Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933478Ab1ETNNu (ORCPT ); Fri, 20 May 2011 09:13:50 -0400 Received: from mx1.redhat.com ([209.132.183.28]:17699 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932176Ab1ETNNr (ORCPT ); Fri, 20 May 2011 09:13:47 -0400 Message-ID: <4DD6690A.4020704@redhat.com> Date: Fri, 20 May 2011 15:13:46 +0200 From: Zdenek Kabelac Organization: Red Hat User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc16 Lightning/1.0b3pre Thunderbird/3.1.10 MIME-Version: 1.0 To: mhiramat@redhat.com, LKML Subject: WARNING: at kernel/trace/ftrace.c:1007 X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3118 Lines: 66 Hi I've recompiled today 2.6.39 kernel - and this warning now appears in the dmesg.log: I'm using T61, C2D, 4G, x86-64 kernel with ftrace support compiled in. [ 0.000000] hpet clockevent registered [ 0.000000] Fast TSC calibration using PIT [ 0.000000] Detected 2194.744 MHz processor. [ 0.006670] Calibrating delay loop (skipped), value calculated using timer frequency.. 4391.38 BogoMIPS (lpj=7315 813) [ 0.013340] pid_max: default: 32768 minimum: 301 [ 0.016751] Security Framework initialized [ 0.020013] SELinux: Disabled at boot. [ 0.023364] Mount-cache hash table entries: 256 [ 0.030572] Initializing cgroup subsys ns [ 0.033341] ns_cgroup deprecated: consider using the 'clone_children' flag without the ns_cgroup. [ 0.036673] Initializing cgroup subsys cpuacct [ 0.040015] Initializing cgroup subsys devices [ 0.043337] Initializing cgroup subsys freezer [ 0.046733] CPU: Physical Processor ID: 0 [ 0.050005] CPU: Processor Core ID: 0 [ 0.053338] mce: CPU supports 6 MCE banks [ 0.056676] CPU0: Thermal monitoring enabled (TM2) [ 0.060006] using mwait in idle threads. [ 0.063408] ACPI: Core revision 20110316 [ 0.100021] ftrace: allocating 16635 entries in 66 pages [ 0.106426] ------------[ cut here ]------------ [ 0.106660] WARNING: at kernel/trace/ftrace.c:1007 ftrace_bug+0x26c/0x2c0() [ 0.106660] Hardware name: 6464CTO [ 0.106660] Modules linked in: [ 0.106660] Pid: 0, comm: swapper Not tainted 2.6.39-00006-g10d1a81 #16 [ 0.106660] Call Trace: [ 0.106660] [] warn_slowpath_common+0x7f/0xc0 [ 0.106660] [] ? inat_get_avx_attribute+0x3/0x50 [ 0.106660] [] ? inat_get_avx_attribute+0x3/0x50 [ 0.106660] [] warn_slowpath_null+0x1a/0x20 [ 0.106660] [] ftrace_bug+0x26c/0x2c0 [ 0.106660] [] ? inat_get_avx_attribute+0x3/0x50 [ 0.106660] [] ftrace_process_locs+0x1da/0x2f0 [ 0.106660] [] ftrace_init+0x18e/0x1b2 [ 0.106660] [] ? acpi_enable_subsystem+0x68/0x143 [ 0.106660] [] start_kernel+0x38d/0x39d [ 0.106660] [] x86_64_start_reservations+0x132/0x136 [ 0.106660] [] x86_64_start_kernel+0xf0/0xf7 [ 0.106660] ---[ end trace 4eaa2a86a8e2da22 ]--- [ 0.106660] ftrace failed to modify [] inat_get_avx_attribute+0x3/0x50 [ 0.106660] actual: e5:e8:a7:9f:20 [ 0.106834] Setting APIC routing to flat [ 0.110523] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.149646] CPU0: Intel(R) Core(TM)2 Duo CPU T7500 @ 2.20GHz stepping 0a [ 0.159990] Performance Events: PEBS fmt0+, Core2 events, Intel PMU driver. [ 0.163327] PEBS disabled due to CPU errata. Zdenek -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/