dir = 7, z_lock = {lock_object = {lo_name =
0xffffffff8138ce8d "zfsvfs->z_lock", lo_flags = 577830912, lo_data = 0,
lo_witness = 0x0}, sx_lock = 1}, z_userquota_obj = 0, z_groupquota_obj =
0, z_replay_eof = 0, z_attr_table = 0xfffff80013351b00, z_hold_mtx = {{
lock_object = {lo_name = 0xffffffff81429501 "zfsvfs->z_hold_mtx[i]",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0},
--Type <RET> for more, q to quit, c to continue without paging--
sx_lock = 1} <repeats 46 times>, {lock_object = {lo_name =
0xffffffff81429501 "zfsvfs->z_hold_mtx[i]", lo_flags = 577830912, lo_data = 0,
lo_witness = 0x0}, sx_lock = 18446735277813228928}, {lock_object =
{lo_name = 0xffffffff81429501 "zfsvfs->z_hold_mtx[i]",
lo_flags = 577830912, lo_data = 0, lo_witness = 0x0}, sx_lock = 1}
<repeats 17 times>}, z_unlinked_drain_task = {ta_link = {stqe_next = 0x0},
ta_pending = 0, ta_priority = 0, ta_func = 0xffffffff804bdcd0
<zfsvfs_task_unlinked_drain>, ta_context = 0xfffffe008ea28000}}
(kgdb) print *zfsvfs->z_vfs
$5 = {mnt_mtx = {lock_object = {lo_name = 0xffffffff81393043 "struct mount
mtx", lo_flags = 16973824, lo_data = 0, lo_witness = 0x0}, mtx_lock = 0},
mnt_gen = 1, mnt_list = {tqe_next = 0xfffff8001343a000, tqe_prev =
0xfffff800133fe028}, mnt_op = 0xffffffff81c64dc8 <zfs_vfsops>,
mnt_vfc = 0xffffffff81c64f18 <zfs_vfsconf>, mnt_vnodecovered =
0xfffff8001340ed20, mnt_syncer = 0xfffff8001340e960, mnt_ref = 896,
mnt_nvnodelist = {tqh_first = 0xfffff8001340eb40, tqh_last =
0xfffff80137ee83e0}, mnt_nvnodelistsize = 896, mnt_writeopcount = 0,
mnt_kern_flag = 1073742272, mnt_flag = 268439568, mnt_opt =
0xfffff8000ba57e10, mnt_optnew = 0x0, mnt_maxsymlinklen = 0, mnt_stat = {
f_version = 538182936, f_type = 222, f_flags = 268439568, f_bsize = 512,
f_iosize = 16384, f_blocks = 404148032, f_bfree = 390589344,
f_bavail = 390589344, f_files = 390593281, f_ffree = 390589344,
f_syncwrites = 0, f_asyncwrites = 0, f_syncreads = 0, f_asyncreads = 0,
f_spare = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, f_namemax = 255, f_owner = 0,
f_fsid = {val = {-901290623, -1775448610}},
f_charspare = '\000' <repeats 79 times>, f_fstypename = "zfs", '\000'
<repeats 12 times>,
f_mntfromname = "zroot/space/pgsql", '\000' <repeats 1006 times>,
f_mntonname = "/space/pgsql", '\000' <repeats 1011 times>},
mnt_cred = 0xfffff800133ef900, mnt_data = 0xfffffe008ea28000, mnt_time = 0,
mnt_iosize_max = 65536, mnt_export = 0x0, mnt_label = 0x0,
mnt_hashseed = 127686091, mnt_lockref = 0, mnt_secondary_writes = 0,
mnt_secondary_accwrites = 0, mnt_susp_owner = 0x0, mnt_gjprovider = 0x0,
mnt_listmtx = {lock_object = {lo_name = 0xffffffff8142f7e7 "struct mount
vlist mtx", lo_flags = 16973824, lo_data = 0, lo_witness = 0x0},
mtx_lock = 0}, mnt_activevnodelist = {tqh_first = 0xfffff802882ebb40,
tqh_last = 0xfffff8001340ec00}, mnt_activevnodelistsize = 438,
mnt_tmpfreevnodelist = {tqh_first = 0xfffff800244071e0, tqh_last =
0xfffff803c87a82a0}, mnt_tmpfreevnodelistsize = 11, mnt_explock = {
lock_object = {lo_name = 0xffffffff81469cce "explock", lo_flags =
108199936, lo_data = 0, lo_witness = 0x0}, lk_lock = 1, lk_exslpfail = 0,
lk_timo = 0, lk_pri = 96}, mnt_upper_link = {tqe_next = 0x0, tqe_prev =
0x0}, mnt_uppers = {tqh_first = 0x0, tqh_last = 0xfffff800133fdaa8}}
(kgdb)
courtland# zdb -dddd zroot/space/pgsql 33262
Dataset zroot/space/pgsql [ZPL], ID 184, cr_txg 37, 6.37G, 3905 objects, rootbp
DVA[0]=<0:95f64f000:1000> DVA[1]=<0:11e4fbc000:1000> [L0 DMU objset] fletcher4
uncompressed LE contiguous unique double size=800L/800P birth=925624L/925624P
fill=3905 cksum=d3563dce4:eed0e01cca3:a72f616c79c87:5770ae867335855
Object lvl iblk dblk dsize dnsize lsize %full type
zdb: dmu_bonus_hold(33262) failed, errno 2
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