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Date:   Tue, 21 Feb 2017 10:17:24 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Marc Zyngier <marc.zyngier@....com>, linux-kernel@...r.kernel.org,
        LKP <lkp@...org>, Ye Xiaolong <xiaolong.ye@...el.com>
Subject: Re: [hrtimer] 336a9cde10 WARNING: CPU: 1 PID: 1 at
 kernel/time/hrtimer.c:1090 hrtimer_init

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'

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