From owner-freebsd-bugs@FreeBSD.ORG Thu Apr 2 16:22:53 2015 Return-Path: Delivered-To: freebsd-bugs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 685C4DAC for ; Thu, 2 Apr 2015 16:22:53 +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 349C5D22 for ; Thu, 2 Apr 2015 16:22:53 +0000 (UTC) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.14.9/8.14.9) with ESMTP id t32GMrxb099361 for ; Thu, 2 Apr 2015 16:22:53 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 199117] Kernel panic when iSCSI drops Date: Thu, 02 Apr 2015 16:22:53 +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: 10.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: rwestlun@gmail.com X-Bugzilla-Status: New X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Target-Milestone: --- 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: 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: Thu, 02 Apr 2015 16:22:53 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=199117 Bug ID: 199117 Summary: Kernel panic when iSCSI drops Product: Base System Version: 10.1-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: rwestlun@gmail.com I'm using iSCSI to connect to a remote drive over an SSH tunnel. When the connection drops, I get a kernel panic and reboot. This has occurred three times in the past three days. dmesg: WARNING: localhost (iqn.cryo): no ping reply (NOP-In) after 5 seconds; reconnecting WARNING: localhost (iqn.cryo): no ping reply (NOP-In) after 5 seconds; reconnecting Fatal trap 9: general protection fault while in kernel mode cpuid = 0; apic id = 00 instruction pointer = 0x20:0xffffffff802e1b6e stack pointer = 0x28:0xfffffe0119c68ae0 frame pointer = 0x28:0xfffffe0119c68b10 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 (iscsimt) trap number = 9 panic: general protection fault cpuid = 0 KDB: stack backtrace: #0 0xffffffff80963000 at kdb_backtrace+0x60 #1 0xffffffff80928125 at panic+0x155 #2 0xffffffff80d24f0f at trap_fatal+0x38f #3 0xffffffff80d24b6c at trap+0x75c #4 0xffffffff80d0a772 at calltrap+0x8 #5 0xffffffff81e43f47 at iscsi_session_terminate_task+0x57 #6 0xffffffff81e43ed0 at iscsi_session_cleanup+0x1c0 #7 0xffffffff81e43a78 at iscsi_maintenance_thread+0x58 #8 0xffffffff808f8b6a at fork_exit+0x9a #9 0xffffffff80d0acae at fork_trampoline+0xe Uptime: 15h46m39s (da0:iscsi1:0:0:0): SYNCHRONIZE CACHE(10). CDB: 35 00 00 00 00 00 00 00 00 00 (da0:iscsi1:0:0:0): CAM status: Command timeout (da0:iscsi1:0:0:0): Error 5, Retries exhausted (da0:iscsi1:0:0:0): Synchronize cache failed Automatic reboot in 15 seconds - press a key on the console to abort Rebooting... Copyright (c) 1992-2014 The FreeBSD Project. System info: GENERIC kernel uname -a FreeBSD legion.textplain.net 10.1-RELEASE-p6 FreeBSD 10.1-RELEASE-p6 #0: Tue Feb 24 19:00:21 UTC 2015 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 -- You are receiving this mail because: You are the assignee for the bug.