From owner-freebsd-net@FreeBSD.ORG Sat Sep 28 21:30:47 2013 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id C191AF63; Sat, 28 Sep 2013 21:30:47 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 60A9E23E8; Sat, 28 Sep 2013 21:30:47 +0000 (UTC) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.14.7/8.14.7) with ESMTP id r8SLUcNX002065; Sun, 29 Sep 2013 00:30:38 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.8.3 kib.kiev.ua r8SLUcNX002065 Received: (from kostik@localhost) by tom.home (8.14.7/8.14.7/Submit) id r8SLUcis002064; Sun, 29 Sep 2013 00:30:38 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Sun, 29 Sep 2013 00:30:38 +0300 From: Konstantin Belousov To: jfv@freebsd.org Subject: igb(4) panic: already enqueue Message-ID: <20130928213038.GT41229@kib.kiev.ua> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="AhxFwN0LxQS9jVnS" Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on tom.home Cc: net@freebsd.org X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Sep 2013 21:30:47 -0000 --AhxFwN0LxQS9jVnS Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On a relatively old test machine, dual-socket X7DWU supermicro, Xeon X5272, with on-board 82575EB igb controllers, running the stress2 udp blast test immediately causes the following panic: buf=3D0xfffff8001aa5c800 already enqueue at 1445 prod=3D1315 cons=3D= 1445 cpuid =3D 3 KDB: stack backtrace: db_trace_self_wrapper() at 0xffffffff802839ab =3D db_trace_self_wrapper+0x2= b/frame 0xfffffe0123570600 vpanic() at 0xffffffff8033bd96 =3D vpanic+0x126/frame 0xfffffe0123570640 panic() at 0xffffffff8033be23 =3D panic+0x43/frame 0xfffffe01235706a0 igb_mq_start() at 0xffffffff80bcb228 =3D igb_mq_start+0xb8/frame 0xfffffe01= 23570710 =20 ether_output() at 0xffffffff804072a8 =3D ether_output+0x5c8/frame 0xfffffe0= 123570780 =20 ip_output() at 0xffffffff80430be1 =3D ip_output+0xe91/frame 0xfffffe0123570= 860 udp_send() at 0xffffffff804a5fc4 =3D udp_send+0x834/frame 0xfffffe0123570910 sosend_dgram() at 0xffffffff803b517b =3D sosend_dgram+0x36b/frame 0xfffffe0= 123570990 =20 soo_write() at 0xffffffff8039dbb9 =3D soo_write+0x49/frame 0xfffffe01235709= d0 dofilewrite() at 0xffffffff803956c5 =3D dofilewrite+0x85/frame 0xfffffe0123= 570a20 kern_writev() at 0xffffffff803953d5 =3D kern_writev+0x65/frame 0xfffffe0123= 570a70 sys_write() at 0xffffffff80395363 =3D sys_write+0x63/frame 0xfffffe0123570a= c0 amd64_syscall() at 0xffffffff8053ae7d =3D amd64_syscall+0x28d/frame 0xfffff= e0123570bf0 Test is available at svn:base/user/pho/stress2/testcases/udp, invocation line is BLASTHOST=3D192.168.5.1 ./udp -t 10m -i 50 -h -v Substitute the BLASTHOST with the ip address of a scratch box. This is on the yesterday HEAD. Could you, please, fix this ? --AhxFwN0LxQS9jVnS Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.21 (FreeBSD) iQIcBAEBAgAGBQJSR0p9AAoJEJDCuSvBvK1B+agP/Au+5XtY7QsXwXVtFPpn1/uK doEc5bupoK6ROUQnudx3qSl/UERb6Jy0Bae31CvurirY+fw4LGUnhURNsydKxrtr 0jqlVBJiod9koKCe+P41Vlc1Md8vJyoSqKXJ/DApi2JAMqmihaXABDj3xEtLZfA9 V/jEeLn/sYw0hV9V5rmE+n04wlXI+wl8WPsllpho1mK8tspbPGkPJ7AcHqfm67kN +ZZLyP2dTYZIV12ibF47heGkRyayvb1E2NTDPsJdY+BqJFzDbB754HdAdXsCcQOv 6KG+1x7m1beYRmNwwAGVWnjScIRLTTHoHMO3HWUMuUfgvODgbg/FgyNHtjgPEQ3F nNo/ZPeaBUo34TFcnB00bziDYDLStM9VoPbPyBdB/tqFV+JOh7DjB7WAD1WJQFVT o4VlsG4E2aXO+hXKvRS/6d53HGGDKLiWdk30PvZhqMQwBtS91H1snpjda1DclQ3L UPgLTe6aiya32a5ZlFlXv56cqsDk+SQn7uiCO3gh8XNnpFQqRJtuj3v3Pm3EEU7y L0fkbGG3sGN7eQksPCPkbSv67Sxua27+AskDoSpGJ3fJSgOTr/FtALID6sEBusBx YyjXnX/8dklZrDlIik10PC53xEKKwfnRDEj66QDjiAktsYfUb8yQ5FZTN4LTK6iu s3zjI+yN/BuLbvI6TtGn =2v+W -----END PGP SIGNATURE----- --AhxFwN0LxQS9jVnS--