From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751512AbdBUFc1 (ORCPT ); Tue, 21 Feb 2017 00:32:27 -0500 Received: from mga09.intel.com ([134.134.136.24]:63417 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750837AbdBUFcL (ORCPT ); Tue, 21 Feb 2017 00:32:11 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.35,188,1484035200"; d="scan'208";a="68225265" Date: Tue, 21 Feb 2017 13:31:19 +0800 From: Ye Xiaolong To: Fengguang Wu , Marc Zyngier Cc: Thomas Gleixner , LKP , linux-kernel@vger.kernel.org Subject: Re: [LKP] [hrtimer] 336a9cde10 WARNING: CPU: 1 PID: 1 at kernel/time/hrtimer.c:1090 hrtimer_init Message-ID: <20170221053119.GA17556@yexl-desktop> References: <20170221005341.xevdex72moyy5v4c@wfg-t540p.sh.intel.com> <20170221022351.GD10024@yexl-desktop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170221022351.GD10024@yexl-desktop> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/21, Ye Xiaolong wrote: >Hi, fengguang >On 02/20, Thomas Gleixner wrote: >>On Tue, 21 Feb 2017, Fengguang Wu wrote: >> >>> Hi Marc, >>> >>> FYI here is another bisect result. The attached reproduce-* script can >>> be used to reproduce the bug. >> >>Again. This is a problem in the calling code The WARN_ON merily shows the >>wreckage in the caller. Marc sent you a patch already... > >I'm verifying the fix patch. Marc's workaround patch fixed this warning. Tested-by: Xiaolong Ye Thanks, Xiaolong > >Thanks, >Xiaolong >> >>> [ 11.409712] hrtimer_init+0x11f/0x199 >>> [ 11.410666] ? mac80211_hwsim_get_tsf+0x1d/0x1d >>> [ 11.411766] tasklet_hrtimer_init+0x1b/0x4f >>> [ 11.412802] mac80211_hwsim_new_radio+0x7fe/0x916 >>> [ 11.413935] ? set_debug_rodata+0x12/0x12 >>> [ 11.414904] init_mac80211_hwsim+0x138/0x29f >>> [ 11.415822] ? rndis_wlan_driver_init+0x1b/0x1b >>> [ 11.416775] do_one_initcall+0x90/0x142 >>> [ 11.417632] ? set_debug_rodata+0x12/0x12 >>> [ 11.418511] kernel_init_freeable+0x1cb/0x258 >>> [ 11.419433] ? rest_init+0x13b/0x13b >>> [ 11.420233] kernel_init+0xe/0xf5 >>> [ 11.421006] ret_from_fork+0x2a/0x40 >>> [ 11.421838] ---[ end trace 9c23eceab0d16aa5 ]--- >>> [ 11.423540] ieee80211 phy1: Selected rate control algorithm 'minstrel_ht' >_______________________________________________ >LKP mailing list >LKP@lists.01.org >https://lists.01.org/mailman/listinfo/lkp From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============1821538249184568396==" MIME-Version: 1.0 From: Ye Xiaolong To: lkp@lists.01.org Subject: Re: [hrtimer] 336a9cde10 WARNING: CPU: 1 PID: 1 at kernel/time/hrtimer.c:1090 hrtimer_init Date: Tue, 21 Feb 2017 13:31:19 +0800 Message-ID: <20170221053119.GA17556@yexl-desktop> In-Reply-To: <20170221022351.GD10024@yexl-desktop> List-Id: --===============1821538249184568396== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On 02/21, Ye Xiaolong wrote: >Hi, fengguang >On 02/20, Thomas Gleixner wrote: >>On Tue, 21 Feb 2017, Fengguang Wu wrote: >> >>> Hi Marc, >>> = >>> FYI here is another bisect result. The attached reproduce-* script can >>> be used to reproduce the bug. >> >>Again. This is a problem in the calling code The WARN_ON merily shows the >>wreckage in the caller. Marc sent you a patch already... > >I'm verifying the fix patch. Marc's workaround patch fixed this warning. Tested-by: Xiaolong Ye Thanks, Xiaolong > >Thanks, >Xiaolong >> >>> [ 11.409712] hrtimer_init+0x11f/0x199 >>> [ 11.410666] ? mac80211_hwsim_get_tsf+0x1d/0x1d >>> [ 11.411766] tasklet_hrtimer_init+0x1b/0x4f >>> [ 11.412802] mac80211_hwsim_new_radio+0x7fe/0x916 >>> [ 11.413935] ? set_debug_rodata+0x12/0x12 >>> [ 11.414904] init_mac80211_hwsim+0x138/0x29f >>> [ 11.415822] ? rndis_wlan_driver_init+0x1b/0x1b >>> [ 11.416775] do_one_initcall+0x90/0x142 >>> [ 11.417632] ? set_debug_rodata+0x12/0x12 >>> [ 11.418511] kernel_init_freeable+0x1cb/0x258 >>> [ 11.419433] ? rest_init+0x13b/0x13b >>> [ 11.420233] kernel_init+0xe/0xf5 >>> [ 11.421006] ret_from_fork+0x2a/0x40 >>> [ 11.421838] ---[ end trace 9c23eceab0d16aa5 ]--- >>> [ 11.423540] ieee80211 phy1: Selected rate control algorithm 'minstre= l_ht' >_______________________________________________ >LKP mailing list >LKP(a)lists.01.org >https://lists.01.org/mailman/listinfo/lkp --===============1821538249184568396==--