From owner-freebsd-hackers@freebsd.org Sun Nov 29 05:27:02 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 EB9B8A3BAC5 for ; Sun, 29 Nov 2015 05:27:01 +0000 (UTC) (envelope-from noname.esst@yahoo.com) Received: from nm7-vm4.bullet.mail.ne1.yahoo.com (nm7-vm4.bullet.mail.ne1.yahoo.com [98.138.91.167]) (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 B6FB51D8F for ; Sun, 29 Nov 2015 05:27:01 +0000 (UTC) (envelope-from noname.esst@yahoo.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1448774434; bh=1Kjxatwb2T8y0eRR8jD1mrLDhZTOHKadJg5bX815UaI=; h=Date:From:Reply-To:To:Subject:References:From:Subject; b=CKkevhHCz7yCI1jXUx7oWdNDMmkhLkNGkPTvIcDvakOF4jzviQBNI9PPa6bga/0VHWs0TJ99xJrgqU/elNSRxjO5DiT+z2Vl1uSWLjYXVS1X6j5ghIRDxLRxVjZT+AwmLCfrs8s8ME7IFJujSC5c537ceqgKhBblLq/KuOeK9PT3c0CqINhDb9x4Aq6W8/saNCQ9Js11j3KZOpwkTTZti9LvFEQPhqun+49YQVVnH0p5wRbFIA1zwNm+PGianwEpOv/F3qv2ZClgedkSxn8+YWhuSyZGg+Pd/3hZymLDEXG/i3XmCCPQ/uY3/JfI4jzEwEjjfy+HKdCpRSi3MYeQtw== Received: from [98.138.100.113] by nm7.bullet.mail.ne1.yahoo.com with NNFMP; 29 Nov 2015 05:20:34 -0000 Received: from [98.138.87.5] by tm104.bullet.mail.ne1.yahoo.com with NNFMP; 29 Nov 2015 05:20:34 -0000 Received: from [127.0.0.1] by omp1005.mail.ne1.yahoo.com with NNFMP; 29 Nov 2015 05:20:34 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 187727.9573.bm@omp1005.mail.ne1.yahoo.com X-YMail-OSG: afL1CnoVM1kCMLB9yiLU2gWAX5UUx3Wd3_KAzUOG3Ke5qAKSUnlcn4RAcA14_bv gns4a_52AKXiQr3Xs2T8iOwNdYt_xsqC5JpZe07zclHMjOZNTTBXoIbzuQRACuRXLWaFRkxb_3.q DHJrjVB3To2fXUmyKyZo3.Xo1sXtKJyGxf0EBYaRjDhQHb8GF2wSLmjYtoQMycJ0vSoTaGfUN646 krZqkH3n7l1HbozwmZC10kTMviBGmImtm3C2uJph5yeJMF37nTiTHK1S6wuTOOd4X0IKQPYfr.b5 7xm2MlPyFONKf6MkK80_b0OdXaqfbEUFqVqwg2rVhw1KnGhaZ2J4tohhyVXcndGjO1Xzw73xcsqw 9a2jq3apLT4t6jgJJq4pRFXV8fajGDlDhXMLfHrw8m0Nr38fatRvYeSDdLwoU_PAJPe9ShVac0Ii cqTVYXOVjROVuXXu_xISfpdjbMYojAkCgSO5OrY2FeZeY2VnH4MR3dFs- Received: by 98.138.101.171; Sun, 29 Nov 2015 05:20:33 +0000 Date: Sun, 29 Nov 2015 05:20:33 +0000 (UTC) From: Nomad Esst Reply-To: Nomad Esst To: Freebsd Hackers List , FreeBSD Hackers Message-ID: <346084679.550463.1448774433434.JavaMail.yahoo@mail.yahoo.com> Subject: kernel panic in igb driver MIME-Version: 1.0 References: <346084679.550463.1448774433434.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: Sun, 29 Nov 2015 05:27:02 -0000 During some performance tests and while a voice call was going through an i= gb interface, we attempt to disconnect and connect the cable. After the int= erface comes up this kernel panic occurs: Fatal trap 12: page fault while in kernel mode cpuid =3D 0; apic id =3D 00 fault virtual address=C2=A0=C2=A0 =3D 0xc fault code=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0 =3D supervisor read data, page not present instruction pointer=C2=A0=C2=A0=C2=A0=C2=A0 =3D 0x20:0xffffffff80e189b9 stack pointer=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = =3D 0x28:0xffffff80ba3fe640 frame pointer=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = =3D 0x28:0xffffff80ba3feb20 code segment=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0 =3D base 0x0, limit 0xfffff, type 0x1b =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =3D DPL 0, = pres 1, long 1, def32 0, gran 1 processor eflags=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =3D interrupt en= abled, resume, IOPL =3D 0 current process=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =3D 12 (irq= 268: +) [ thread pid 12 tid 100114 ] Stopped at=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 igb_start_locked+0x639:=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 movzbl=C2=A0 0xc(%rbx),%esi Thanks in advance.