From owner-freebsd-fs@freebsd.org Tue Aug 25 20:22:04 2015 Return-Path: Delivered-To: freebsd-fs@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 A94389C3AE7 for ; Tue, 25 Aug 2015 20:22:04 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id 920A01A22; Tue, 25 Aug 2015 20:22:04 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mail.xzibition.com (localhost [IPv6:::1]) by freefall.freebsd.org (Postfix) with ESMTP id 8B30C1292; Tue, 25 Aug 2015 20:22:04 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mail.xzibition.com (localhost [172.31.3.2]) by mail.xzibition.com (Postfix) with ESMTP id 4C09E799C; Tue, 25 Aug 2015 20:22:04 +0000 (UTC) X-Virus-Scanned: amavisd-new at mail.xzibition.com Received: from mail.xzibition.com ([172.31.3.2]) by mail.xzibition.com (mail.xzibition.com [172.31.3.2]) (amavisd-new, port 10026) with LMTP id FWwN9Qhp0C9F; Tue, 25 Aug 2015 20:22:02 +0000 (UTC) Subject: Re: l2arc_feed_thread page fault on r287138 DKIM-Filter: OpenDKIM Filter v2.9.2 mail.xzibition.com E9E757997 To: Andriy Gapon , "freebsd-fs@freebsd.org" References: <55DCCDA3.8030605@FreeBSD.org> <55DCCE0D.8050902@FreeBSD.org> Cc: Alexander Motin From: Bryan Drewery Openpgp: id=F9173CB2C3AAEA7A5C8A1F0935D771BB6E4697CF; url=http://www.shatow.net/bryan/bryan2.asc Organization: FreeBSD Message-ID: <55DCCE6B.5010906@FreeBSD.org> Date: Tue, 25 Aug 2015 13:22:03 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <55DCCE0D.8050902@FreeBSD.org> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="1Mo0UQoMRf89W4Uf0RgjsVi2LJakixIK6" X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Aug 2015 20:22:04 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --1Mo0UQoMRf89W4Uf0RgjsVi2LJakixIK6 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 8/25/2015 1:20 PM, Andriy Gapon wrote: > On 25/08/2015 23:18, Bryan Drewery wrote: >>> Fatal trap 12: page fault while in kernel mode >>> cpuid =3D 2; apic id =3D 02 >>> fault virtual address =3D 0xc4 >>> fault code =3D supervisor read data, page not present >>> instruction pointer =3D 0x20:0xffffffff80ce6c63 >>> stack pointer =3D 0x28:0xfffffe3553e689d0 >>> frame pointer =3D 0x28:0xfffffe3553e68a00 >>> code segment =3D base 0x0, limit 0xfffff, type 0x1b >>> =3D DPL 0, pres 1, long 1, def32 0, gran 1 >>> processor eflags =3D interrupt enabled, resume, IOPL =3D 0 >>> current process =3D 6 (l2arc_feed_thread) >>> [ thread pid 6 tid 100172 ] >>> Stopped at uma_dbg_free+0x53: movl 0xc4(%rdi),%esi >>> db> bt >>> Tracing pid 6 tid 100172 td 0xfffff8012551c9a0 >>> uma_dbg_free() at uma_dbg_free+0x53/frame 0xfffffe3553e68a00 >>> uma_zfree_arg() at uma_zfree_arg+0xaf/frame 0xfffffe3553e68a60 >>> l2arc_feed_thread() at l2arc_feed_thread+0xe0b/frame 0xfffffe3553e68b= b0 >>> fork_exit() at fork_exit+0x84/frame 0xfffffe3553e68bf0 >>> fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe3553e68bf0 >>> --- trap 0, rip =3D 0, rsp =3D 0, rbp =3D 0 --- >>> db> >> >=20 > A little bit more debug info like line numbers, argument values, etc > would be nice. >=20 Sure, once I can actually get on the system. It panics quite quickly. --=20 Regards, Bryan Drewery --1Mo0UQoMRf89W4Uf0RgjsVi2LJakixIK6 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBAgAGBQJV3M5rAAoJEDXXcbtuRpfPvkgIAMI+auE5KY41FT8DId1n6Xp7 ISHrTnVSTBXPgIzXGOTnmgIQdz2eelY7gd8MvgNAgnVwfx0chldhGSwJkxvmxJq4 PsfaYuGLRX+n8VGeQQW16FLcDDv0H3USg30/UhG6j3obsfkCKbme2ss5+omgSWv1 P1MHZQMV21viRHtM6xy+zkwzaiy50Q3a6RA0N+cXtjmvnEq4h75MIAvQDN8FQaX9 +1VeUaYcLL4Nu24LjNAf4bPG78wAwFECtD6TA5/ALxTPucKUt6voteM6uE5ZFi2v vOOMQYgV5PGkX2QmqnpuyecmqjVDUu740bVoVLBtfCIN4oTThZfmlDseDV34w4A= =YWFr -----END PGP SIGNATURE----- --1Mo0UQoMRf89W4Uf0RgjsVi2LJakixIK6--