From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751131AbdBUCIH (ORCPT ); Mon, 20 Feb 2017 21:08:07 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:37357 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750925AbdBUCIG (ORCPT ); Mon, 20 Feb 2017 21:08:06 -0500 Date: Mon, 20 Feb 2017 18:07:57 -0800 (PST) From: Thomas Gleixner To: Fengguang Wu 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 In-Reply-To: <20170221005341.xevdex72moyy5v4c@wfg-t540p.sh.intel.com> Message-ID: References: <20170221005341.xevdex72moyy5v4c@wfg-t540p.sh.intel.com> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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... > [ 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="===============2432184116294018496==" MIME-Version: 1.0 From: Thomas Gleixner To: lkp@lists.01.org Subject: Re: [hrtimer] 336a9cde10 WARNING: CPU: 1 PID: 1 at kernel/time/hrtimer.c:1090 hrtimer_init Date: Mon, 20 Feb 2017 18:07:57 -0800 Message-ID: In-Reply-To: <20170221005341.xevdex72moyy5v4c@wfg-t540p.sh.intel.com> List-Id: --===============2432184116294018496== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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... > [ 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' --===============2432184116294018496==--