From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: Re: ixgbe dump Date: Mon, 22 Nov 2010 15:22:13 -0800 Message-ID: <1290468133.2603.2.camel@jtkirshe-MOBL1> References: <4CE47FA6.8050600@kernel.org> <29F4ED941D916B48B88B4D2A4F3D1B9C01CBFC68C5@orsmsx509.amr.corp.intel.com> Reply-To: jeffrey.t.kirsher@intel.com Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-1zVR6Ho0i4/Uj2p8szXG" Cc: "Skidmore, Donald C" , "Brandeburg, Jesse" , David Miller , NetDev To: Yinghai Lu Return-path: Received: from mga11.intel.com ([192.55.52.93]:4903 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757881Ab0KVXWR (ORCPT ); Mon, 22 Nov 2010 18:22:17 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: --=-1zVR6Ho0i4/Uj2p8szXG Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2010-11-22 at 14:41 -0800, Yinghai Lu wrote: > On Thu, Nov 18, 2010 at 11:30 AM, Skidmore, Donald C > wrote: > >>-----Original Message----- > >>From: netdev-owner@vger.kernel.org [mailto:netdev-owner@vger.kernel.org= ] On > >>Behalf Of Yinghai Lu > >>Sent: Wednesday, November 17, 2010 5:22 PM > >>To: Brandeburg, Jesse; David Miller > >>Cc: NetDev > >>Subject: ixgbe dump > >> > >>[ 1546.287521] md: stopping all md devices. > >>[ 1547.283729] kvm: exiting hardware virtualization > >>[ 1547.292876] sd 2:2:1:0: [sdb] Synchronizing SCSI cache > >>[ 1547.293831] sd 2:2:0:0: [sda] Synchronizing SCSI cache > >>[ 1547.299627] BUG: unable to handle kernel NULL pointer dereference at > >>0000000000000033 > >>[ 1547.315819] IP: [] ixgbe_set_rx_mode+0x265/0x38e > >>[ 1547.316448] PGD 3ff4487067 PUD 3ff216b067 PMD 0 > >>[ 1547.335626] Oops: 0000 [#1] SMP > >>[ 1547.335941] last sysfs file: /sys/kernel/kexec_loaded > >>[ 1547.336381] CPU 0 > >>[ 1547.336548] Modules linked in: > >>[ 1547.355798] > >>[ 1547.355968] Pid: 25630, comm: kexec Not tainted 2.6.37-rc2-tip-yh-01= 961- > >>g6034289-dirty #281 /Sun Fire X4800 > >>[ 1547.375849] RIP: 0010:[] [] > >>ixgbe_set_rx_mode+0x265/0x38e > >>[ 1547.395543] RSP: 0018:ffff881fb9d49ce8 EFLAGS: 00010287 > >>[ 1547.396080] RAX: 0000000000000000 RBX: ffff88dffe5a0940 RCX: > >>ffff88dffe5a0940 > >>[ 1547.415635] RDX: 0000000000000000 RSI: 0000000000000001 RDI: > >>ffffc90077780000 > >>[ 1547.416299] RBP: ffff881fb9d49d48 R08: 0000000000000000 R09: > >>0000000000000000 > >>[ 1547.435860] R10: 000000000000a608 R11: 0000000000000000 R12: > >>0000000000000000 > >>[ 1547.455516] R13: ffff88dffe5a0000 R14: 0000000000003400 R15: > >>ffff881fb9d49db7 > >>[ 1547.456257] FS: 00000000006e0850(0063) GS:ffff88207d600000(0000) > >>knlGS:0000000000000000 > >>[ 1547.475937] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > >>[ 1547.495330] CR2: 0000000000000033 CR3: 0000003ffa77e000 CR4: > >>00000000000006f0 > >>[ 1547.496009] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > >>0000000000000000 > >>[ 1547.515594] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > >>0000000000000400 > >>[ 1547.516229] Process kexec (pid: 25630, threadinfo ffff881fb9d48000, = task > >>ffff881f8a57a2d0) > >>[ 1547.536039] Stack: > >>[ 1547.536244] 0000000000000040 0000002b00000000 ffff881ffedc1000 > >>0000000000000006 > >>[ 1547.555894] ffff88dffe5a1b40 0b00000081454ec8 ffff881fb9d49d48 > >>ffff88dffe5a0940 > >>[ 1547.575411] ffff881ffedc1000 000000000000001e 0000000000000000 > >>ffff881fb9d49db7 > >>[ 1547.576131] Call Trace: > >>[ 1547.595251] [] __ixgbe_shutdown+0x9d/0x153 > >>[ 1547.595770] [] ixgbe_shutdown+0x1a/0x43 > >>[ 1547.615250] [] pci_device_shutdown+0x2c/0x40 > >>[ 1547.615887] [] device_shutdown+0x75/0xb0 > >>[ 1547.635268] [] kernel_restart_prepare+0x2c/0x33 > >>[ 1547.635927] [] kernel_kexec+0x38/0x6b > >>[ 1547.655252] [] sys_reboot+0x156/0x194 > >>[ 1547.655765] [] ? __d_free+0x59/0x5e > >>[ 1547.675145] [] ? d_free+0x54/0x66 > >>[ 1547.675612] [] ? d_kill+0x3b/0x43 > >>[ 1547.695025] [] ? dput+0x40/0x140 > >>[ 1547.695539] [] ? fput+0x1d7/0x1e6 > >>[ 1547.696045] [] ? sysret_check+0x27/0x62 > >>[ 1547.715426] [] ? trace_hardirqs_on_thunk+0x3a/0x3= f > >>[ 1547.734897] [] system_call_fastpath+0x16/0x1b > >>[ 1547.735428] Code: d2 e9 81 00 00 00 48 8b 83 00 12 00 00 8b 80 88 50= 00 > >>00 0d 00 00 00 80 e9 a7 00 00 00 48 8b 81 00 0a 00 00 48 8b bb 00 12 00= 00 > >><0f> b6 40 33 83 f8 3f 7f 0d 89 c6 c1 e6 06 81 c6 28 10 00 00 eb > >>[ 1547.775262] RIP [] ixgbe_set_rx_mode+0x265/0x38e > >>[ 1547.775909] RSP > >>[ 1547.794997] CR2: 0000000000000033 > >>[ 1547.795987] ---[ end trace 4ed9616adc45007c ]--- > >>-- > >>To unsubscribe from this list: send the line "unsubscribe netdev" in > >>the body of a message to majordomo@vger.kernel.org > >>More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > Thanks for the dump. > > > > I believe I've found the problem and will get a patch to Jeff shortly. >=20 > Did you have that patch posted already? >=20 > Thanks >=20 > Yinghai It is not posted yet. Don got the patch to our testers and they are doing a quick validation on the patch before I post it to netdev. I can send you the patch, so that you can assist in letting us know if it resolves the issue. Cheers, Jeff --=-1zVR6Ho0i4/Uj2p8szXG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQEcBAABAgAGBQJM6vsbAAoJECTsCADr/EWU4a4H/0giSSKE/L1yzVDMkEEBl+Tc ywbFF0GoPKljSUWqnQnFYqDJE8HwJJmWu9TOyrulwFEBmS8fSANFgoYT+WWNaTYT 0bWTOaxClnDw1m/VjGitmOyIIx4Sa4/1yzPGgN9wg/PJDT1siRORVEn7pHFj88QJ KzvgCuJhYxcMtLMwKQ25Uzdsc/5QOUsov6IqOxViFMKXl/28Hho+DG+ocWE7U0mz XsG9cXjbeYTWCeoBdWyv9BzgM67/EOA7bYSQbXVNmBWI+oQotyYx+qDk3Hp730F1 5xRhSbM0by6GH1Mo5lkeu+2MbtUyzI4Bfw2jg54y1tfZPPNjHRzebWuqbdEtNBQ= =v281 -----END PGP SIGNATURE----- --=-1zVR6Ho0i4/Uj2p8szXG--