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From: Thomas Gleixner <tglx@linutronix.de>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>,
	linux-kernel@vger.kernel.org, LKP <lkp@01.org>,
	Ye Xiaolong <xiaolong.ye@intel.com>
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 (PST)	[thread overview]
Message-ID: <alpine.DEB.2.20.1702201806470.4208@nanos> (raw)
In-Reply-To: <20170221005341.xevdex72moyy5v4c@wfg-t540p.sh.intel.com>

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'

WARNING: multiple messages have this Message-ID (diff)
From: Thomas Gleixner <tglx@linutronix.de>
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	[thread overview]
Message-ID: <alpine.DEB.2.20.1702201806470.4208@nanos> (raw)
In-Reply-To: <20170221005341.xevdex72moyy5v4c@wfg-t540p.sh.intel.com>

[-- Attachment #1: Type: text/plain, Size: 1068 bytes --]

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'

  reply	other threads:[~2017-02-21  2:08 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-21  0:53 [hrtimer] 336a9cde10 WARNING: CPU: 1 PID: 1 at kernel/time/hrtimer.c:1090 hrtimer_init Fengguang Wu
2017-02-21  0:53 ` Fengguang Wu
2017-02-21  2:07 ` Thomas Gleixner [this message]
2017-02-21  2:07   ` Thomas Gleixner
2017-02-21  2:17   ` Fengguang Wu
2017-02-21  2:17     ` Fengguang Wu
2017-02-21  2:23   ` Ye Xiaolong
2017-02-21  2:23     ` Ye Xiaolong
2017-02-21  5:31     ` [LKP] " Ye Xiaolong
2017-02-21  5:31       ` Ye Xiaolong

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