From mboxrd@z Thu Jan 1 00:00:00 1970 From: William Dauchy Subject: Re: igbvf warning on 3.14.x Date: Tue, 26 Aug 2014 17:54:24 +0200 Message-ID: <20140826155424.GM8801@gandi.net> References: <20140815131426.GA4638@gandi.net> <1408109225.2391.30.camel@jtkirshe-mobl> <20140826073613.GH8801@gandi.net> <9BBC4E0CF881AA4299206E2E1412B6264FBD7D4B@ORSMSX102.amr.corp.intel.com> <9B4A1B1917080E46B64F07F2989DADD6533D2F95@ORSMSX114.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="vdqwC0msT4ilQ2it" Cc: "Wyborny, Carolyn" , William Dauchy , "Williams, Mitch A" , "netdev@vger.kernel.org" , e1000-devel , "Kirsher, Jeffrey T" To: "Fujinaka, Todd" Return-path: Received: from mail4.gandi.net ([217.70.183.210]:42801 "EHLO mail4.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751482AbaHZPyH (ORCPT ); Tue, 26 Aug 2014 11:54:07 -0400 Content-Disposition: inline In-Reply-To: <9B4A1B1917080E46B64F07F2989DADD6533D2F95@ORSMSX114.amr.corp.intel.com> Sender: netdev-owner@vger.kernel.org List-ID: --vdqwC0msT4ilQ2it Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Aug26 15:25, Fujinaka, Todd wrote: > Can you please send clear repro steps and I'll submit it to our lab for r= epro. We'll need what equipment you're running (on both sides of the link),= the kind of traffic you're running, the OS & kernel you're running, etc. the switch used is a cisco C6506 the server is a dell C6100 the network card intel 82576 Gigabit Network Connection I'm using a linux stable release v3.14.x (last version) the boot cmdline has igb.max_vfs=3D2 as argument no specific traffic but the machine is booting through pxe boot using nfs the trace is a bit random at boot time (some boot are clean) here is a the trace as a reminder: igbvf 0000:01:10.3: PF still resetting igbvf 0000:01:10.1: PF still resetting ------------[ cut here ]------------ WARNING: CPU: 11 PID: 1 at drivers/net/ethernet/intel/igbvf/netdev.c:1718 igbvf_close+0x66/0x70() CPU: 11 PID: 1 Comm: swapper/0 Not tainted 3.14.17 #1 Hardware name: Dell C6100 /0D61XP, BIOS 1.69 06/22/2012 0000000000000009 ffffffffa95a5d15 0000000000000000 ffffffffa90954e8 ffff880c1d33e000 ffff880c1d33e7c0 8000000000000000 0000000000000001 0000000000000001 ffffffffa93a6676 ffff880c1d33e000 ffffc9000624bdb8 Call Trace: [] ? dump_stack+0x49/0x7c [] ? warn_slowpath_common+0x68/0x80 [] ? igbvf_close+0x66/0x70 [] ? __dev_close_many+0x88/0xe0 [] ? __dev_close+0x25/0x40 [] ? __dev_change_flags+0xab/0x180 [] ? dev_change_flags+0x1e/0x60 [] ? ic_close_devs+0x2c/0x40 [] ? ip_auto_config+0xbf3/0xec7 [] ? kset_register+0x50/0x70 [] ? __insert_resource+0x1e/0x130 [] ? root_nfs_parse_addr+0xa7/0xa7 [] ? do_one_initcall+0x8c/0x107 [] ? kernel_init_freeable+0x15a/0x1e1 [] ? do_early_param+0x9b/0x9b [] ? rest_init+0x80/0x80 [] ? kernel_init+0x5/0xf0 [] ? ret_from_fork+0x74/0xa0 [] ? rest_init+0x80/0x80 ---[ end trace 90b2a2646f143695 ]--- igbvf 0000:01:10.1: PF still resetting igbvf 0000:01:10.3: PF still resetting ixgbe 0000:03:00.0: removed PHC on eth6 ixgbe 0000:03:00.1: removed PHC on eth7 Regards, --=20 William --vdqwC0msT4ilQ2it Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlP8rbAACgkQ1I6eqOUidQEIpwCgjwdWCzZy43gE/KshGqKA1tAy fK8AnRi0dXP9UCjp73pPIYxP+1pv9w/n =9nVY -----END PGP SIGNATURE----- --vdqwC0msT4ilQ2it--