From owner-freebsd-hackers@freebsd.org Thu Nov 26 08:40:53 2015 Return-Path: Delivered-To: freebsd-hackers@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 F1882A38060 for ; Thu, 26 Nov 2015 08:40:52 +0000 (UTC) (envelope-from noname.esst@yahoo.com) Received: from nm38-vm1.bullet.mail.ne1.yahoo.com (nm38-vm1.bullet.mail.ne1.yahoo.com [98.138.229.145]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id BFC13109D for ; Thu, 26 Nov 2015 08:40:52 +0000 (UTC) (envelope-from noname.esst@yahoo.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1448527250; bh=ebyUJNzTxdz2S2ydqmfN/AwzMyPLPaGT1OG0hcJ9lUA=; h=Date:From:Reply-To:To:Subject:References:From:Subject; b=Raqt1ir7fCWR1N3EPbjObFuT0PM2Q9GUhy3IQExk/EfZMUohaETmypJA52smzYpwZMf7r3RzGz2z4qqBjfsIGqtvk9FByURRZUKUHnwzpwc9+SngJawzKY50oICqRrevc6LCksTYqcZ3PaIKvmCCEkVwfocj3T9PiJ0BOxDS00vb+E0I4q8c1W86mY3Ia3mrEmxybe/NMmDBpNzSzO4xw8sEF9nnIj6qb8I8r6w9zu8FIk/Uwlh2LuifPsnwm1aBMi0FiiIqlpPYM0lHfgMU3pkHrjYz3NbdmNxqIujiqwWN7XJECtjHpvtrw7WXzrAuWvhXuGB2YUQoX1MskVTenQ== Received: from [127.0.0.1] by nm38.bullet.mail.ne1.yahoo.com with NNFMP; 26 Nov 2015 08:40:50 -0000 Received: from [98.138.100.114] by nm38.bullet.mail.ne1.yahoo.com with NNFMP; 26 Nov 2015 08:38:00 -0000 Received: from [98.138.89.168] by tm105.bullet.mail.ne1.yahoo.com with NNFMP; 26 Nov 2015 08:38:00 -0000 Received: from [127.0.0.1] by omp1024.mail.ne1.yahoo.com with NNFMP; 26 Nov 2015 08:38:00 -0000 X-Yahoo-Newman-Property: ymail-4 X-Yahoo-Newman-Id: 337750.31852.bm@omp1024.mail.ne1.yahoo.com X-YMail-OSG: BVqY8eUVM1khbT9k0kc3LOua0r4gI0cnazjC.lW4T_vIr6Hojgj_5qS9xSVadbz IfKj4s3YoXdErPkeVvqA8n3F6y0BHDPFb12wHaX1d1UWh2woSj3j452LqD1ehcihb_XBot7o6t_E tuTWhmU7.y1z.0GrNGB.pn5OAyreJuP9ZD2jc1Y4uvNQMslzGnzJSncjM.U4MjbZtRou0tjJweFA YadePCjY.wuNPmJYnwonZGw8yrSmtVR2FstHHm_a_cQpEx2jOcnAic5HmnqE5QSTn_ivf0o8_11p 2oW8nelrqXV.03tWK3Eg4d4jvV8rTG276C9vnu6OLuvmRA8BNLKnmQAhDYVadDlC1kDmovnS8OB1 D4YwM0BihISc7juaRq.2IwpN6IfOWzkDXknBoamIxJKLouvhqzSzorWhBDt0WjDhJehoexqM8wqd PM_L644B.cWssupTW7JqcuEYAt3cSZQtXKEylWKx.JeZTS9DiwySuIc0fDfoUjRHMTw-- Received: by 98.138.105.199; Thu, 26 Nov 2015 08:37:59 +0000 Date: Thu, 26 Nov 2015 08:37:59 +0000 (UTC) From: Nomad Esst Reply-To: Nomad Esst To: Freebsd Hackers List Message-ID: <1436779437.8863609.1448527079532.JavaMail.yahoo@mail.yahoo.com> Subject: interface loopback deletion panic MIME-Version: 1.0 References: <1436779437.8863609.1448527079532.JavaMail.yahoo.ref@mail.yahoo.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Nov 2015 08:40:53 -0000 See the following. When I try do delete the loopback interface, I face this= kernel panic. I'm using FreeBSD9.2 AMD64 [root@lower ~]# ifconfig lo1 deletein_scrubprefix: err=3D65, prefix delete = failed panic: rtfree 2 cpuid =3D 3 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a/frame 0xffffff809b08a= 620 kdb_backtrace() at kdb_backtrace+0x37/frame 0xffffff809b08a6e0 panic() at panic+0x1ce/frame 0xffffff809b08a7e0 rtfree() at rtfree+0x105/frame 0xffffff809b08a800 in_ifadownkill() at in_ifadownkill+0x115/frame 0xffffff809b08a830 rn_walktree() at rn_walktree+0x7c/frame 0xffffff809b08a860 in_ifadown() at in_ifadown+0xbe/frame 0xffffff809b08a8b0 in_control() at in_control+0xa31/frame 0xffffff809b08a960 ifioctl() at ifioctl+0x803/frame 0xffffff809b08aa60 kern_ioctl() at kern_ioctl+0x106/frame 0xffffff809b08aab0 sys_ioctl() at sys_ioctl+0xfd/frame 0xffffff809b08ab10 amd64_syscall() at amd64_syscall+0x4df/frame 0xffffff809b08ac30 Xfast_syscall() at Xfast_syscall+0xf7/frame 0xffffff809b08ac30 --- syscall (54, FreeBSD ELF64, sys_ioctl), rip =3D 0x801170abc, rsp =3D 0x= 7fffffffd3b8, rbp =3D 0x7fffffffde85 --- KDB: enter: panic [ thread pid 16247 tid 100253 ] Stopped at=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 kdb_enter+0x3b: movq=C2=A0=C2=A0= =C2=A0 $0,0x5d0072(%rip) Thanks in advance.