From owner-freebsd-fs@freebsd.org Mon Nov 5 09:30:05 2018 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0BEAB10FDA93 for ; Mon, 5 Nov 2018 09:30:05 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 7F9DB7704A for ; Mon, 5 Nov 2018 09:30:04 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 443F810FDA91; Mon, 5 Nov 2018 09:30:04 +0000 (UTC) Delivered-To: fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2293910FDA90 for ; Mon, 5 Nov 2018 09:30:04 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 9E9D877044 for ; Mon, 5 Nov 2018 09:30:03 +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 mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id CFEC31D64A for ; Mon, 5 Nov 2018 09:30:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id wA59U2jU021188 for ; Mon, 5 Nov 2018 09:30:02 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id wA59U2T6021187 for fs@FreeBSD.org; Mon, 5 Nov 2018 09:30:02 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 229614] ZFS lockup in zil_commit_impl Date: Mon, 05 Nov 2018 09:30:00 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 11.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: andreas.sommer87@googlemail.com X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: allanjude@FreeBSD.org X-Bugzilla-Flags: mfc-stable11? X-Bugzilla-Changed-Fields: 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-Rspamd-Queue-Id: 7F9DB7704A X-Spamd-Result: default: False [-4.02 / 200.00]; ARC_NA(0.00)[]; FORGED_RECIPIENTS_FORWARDING(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-0.996,0]; FORWARDED(0.00)[fs@mailman.ysv.freebsd.org]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; HAS_XAW(0.00)[]; R_SPF_SOFTFAIL(0.00)[~all]; RCPT_COUNT_ONE(0.00)[1]; XAW_SERVICE_ACCT(1.00)[]; DMARC_NA(0.00)[freebsd.org]; RCVD_IN_DNSWL_MED(-0.20)[5.0.0.0.0.5.0.0.0.0.0.0.0.0.0.0.a.6.0.2.4.5.2.2.0.0.9.1.1.0.0.2.list.dnswl.org : 127.0.9.2]; MX_GOOD(-0.01)[cached: mx66.freebsd.org]; FROM_NO_DN(0.00)[]; NEURAL_HAM_SHORT(-0.99)[-0.994,0]; SPF_FAIL_FORWARDING(0.00)[]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; IP_SCORE(-2.82)[ip: (-8.97), ipnet: 2001:1900:2254::/48(-2.98), asn: 10310(-2.11), country: US(-0.06)]; ASN(0.00)[asn:10310, ipnet:2001:1900:2254::/48, country:US]; FORGED_RECIPIENTS(0.00)[fs@FreeBSD.org,freebsd-fs@freebsd.org]; RCVD_COUNT_SEVEN(0.00)[7]; TO_DOM_EQ_FROM_DOM(0.00)[] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Nov 2018 09:30:05 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D229614 --- Comment #34 from Andreas Sommer --- Here's a different stack trace I found: $ sudo procstat -kk 92301 PID TID COMM TDNAME KSTACK 92301 100454 sync - mi_switch+0xe6 critical_exit+0x6d xen_intr_handle_upcall+0x1b7 Xxen_intr_upcall+0xa5 vputx+0x2ea zfs_zget+0x1aa zfs_get_data+0x3c zil_commit_impl+0xa9a zfs_sync+0xa6 sys_sync+0x116 amd64_syscall+0xa38 fast_syscall_common+0x101 This sync process hung (I'm running find, sync and other stuff in a loop to trigger the issue faster). Later I seemingly couldn't run procstat on (the still existing) PID 92301 anymore... `procstat` hangs after outputting colu= mn headers and my SSH connection goes away i.e. instance has crashed. --=20 You are receiving this mail because: You are on the CC list for the bug.=