Date: Sun, 11 Oct 2020 12:29:20 +0200 From: "Hartmann, O." <ohartmann@walstatt.org> To: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: r366623: lock order reversal in ZFS Message-ID: <20201011122920.60b91a18@hermann.fritz.box>
next in thread | raw e-mail | index | archive | help
--Sig_/Ms0EgWPaOJULScusCc//Abz Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On a recent CURRENT bos acting as poudriere host, we face after a crash under heavy load and extensive swap usage now this lock order reversal warning on the console: lock order reversal: 1st 0xfffff8007bdd9e00 zfs (zfs, lockmgr) @ /usr/src/sys/kern/vfs_mount.c:1018 2nd 0xfffff8034abfc070 devfs (devfs, lockmgr) @ /usr/src/sys/kern/vfs_mount.c:1029 lock order zfs -> devfs attempted at: #0 0xffffffff80f3380d at witness_checkorder+0xebd #1 0xffffffff80e8ba4b at lockmgr_xlock+0xab #2 0xffffffff80fc3e04 at _vn_lock+0x54 #3 0xffffffff80fa0e34 at vfs_domount+0xde4 #4 0xffffffff80f9f598 at vfs_donmount+0x898 #5 0xffffffff80f9ecb9 at sys_nmount+0x69 #6 0xffffffff81461255 at amd64_syscall+0x135 #7 0xffffffff814335ee at fast_syscall_common+0xf8 System: FreeBSD 13.0-CURRENT #71 r366623: Sun Oct 11 08:59:17 CEST 2020 --Sig_/Ms0EgWPaOJULScusCc//Abz Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iHUEARYIAB0WIQSy8IBxAPDkqVBaTJ44N1ZZPba5RwUCX4LegAAKCRA4N1ZZPba5 R94nAQDOamlyZwm+nddju1WV87cuWK+j08x9x0ZxNJk4LF272wEA6o8vSABFXfbh of3edFBeER69ffg28qoUS5oSwpNLAgQ= =DYBM -----END PGP SIGNATURE----- --Sig_/Ms0EgWPaOJULScusCc//Abz--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20201011122920.60b91a18>