From owner-freebsd-current@freebsd.org Wed Jan 18 14:31:18 2017 Return-Path: Delivered-To: freebsd-current@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 2DCEDCB5399 for ; Wed, 18 Jan 2017 14:31:18 +0000 (UTC) (envelope-from sbruno@freebsd.org) Received: from mail.ignoranthack.me (ignoranthack.me [199.102.79.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 10BE1107F for ; Wed, 18 Jan 2017 14:31:17 +0000 (UTC) (envelope-from sbruno@freebsd.org) Received: from [192.168.0.6] (67-0-248-244.albq.qwest.net [67.0.248.244]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sbruno@ignoranthack.me) by mail.ignoranthack.me (Postfix) with ESMTPSA id 965021928BA; Wed, 18 Jan 2017 14:31:15 +0000 (UTC) Subject: Re: crash in iflib_fast_intr To: peter.blok@bsd4all.org, freebsd-current@freebsd.org References: <0D6E88B3-6EB8-428F-B116-40D304CD74E5@bsd4all.org> From: Sean Bruno Message-ID: <132b9c54-26dd-c57d-2fbb-58f8f9b256b0@freebsd.org> Date: Wed, 18 Jan 2017 07:31:12 -0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 MIME-Version: 1.0 In-Reply-To: <0D6E88B3-6EB8-428F-B116-40D304CD74E5@bsd4all.org> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="o43iuihpdUrPAv3Vt58q6l2lga4AsaP4c" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Jan 2017 14:31:18 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --o43iuihpdUrPAv3Vt58q6l2lga4AsaP4c Content-Type: multipart/mixed; boundary="BrwEmlQowaJCecqlvuVWTgogLeFL521Vs"; protected-headers="v1" From: Sean Bruno To: peter.blok@bsd4all.org, freebsd-current@freebsd.org Message-ID: <132b9c54-26dd-c57d-2fbb-58f8f9b256b0@freebsd.org> Subject: Re: crash in iflib_fast_intr References: <0D6E88B3-6EB8-428F-B116-40D304CD74E5@bsd4all.org> In-Reply-To: <0D6E88B3-6EB8-428F-B116-40D304CD74E5@bsd4all.org> --BrwEmlQowaJCecqlvuVWTgogLeFL521Vs Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 01/18/17 03:37, peter.blok@bsd4all.org wrote: > Hi, >=20 > A kernel without option EARLY_AP_STARTUP crashes in if lib_fast_intr. S= ince GENERIC now has EARLY_AP_STARTUP, this probably got unnoticed. Probl= em is reproducible. >=20 > KDB: stack backtrace: > #0 0xffffffff805cec97 at kdb_backtrace+0x67 > #1 0xffffffff80584816 at vpanic+0x186 > #2 0xffffffff80584683 at panic+0x43 > #3 0xffffffff8090f222 at trap_fatal+0x322 > #4 0xffffffff8090f3ec at trap_pfault+0x1bc > #5 0xffffffff8090eaa0 at trap+0x280 > #6 0xffffffff808f35e1 at calltrap+0x8 > #7 0xffffffff806a202d at iflib_fast_intr+0x3d > #8 0xffffffff8054963b at intr_event_handle+0x9b > #9 0xffffffff80965f38 at intr_execute_handlers+0x48 > #10 0xffffffff8096b1cf at lapic_handle_intr+0x3f > #11 0xffffffff808f3cc7 at Xapic_isr1+0xb7 > #12 0xffffffff805b994a at sched_idletd+0x37a > #13 0xffffffff805460f5 at fork_exit+0x85 > #14 0xffffffff808f3b1e at fork_trampoline+0xe >=20 > Peter Thanks for the report. We're looking at this. This is with an igb(4) interface or em(4)? sean --BrwEmlQowaJCecqlvuVWTgogLeFL521Vs-- --o43iuihpdUrPAv3Vt58q6l2lga4AsaP4c Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQGTBAEBCgB9FiEEuq1GMucSHejSCZfdEgHvyh5yfmQFAlh/fDBfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEJB QUQ0NjMyRTcxMjFERThEMjA5OTdERDEyMDFFRkNBMUU3MjdFNjQACgkQEgHvyh5y fmStRwgAw4tvnlPRZnlswyugAekyBkT12h8g9kItkg+Z5qbFO9s3PfuKKwpM3Pg/ wPpz6WIQ4aSGj1T6+3qeJ4sR0/a7BD+x0IdnT44P6DGHhVJ+jXYxcqPBPvqUTWnS /2pIsRXf9nvVgCY4nKrWTosqLFqkXYLnJvtdBXmE5SQ1hjK6z3NHz2iootqCk9pz 6wx/2YbkORnmFfZ9O7WfljQOblnjZC02pZ3tw1zj042n+U40b9t6R9AzH12mz1M8 viZRgXIT5kdZTXFSyiJJmLstWeuzRCiJjUQIe0VxpzwDv5wUqvg8KFFWFpjBau9N hK4b7zzwOUIuhxx1rvHPVmlaCCKnNg== =mlSX -----END PGP SIGNATURE----- --o43iuihpdUrPAv3Vt58q6l2lga4AsaP4c--