From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from latitanza.investici.org ([82.94.249.234]:23028 "EHLO latitanza.investici.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751362Ab2EZIul (ORCPT ); Sat, 26 May 2012 04:50:41 -0400 Date: Sat, 26 May 2012 10:25:52 +0200 From: Antonio Quartulli To: Bjorn Helgaas , linux-pci@vger.kernel.org Subject: warn_slowpath_common in drivers/pci/search.c:44 on linux-3.4.0 Message-ID: <20120526082551.GA2723@ritirata.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="nFreZHaLTZJo0R7j" Sender: linux-pci-owner@vger.kernel.org List-ID: --nFreZHaLTZJo0R7j Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello, I'm getting this warning with linux-3.4.0. My laptop is a DELL E5420. Please tell me if you need further testing/debug. Cheers, [ 1.054279] WARNING: at drivers/pci/search.c:44 pci_find_upstream_pcie_b= ridge+0x5e/0x70() [ 1.054385] Hardware name: Latitude E5420 [ 1.054457] Modules linked in: [ 1.054568] Pid: 1, comm: swapper/0 Not tainted 3.4.0ordex+ #3 [ 1.054643] Call Trace: [ 1.054716] [] warn_slowpath_common+0x7a/0xb0 [ 1.054793] [] warn_slowpath_null+0x15/0x20 [ 1.054869] [] pci_find_upstream_pcie_bridge+0x5e/0x70 [ 1.054949] [] intel_iommu_device_group+0x77/0x100 [ 1.055027] [] add_iommu_group+0x35/0x60 [ 1.055113] [] ? bus_set_iommu+0x50/0x50 [ 1.055191] [] bus_for_each_dev+0x56/0x90 [ 1.055267] [] bus_set_iommu+0x3b/0x50 [ 1.055344] [] intel_iommu_init+0xab0/0xb3f [ 1.055421] [] ? sys_mkdirat+0x76/0xd0 [ 1.055499] [] ? memblock_find_dma_reserve+0x13d/0x13d [ 1.055578] [] pci_iommu_init+0x13/0x3e [ 1.055655] [] do_one_initcall+0x3a/0x170 [ 1.055732] [] kernel_init+0x148/0x1cc [ 1.055807] [] ? do_early_param+0x86/0x86 [ 1.055884] [] kernel_thread_helper+0x4/0x10 [ 1.055963] [] ? finish_task_switch+0x80/0x110 [ 1.056040] [] ? retint_restore_args+0xe/0xe [ 1.056126] [] ? start_kernel+0x30b/0x30b [ 1.056203] [] ? gs_change+0xb/0xb --=20 Antonio Quartulli =2E.each of us alone is worth nothing.. Ernesto "Che" Guevara --nFreZHaLTZJo0R7j Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQEcBAEBAgAGBQJPwJOPAAoJEFMQTLzJFOZFPQwH/iwpageWWE0YguQfAfp/QLkM kBTGfKw4muAhJJpFZ558aZ6hukuYwvEB64DaBIWxRL8GELLktVN8ZBzi/SCdxDmE 4VHVVAbOr7WozqwI5myd6tqJJCfq6KnK/yoBvUF6+SR1PHjaY5ygD2e2gQMjXS6U 886UkqPBwucLeUPaBkKI1h0e3NdHzPqhalwFyOaTKsRUV70LPcsdzrQMJcmEUDvt faVUY6owIbKkG7Hbi63ThHziY0RanrbvIbZsY3+V0xt3TLqZYm9+5iu5MsKzU78v 1d6ypQ34JgQJMuEHfoJsNXoi2khODj7k+FtKMCKnYXEmHIsw+jGcjr9XwgZhMDA= =Bkad -----END PGP SIGNATURE----- --nFreZHaLTZJo0R7j--