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SubjectRe: [3.4-rc1][Regression][network wireless] 'task xxxx blocked for more than 120 seconds' after resume
From
Date
-ilw
+netdev

I have no idea what this could be, but I'm almost certain it's not
caused by our wireless driver. Looks more like rtl8169 is to blame.

johannes


On Mon, 2012-04-02 at 21:57 +0200, Maciej Rutecki wrote:
> Last known good kernel: 3.3
>
> Bad kernel: 3.4-rc1 + patch: http://cgit.freedesktop.org/~danvet/drm-
> intel/commit/?h=drm-intel-fixes&id=55a254ac63a3ac1867d1501030e7fba69c7d4aeb
>
> Subsystem: network (wireless)
>
> After resume from suspend to disk I do not have network connection (wireless)
> and I got it in dmesg:
>
> [ 2398.278375] INFO: task nmbd:2442 blocked for more than 120 seconds.
> [ 2398.278384] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
> this message.
> [ 2398.278390] nmbd D ffff88023fb933c0 0 2442 1 0x00000000
> [ 2398.278401] ffff880232d6f5d0 0000000000000082 0000000000000206
> ffff880235186ee0
> [ 2398.278413] 00000000000133c0 ffff8802320fdfd8 ffff8802320fdfd8 ffff880232d6f5d0
> [ 2398.278423] ffff8802320fde5c ffffffff81868020 ffff880232d6f5d0 0000000000000002
> [ 2398.278433] Call Trace:
> [ 2398.278451] [<ffffffff813fba8c>] ? __mutex_lock_common.isra.5+0xff/0x164
> [ 2398.278462] [<ffffffff813fb97a>] ? mutex_lock+0x1a/0x2d
> [ 2398.278471] [<ffffffff8135bb44>] ? netlink_trim+0x13/0x79
> [ 2398.278480] [<ffffffff81349f0c>] ? rtnetlink_rcv+0xe/0x28
> [ 2398.278488] [<ffffffff8135cffc>] ? netlink_unicast+0xe6/0x14e
> [ 2398.278497] [<ffffffff8135d265>] ? netlink_sendmsg+0x201/0x23c
> [ 2398.278505] [<ffffffff811091b1>] ? __pollwait+0xce/0xce
> [ 2398.278515] [<ffffffff8132e2a2>] ? sock_sendmsg+0xca/0xe7
> [ 2398.278521] [<ffffffff811091b1>] ? __pollwait+0xce/0xce
> [ 2398.278530] [<ffffffff8103d1da>] ? sys_time+0xc/0x39
> [ 2398.278539] [<ffffffff81011e5d>] ? emulate_vsyscall+0x191/0x270
> [ 2398.278548] [<ffffffff81056a33>] ? should_resched+0x5/0x23
> [ 2398.278554] [<ffffffff813fc545>] ? _cond_resched+0x6/0x1b
> [ 2398.278562] [<ffffffff8132cd08>] ? copy_from_user+0x18/0x30
> [ 2398.278571] [<ffffffff8132fb20>] ? sys_sendto+0xf7/0x137
> [ 2398.278581] [<ffffffff810fa2a0>] ? fd_install+0x25/0x4a
> [ 2398.278591] [<ffffffff81401ff9>] ? system_call_fastpath+0x16/0x1b
> [ 2398.278659] INFO: task ifconfig:6734 blocked for more than 120 seconds.
> [ 2398.278664] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
> this message.
> [ 2398.278669] ifconfig D ffff88023fb933c0 0 6734 2598 0x00000000
> [ 2398.278678] ffff8801faae30a0 0000000000000086 0000000000000001
> ffff880235186ee0
> [ 2398.278688] 00000000000133c0 ffff880232163fd8 ffff880232163fd8 ffff8801faae30a0
> [ 2398.278697] 0000000000000001 ffff880230f2b4d8 ffff8801faae30a0
> 0000000000000002
> [ 2398.278707] Call Trace:
> [ 2398.278716] [<ffffffff813fba8c>] ? __mutex_lock_common.isra.5+0xff/0x164
> [ 2398.278723] [<ffffffff81056a33>] ? should_resched+0x5/0x23
> [ 2398.278732] [<ffffffff813fb97a>] ? mutex_lock+0x1a/0x2d
> [ 2398.278759] [<ffffffffa0116d33>] ? rtl8169_close+0x49/0x14f [r8169]
> [ 2398.278768] [<ffffffff8133cb37>] ? __dev_close_many+0x85/0xb2
> [ 2398.278775] [<ffffffff8133cb94>] ? __dev_close+0x30/0x47
> [ 2398.278783] [<ffffffff813405c0>] ? dev_set_rx_mode+0x1d/0x29
> [ 2398.278792] [<ffffffff81340844>] ? __dev_change_flags+0x9d/0x118
> [ 2398.278799] [<ffffffff81340922>] ? dev_change_flags+0x12/0x42
> [ 2398.278810] [<ffffffff8138a769>] ? devinet_ioctl+0x285/0x554
> [ 2398.278818] [<ffffffff8132cdb3>] ? sock_do_ioctl+0x1b/0x36
> [ 2398.278826] [<ffffffff8132d1be>] ? sock_ioctl+0x205/0x212
> [ 2398.278836] [<ffffffff8110887d>] ? do_vfs_ioctl+0x459/0x49a
> [ 2398.278844] [<ffffffff810ee42b>] ? kmem_cache_alloc+0x86/0xea
> [ 2398.278853] [<ffffffff81108909>] ? sys_ioctl+0x4b/0x72
> [ 2398.278862] [<ffffffff81401ff9>] ? system_call_fastpath+0x16/0x1b
> [ 2518.146666] INFO: task nmbd:2442 blocked for more than 120 seconds.
> [ 2518.146675] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
> this message.
> [ 2518.146682] nmbd D ffff88023fb933c0 0 2442 1 0x00000000
> [ 2518.146693] ffff880232d6f5d0 0000000000000082 0000000000000206
> ffff880235186ee0
> [ 2518.146704] 00000000000133c0 ffff8802320fdfd8 ffff8802320fdfd8 ffff880232d6f5d0
> [ 2518.146714] ffff8802320fde5c ffffffff81868020 ffff880232d6f5d0 0000000000000002
> [ 2518.146725] Call Trace:
> [ 2518.146743] [<ffffffff813fba8c>] ? __mutex_lock_common.isra.5+0xff/0x164
> [ 2518.146753] [<ffffffff813fb97a>] ? mutex_lock+0x1a/0x2d
> [ 2518.146763] [<ffffffff8135bb44>] ? netlink_trim+0x13/0x79
> [ 2518.146772] [<ffffffff81349f0c>] ? rtnetlink_rcv+0xe/0x28
> [ 2518.146780] [<ffffffff8135cffc>] ? netlink_unicast+0xe6/0x14e
> [ 2518.146788] [<ffffffff8135d265>] ? netlink_sendmsg+0x201/0x23c
> [ 2518.146796] [<ffffffff811091b1>] ? __pollwait+0xce/0xce
> [ 2518.146807] [<ffffffff8132e2a2>] ? sock_sendmsg+0xca/0xe7
> [ 2518.146813] [<ffffffff811091b1>] ? __pollwait+0xce/0xce
> [ 2518.146822] [<ffffffff8103d1da>] ? sys_time+0xc/0x39
> [ 2518.146831] [<ffffffff81011e5d>] ? emulate_vsyscall+0x191/0x270
> [ 2518.146839] [<ffffffff81056a33>] ? should_resched+0x5/0x23
> [ 2518.146846] [<ffffffff813fc545>] ? _cond_resched+0x6/0x1b
> [ 2518.146854] [<ffffffff8132cd08>] ? copy_from_user+0x18/0x30
> [ 2518.146862] [<ffffffff8132fb20>] ? sys_sendto+0xf7/0x137
> [ 2518.146872] [<ffffffff810fa2a0>] ? fd_install+0x25/0x4a
> [ 2518.146883] [<ffffffff81401ff9>] ? system_call_fastpath+0x16/0x1b
> [ 2518.146915] INFO: task ksysguardd:3501 blocked for more than 120 seconds.
> [ 2518.146919] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
> this message.
> [ 2518.146924] ksysguardd D ffff88023fa133c0 0 3501 3436 0x00000000
> [ 2518.146934] ffff8802322ed8d0 0000000000000082 ffff880228522980 ffffffff81813020
> [ 2518.146943] 00000000000133c0 ffff880225c7bfd8 ffff880225c7bfd8 ffff8802322ed8d0
> [ 2518.146953] 00000008a01445fe ffffffff81868020 ffff8802322ed8d0 0000000000000002
> [ 2518.146962] Call Trace:
> [ 2518.146972] [<ffffffff813fba8c>] ? __mutex_lock_common.isra.5+0xff/0x164
> [ 2518.146981] [<ffffffff813fb97a>] ? mutex_lock+0x1a/0x2d
> [ 2518.146993] [<ffffffff813daa7b>] ? wireless_dev_seq_start+0x12/0x5e
> [ 2518.147002] [<ffffffff811136bd>] ? seq_read+0x148/0x354
> [ 2518.147012] [<ffffffff81141a3e>] ? proc_reg_read+0x78/0x91
> [ 2518.147021] [<ffffffff810fb7e5>] ? vfs_read+0x9f/0xe6
> [ 2518.147028] [<ffffffff810fb871>] ? sys_read+0x45/0x6b
> [ 2518.147037] [<ffffffff81401ff9>] ? system_call_fastpath+0x16/0x1b
> [ 2518.147063] INFO: task ifconfig:6734 blocked for more than 120 seconds.
> [ 2518.147068] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
> this message.
> [ 2518.147072] ifconfig D ffff88023fb933c0 0 6734 2598 0x00000000
> [ 2518.147081] ffff8801faae30a0 0000000000000086 0000000000000001
> ffff880235186ee0
> [ 2518.147090] 00000000000133c0 ffff880232163fd8 ffff880232163fd8 ffff8801faae30a0
> [ 2518.147099] 0000000000000001 ffff880230f2b4d8 ffff8801faae30a0
> 0000000000000002
> [ 2518.147109] Call Trace:
> [ 2518.147118] [<ffffffff813fba8c>] ? __mutex_lock_common.isra.5+0xff/0x164
> [ 2518.147125] [<ffffffff81056a33>] ? should_resched+0x5/0x23
> [ 2518.147133] [<ffffffff813fb97a>] ? mutex_lock+0x1a/0x2d
> [ 2518.147160] [<ffffffffa0116d33>] ? rtl8169_close+0x49/0x14f [r8169]
> [ 2518.147169] [<ffffffff8133cb37>] ? __dev_close_many+0x85/0xb2
> [ 2518.147176] [<ffffffff8133cb94>] ? __dev_close+0x30/0x47
> [ 2518.147184] [<ffffffff813405c0>] ? dev_set_rx_mode+0x1d/0x29
> [ 2518.147192] [<ffffffff81340844>] ? __dev_change_flags+0x9d/0x118
> [ 2518.147200] [<ffffffff81340922>] ? dev_change_flags+0x12/0x42
> [ 2518.147210] [<ffffffff8138a769>] ? devinet_ioctl+0x285/0x554
> [ 2518.147219] [<ffffffff8132cdb3>] ? sock_do_ioctl+0x1b/0x36
> [ 2518.147227] [<ffffffff8132d1be>] ? sock_ioctl+0x205/0x212
> [ 2518.147237] [<ffffffff8110887d>] ? do_vfs_ioctl+0x459/0x49a
> [ 2518.147245] [<ffffffff810ee42b>] ? kmem_cache_alloc+0x86/0xea
> [ 2518.147254] [<ffffffff81108909>] ? sys_ioctl+0x4b/0x72
> [ 2518.147263] [<ffffffff81401ff9>] ? system_call_fastpath+0x16/0x1b
> [ 2638.014954] INFO: task nmbd:2442 blocked for more than 120 seconds.
> [ 2638.014963] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
> this message.
> [ 2638.014969] nmbd D ffff88023fb933c0 0 2442 1 0x00000000
> [ 2638.014980] ffff880232d6f5d0 0000000000000082 0000000000000206
> ffff880235186ee0
> [ 2638.014992] 00000000000133c0 ffff8802320fdfd8 ffff8802320fdfd8 ffff880232d6f5d0
> [ 2638.015002] ffff8802320fde5c ffffffff81868020 ffff880232d6f5d0 0000000000000002
> [ 2638.015012] Call Trace:
> [ 2638.015030] [<ffffffff813fba8c>] ? __mutex_lock_common.isra.5+0xff/0x164
> [ 2638.015041] [<ffffffff813fb97a>] ? mutex_lock+0x1a/0x2d
> [ 2638.015050] [<ffffffff8135bb44>] ? netlink_trim+0x13/0x79
> [ 2638.015059] [<ffffffff81349f0c>] ? rtnetlink_rcv+0xe/0x28
> [ 2638.015067] [<ffffffff8135cffc>] ? netlink_unicast+0xe6/0x14e
> [ 2638.015075] [<ffffffff8135d265>] ? netlink_sendmsg+0x201/0x23c
> [ 2638.015083] [<ffffffff811091b1>] ? __pollwait+0xce/0xce
> [ 2638.015093] [<ffffffff8132e2a2>] ? sock_sendmsg+0xca/0xe7
> [ 2638.015099] [<ffffffff811091b1>] ? __pollwait+0xce/0xce
> [ 2638.015108] [<ffffffff8103d1da>] ? sys_time+0xc/0x39
> [ 2638.015116] [<ffffffff81011e5d>] ? emulate_vsyscall+0x191/0x270
> [ 2638.015124] [<ffffffff81056a33>] ? should_resched+0x5/0x23
> [ 2638.015131] [<ffffffff813fc545>] ? _cond_resched+0x6/0x1b
> [ 2638.015138] [<ffffffff8132cd08>] ? copy_from_user+0x18/0x30
> [ 2638.015147] [<ffffffff8132fb20>] ? sys_sendto+0xf7/0x137
> [ 2638.015156] [<ffffffff810fa2a0>] ? fd_install+0x25/0x4a
> [ 2638.015166] [<ffffffff81401ff9>] ? system_call_fastpath+0x16/0x1b
> [ 2638.015196] INFO: task ksysguardd:3501 blocked for more than 120 seconds.
> [ 2638.015201] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
> this message.
> [ 2638.015205] ksysguardd D ffff88023fa133c0 0 3501 3436 0x00000000
> [ 2638.015214] ffff8802322ed8d0 0000000000000082 ffff880228522980 ffffffff81813020
> [ 2638.015224] 00000000000133c0 ffff880225c7bfd8 ffff880225c7bfd8 ffff8802322ed8d0
> [ 2638.015233] 00000008a01445fe ffffffff81868020 ffff8802322ed8d0 0000000000000002
> [ 2638.015243] Call Trace:
> [ 2638.015252] [<ffffffff813fba8c>] ? __mutex_lock_common.isra.5+0xff/0x164
> [ 2638.015262] [<ffffffff813fb97a>] ? mutex_lock+0x1a/0x2d
> [ 2638.015273] [<ffffffff813daa7b>] ? wireless_dev_seq_start+0x12/0x5e
> [ 2638.015282] [<ffffffff811136bd>] ? seq_read+0x148/0x354
> [ 2638.015291] [<ffffffff81141a3e>] ? proc_reg_read+0x78/0x91
> [ 2638.015299] [<ffffffff810fb7e5>] ? vfs_read+0x9f/0xe6
> [ 2638.015307] [<ffffffff810fb871>] ? sys_read+0x45/0x6b
> [ 2638.015315] [<ffffffff81401ff9>] ? system_call_fastpath+0x16/0x1b
> [ 2638.015339] INFO: task ifconfig:6734 blocked for more than 120 seconds.
> [ 2638.015344] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
> this message.
> [ 2638.015348] ifconfig D ffff88023fb933c0 0 6734 2598 0x00000000
> [ 2638.015357] ffff8801faae30a0 0000000000000086 0000000000000001
> ffff880235186ee0
> [ 2638.015366] 00000000000133c0 ffff880232163fd8 ffff880232163fd8 ffff8801faae30a0
> [ 2638.015375] 0000000000000001 ffff880230f2b4d8 ffff8801faae30a0
> 0000000000000002
> [ 2638.015384] Call Trace:
> [ 2638.015393] [<ffffffff813fba8c>] ? __mutex_lock_common.isra.5+0xff/0x164
> [ 2638.015400] [<ffffffff81056a33>] ? should_resched+0x5/0x23
> [ 2638.015409] [<ffffffff813fb97a>] ? mutex_lock+0x1a/0x2d
> [ 2638.015434] [<ffffffffa0116d33>] ? rtl8169_close+0x49/0x14f [r8169]
> [ 2638.015443] [<ffffffff8133cb37>] ? __dev_close_many+0x85/0xb2
> [ 2638.015450] [<ffffffff8133cb94>] ? __dev_close+0x30/0x47
> [ 2638.015458] [<ffffffff813405c0>] ? dev_set_rx_mode+0x1d/0x29
> [ 2638.015466] [<ffffffff81340844>] ? __dev_change_flags+0x9d/0x118
> [ 2638.015474] [<ffffffff81340922>] ? dev_change_flags+0x12/0x42
> [ 2638.015484] [<ffffffff8138a769>] ? devinet_ioctl+0x285/0x554
> [ 2638.015492] [<ffffffff8132cdb3>] ? sock_do_ioctl+0x1b/0x36
> [ 2638.015500] [<ffffffff8132d1be>] ? sock_ioctl+0x205/0x212
> [ 2638.015510] [<ffffffff8110887d>] ? do_vfs_ioctl+0x459/0x49a
> [ 2638.015518] [<ffffffff810ee42b>] ? kmem_cache_alloc+0x86/0xea
> [ 2638.015527] [<ffffffff81108909>] ? sys_ioctl+0x4b/0x72
> [ 2638.015535] [<ffffffff81401ff9>] ? system_call_fastpath+0x16/0x1b
>
>
> Config:
> http://mrutecki.pl/download/kernel/3.4-rc1/netdev_resume/config-3.4.0-rc1
>
> full dmesg:
> http://mrutecki.pl/download/kernel/3.4-rc1/netdev_resume/dmesg_netdev-3.4-
> rc1.txt
>
> lspci:
> 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family
> DRAM Controller (rev 09)
> 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
> Processor Family Integrated Graphics Controller (rev 09)
> 00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series
> Chipset Family MEI Controller #1 (rev 04)
> 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family
> USB Enhanced Host Controller #2 (rev 04)
> 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family
> High Definition Audio Controller (rev 04)
> 00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
> Express Root Port 1 (rev b4)
> 00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
> Express Root Port 2 (rev b4)
> 00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
> Express Root Port 3 (rev b4)
> 00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
> Express Root Port 4 (rev b4)
> 00:1c.7 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
> Express Root Port 8 (rev b4)
> 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family
> USB Enhanced Host Controller #1 (rev 04)
> 00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC
> Controller (rev 04)
> 00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family
> 6 port SATA AHCI Controller (rev 04)
> 00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus
> Controller (rev 04)
> 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI
> Express Gigabit Ethernet controller (rev 06)
> 03:00.0 System peripheral: Ricoh Co Ltd MMC/SD Host Controller (rev 07)
> 08:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000
>
> Regards




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