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Message-ID: <87powklu4h.fsf@yhuang-dev.intel.com>
Date: Fri, 29 Jan 2016 15:31:10 +0800
From: kernel test robot <ying.huang@...ux.intel.com>
TO: Johannes Berg <johannes.berg@...el.com>
CC: Beniamino Galvani <bgalvani@...hat.com>
Subject: [lkp] [wext] 6a9a24baba: BUG: spinlock bad magic on CPU#0,
swapper/0/1
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit 6a9a24baba28599b0bb8453ae6a6a06ad79701a0 ("wext: fix message delay/ordering")
[ 0.821194] e820: reserve RAM buffer [mem 0x167e0000-0x17ffffff]
[ 0.823299] NET: Registered protocol family 23
[ 0.823299] NET: Registered protocol family 23
[ 0.824526] BUG: spinlock bad magic on CPU#0, swapper/0/1
[ 0.824526] BUG: spinlock bad magic on CPU#0, swapper/0/1
[ 0.826041] lock: init_net+0xe78/0xf00, .magic: 00000000, .owner: swapper/0/1, .owner_cpu: 0
[ 0.826041] lock: init_net+0xe78/0xf00, .magic: 00000000, .owner: swapper/0/1, .owner_cpu: 0
[ 0.828388] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.0-03435-g6a9a24b #1
[ 0.828388] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.0-03435-g6a9a24b #1
[ 0.830342] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 0.830342] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 0.832868] ffffffff886ed7f8
[ 0.832868] ffffffff886ed7f8 ffff8800131b7d88 ffff8800131b7d88 ffffffff87eb8f86 ffffffff87eb8f86 ffff8800131b2040 ffff8800131b2040
[ 0.835143] ffff8800131b7da8
[ 0.835143] ffff8800131b7da8 ffffffff87d25897 ffffffff87d25897 ffffffff886ed7f8 ffffffff886ed7f8 ffffffff886ed7f8 ffffffff886ed7f8
[ 0.837376] ffff8800131b7dc0
[ 0.837376] ffff8800131b7dc0 ffffffff87d25b10 ffffffff87d25b10 0000000000000286 0000000000000286 ffff8800131b7de0 ffff8800131b7de0
[ 0.842451] Call Trace:
[ 0.842451] Call Trace:
[ 0.843040] [<ffffffff87eb8f86>] dump_stack+0x4b/0x63
[ 0.843040] [<ffffffff87eb8f86>] dump_stack+0x4b/0x63
[ 0.844370] [<ffffffff87d25897>] spin_dump+0x78/0xbb
[ 0.844370] [<ffffffff87d25897>] spin_dump+0x78/0xbb
[ 0.845662] [<ffffffff87d25b10>] do_raw_spin_unlock+0x64/0xba
[ 0.845662] [<ffffffff87d25b10>] do_raw_spin_unlock+0x64/0xba
[ 0.847114] [<ffffffff88123874>] _raw_spin_unlock_irqrestore+0x2c/0x5d
[ 0.847114] [<ffffffff88123874>] _raw_spin_unlock_irqrestore+0x2c/0x5d
[ 0.848654] [<ffffffff8807c341>] skb_dequeue+0x59/0x67
[ 0.848654] [<ffffffff8807c341>] skb_dequeue+0x59/0x67
[ 0.849874] [<ffffffff880edfe4>] wireless_nlevent_flush+0x54/0x8d
[ 0.849874] [<ffffffff880edfe4>] wireless_nlevent_flush+0x54/0x8d
[ 0.851321] [<ffffffff880ee02b>] wext_netdev_notifier_call+0xe/0x15
[ 0.851321] [<ffffffff880ee02b>] wext_netdev_notifier_call+0xe/0x15
[ 0.853020] [<ffffffff8808aa37>] register_netdevice_notifier+0x8a/0x1b9
[ 0.853020] [<ffffffff8808aa37>] register_netdevice_notifier+0x8a/0x1b9
[ 0.854689] [<ffffffff8895e4f6>] ? wext_pernet_init+0x4a/0x4a
[ 0.854689] [<ffffffff8895e4f6>] ? wext_pernet_init+0x4a/0x4a
[ 0.856159] [<ffffffff8895e506>] wireless_nlevent_init+0x10/0x22
[ 0.856159] [<ffffffff8895e506>] wireless_nlevent_init+0x10/0x22
[ 0.857556] [<ffffffff87c003d9>] do_one_initcall+0xb3/0x1fa
[ 0.857556] [<ffffffff87c003d9>] do_one_initcall+0xb3/0x1fa
[ 0.858853] [<ffffffff87cf5024>] ? parse_args+0x26b/0x4c4
[ 0.858853] [<ffffffff87cf5024>] ? parse_args+0x26b/0x4c4
[ 0.860344] [<ffffffff889170c2>] kernel_init_freeable+0x10f/0x194
[ 0.860344] [<ffffffff889170c2>] kernel_init_freeable+0x10f/0x194
[ 0.861889] [<ffffffff881168ac>] ? rest_init+0xcc/0xcc
[ 0.861889] [<ffffffff881168ac>] ? rest_init+0xcc/0xcc
[ 0.863210] [<ffffffff881168ba>] kernel_init+0xe/0xde
[ 0.863210] [<ffffffff881168ba>] kernel_init+0xe/0xde
[ 0.864587] [<ffffffff8812462f>] ret_from_fork+0x3f/0x70
[ 0.864587] [<ffffffff8812462f>] ret_from_fork+0x3f/0x70
[ 0.866178] [<ffffffff881168ac>] ? rest_init+0xcc/0xcc
[ 0.866178] [<ffffffff881168ac>] ? rest_init+0xcc/0xcc
[ 0.867927] HPET: 3 timers in total, 0 timers will be used for per-cpu timer
[ 0.867927] HPET: 3 timers in total, 0 timers will be used for per-cpu timer
[ 0.870286] clocksource: Switched to clocksource kvm-clock
Thanks,
Kernel Test Robot
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