From owner-freebsd-net@freebsd.org Sun Nov 29 05:22:12 2015 Return-Path: Delivered-To: freebsd-net@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 62D68A3BA03 for ; Sun, 29 Nov 2015 05:22:12 +0000 (UTC) (envelope-from noname.esst@yahoo.com) Received: from nm9.bullet.mail.ne1.yahoo.com (nm9.bullet.mail.ne1.yahoo.com [98.138.90.72]) (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 2ECB11C6F for ; Sun, 29 Nov 2015 05:22:12 +0000 (UTC) (envelope-from noname.esst@yahoo.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1448774389; bh=LHhQBSs00ITD+AG1FqMmwm6ee1lNxyoxLangTZSqbqQ=; h=Date:From:Reply-To:To:Subject:References:From:Subject; b=KK3e0pStBUSPVXFh3w2T/YCm0gi7zP2Ss8Ymn7W37xXbydmsbSC2GujzXc2j5ogjYzgXekFZJ/t5RqFTz9uwVbEpzvx9y4c+sfsj+0BGCeel9jvt6WWv9RpSiA5vFI+LAngcw8uS45pNDjdN0gMDF2h8jsrwX9h70VRg6VTJatFYFcGVkavS/OzVBPcEBP5nj1PFco8LIt5V6HydZzQJjfVkmltutQEl2DNSei1URSEZI+Kv+fApVRJaPuCBIHulBSC25rD7vcXiGo4Bwu4ksweG2beRf1cdh7Ca4NAfO3d2KnCx0K75qW4aHDOjxF9PI7xKBc+ZVWL9UAO2GAFABw== Received: from [98.138.100.118] by nm9.bullet.mail.ne1.yahoo.com with NNFMP; 29 Nov 2015 05:19:49 -0000 Received: from [98.138.226.163] by tm109.bullet.mail.ne1.yahoo.com with NNFMP; 29 Nov 2015 05:19:48 -0000 Received: from [127.0.0.1] by omp1064.mail.ne1.yahoo.com with NNFMP; 29 Nov 2015 05:19:48 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 923982.24407.bm@omp1064.mail.ne1.yahoo.com X-YMail-OSG: Vun7F7MVM1ndRImnkPuh.RU4xZhvsKeeyE.9n9Xg4D_uTM0A2lHYbAvQgiID2eb 3uMKpKlKC1ZloNl_RxTOH_570gko1tpZE6ZoNv9vovqZZiWodq8IAOD.ioVET8bWgxwgra3BFP3q GaOSryDx8.qxIzS.RW5M_GnpJmFSx.36A05MQ7TJydZ9yncnvmuQlJI7IiQBMPDrH_v2.6ADHuDt XA9taN4pREbePMTkdE.EHq1B4f2hx_ITyMe8Xt_EgqAGOEvbCkx2QX9CqL.OoZO33nJW32v3ODcp TvKWL7ot5gr4v2CbPvtVyzy8p21e6NjAOdvQ7BplvQvl9YfEgLeEE9PZcUIvAoEWb.R4pYMoaRs3 HJAW_hZEnWxxfNYYeU9J8N7wAo3zjEpiBN.p24FSc1CriAWaliZ4Y7f1Mr0etMXHCTuZIVisrZPz e9R7MWJsn6opIxNbdLCQaGgKa2WvBbMMJ_dCg4s0Ouo4YsZzGmnT_v.s.8lSD4kYP983mU_6tyTZ VpS7Z0JOs.Wtmko4- Received: by 98.138.101.172; Sun, 29 Nov 2015 05:19:48 +0000 Date: Sun, 29 Nov 2015 05:19:48 +0000 (UTC) From: Nomad Esst Reply-To: Nomad Esst To: FreeBSD Net Message-ID: <63933653.9768704.1448774388191.JavaMail.yahoo@mail.yahoo.com> Subject: kernel panic in igb driver MIME-Version: 1.0 References: <63933653.9768704.1448774388191.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-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 29 Nov 2015 05:22:12 -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.