From owner-freebsd-bugs@FreeBSD.ORG Sun Sep 28 18:25:51 2014 Return-Path: Delivered-To: freebsd-bugs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 8B5AD106 for ; Sun, 28 Sep 2014 18:25:51 +0000 (UTC) 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 59C6761D for ; Sun, 28 Sep 2014 18:25:51 +0000 (UTC) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.14.9/8.14.9) with ESMTP id s8SIPppi036210 for ; Sun, 28 Sep 2014 18:25:51 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 193803] zvol promote failing Date: Sun, 28 Sep 2014 18:25:51 +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: 10.0-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: kash@tripleback.net X-Bugzilla-Status: Needs Triage X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Sep 2014 18:25:51 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=193803 --- Comment #3 from kash@tripleback.net --- ps auxwww -O wchan: root 2 0.0 0.0 0 1424 - DL Mon09am 38:58.35 [zfskern] 2 zvol:io - DL 38:58.35 [zfskern] root 5452 0.0 0.0 48152 2604 - I 2:03pm 0:00.01 sudo zfs rename 5452 select - I 0:00.01 sudo zfs rename tank/[redacted]@b7 tank/[redacted]@b6 root 5467 0.0 0.0 40048 2448 - D 2:03pm 0:00.01 zfs rename tank/ 5467 tx->tx_s - D 0:00.01 zfs rename tank/[redacted]@b7 tank/[redacted]@b6 root 5474 0.0 0.0 18724 2108 0 S+ 2:05pm 0:00.00 grep zfs 5474 piperd 0 S+ 0:00.00 grep zfs # for i in 5452 5467 ; do procstat -kk $i ; done PID TID COMM TDNAME KSTACK 5452 101591 sudo - mi_switch+0xde sleepq_catch_signals+0xb2 sleepq_wait_sig+0xf _cv_wait_sig+0x16a seltdwait+0x96 sys_poll+0x3dc amd64_syscall+0x357 Xfast_syscall+0xfb PID TID COMM TDNAME KSTACK 5467 101597 zfs - mi_switch+0xde sleepq_wait+0x3a _cv_wait+0x16d txg_wait_synced+0x85 dsl_sync_task+0x1e2 dsl_dataset_rename_snapshot+0x34 zfs_ioc_rename+0x10e zfsdev_ioctl+0x478 devfs_ioctl_f+0x11f kern_ioctl+0x22e sys_ioctl+0x11f amd64_syscall+0x357 Xfast_syscall+0xfb Looks like no disk IO: # iostat -t da -c 5 5 tty ada0 ada1 cpu tin tout KB/t tps MB/s KB/t tps MB/s us ni sy in id 0 58 18.25 71 1.27 18.50 70 1.27 0 0 2 0 98 0 37 4.00 0 0.00 4.00 0 0.00 0 0 0 0 100 0 12 4.00 0 0.00 0.00 0 0.00 0 0 0 0 100 0 12 0.00 0 0.00 0.00 0 0.00 0 0 0 0 100 0 12 0.00 0 0.00 0.00 0 0.00 0 0 0 0 100 0 12 0.00 0 0.00 0.00 0 0.00 0 0 0 0 100 0 12 0.00 0 0.00 0.00 0 0.00 0 0 0 0 100 0 12 0.00 0 0.00 0.00 0 0.00 0 0 0 0 100 -- You are receiving this mail because: You are the assignee for the bug.