Date: Tue, 25 Aug 2015 13:22:03 -0700 From: Bryan Drewery <bdrewery@FreeBSD.org> To: Andriy Gapon <avg@FreeBSD.org>, "freebsd-fs@freebsd.org" <freebsd-fs@FreeBSD.org> Cc: Alexander Motin <mav@FreeBSD.org> Subject: Re: l2arc_feed_thread page fault on r287138 Message-ID: <55DCCE6B.5010906@FreeBSD.org> In-Reply-To: <55DCCE0D.8050902@FreeBSD.org> References: <55DCCDA3.8030605@FreeBSD.org> <55DCCE0D.8050902@FreeBSD.org>
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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--
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