Re: [hrtimer] 336a9cde10 WARNING: CPU: 1 PID: 1 at kernel/time/hrtimer.c:1090 hrtimer_init
From: Ye Xiaolong
Date: Mon Feb 20 2017 - 21:24:54 EST
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.
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'