From owner-freebsd-fs@freebsd.org Sun Aug 20 05:05:21 2017 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id CF7A5DDFD9F for ; Sun, 20 Aug 2017 05:05:21 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id BDBD67391F for ; Sun, 20 Aug 2017 05:05:21 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id v7K55LSN007675 for ; Sun, 20 Aug 2017 05:05:21 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-fs@FreeBSD.org Subject: [Bug 215634] zfs receive trips up and live-locks for non-incremental fs Date: Sun, 20 Aug 2017 05:05:21 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 10.3-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: allanjude@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Aug 2017 05:05:21 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D215634 Allan Jude changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |allanjude@FreeBSD.org, | |avg@FreeBSD.org, | |jpaetzel@FreeBSD.org --- Comment #1 from Allan Jude --- I think I hit this same thing doing a non-incremental send from FreeBSD 11.= 1 to FreeBSD 10.3: PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 11 root 8 155 ki31 0K 128K CPU7 7 ??? 600.00% [i= dle] 3 root 8 -8 - 0K 144K CPU4 4 362:30 199.76% [zfskern] The 'zfs recv' command is stuck on the waitchan: rwa.cv load: 2.97 cmd: zfs 779 [rwa.cv] 85.90r 0.00u 0.41s 0% 2876k load: 2.40 cmd: zfs 779 [rwa.cv] 1049.93r 0.00u 0.41s 0% 2876k #procstat -kk 78197 779 PID TID COMM TDNAME KSTACK 78197 103920 zfs - mi_switch+0xe1 sleepq_wait+0= x3a _cv_wait+0x17d dmu_recv_stream+0x9db zfs_ioc_recv+0x96d zfsdev_ioctl+0x63d devfs_ioctl_f+0x139 kern_ioctl+0x255 sys_ioctl+0x140 amd64_syscall+0x40f Xfast_syscall+0xfb 779 102626 zfs - mi_switch+0xe1 sleepq_wait+0= x3a _cv_wait+0x17d dmu_recv_stream+0x9db zfs_ioc_recv+0x96d zfsdev_ioctl+0x63d devfs_ioctl_f+0x139 kern_ioctl+0x255 sys_ioctl+0x140 amd64_syscall+0x40f Xfast_syscall+0xfb --=20 You are receiving this mail because: You are the assignee for the bug.=