From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751481AbbCTRdG (ORCPT ); Fri, 20 Mar 2015 13:33:06 -0400 Received: from smtprelay0225.hostedemail.com ([216.40.44.225]:42880 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751321AbbCTRdD (ORCPT ); Fri, 20 Mar 2015 13:33:03 -0400 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 10,1,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::::::,RULES_HIT:41:69:355:379:541:800:960:966:973:988:989:1260:1277:1311:1313:1314:1345:1437:1515:1516:1518:1534:1542:1593:1594:1711:1730:1747:1777:1792:1981:2194:2196:2199:2200:2393:2553:2559:2562:3138:3139:3140:3141:3142:3352:3865:3867:3868:3870:3872:4321:4385:4401:5007:6261:7875:7903:8660:9163:9545:10007:10026:10400:10848:11026:11232:11658:11914:12043:12262:12438:12517:12519:12555:12679:12710:12737:12740:13148:13161:13229:13230:21080,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:1:0 X-HE-Tag: alarm47_718d88fe94b31 X-Filterd-Recvd-Size: 3061 Date: Fri, 20 Mar 2015 13:32:59 -0400 From: Steven Rostedt To: LKML Cc: Stephen Rothwell , Sudeep Holla , Thomas Gleixner , Borislav Petkov , Ingo Molnar , "H. Peter Anvin" , Andre Przywara Subject: [linux-next] Warning from fs/sysfs/group.c:102 Message-ID: <20150320133259.1518b4ad@gandalf.local.home> X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.25; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I decided to run my tracing tests on linux-next and they failed with the following warning: [drm] Initialized i915 1.6.0 20150130 for 0000:00:02.0 on minor 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at /home/rostedt/work/git/linux-trace.git/fs/sysfs/group.c:102 internal_create_group+0x77/0x1b9() sysfs: (bin_)attrs not set by subsystem for group: index3/ Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.0.0-rc4-test+ #59 Hardware name: MSI MS-7823/CSM-H87M-G43 (MS-7823), BIOS V1.6 02/22/2014 00000000 00000000 f2e47db0 c0ca3069 c1025b72 f2e47de0 c043ccfe c1025baa f2e47e0c 00000001 c1025b72 00000066 c05808fe c05808fe c115e4c8 ffffffea f10ed808 f2e47df8 c043cda0 00000009 f2e47df0 c1025baa f2e47e0c f2e47e30 Call Trace: [] dump_stack+0x41/0x52 [] warn_slowpath_common+0x9d/0xb4 [] ? internal_create_group+0x77/0x1b9 [] ? internal_create_group+0x77/0x1b9 [] warn_slowpath_fmt+0x33/0x35 [] internal_create_group+0x77/0x1b9 [] sysfs_create_group+0x11/0x13 [] sysfs_create_groups+0x23/0x51 [] device_add+0x20d/0x4cf [] ? kfree+0x46/0xf5 [] cpu_device_create+0x5b/0x77 [] cache_add_dev+0x142/0x193 [] cacheinfo_sysfs_init+0x2d/0x7f [] do_one_initcall+0x10a/0x1a5 [] ? container_dev_init+0x30/0x30 [] ? container_dev_init+0x30/0x30 [] ? parse_args+0x272/0x388 [] kernel_init_freeable+0x184/0x22b [] ? do_early_param+0x74/0x74 [] kernel_init+0x10/0xd0 [] ? schedule_tail+0x11/0x4d [] ret_from_kernel_thread+0x21/0x30 [] ? rest_init+0x11d/0x11d ---[ end trace 8b432669a035454b ]--- error populating cacheinfo..cpu0 Doing a git bisect, it ended on this commit: commit 0d55ba46bfbee64fd2b492b87bfe2ec172e7b056 Author: Sudeep Holla Date: Wed Mar 4 12:00:16 2015 +0000 Subject: x86/cacheinfo: Move cacheinfo sysfs code to generic infrastructure Reverting this commit makes the warning go away. -- Steve