Date: Mon, 12 Jun 2017 23:25:57 +0200 From: Harry Schmalzbauer <freebsd@omnilan.de> To: freebsd-stable@freebsd.org Subject: [LOR] 11.1-BETA1 dev/md/md.c <-> vm/vm_pager.c - lost begnin matchlist Message-ID: <593F06E5.9030608@omnilan.de>
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Dear hackers, I couldn't find a up to date list for begning LOR reports. Since ffs/vfs.. LORs, which I don't understand, diffused my attention over the time, I'm not aware about the actual importance of them these days (without panic). Here's is one, happening on 11.1-BETA1. which I haven't found a previous report about: lock order reversal: 1st 0xfffffe03bca22c10 bufwait (bufwait) @ /usr/local/share/deploy-tools/RELENG_11/src/sys/vm/vm_pager.c:370 2nd 0xfffff8001f9ff068 ufs (ufs) @ /usr/local/share/deploy-tools/RELENG_11/src/sys/dev/md/md.c:942 stack backtrace: #0 0xffffffff805e79b0 at witness_debugger+0x70 #1 0xffffffff805e78a3 at witness_checkorder+0xe23 #2 0xffffffff805621d5 at __lockmgr_args+0x875 #3 0xffffffff8081c215 at ffs_lock+0xa5 #4 0xffffffff808d78d0 at VOP_LOCK1_APV+0xe0 #5 0xffffffff8065531a at _vn_lock+0x6a #6 0xffffffff803fb948 at mdstart_vnode+0x438 #7 0xffffffff803f9f4d at md_kthread+0x19d #8 0xffffffff8054ea34 at fork_exit+0x84 #9 0xffffffff80864c0e at fork_trampoline+0xe -harry
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