From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751195AbdBUCUH (ORCPT ); Mon, 20 Feb 2017 21:20:07 -0500 Received: from mga04.intel.com ([192.55.52.120]:63806 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750977AbdBUCUG (ORCPT ); Mon, 20 Feb 2017 21:20:06 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.35,187,1484035200"; d="scan'208";a="826577824" Date: Tue, 21 Feb 2017 10:17:24 +0800 From: Fengguang Wu To: Thomas Gleixner Cc: Marc Zyngier , linux-kernel@vger.kernel.org, LKP , Ye Xiaolong Subject: Re: [hrtimer] 336a9cde10 WARNING: CPU: 1 PID: 1 at kernel/time/hrtimer.c:1090 hrtimer_init Message-ID: <20170221021724.nha5nhbchyewpvfw@wfg-t540p.sh.intel.com> References: <20170221005341.xevdex72moyy5v4c@wfg-t540p.sh.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20161104 (1.7.1) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 20, 2017 at 06:07:57PM -0800, 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... Ah OK -- sorry I'm lost in the lots of bugs.. >> [ 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' From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============5460212943104356885==" MIME-Version: 1.0 From: Fengguang Wu 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 10:17:24 +0800 Message-ID: <20170221021724.nha5nhbchyewpvfw@wfg-t540p.sh.intel.com> In-Reply-To: List-Id: --===============5460212943104356885== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Mon, Feb 20, 2017 at 06:07:57PM -0800, 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... Ah OK -- sorry I'm lost in the lots of bugs.. >> [ 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' --===============5460212943104356885==--