From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Josh Triplett <josh@joshtriplett.org>,
Steven Rostedt <rostedt@goodmis.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Andy Lutomirski <luto@amacapital.net>,
linux-kernel@vger.kernel.org, linux-next@vger.kernel.org,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Subject: RCU: dyntick_idle warnings
Date: Thu, 10 Nov 2016 16:57:19 +0900 [thread overview]
Message-ID: <20161110075719.GA502@swordfish> (raw)
Hello Paul,
x86_64, linux-next 20161110
WARN_ON_ONCE(!(special & RCU_DYNTICK_CTRL_CTR));
[ 0.436242] ------------[ cut here ]------------
[ 0.436307] WARNING: CPU: 3 PID: 0 at kernel/rcu/tree.c:380 rcu_momentary_dyntick_idle+0xa7/0xb8
[ 0.436381] Modules linked in:
[ 0.436437] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.9.0-rc4-next-20161110-dbg-00001-g0d7df5d-dirty #863
[ 0.436513] Hardware name: SAMSUNG ELECTRONICS CO.,LTD Samsung DeskTop System/Samsung DeskTop System, BIOS 05CC 04/09/2010
[ 0.436595] Call Trace:
[ 0.436651] dump_stack+0x4d/0x63
[ 0.436706] __warn+0xb8/0xd3
[ 0.436760] warn_slowpath_null+0x18/0x1a
[ 0.436815] rcu_momentary_dyntick_idle+0xa7/0xb8
[ 0.436872] rcu_note_context_switch+0x2c8/0x2d5
[ 0.436930] __schedule+0x62/0x3b6
[ 0.436984] schedule+0x84/0x95
[ 0.437038] schedule_preempt_disabled+0x10/0x19
[ 0.437095] cpu_startup_entry+0x18c/0x191
[ 0.437152] start_secondary+0xef/0xf2
[ 0.437207] start_cpu+0x5/0x14
[ 0.437263] ---[ end trace c0bbb435a1f86b8a ]---
WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1));
[ 0.895911] ------------[ cut here ]------------
[ 0.895966] WARNING: CPU: 0 PID: 1 at kernel/rcu/tree.c:1116 rcu_nmi_exit+0x63/0x82
[ 0.896026] Modules linked in:^Ac
[ 0.896078] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.0-rc4-next-20161110-dbg-00001-g0d7df5d-dirty #863
[ 0.896157] Hardware name: SAMSUNG ELECTRONICS CO.,LTD Samsung DeskTop System/Samsung DeskTop System, BIOS 05CC 04/09/2010
[ 0.896236] Call Trace:
[ 0.896287] <NMI>
[ 0.896338] dump_stack+0x4d/0x63
[ 0.896390] __warn+0xb8/0xd3
[ 0.896442] warn_slowpath_null+0x18/0x1a
[ 0.896495] rcu_nmi_exit+0x63/0x82
[ 0.896548] do_nmi+0x2b4/0x31f
[ 0.896600] end_repeat_nmi+0x1a/0x1e
[ 0.896652] RIP: 0010:ioread32+0xb/0x2f
[ 0.896705] RSP: 0000:ffffc900000176c0 EFLAGS: 00000296^Ac
[ 0.896762] RAX: 0000000000000004 RBX: ffff880132868a80 RCX: 0000000000000000
[ 0.896820] RDX: 0000000000000003 RSI: ffffc9000100e180 RDI: ffffc9000100e180
[ 0.896879] RBP: ffffc900000176c8 R08: 000000000000000a R09: 000000000000b885
[ 0.896938] R10: ffffc900000178e8 R11: ffff8801330b0080 R12: 00000000fffb6f2e
[ 0.896996] R13: 0000000000000006 R14: 000000000000005b R15: ffff88013288f848
[ 0.897055] ? ioread32+0xb/0x2f
[ 0.897107] ? ioread32+0xb/0x2f
[ 0.897160] <EOE>
[ 0.897210] ? nv50_i2c_bus_sense_scl+0x1f/0x24
[ 0.897265] nvkm_i2c_bus_getscl+0xa/0xc
[ 0.897318] sclhi+0x36/0x6a
[ 0.897369] i2c_outb+0x49/0xcf
[ 0.897422] try_address+0x30/0x6f
[ 0.897475] bit_xfer+0x23a/0x402
[ 0.897527] __i2c_transfer+0x156/0x18b
[ 0.897581] i2c_transfer+0x6e/0x8c
[ 0.897634] ? nvkm_fantog_create+0xcd/0xcd
[ 0.897688] nvkm_i2c_bus_probe+0x141/0x200
[ 0.897741] ? extdev_table+0xa7/0xc6
[ 0.897793] nvkm_therm_ic_ctor+0x141/0x14f
[ 0.897847] ? nvkm_therm_ic_ctor+0x141/0x14f
[ 0.897900] ? nvbios_rd08+0x1a/0x30
[ 0.897953] ? nvbios_therm_sensor_parse+0x97/0x1ca
[ 0.898008] nvkm_therm_oneinit+0x19/0x3b
[ 0.898061] nvkm_subdev_init+0x89/0x195
[ 0.898114] nvkm_device_init+0x145/0x204
[ 0.898167] nvkm_udevice_init+0x2f/0x4a
[ 0.898220] nvkm_object_init+0x71/0x15d
[ 0.898273] nvkm_ioctl_new+0x1aa/0x27a
[ 0.898326] ? nvkm_client_notify+0x22/0x22
[ 0.898380] ? nvkm_udevice_rd08+0x1f/0x1f
[ 0.898434] nvkm_ioctl+0x174/0x1d0
[ 0.898487] nvkm_client_ioctl+0xd/0xf
[ 0.898540] nvif_object_ioctl+0x42/0x44
[ 0.898594] nvif_object_init+0xc4/0x104
[ 0.898647] nvif_device_init+0xd/0x2b
[ 0.898700] nouveau_drm_load+0x269/0x89e
[ 0.898753] drm_dev_register+0x7f/0xc0
[ 0.898806] drm_get_pci_dev+0xf3/0x1bd
[ 0.898860] nouveau_drm_probe+0x1a2/0x1c1
[ 0.898913] pci_device_probe+0x7e/0xe6
[ 0.898966] driver_probe_device+0x130/0x284
[ 0.899020] __driver_attach+0x6a/0x8c
[ 0.899074] ? driver_probe_device+0x284/0x284
[ 0.899128] bus_for_each_dev+0x68/0x80
[ 0.899181] driver_attach+0x19/0x1b
[ 0.899234] bus_add_driver+0xe9/0x1d9
[ 0.899287] driver_register+0x83/0xba
[ 0.899340] ? ttm_init+0x5d/0x5d
[ 0.899393] __pci_register_driver+0x47/0x49
[ 0.899446] drm_pci_init+0x47/0xc8
[ 0.899500] ? ttm_init+0x5d/0x5d
[ 0.899552] ? set_debug_rodata+0x12/0x12
[ 0.899605] nouveau_drm_init+0x1db/0x1dd
[ 0.899658] do_one_initcall+0x8b/0x10e
[ 0.899711] ? set_debug_rodata+0x12/0x12
[ 0.899765] kernel_init_freeable+0x123/0x1ab
[ 0.899819] ? rest_init+0x7d/0x7d
[ 0.899871] kernel_init+0x9/0xeb
[ 0.899924] ret_from_fork+0x22/0x30
[ 0.899977] ---[ end trace c0bbb435a1f86b8b ]---
-ss
WARNING: multiple messages have this Message-ID (diff)
From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Josh Triplett <josh@joshtriplett.org>,
Steven Rostedt <rostedt@goodmis.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Andy Lutomirski <luto@amacapital.net>,
linux-kernel@vger.kernel.org, linux-next@vger.kernel.org,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Subject: [linux-next] RCU: dyntick_idle warnings
Date: Thu, 10 Nov 2016 16:57:19 +0900 [thread overview]
Message-ID: <20161110075719.GA502@swordfish> (raw)
Hello Paul,
x86_64, linux-next 20161110
WARN_ON_ONCE(!(special & RCU_DYNTICK_CTRL_CTR));
[ 0.436242] ------------[ cut here ]------------
[ 0.436307] WARNING: CPU: 3 PID: 0 at kernel/rcu/tree.c:380 rcu_momentary_dyntick_idle+0xa7/0xb8
[ 0.436381] Modules linked in:
[ 0.436437] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.9.0-rc4-next-20161110-dbg-00001-g0d7df5d-dirty #863
[ 0.436513] Hardware name: SAMSUNG ELECTRONICS CO.,LTD Samsung DeskTop System/Samsung DeskTop System, BIOS 05CC 04/09/2010
[ 0.436595] Call Trace:
[ 0.436651] dump_stack+0x4d/0x63
[ 0.436706] __warn+0xb8/0xd3
[ 0.436760] warn_slowpath_null+0x18/0x1a
[ 0.436815] rcu_momentary_dyntick_idle+0xa7/0xb8
[ 0.436872] rcu_note_context_switch+0x2c8/0x2d5
[ 0.436930] __schedule+0x62/0x3b6
[ 0.436984] schedule+0x84/0x95
[ 0.437038] schedule_preempt_disabled+0x10/0x19
[ 0.437095] cpu_startup_entry+0x18c/0x191
[ 0.437152] start_secondary+0xef/0xf2
[ 0.437207] start_cpu+0x5/0x14
[ 0.437263] ---[ end trace c0bbb435a1f86b8a ]---
WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1));
[ 0.895911] ------------[ cut here ]------------
[ 0.895966] WARNING: CPU: 0 PID: 1 at kernel/rcu/tree.c:1116 rcu_nmi_exit+0x63/0x82
[ 0.896026] Modules linked in:^Ac
[ 0.896078] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.0-rc4-next-20161110-dbg-00001-g0d7df5d-dirty #863
[ 0.896157] Hardware name: SAMSUNG ELECTRONICS CO.,LTD Samsung DeskTop System/Samsung DeskTop System, BIOS 05CC 04/09/2010
[ 0.896236] Call Trace:
[ 0.896287] <NMI>
[ 0.896338] dump_stack+0x4d/0x63
[ 0.896390] __warn+0xb8/0xd3
[ 0.896442] warn_slowpath_null+0x18/0x1a
[ 0.896495] rcu_nmi_exit+0x63/0x82
[ 0.896548] do_nmi+0x2b4/0x31f
[ 0.896600] end_repeat_nmi+0x1a/0x1e
[ 0.896652] RIP: 0010:ioread32+0xb/0x2f
[ 0.896705] RSP: 0000:ffffc900000176c0 EFLAGS: 00000296^Ac
[ 0.896762] RAX: 0000000000000004 RBX: ffff880132868a80 RCX: 0000000000000000
[ 0.896820] RDX: 0000000000000003 RSI: ffffc9000100e180 RDI: ffffc9000100e180
[ 0.896879] RBP: ffffc900000176c8 R08: 000000000000000a R09: 000000000000b885
[ 0.896938] R10: ffffc900000178e8 R11: ffff8801330b0080 R12: 00000000fffb6f2e
[ 0.896996] R13: 0000000000000006 R14: 000000000000005b R15: ffff88013288f848
[ 0.897055] ? ioread32+0xb/0x2f
[ 0.897107] ? ioread32+0xb/0x2f
[ 0.897160] <EOE>
[ 0.897210] ? nv50_i2c_bus_sense_scl+0x1f/0x24
[ 0.897265] nvkm_i2c_bus_getscl+0xa/0xc
[ 0.897318] sclhi+0x36/0x6a
[ 0.897369] i2c_outb+0x49/0xcf
[ 0.897422] try_address+0x30/0x6f
[ 0.897475] bit_xfer+0x23a/0x402
[ 0.897527] __i2c_transfer+0x156/0x18b
[ 0.897581] i2c_transfer+0x6e/0x8c
[ 0.897634] ? nvkm_fantog_create+0xcd/0xcd
[ 0.897688] nvkm_i2c_bus_probe+0x141/0x200
[ 0.897741] ? extdev_table+0xa7/0xc6
[ 0.897793] nvkm_therm_ic_ctor+0x141/0x14f
[ 0.897847] ? nvkm_therm_ic_ctor+0x141/0x14f
[ 0.897900] ? nvbios_rd08+0x1a/0x30
[ 0.897953] ? nvbios_therm_sensor_parse+0x97/0x1ca
[ 0.898008] nvkm_therm_oneinit+0x19/0x3b
[ 0.898061] nvkm_subdev_init+0x89/0x195
[ 0.898114] nvkm_device_init+0x145/0x204
[ 0.898167] nvkm_udevice_init+0x2f/0x4a
[ 0.898220] nvkm_object_init+0x71/0x15d
[ 0.898273] nvkm_ioctl_new+0x1aa/0x27a
[ 0.898326] ? nvkm_client_notify+0x22/0x22
[ 0.898380] ? nvkm_udevice_rd08+0x1f/0x1f
[ 0.898434] nvkm_ioctl+0x174/0x1d0
[ 0.898487] nvkm_client_ioctl+0xd/0xf
[ 0.898540] nvif_object_ioctl+0x42/0x44
[ 0.898594] nvif_object_init+0xc4/0x104
[ 0.898647] nvif_device_init+0xd/0x2b
[ 0.898700] nouveau_drm_load+0x269/0x89e
[ 0.898753] drm_dev_register+0x7f/0xc0
[ 0.898806] drm_get_pci_dev+0xf3/0x1bd
[ 0.898860] nouveau_drm_probe+0x1a2/0x1c1
[ 0.898913] pci_device_probe+0x7e/0xe6
[ 0.898966] driver_probe_device+0x130/0x284
[ 0.899020] __driver_attach+0x6a/0x8c
[ 0.899074] ? driver_probe_device+0x284/0x284
[ 0.899128] bus_for_each_dev+0x68/0x80
[ 0.899181] driver_attach+0x19/0x1b
[ 0.899234] bus_add_driver+0xe9/0x1d9
[ 0.899287] driver_register+0x83/0xba
[ 0.899340] ? ttm_init+0x5d/0x5d
[ 0.899393] __pci_register_driver+0x47/0x49
[ 0.899446] drm_pci_init+0x47/0xc8
[ 0.899500] ? ttm_init+0x5d/0x5d
[ 0.899552] ? set_debug_rodata+0x12/0x12
[ 0.899605] nouveau_drm_init+0x1db/0x1dd
[ 0.899658] do_one_initcall+0x8b/0x10e
[ 0.899711] ? set_debug_rodata+0x12/0x12
[ 0.899765] kernel_init_freeable+0x123/0x1ab
[ 0.899819] ? rest_init+0x7d/0x7d
[ 0.899871] kernel_init+0x9/0xeb
[ 0.899924] ret_from_fork+0x22/0x30
[ 0.899977] ---[ end trace c0bbb435a1f86b8b ]---
-ss
next reply other threads:[~2016-11-10 7:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-10 7:57 Sergey Senozhatsky [this message]
2016-11-10 7:57 ` [linux-next] RCU: dyntick_idle warnings Sergey Senozhatsky
2016-11-10 14:54 ` Paul E. McKenney
2016-11-10 14:54 ` [linux-next] " Paul E. McKenney
2016-11-11 0:27 ` Sergey Senozhatsky
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20161110075719.GA502@swordfish \
--to=sergey.senozhatsky.work@gmail.com \
--cc=josh@joshtriplett.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-next@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=mathieu.desnoyers@efficios.com \
--cc=paulmck@linux.vnet.ibm.com \
--cc=rostedt@goodmis.org \
--cc=sergey.senozhatsky@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.