Date: Fri, 19 Sep 2014 11:46:57 -0500 From: Bryan Drewery <bdrewery@FreeBSD.org> To: FreeBSD FS <freebsd-fs@FreeBSD.org> Subject: ZFS deadlock in zfs_lookup/zfs_dirent_lock on head r271170 Message-ID: <541C5E01.9050609@FreeBSD.org>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --AovFtsMAopsf2pnHgGh8EofEDRv3pS57s Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable rename is: https://people.freebsd.org/~bdrewery/rename.c All files are in the same mountpoint. > # ps uaxwww|egrep "(rm|rename)" > root 96901 0.0 0.0 12300 1948 2 D+ 11:01AM 0:00.00 rm -= rf /poudriere/data/.m/exp-head-commit-test-devel/ref/.p/cleaning/deps/py2= 7-PasteScript-1.7.5_2 > root 96903 0.0 0.0 8196 1912 2 D+ 11:01AM 0:00.00 rena= me /poudriere/data/.m/exp-head-commit-test-devel/ref/.p/deps/py27-PasteDe= ploy-1.5.0_1 /poudriere/data/.m/exp-head-commit-test-devel/ref/.p/cleanin= g/deps/py27-PasteDeploy-1.5.0_1 > root 3720 0.0 0.0 8196 1912 3 D+ 11:05AM 0:00.00 ./re= name /poudriere/data/.m/exp-head-commit-test-devel/ref/.p/deps/py27-Paste= Deploy-1.5.0_1 /poudriere/data/.m/exp-head-commit-test-devel/ref/.p/clean= ing/deps/py27-PasteDeploy-1.5.0_1 >=20 > # procstat -kka|egrep "(96901|96903|3720)" > 3720 100969 rename - mi_switch+0x179 sleepq_s= witch+0x152 sleepq_wait+0x43 _cv_wait+0x1da zfs_dirent_lock+0x212 zfs_dir= look+0x1b0 zfs_lookup+0x223 zfs_freebsd_lookup+0x91 VOP_CACHEDLOOKUP_APV+= 0xf1 vfs_cache_lookup+0xd6 VOP_LOOKUP_APV+0xf1 lookup+0x5ad namei+0x4e4 k= ern_renameat+0x95 filemon_wrapper_rename+0x19 amd64_syscall+0x25a Xfast_s= yscall+0xfb > 96901 101213 rm - mi_switch+0x179 sleepq_s= witch+0x152 sleepq_wait+0x43 sleeplk+0x14a __lockmgr_args+0x862 vop_stdlo= ck+0x3c VOP_LOCK1_APV+0xfc _vn_lock+0xaa zfs_lookup+0x462 zfs_freebsd_loo= kup+0x91 VOP_CACHEDLOOKUP_APV+0xf1 vfs_cache_lookup+0xd6 VOP_LOOKUP_APV+0= xf1 lookup+0x5ad namei+0x4e4 kern_statat_vnhook+0xae sys_fstatat+0x2c amd= 64_syscall+0x25a > 96903 101290 rename - mi_switch+0x179 sleepq_s= witch+0x152 sleepq_wait+0x43 sleeplk+0x14a __lockmgr_args+0xea1 vop_stdlo= ck+0x3c VOP_LOCK1_APV+0xfc _vn_lock+0xaa vputx+0x232 zfs_rename_unlock+0x= 78 zfs_freebsd_rename+0xfbb VOP_RENAME_APV+0xfc kern_renameat+0x3ef filem= on_wrapper_rename+0x19 amd64_syscall+0x25a Xfast_syscall+0xfb >=20 > # procstat -kka|grep zfs > 0 100698 kernel zfs_vn_rele_task mi_switch+0x179 sleepq_s= witch+0x152 sleepq_wait+0x43 _sleep+0x366 taskqueue_thread_loop+0xc8 fork= _exit+0x84 fork_trampoline+0xe > 3 100159 zfskern arc_reclaim_thre mi_switch+0x179 sleepq_s= witch+0x152 sleepq_timedwait+0x43 _cv_timedwait_sbt+0x200 arc_reclaim_thr= ead+0x2de fork_exit+0x84 fork_trampoline+0xe > 3 100160 zfskern l2arc_feed_threa mi_switch+0x179 sleepq_s= witch+0x152 sleepq_timedwait+0x43 _cv_timedwait_sbt+0x200 l2arc_feed_thre= ad+0x1d8 fork_exit+0x84 fork_trampoline+0xe > 3 100681 zfskern trim zroot mi_switch+0x179 sleepq_s= witch+0x152 sleepq_timedwait+0x43 _cv_timedwait_sbt+0x200 trim_thread+0x9= e fork_exit+0x84 fork_trampoline+0xe > 3 100715 zfskern txg_thread_enter mi_switch+0x179 sleepq_s= witch+0x152 sleepq_wait+0x43 _cv_wait+0x1da txg_thread_wait+0x9b txg_quie= sce_thread+0x420 fork_exit+0x84 fork_trampoline+0xe > 3 100716 zfskern txg_thread_enter mi_switch+0x179 sleepq_s= witch+0x152 sleepq_wait+0x43 _cv_wait+0x1da zio_wait+0x9b dsl_pool_sync+0= x35c spa_sync+0x530 txg_sync_thread+0x24d fork_exit+0x84 fork_trampoline+= 0xe > 3720 100969 rename - mi_switch+0x179 sleepq_s= witch+0x152 sleepq_wait+0x43 _cv_wait+0x1da zfs_dirent_lock+0x212 zfs_dir= look+0x1b0 zfs_lookup+0x223 zfs_freebsd_lookup+0x91 VOP_CACHEDLOOKUP_APV+= 0xf1 vfs_cache_lookup+0xd6 VOP_LOOKUP_APV+0xf1 lookup+0x5ad namei+0x4e4 k= ern_renameat+0x95 filemon_wrapper_rename+0x19 amd64_syscall+0x25a Xfast_s= yscall+0xfb > 96901 101213 rm - mi_switch+0x179 sleepq_s= witch+0x152 sleepq_wait+0x43 sleeplk+0x14a __lockmgr_args+0x862 vop_stdlo= ck+0x3c VOP_LOCK1_APV+0xfc _vn_lock+0xaa zfs_lookup+0x462 zfs_freebsd_loo= kup+0x91 VOP_CACHEDLOOKUP_APV+0xf1 vfs_cache_lookup+0xd6 VOP_LOOKUP_APV+0= xf1 lookup+0x5ad namei+0x4e4 kern_statat_vnhook+0xae sys_fstatat+0x2c amd= 64_syscall+0x25a > 96903 101290 rename - mi_switch+0x179 sleepq_s= witch+0x152 sleepq_wait+0x43 sleeplk+0x14a __lockmgr_args+0xea1 vop_stdlo= ck+0x3c VOP_LOCK1_APV+0xfc _vn_lock+0xaa vputx+0x232 zfs_rename_unlock+0x= 78 zfs_freebsd_rename+0xfbb VOP_RENAME_APV+0xfc kern_renameat+0x3ef filem= on_wrapper_rename+0x19 amd64_syscall+0x25a Xfast_syscall+0xfb --=20 Regards, Bryan Drewery --AovFtsMAopsf2pnHgGh8EofEDRv3pS57s Content-Type: application/pgp-signature; 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