From owner-freebsd-bugs@freebsd.org Wed Oct 25 13:45:43 2017 Return-Path: Delivered-To: freebsd-bugs@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 5747FE4ABDF for ; Wed, 25 Oct 2017 13:45:43 +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 45EC56DEEC for ; Wed, 25 Oct 2017 13:45:43 +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 v9PDjhor041414 for ; Wed, 25 Oct 2017 13:45:43 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 223238] Persistent iscsi underflow mismatch errors followed by apparent kernel panic Date: Wed, 25 Oct 2017 13:45:43 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 11.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: randomnoise058@gmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: 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-bugs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Oct 2017 13:45:43 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D223238 Bug ID: 223238 Summary: Persistent iscsi underflow mismatch errors followed by apparent kernel panic Product: Base System Version: 11.1-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: randomnoise058@gmail.com VirtualBox FBSD guest (on a FBSD host) 11.1-RELEASE FreeBSD 11.1-RELEASE #0 r324971M: Wed Oct 25 08:01:10 CDT 2017= =20=20=20=20 root@fbsd11.vboxnet:/usr/obj/usr/src/sys/GENERIC amd64 Using iscsi connection to a Synology NAS/SAN providing multiple Targets with one or more LUNs results in periodic error messages such as: kernel: WARNING: 192.168.1.19:3260 (iqn.2000-01.com.synology:ds216j.Target-12.c16e0895b7): underflow mismatch: target indicates 0, we calculated 4 kernel: WARNING: 192.168.1.19:3260 (iqn.2000-01.com.synology:ds216j.Target-12.c16e0895b7): underflow mismatch: target indicates 0, we calculated 8 iSCSI messages observed on Synology SAN/Nas: 2017-10-25T08:43:03-05:00 ds216j kernel: target_core_transport.c:1783:target_setup_cmd_from_cdb iSCSI/iqn.1994-09.org.freebsd:fbsd11.vboxnet: Unsupported SCSI Opcode 0xb7, sending CHECK_CONDITION. 2017-10-25T08:43:04-05:00 ds216j kernel: target_core_transport.c:1783:target_setup_cmd_from_cdb iSCSI/iqn.1994-09.org.freebsd:fbsd11.vboxnet: Unsupported SCSI Opcode 0x37, sending CHECK_CONDITION. 2017-10-25T08:43:05-05:00 ds216j kernel: target_core_transport.c:1783:target_setup_cmd_from_cdb iSCSI/iqn.1994-09.org.freebsd:fbsd11.vboxnet: Unsupported SCSI Opcode 0xb7, sending CHECK_CONDITION. 2017-10-25T08:43:05-05:00 ds216j kernel: target_core_transport.c:1783:target_setup_cmd_from_cdb iSCSI/iqn.1994-09.org.freebsd:fbsd11.vboxnet: Unsupported SCSI Opcode 0x37, sending CHECK_CONDITION. 2017-10-25T08:43:06-05:00 ds216j kernel: target_core_transport.c:1783:target_setup_cmd_from_cdb iSCSI/iqn.1994-09.org.freebsd:fbsd11.vboxnet: Unsupported SCSI Opcode 0xb7, sending CHECK_CONDITION. 2017-10-25T08:43:06-05:00 ds216j kernel: target_core_transport.c:1783:target_setup_cmd_from_cdb iSCSI/iqn.1994-09.org.freebsd:fbsd11.vboxnet: Unsupported SCSI Opcode 0x37, sending CHECK_CONDITION. After some period of time the system hangs/locks up (kernel panic?) and has= to be "killed" and rebooted. --=20 You are receiving this mail because: You are the assignee for the bug.=