From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: Info: mapping multiple BARs. Your kernel is fine. Date: Mon, 24 Feb 2014 17:24:00 +0100 Message-ID: <20140224162400.GE16457@pd.tnic> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org To: lkml Cc: Peter Zijlstra , Daniel Vetter , intel-gfx@lists.freedesktop.org, x86@kernel.org, Paul Mackerras , dri-devel@lists.freedesktop.org, Arnaldo Carvalho de Melo List-Id: intel-gfx@lists.freedesktop.org This started happening this morning after booting -rc4+tip, let's add *everybody* to CC :-) We have intel_uncore_init, snb_uncore_imc_init_box, uncore_pci_probe and other goodies on the stack. ... [ 0.488998] software IO TLB [mem 0xcac30000-0xcec30000] (64MB) mapped at [ffff8800cac30000-ffff8800cec2ffff] [ 0.489975] resource map sanity check conflict: 0xfed10000 0xfed15fff 0xfed10000 0xfed13fff pnp 00:01 [ 0.490079] ------------[ cut here ]------------ [ 0.490204] WARNING: CPU: 2 PID: 1 at arch/x86/mm/ioremap.c:171 __ioremap_caller+0x372/0x380() [ 0.490306] Info: mapping multiple BARs. Your kernel is fine. [ 0.490371] Modules linked in: [ 0.490558] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 3.14.0-rc4+ #1 [ 0.490642] Hardware name: LENOVO 2320CTO/2320CTO, BIOS G2ET86WW (2.06 ) 11/13/2012 [ 0.490742] 00000000000000ab ffff880213d01ad8 ffffffff816112e3 0000000000000006 [ 0.491032] ffff880213d01b28 ffff880213d01b18 ffffffff8104e9bc ffff880213d01b08 [ 0.491343] ffffc90000c58000 00000000fed10000 00000000fed10000 0000000000006000 [ 0.491631] Call Trace: [ 0.493337] [] dump_stack+0x4f/0x7c [ 0.493420] [] warn_slowpath_common+0x8c/0xc0 [ 0.493503] [] warn_slowpath_fmt+0x46/0x50 [ 0.493588] [] __ioremap_caller+0x372/0x380 [ 0.493674] [] ? snb_uncore_imc_init_box+0x62/0x90 [ 0.493761] [] ioremap_nocache+0x17/0x20 [ 0.493846] [] snb_uncore_imc_init_box+0x62/0x90 [ 0.493933] [] uncore_pci_probe+0xe5/0x1e0 [ 0.494020] [] local_pci_probe+0x4e/0xa0 [ 0.494104] [] ? get_device+0x19/0x20 [ 0.494213] [] pci_device_probe+0xe1/0x130 [ 0.494300] [] driver_probe_device+0x7b/0x240 [ 0.494385] [] __driver_attach+0xab/0xb0 [ 0.494469] [] ? driver_probe_device+0x240/0x240 [ 0.494551] [] bus_for_each_dev+0x5e/0x90 [ 0.494634] [] driver_attach+0x1e/0x20 [ 0.494718] [] bus_add_driver+0x117/0x230 [ 0.494802] [] driver_register+0x64/0xf0 [ 0.494884] [] __pci_register_driver+0x64/0x70 [ 0.494972] [] ? uncore_types_init+0x19c/0x19c [ 0.495056] [] intel_uncore_init+0x177/0x41c [ 0.495155] [] ? uncore_types_init+0x19c/0x19c [ 0.495242] [] do_one_initcall+0x4e/0x170 [ 0.495326] [] ? parse_args+0x60/0x360 [ 0.495411] [] kernel_init_freeable+0x106/0x19a [ 0.495497] [] ? do_early_param+0x86/0x86 [ 0.495582] [] ? rest_init+0xd0/0xd0 [ 0.495666] [] kernel_init+0xe/0xf0 [ 0.495749] [] ret_from_fork+0x7c/0xb0 [ 0.495831] [] ? rest_init+0xd0/0xd0 [ 0.495921] ---[ end trace 428f365c054d9a01 ]--- [ 0.496196] RAPL PMU detected, hw unit 2^-16 Joules, API unit is 2^-32 Joules, 3 fixed counters 163840 ms ovfl timer [ 0.498598] futex hash table entries: 1024 (order: 5, 131072 bytes) [ 0.498833] audit: initializing netlink subsys (disabled) [ 0.499024] audit: type=2000 audit(1393259866.477:1): initialized ... -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --