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juraj@lutter.sk) by svc.wilbury.net (Postfix) with ESMTPSA id 791FD45CFC9 for ; Sat, 27 Feb 2021 17:07:16 +0100 (CET) From: Juraj Lutter Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.4\)) Subject: LORs in -CURRENT Message-Id: Date: Sat, 27 Feb 2021 17:07:16 +0100 To: freebsd-current X-Mailer: Apple Mail (2.3608.120.23.2.4) X-Rspamd-Queue-Id: 4DnryG0GtDz3JsS X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of SRS0=Cses=H5=FreeBSD.org=otis@ns2.wilbury.net has no SPF policy when checking 2a01:b200:0:1:f816:3eff:fecd:13e6) smtp.mailfrom=SRS0=Cses=H5=FreeBSD.org=otis@ns2.wilbury.net X-Spamd-Result: default: False [0.70 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; MV_CASE(0.50)[]; TO_DN_ALL(0.00)[]; FORGED_SENDER(0.30)[otis@FreeBSD.org,SRS0=Cses=H5=FreeBSD.org=otis@ns2.wilbury.net]; MIME_TRACE(0.00)[0:+]; 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List-Subscribe: , X-List-Received-Date: Sat, 27 Feb 2021 16:07:18 -0000 I=E2=80=99ve got some LORs: lock order reversal: 1st 0xfffff8008c4f4af0 nfs (nfs, lockmgr) @ = /usr/src/sys/kern/vfs_mount.c:1071 2nd 0xfffff8008c51a930 zfs (zfs, lockmgr) @ = /usr/src/sys/kern/vfs_mount.c:1083 lock order zfs -> nfs established at: #0 0xffffffff80c7bb7d at witness_checkorder+0x46d #1 0xffffffff80bdcf18 at lockmgr_lock_flags+0x188 #2 0xffffffff80af1b9c at nfs_lock+0x2c #3 0xffffffff80ce485f at vop_sigdefer+0x2f #4 0xffffffff80d0e5e4 at _vn_lock+0x54 #5 0xffffffff80ced6a5 at vfs_domount+0xef5 #6 0xffffffff80cebb02 at vfs_donmount+0x872 #7 0xffffffff80ceb259 at sys_nmount+0x69 #8 0xffffffff810bd00e at amd64_syscall+0x12e #9 0xffffffff8108fdfe at fast_syscall_common+0xf8 lock order nfs -> zfs attempted at: #0 0xffffffff80c7c4dc at witness_checkorder+0xdcc #1 0xffffffff80bde955 at lockmgr_xlock+0x55 #2 0xffffffff80d0e5e4 at _vn_lock+0x54 #3 0xffffffff80ced6a5 at vfs_domount+0xef5 #4 0xffffffff80cebb02 at vfs_donmount+0x872 #5 0xffffffff80ceb259 at sys_nmount+0x69 #6 0xffffffff810bd00e at amd64_syscall+0x12e #7 0xffffffff8108fdfe at fast_syscall_common+0xf8 lock order reversal: 1st 0xfffff8008c6473f0 zfs (zfs, lockmgr) @ = /usr/src/sys/kern/vfs_mount.c:1071 2nd 0xfffff80035f4dcb0 devfs (devfs, lockmgr) @ = /usr/src/sys/kern/vfs_mount.c:1083 lock order devfs -> zfs established at: #0 0xffffffff80c7bb7d at witness_checkorder+0x46d #1 0xffffffff80bde955 at lockmgr_xlock+0x55 #2 0xffffffff80d0e5e4 at _vn_lock+0x54 #3 0xffffffff80ced6a5 at vfs_domount+0xef5 #4 0xffffffff80cebb02 at vfs_donmount+0x872 #5 0xffffffff80cf01f7 at kernel_mount+0x57 #6 0xffffffff80cf2bc1 at parse_mount+0x4a1 #7 0xffffffff80cf1027 at vfs_mountroot+0x587 #8 0xffffffff80b9a4ff at start_init+0x1f #9 0xffffffff80bc7470 at fork_exit+0x80 #10 0xffffffff8109055e at fork_trampoline+0xe lock order zfs -> devfs attempted at: #0 0xffffffff80c7c4dc at witness_checkorder+0xdcc #1 0xffffffff80bde955 at lockmgr_xlock+0x55 #2 0xffffffff80d0e5e4 at _vn_lock+0x54 #3 0xffffffff80ced6a5 at vfs_domount+0xef5 #4 0xffffffff80cebb02 at vfs_donmount+0x872 #5 0xffffffff80ceb259 at sys_nmount+0x69 #6 0xffffffff810bd00e at amd64_syscall+0x12e #7 0xffffffff8108fdfe at fast_syscall_common+0xf8 lock order reversal: 1st 0xfffff8008c6f7230 nfs (nfs, lockmgr) @ = /usr/src/sys/kern/vfs_syscalls.c:4135 2nd 0xfffffe000ee1dc50 bufwait (bufwait, lockmgr) @ = /usr/src/sys/kern/vfs_bio.c:1674 3rd 0xfffff8008c6f73f0 nfs (nfs, lockmgr) @ = /usr/src/sys/kern/vfs_subr.c:2915 lock order nfs -> bufwait established at: #0 0xffffffff80c7bb7d at witness_checkorder+0x46d #1 0xffffffff80bdd5ec at lockmgr_xlock_hard+0x6c #2 0xffffffff80bde303 at __lockmgr_args+0x613 #3 0xffffffff80ccf504 at getnewbuf+0x334 #4 0xffffffff80ccc839 at getblkx+0x359 #5 0xffffffff80ccf1b2 at getblk+0x22 #6 0xffffffff80afd3b6 at nfs_getcacheblk+0x46 #7 0xffffffff80afcd4b at ncl_bioread+0x58b #8 0xffffffff80af1aff at nfs_readdir+0x18f #9 0xffffffff80ce485f at vop_sigdefer+0x2f #10 0xffffffff81181f38 at VOP_READDIR_APV+0x38 #11 0xffffffff80d0b18b at kern_getdirentries+0x1fb #12 0xffffffff80d0b399 at sys_getdirentries+0x29 #13 0xffffffff810bd00e at amd64_syscall+0x12e #14 0xffffffff8108fdfe at fast_syscall_common+0xf8 lock order bufwait -> nfs attempted at: #0 0xffffffff80c7c4dc at witness_checkorder+0xdcc #1 0xffffffff80bdcf18 at lockmgr_lock_flags+0x188 #2 0xffffffff80af1b9c at nfs_lock+0x2c #3 0xffffffff80ce485f at vop_sigdefer+0x2f #4 0xffffffff80d0e5e4 at _vn_lock+0x54 #5 0xffffffff80cf6e0f at vget_finish+0x4f #6 0xffffffff80ce6b3c at vfs_hash_get+0xbc #7 0xffffffff80af9d09 at nfscl_nget+0x119 #8 0xffffffff80ae291a at nfsrpc_readdirplus+0xaaa #9 0xffffffff80aed43c at ncl_readdirplusrpc+0xdc #10 0xffffffff80afdbe3 at ncl_doio+0x423 #11 0xffffffff80afcd8c at ncl_bioread+0x5cc #12 0xffffffff80af1aff at nfs_readdir+0x18f #13 0xffffffff80ce485f at vop_sigdefer+0x2f #14 0xffffffff81181f38 at VOP_READDIR_APV+0x38 #15 0xffffffff80d0b18b at kern_getdirentries+0x1fb #16 0xffffffff80d0b399 at sys_getdirentries+0x29 #17 0xffffffff810bd00e at amd64_syscall+0x12e kernel is GENERIC, stock config. otis =E2=80=94 Juraj Lutter XMPP: juraj (at) lutter.sk GSM: +421907986576