Date: Tue, 24 May 2016 19:35:35 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-fs@FreeBSD.org Subject: [Bug 209158] node / npm triggering zfs rename deadlock Message-ID: <bug-209158-3630-DSDr95kxfc@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-209158-3630@https.bugs.freebsd.org/bugzilla/> References: <bug-209158-3630@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D209158 --- Comment #13 from Doug Luce <doug@freebsd.con.com> --- Running the patch give me this on bootup: kernel: lock order reversal: kernel: 1st 0xfffffe00f766fba0 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:3512 kernel: 2nd 0xfffff800141e0200 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:281 kernel: stack backtrace: kernel: #0 0xffffffff80a76bc3 at witness_debugger+0x73 kernel: #1 0xffffffff80a76ac3 at witness_checkorder+0xea3 kernel: #2 0xffffffff80a21cc5 at _sx_xlock+0x75 kernel: #3 0xffffffff80cd5ded at ufsdirhash_move+0x3d kernel: #4 0xffffffff80cd831d at ufs_direnter+0x35d kernel: #5 0xffffffff80ce08a1 at ufs_mkdir+0x8b1 kernel: #6 0xffffffff80fd2e67 at VOP_MKDIR_APV+0xf7 kernel: #7 0xffffffff80ae3b09 at kern_mkdirat+0x209 kernel: #8 0xffffffff80e7d2ae at amd64_syscall+0x2de kernel: #9 0xffffffff80e5da1b at Xfast_syscall+0xfb A bit later on: kernel: acquiring duplicate lock of same type: "kqueue" kernel: 1st kqueue @ /usr/src/sys/kern/kern_event.c:2026 kernel: 2nd kqueue @ /usr/src/sys/kern/subr_taskqueue.c:282 kernel: stack backtrace: kernel: #0 0xffffffff80a76bc3 at witness_debugger+0x73 kernel: #1 0xffffffff80a76ac3 at witness_checkorder+0xea3 kernel: #2 0xffffffff809fb2b8 at __mtx_lock_flags+0xa8 kernel: #3 0xffffffff80a6945f at taskqueue_enqueue+0x3f kernel: #4 0xffffffff809d04f9 at knote_enqueue+0x119 kernel: #5 0xffffffff809d28c1 at knote+0x1c1 kernel: #6 0xffffffff80ad9843 at vop_rename_post+0x143 kernel: #7 0xffffffff80fd2d3b at VOP_RENAME_APV+0x13b kernel: #8 0xffffffff80ae3896 at kern_renameat+0x4a6 kernel: #9 0xffffffff80e7d2ae at amd64_syscall+0x2de kernel: #10 0xffffffff80e5da1b at Xfast_syscall+0xfb and the machine locks up. --=20 You are receiving this mail because: You are the assignee for the bug.=
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