From owner-freebsd-bugs@FreeBSD.ORG Thu May 14 20:47:03 2015 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 0FE0D159 for ; Thu, 14 May 2015 20:47:03 +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 D567110D9 for ; Thu, 14 May 2015 20:47:02 +0000 (UTC) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.14.9/8.14.9) with ESMTP id t4EKl2ni005168 for ; Thu, 14 May 2015 20:47:02 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 200210] adding vtnet to bridge results to kernel panic Date: Thu, 14 May 2015 20:47:02 +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: 11.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: grehan@FreeBSD.org 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: 2.1.20 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 May 2015 20:47:03 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200210 Bug ID: 200210 Summary: adding vtnet to bridge results to kernel panic Product: Base System Version: 11.0-CURRENT Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: grehan@FreeBSD.org Reported by Nikos Vassiliadis on the freebsd-virtualization list, http://docs.FreeBSD.org/cgi/mid.cgi?55520784.9050508 Unread portion of the kernel message buffer: panic: if_setflag: decrement non-positive refcount 0 for flag 256 cpuid = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe01a5be54c0 vpanic() at vpanic+0x189/frame 0xfffffe01a5be5540 kassert_panic() at kassert_panic+0x132/frame 0xfffffe01a5be55b0 if_setflag() at if_setflag+0x147/frame 0xfffffe01a5be5610 ifpromisc() at ifpromisc+0x2c/frame 0xfffffe01a5be5640 bridge_delete_member() at bridge_delete_member+0x3a8/frame 0xfffffe01a5be56c0 bridge_ioctl_add() at bridge_ioctl_add+0x574/frame 0xfffffe01a5be5710 bridge_ioctl() at bridge_ioctl+0x1ad/frame 0xfffffe01a5be57b0 ifioctl() at ifioctl+0x9df/frame 0xfffffe01a5be5860 kern_ioctl() at kern_ioctl+0x230/frame 0xfffffe01a5be58c0 sys_ioctl() at sys_ioctl+0x153/frame 0xfffffe01a5be59a0 amd64_syscall() at amd64_syscall+0x27f/frame 0xfffffe01a5be5ab0 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe01a5be5ab0 --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8011e09aa, rsp = 0x7fffffffe1f8, rbp = 0x7fffffffe2a0 --- KDB: enter: panic -- You are receiving this mail because: You are the assignee for the bug.