Date: Fri, 9 Aug 2013 00:09:08 +0200 From: Jeremie Le Hen <jlh@FreeBSD.org> To: freebsd-current@FreeBSD.org Subject: panic: excl->share in zfs Message-ID: <20130808220908.GA76693@caravan.chchile.org>
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Hi guys, I've just got a panic with: FreeBSD obiwan 10.0-CURRENT FreeBSD 10.0-CURRENT #21: Sun Jul 21 21:37:10 CEST 2013 root@obiwan:/usr/obj/usr/src/sys/OBIWAN amd64 I have a core around if needed. obiwan:/usr/src# svn info Path: . Working Copy Root Path: /usr/src URL: http://svn0.us-west.freebsd.org/base/head Repository Root: http://svn0.us-west.freebsd.org/base Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f Revision: 253515 Node Kind: directory Schedule: normal Last Changed Author: des Last Changed Rev: 253515 Last Changed Date: 2013-07-21 09:24:25 +0200 (Sun, 21 Jul 2013) ddb capture buffer db:0:kdb.enter.panic> run lockinfo db:1:lockinfo> show locks exclusive lockmgr zfs (zfs) r = 0 (0xfffffe0046ac4d50) locked @ /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c:1806 db:1:locks> show alllocks Process 29451 (git) thread 0xfffffe008bbc4000 (101227) exclusive lockmgr zfs (zfs) r = 0 (0xfffffe0046ac4d50) locked @ /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c:1806 Process 11062 (sshd) thread 0xfffffe008c59a490 (101159) exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffffe008c268e40) locked @ /usr/src/sys/kern/uipc_sockbuf.c:148 db:1:alllocks> show lockedvnods Locked vnodes db:0:kdb.enter.panic> show pcpu cpuid = 1 dynamic pcpu = 0xffffff807f417080 curthread = 0xfffffe008bbc4000: pid 29451 "git" curpcb = 0xffffff80e61d8cc0 fpcurthread = none idlethread = 0xfffffe0009693490: tid 100004 "idle: cpu1" curpmap = 0xfffffe000969a138 tssp = 0xffffffff8108e2f8 commontssp = 0xffffffff8108e2f8 rsp0 = 0xffffff80e61d8cc0 gs32p = 0xffffffff8108fd50 ldt = 0xffffffff8108fd90 tss = 0xffffffff8108fd80 spin locks held: db:0:kdb.enter.panic> bt Tracing pid 29451 tid 101227 td 0xfffffe008bbc4000 kdb_enter() at kdb_enter+0x3e/frame 0xffffff80e61d7d10 vpanic() at vpanic+0x146/frame 0xffffff80e61d7d50 kassert_panic() at kassert_panic+0x136/frame 0xffffff80e61d7dc0 witness_checkorder() at witness_checkorder+0x327/frame 0xffffff80e61d7e50 __lockmgr_args() at __lockmgr_args+0x456/frame 0xffffff80e61d7f80 vop_stdlock() at vop_stdlock+0x3c/frame 0xffffff80e61d7fa0 VOP_LOCK1_APV() at VOP_LOCK1_APV+0xf5/frame 0xffffff80e61d7fd0 _vn_lock() at _vn_lock+0xab/frame 0xffffff80e61d8040 zfs_lookup() at zfs_lookup+0x395/frame 0xffffff80e61d80d0 zfs_freebsd_lookup() at zfs_freebsd_lookup+0x6d/frame 0xffffff80e61d8210 VOP_CACHEDLOOKUP_APV() at VOP_CACHEDLOOKUP_APV+0xea/frame 0xffffff80e61d8240 vfs_cache_lookup() at vfs_cache_lookup+0xcf/frame 0xffffff80e61d8290 VOP_LOOKUP_APV() at VOP_LOOKUP_APV+0xea/frame 0xffffff80e61d82c0 null_lookup() at null_lookup+0x8b/frame 0xffffff80e61d8330 VOP_LOOKUP_APV() at VOP_LOOKUP_APV+0xea/frame 0xffffff80e61d8360 lookup() at lookup+0x590/frame 0xffffff80e61d83f0 namei() at namei+0x464/frame 0xffffff80e61d84a0 vn_open_cred() at vn_open_cred+0x28f/frame 0xffffff80e61d85f0 vop_stdvptocnp() at vop_stdvptocnp+0x1a4/frame 0xffffff80e61d8920 null_vptocnp() at null_vptocnp+0x2b/frame 0xffffff80e61d8980 VOP_VPTOCNP_APV() at VOP_VPTOCNP_APV+0xf0/frame 0xffffff80e61d89b0 vn_vptocnp_locked() at vn_vptocnp_locked+0x118/frame 0xffffff80e61d8a20 vn_fullpath1() at vn_fullpath1+0x1ca/frame 0xffffff80e61d8a80 kern___getcwd() at kern___getcwd+0xd6/frame 0xffffff80e61d8ae0 amd64_syscall() at amd64_syscall+0x265/frame 0xffffff80e61d8bf0 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xffffff80e61d8bf0 --- syscall (326, FreeBSD ELF64, sys___getcwd), rip = 0x8016ad99c, rsp = 0x7fffffffd848, rbp = 0x76cd20 --- -- Jeremie Le Hen Scientists say the world is made up of Protons, Neutrons and Electrons. They forgot to mention Morons.
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