{"action":"created","issue":{"url":"https://api.github.com/repos/openzfsonosx/zfs/issues/368","labels_url":"https://api.github.com/repos/openzfsonosx/zfs/issues/368/labels{/name}","comments_url":"https://api.github.com/repos/openzfsonosx/zfs/issues/368/comments","events_url":"https://api.github.com/repos/openzfsonosx/zfs/issues/368/events","html_url":"https://github.com/openzfsonosx/zfs/issues/368","id":103691842,"number":368,"title":"experimental tracking down of old mutexes (placeholder)","user":{"login":"rottegift","id":6392971,"avatar_url":"https://avatars.githubusercontent.com/u/6392971?v=3","gravatar_id":"","url":"https://api.github.com/users/rottegift","html_url":"https://github.com/rottegift","followers_url":"https://api.github.com/users/rottegift/followers","following_url":"https://api.github.com/users/rottegift/following{/other_user}","gists_url":"https://api.github.com/users/rottegift/gists{/gist_id}","starred_url":"https://api.github.com/users/rottegift/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rottegift/subscriptions","organizations_url":"https://api.github.com/users/rottegift/orgs","repos_url":"https://api.github.com/users/rottegift/repos","events_url":"https://api.github.com/users/rottegift/events{/privacy}","received_events_url":"https://api.github.com/users/rottegift/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":6,"created_at":"2015-08-28T10:18:27Z","updated_at":"2015-09-03T08:43:04Z","closed_at":"2015-09-03T08:43:04Z","body":"@lundman\r\n\r\n```\r\n(lldb) bt\r\n* thread #1: tid = 0x0001, 0xffffff8024d2ac82 kernel`panic(str=0xffffff7fa58a92c8) + 50 at debug.c:367, stop reason = breakpoint 2.1\r\n  * frame #0: 0xffffff8024d2ac82 kernel`panic(str=0xffffff7fa58a92c8) + 50 at debug.c:367\r\n    frame #1: 0xffffff7fa57e6086 zfs`arc_evict_ghost + 262\r\n    frame #2: 0xffffff7fa57e6703 zfs`arc_adjust + 371\r\n    frame #3: 0xffffff7fa57e9415 zfs`arc_reclaim_thread + 469\r\n    frame #4: 0xffffff8024e116e7 kernel`call_continuation + 23\r\n(lldb) systemlog\r\n[...]\r\nSPL: mutex (0xffffff804b1f2708) held for 503s by 'zfs_znode.c':1324\r\nSPL: mutex (0xffffff804e9f5f08) held for 3709s by 'zfs_vnops_osx.c':2356\r\nSPL: mutex (0xffffff804ea02e08) held for 3709s by 'zfs_znode.c':1324\r\nSPL: mutex (0xffffff804ec8d708) held for 706s by 'zfs_znode.c':1324\r\nSPL: mutex (0xffffff804ecc1b08) held for 708s by 'zfs_znode.c':1324\r\nSPL: mutex (0xffffff804ee12d08) held for 4864s by 'zfs_znode.c':1324\r\nSPL: mutex (0xffffff80b05f1108) held for 4864s by 'zfs_znode.c':1365\r\nSPL: mutex (0xffffff808dfc3408) held for 3709s by 'zfs_znode.c':1365\r\n```\r\n\r\nTo come, spindump taken a little before this."},"comment":{"url":"https://api.github.com/repos/openzfsonosx/zfs/issues/comments/137380032","html_url":"https://github.com/openzfsonosx/zfs/issues/368#issuecomment-137380032","issue_url":"https://api.github.com/repos/openzfsonosx/zfs/issues/368","id":137380032,"user":{"login":"rottegift","id":6392971,"avatar_url":"https://avatars.githubusercontent.com/u/6392971?v=3","gravatar_id":"","url":"https://api.github.com/users/rottegift","html_url":"https://github.com/rottegift","followers_url":"https://api.github.com/users/rottegift/followers","following_url":"https://api.github.com/users/rottegift/following{/other_user}","gists_url":"https://api.github.com/users/rottegift/gists{/gist_id}","starred_url":"https://api.github.com/users/rottegift/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rottegift/subscriptions","organizations_url":"https://api.github.com/users/rottegift/orgs","repos_url":"https://api.github.com/users/rottegift/repos","events_url":"https://api.github.com/users/rottegift/events{/privacy}","received_events_url":"https://api.github.com/users/rottegift/received_events","type":"User","site_admin":false},"created_at":"2015-09-03T08:43:04Z","updated_at":"2015-09-03T08:43:04Z","body":"I think they're all gone now (post-VFS_nolocks) except the really obviously load-related ones like:\r\n\r\n```\r\n/var/log/system.log.8.gz:Sep  2 07:18:28 cla kernel[0]: SPL: mutex (0xffffff804a99b708) finally released after 214s by 'zfs_ioctl.c':5763\r\n```\r\n\r\nso closing."}}