Begin forwarded message:
Date: Wed, 4 Nov 2015 10:46:56 +0000 From: "bugzilla-dae...@bugzilla.kernel.org" <bugzilla-dae...@bugzilla.kernel.org> To: "shemmin...@linux-foundation.org" <shemmin...@linux-foundation.org> Subject: [Bug 107141] New: [1177853.192071] INFO: task accel-pppd:24263 blocked for more than 120 seconds. https://bugzilla.kernel.org/show_bug.cgi?id=107141 Bug ID: 107141 Summary: [1177853.192071] INFO: task accel-pppd:24263 blocked for more than 120 seconds. Product: Networking Version: 2.5 Kernel Version: 4.1.12 , 4.2.0 , 4.3 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: Other Assignee: shemmin...@linux-foundation.org Reporter: pstaszew...@artcom.pl Regression: No Latest checked kernel where no problem exist: 3.13.0 On any kernel >4.0 I have always same problem as below: [1177853.192071] INFO: task accel-pppd:24263 blocked for more than 120 seconds. [1177853.192074] Not tainted 4.2.0 #1 [1177853.192075] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1177853.192076] accel-pppd D ffff88021fc14680 0 24263 1 0x00000000 [1177853.192079] ffff8800d6f1fd38 0000000000000082 ffff8800d6f1fde8 ffffffff81a114c0 [1177853.192081] ffff8800d6f1fdc8 ffff880215dd2f00 ffff880215dd2f00 ffff8800d6f20000 [1177853.192082] ffff880215dd2f00 ffffffff81a91324 ffffffff81a91328 00000000ffffffff [1177853.192084] Call Trace: [1177853.192090] [<ffffffff815ceb86>] schedule+0x71/0x80 [1177853.192092] [<ffffffff815cecbc>] schedule_preempt_disabled+0x9/0xb [1177853.192094] [<ffffffff815cf918>] __mutex_lock_slowpath+0xa6/0x104 [1177853.192096] [<ffffffff815cf989>] mutex_lock+0x13/0x24 [1177853.192098] [<ffffffff8141b7be>] ppp_ioctl+0x4a/0xb9d [1177853.192102] [<ffffffff8111d8de>] do_vfs_ioctl+0x418/0x460 [1177853.192104] [<ffffffff815d0da9>] ? _raw_spin_lock+0x9/0xb [1177853.192107] [<ffffffff811250c2>] ? __fget+0x2a/0x69 [1177853.192108] [<ffffffff8111d974>] SyS_ioctl+0x4e/0x7e [1177853.192110] [<ffffffff815d0fd7>] entry_SYSCALL_64_fastpath+0x12/0x6a [1177853.192111] INFO: task accel-pppd:17877 blocked for more than 120 seconds. [1177853.192112] Not tainted 4.2.0 #1 [1177853.192113] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1177853.192114] accel-pppd D ffff88021fd14680 0 17877 1 0x00000000 [1177853.192116] ffff8800d75ebb68 0000000000000082 ffff8800d75ebb48 ffff8802161c0000 [1177853.192117] ffff880215912000 ffff880215c2c680 ffff88009a4c7000 ffff8800d75ec000 [1177853.192119] ffff880215c2c680 ffffffff81a9d264 ffffffff81a9d268 00000000ffffffff [1177853.192120] Call Trace: [1177853.192122] [<ffffffff815ceb86>] schedule+0x71/0x80 [1177853.192124] [<ffffffff815cecbc>] schedule_preempt_disabled+0x9/0xb [1177853.192126] [<ffffffff815cf918>] __mutex_lock_slowpath+0xa6/0x104 [1177853.192129] [<ffffffff814ea475>] ? rht_key_hashfn.isra.18.constprop.53+0x18/0x24 [1177853.192130] [<ffffffff815cf989>] mutex_lock+0x13/0x24 [1177853.192133] [<ffffffff814ca63c>] rtnl_lock+0x10/0x12 [1177853.192134] [<ffffffff814ca66c>] rtnetlink_rcv+0x11/0x28 [1177853.192136] [<ffffffff814ec76d>] netlink_unicast+0x104/0x186 [1177853.192137] [<ffffffff814eca77>] netlink_sendmsg+0x288/0x2d9 [1177853.192139] [<ffffffff814a9d99>] sock_sendmsg_nosec+0x12/0x1d [1177853.192141] [<ffffffff814aaed9>] ___sys_sendmsg+0x192/0x217 [1177853.192144] [<ffffffff810e8e50>] ? do_wp_page+0x1de/0x324 [1177853.192146] [<ffffffff8114225a>] ? hrtimer_start_expires.constprop.10+0x16/0x18 [1177853.192147] [<ffffffff81142722>] ? timerfd_read+0x209/0x232 [1177853.192149] [<ffffffff811250c2>] ? __fget+0x2a/0x69 [1177853.192151] [<ffffffff8112513d>] ? __fget_light+0x3c/0x48 [1177853.192153] [<ffffffff814ab29e>] __sys_sendmsg+0x3d/0x5b [1177853.192155] [<ffffffff814ab2c9>] SyS_sendmsg+0xd/0x19 [1177853.192156] [<ffffffff815d0fd7>] entry_SYSCALL_64_fastpath+0x12/0x6a [1177853.192157] INFO: task accel-pppd:19818 blocked for more than 120 seconds. [1177853.192158] Not tainted 4.2.0 #1 [1177853.192159] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1177853.192159] accel-pppd D ffff88021fd14680 0 19818 1 0x00000000 [1177853.192161] ffff880215acfb68 0000000000000082 ffff880215acfb98 ffff8802161c0000 [1177853.192163] ffff880215acfb68 ffff8800d8339780 ffff88009a4c7400 ffff880215ad0000 [1177853.192164] ffff8800d8339780 ffffffff81a9d264 ffffffff81a9d268 00000000ffffffff [1177853.192165] Call Trace: [1177853.192167] [<ffffffff815ceb86>] schedule+0x71/0x80 [1177853.192169] [<ffffffff815cecbc>] schedule_preempt_disabled+0x9/0xb [1177853.192170] [<ffffffff815cf918>] __mutex_lock_slowpath+0xa6/0x104 [1177853.192172] [<ffffffff814ea475>] ? rht_key_hashfn.isra.18.constprop.53+0x18/0x24 [1177853.192174] [<ffffffff815cf989>] mutex_lock+0x13/0x24 [1177853.192175] [<ffffffff814ca63c>] rtnl_lock+0x10/0x12 [1177853.192177] [<ffffffff814ca66c>] rtnetlink_rcv+0x11/0x28 [1177853.192178] [<ffffffff814ec76d>] netlink_unicast+0x104/0x186 [1177853.192179] [<ffffffff814eca77>] netlink_sendmsg+0x288/0x2d9 [1177853.192181] [<ffffffff814a9d99>] sock_sendmsg_nosec+0x12/0x1d [1177853.192182] [<ffffffff814aaed9>] ___sys_sendmsg+0x192/0x217 [1177853.192184] [<ffffffff810e8e50>] ? do_wp_page+0x1de/0x324 [1177853.192185] [<ffffffff8114225a>] ? hrtimer_start_expires.constprop.10+0x16/0x18 [1177853.192187] [<ffffffff81142722>] ? timerfd_read+0x209/0x232 [1177853.192188] [<ffffffff811250c2>] ? __fget+0x2a/0x69 [1177853.192190] [<ffffffff8112513d>] ? __fget_light+0x3c/0x48 [1177853.192192] [<ffffffff814ab29e>] __sys_sendmsg+0x3d/0x5b [1177853.192193] [<ffffffff814ab2c9>] SyS_sendmsg+0xd/0x19 [1177853.192194] [<ffffffff815d0fd7>] entry_SYSCALL_64_fastpath+0x12/0x6a [1177853.192196] INFO: task accel-pppd:10821 blocked for more than 120 seconds. [1177853.192196] Not tainted 4.2.0 #1 [1177853.192197] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1177853.192198] accel-pppd D ffff88021fd14680 0 10821 1 0x00000000 [1177853.192199] ffff8800d771fd08 0000000000000082 ffff8800d771fcd8 ffff8802161c0000 [1177853.192201] ffff8800d7720000 ffff8801fe650bc0 ffff8800d771fce8 ffff8800d7720000 [1177853.192202] ffff8801fe650bc0 ffffffff81a9d264 ffffffff81a9d268 00000000ffffffff [1177853.192203] Call Trace: [1177853.192205] [<ffffffff815ceb86>] schedule+0x71/0x80 [1177853.192207] [<ffffffff815cecbc>] schedule_preempt_disabled+0x9/0xb [1177853.192208] [<ffffffff815cf918>] __mutex_lock_slowpath+0xa6/0x104 [1177853.192210] [<ffffffff815cf989>] mutex_lock+0x13/0x24 [1177853.192212] [<ffffffff814ca63c>] rtnl_lock+0x10/0x12 [1177853.192214] [<ffffffff814c14b2>] register_netdev+0x11/0x27 [1177853.192215] [<ffffffff8141ba62>] ppp_ioctl+0x2ee/0xb9d [1177853.192218] [<ffffffff8111d8de>] do_vfs_ioctl+0x418/0x460 [1177853.192219] [<ffffffff815d0da9>] ? _raw_spin_lock+0x9/0xb [1177853.192221] [<ffffffff811250c2>] ? __fget+0x2a/0x69 [1177853.192222] [<ffffffff8111d974>] SyS_ioctl+0x4e/0x7e [1177853.192224] [<ffffffff815d0fd7>] entry_SYSCALL_64_fastpath+0x12/0x6a [1177853.192225] INFO: task accel-pppd:24274 blocked for more than 120 seconds. [1177853.192226] Not tainted 4.2.0 #1 [1177853.192226] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1177853.192227] accel-pppd D ffff88021fc14680 0 24274 1 0x00000000 [1177853.192228] ffff88020cfa7d38 0000000000000082 ffff88020cfa7de8 ffffffff81a114c0 [1177853.192230] ffff88020cfa7dc8 ffff88021390af00 0000000000000292 ffff88020cfa8000 [1177853.192231] ffff88021390af00 ffffffff81a91324 ffffffff81a91328 00000000ffffffff [1177853.192233] Call Trace: [1177853.192234] [<ffffffff815ceb86>] schedule+0x71/0x80 [1177853.192236] [<ffffffff815cecbc>] schedule_preempt_disabled+0x9/0xb [1177853.192238] [<ffffffff815cf918>] __mutex_lock_slowpath+0xa6/0x104 [1177853.192239] [<ffffffff815cf989>] mutex_lock+0x13/0x24 [1177853.192241] [<ffffffff8141b7be>] ppp_ioctl+0x4a/0xb9d [1177853.192243] [<ffffffff8111d8de>] do_vfs_ioctl+0x418/0x460 [1177853.192244] [<ffffffff815d0da9>] ? _raw_spin_lock+0x9/0xb [1177853.192246] [<ffffffff811250c2>] ? __fget+0x2a/0x69 [1177853.192247] [<ffffffff8111d974>] SyS_ioctl+0x4e/0x7e [1177853.192248] [<ffffffff815d0fd7>] entry_SYSCALL_64_fastpath+0x12/0x6a [1177853.192250] INFO: task accel-pppd:28232 blocked for more than 120 seconds. [1177853.192250] Not tainted 4.2.0 #1 [1177853.192251] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1177853.192252] accel-pppd D ffff88021fc94680 0 28232 1 0x00000000 [1177853.192253] ffff880213ba3cb8 0000000000000082 ffff880213ba3c98 ffff8802161769c0 [1177853.192254] 00000000ffffffff ffff88020cf31780 0000000000000001 ffff880213ba4000 [1177853.192256] ffff88020cf31780 ffffffff81a9d264 ffffffff81a9d268 00000000ffffffff [1177853.192257] Call Trace: [1177853.192259] [<ffffffff815ceb86>] schedule+0x71/0x80 [1177853.192260] [<ffffffff815cecbc>] schedule_preempt_disabled+0x9/0xb [1177853.192262] [<ffffffff815cf918>] __mutex_lock_slowpath+0xa6/0x104 [1177853.192264] [<ffffffff81116ece>] ? full_name_hash+0x19/0x63 [1177853.192265] [<ffffffff815cf989>] mutex_lock+0x13/0x24 [1177853.192267] [<ffffffff814ca63c>] rtnl_lock+0x10/0x12 [1177853.192269] [<ffffffff8154c918>] devinet_ioctl+0x108/0x552 [1177853.192271] [<ffffffff814bb4a6>] ? dev_get_by_name_rcu+0x34/0x56 [1177853.192272] [<ffffffff814d1126>] ? dev_ioctl+0x455/0x59b [1177853.192274] [<ffffffff8154da2a>] inet_ioctl+0x87/0xa4 [1177853.192275] [<ffffffff814a8bad>] sock_do_ioctl+0x21/0x40 [1177853.192277] [<ffffffff814a8fc8>] sock_ioctl+0x1ee/0x1fd [1177853.192278] [<ffffffff8111d8de>] do_vfs_ioctl+0x418/0x460 [1177853.192280] [<ffffffff811250c2>] ? __fget+0x2a/0x69 [1177853.192281] [<ffffffff8111d974>] SyS_ioctl+0x4e/0x7e [1177853.192282] [<ffffffff815d0fd7>] entry_SYSCALL_64_fastpath+0x12/0x6a [1177853.192284] INFO: task accel-pppd:2299 blocked for more than 120 seconds. [1177853.192284] Not tainted 4.2.0 #1 [1177853.192285] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1177853.192286] accel-pppd D ffff88021fd94680 0 2299 1 0x00000000 [1177853.192287] ffff88021394fd38 0000000000000082 ffff88021394fd08 ffff8802161c0bc0 [1177853.192289] ffff88021394fdc0 ffff88020cf30bc0 ffff88021394fd38 ffff880213950000 [1177853.192290] ffff88020cf30bc0 ffffffff81a91324 ffffffff81a91328 00000000ffffffff [1177853.192291] Call Trace: [1177853.192293] [<ffffffff815ceb86>] schedule+0x71/0x80 [1177853.192295] [<ffffffff815cecbc>] schedule_preempt_disabled+0x9/0xb [1177853.192296] [<ffffffff815cf918>] __mutex_lock_slowpath+0xa6/0x104 [1177853.192298] [<ffffffff815cf989>] mutex_lock+0x13/0x24 [1177853.192299] [<ffffffff8141bca5>] ppp_ioctl+0x531/0xb9d [1177853.192301] [<ffffffff8111d8de>] do_vfs_ioctl+0x418/0x460 [1177853.192303] [<ffffffff811250c2>] ? __fget+0x2a/0x69 [1177853.192304] [<ffffffff8111d974>] SyS_ioctl+0x4e/0x7e [1177853.192305] [<ffffffff815d0fd7>] entry_SYSCALL_64_fastpath+0x12/0x6a [1177853.192306] INFO: task accel-pppd:6838 blocked for more than 120 seconds. [1177853.192307] Not tainted 4.2.0 #1 [1177853.192308] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1177853.192308] accel-pppd D ffff88021fc14680 0 6838 1 0x00000000 [1177853.192310] ffff8800c5ca7d08 0000000000000082 00000000000380ef ffffffff81a114c0 [1177853.192311] 000000000f48ff3a ffff8800d76c3ac0 0000000000000000 ffff8800c5ca8000 [1177853.192313] ffff8800d76c3ac0 ffff880215e3cdac ffff880215e3cdb0 00000000ffffffff [1177853.192314] Call Trace: [1177853.192316] [<ffffffff815ceb86>] schedule+0x71/0x80 [1177853.192317] [<ffffffff815cecbc>] schedule_preempt_disabled+0x9/0xb [1177853.192319] [<ffffffff815cf918>] __mutex_lock_slowpath+0xa6/0x104 [1177853.192320] [<ffffffff815cf989>] mutex_lock+0x13/0x24 [1177853.192322] [<ffffffff8141ab77>] ppp_dev_uninit+0x62/0xae [1177853.192324] [<ffffffff814bd4e2>] rollback_registered_many+0x19e/0x252 [1177853.192325] [<ffffffff814bd600>] rollback_registered+0x29/0x38 [1177853.192327] [<ffffffff814bd679>] unregister_netdevice_queue+0x6a/0x77 [1177853.192328] [<ffffffff8141b740>] ppp_release+0x3f/0x73 [1177853.192330] [<ffffffff81110a49>] __fput+0xdf/0x184 [1177853.192332] [<ffffffff81110b1e>] ____fput+0x9/0xb [1177853.192335] [<ffffffff8104fac7>] task_work_run+0x7b/0x94 [1177853.192336] [<ffffffff81003615>] do_notify_resume+0x40/0x44 [1177853.192338] [<ffffffff815d1182>] int_signal+0x12/0x17 [1177973.074845] INFO: task accel-pppd:24263 blocked for more than 120 seconds. [1177973.074848] Not tainted 4.2.0 #1 [1177973.074849] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1177973.074850] accel-pppd D ffff88021fc14680 0 24263 1 0x00000000 [1177973.074853] ffff8800d6f1fd38 0000000000000082 ffff8800d6f1fde8 ffffffff81a114c0 [1177973.074855] ffff8800d6f1fdc8 ffff880215dd2f00 ffff880215dd2f00 ffff8800d6f20000 [1177973.074857] ffff880215dd2f00 ffffffff81a91324 ffffffff81a91328 00000000ffffffff [1177973.074859] Call Trace: [1177973.074865] [<ffffffff815ceb86>] schedule+0x71/0x80 [1177973.074867] [<ffffffff815cecbc>] schedule_preempt_disabled+0x9/0xb [1177973.074869] [<ffffffff815cf918>] __mutex_lock_slowpath+0xa6/0x104 [1177973.074870] [<ffffffff815cf989>] mutex_lock+0x13/0x24 [1177973.074873] [<ffffffff8141b7be>] ppp_ioctl+0x4a/0xb9d [1177973.074877] [<ffffffff8111d8de>] do_vfs_ioctl+0x418/0x460 [1177973.074879] [<ffffffff815d0da9>] ? _raw_spin_lock+0x9/0xb [1177973.074882] [<ffffffff811250c2>] ? __fget+0x2a/0x69 [1177973.074883] [<ffffffff8111d974>] SyS_ioctl+0x4e/0x7e [1177973.074885] [<ffffffff815d0fd7>] entry_SYSCALL_64_fastpath+0x12/0x6a [1177973.074886] INFO: task accel-pppd:17877 blocked for more than 120 seconds. [1177973.074887] Not tainted 4.2.0 #1 [1177973.074888] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1177973.074889] accel-pppd D ffff88021fd14680 0 17877 1 0x00000000 [1177973.074890] ffff8800d75ebb68 0000000000000082 ffff8800d75ebb48 ffff8802161c0000 [1177973.074892] ffff880215912000 ffff880215c2c680 ffff88009a4c7000 ffff8800d75ec000 [1177973.074893] ffff880215c2c680 ffffffff81a9d264 ffffffff81a9d268 00000000ffffffff [1177973.074895] Call Trace: [1177973.074896] [<ffffffff815ceb86>] schedule+0x71/0x80 [1177973.074898] [<ffffffff815cecbc>] schedule_preempt_disabled+0x9/0xb [1177973.074900] [<ffffffff815cf918>] __mutex_lock_slowpath+0xa6/0x104 [1177973.074903] [<ffffffff814ea475>] ? rht_key_hashfn.isra.18.constprop.53+0x18/0x24 [1177973.074905] [<ffffffff815cf989>] mutex_lock+0x13/0x24 [1177973.074907] [<ffffffff814ca63c>] rtnl_lock+0x10/0x12 [1177973.074909] [<ffffffff814ca66c>] rtnetlink_rcv+0x11/0x28 [1177973.074910] [<ffffffff814ec76d>] netlink_unicast+0x104/0x186 [1177973.074912] [<ffffffff814eca77>] netlink_sendmsg+0x288/0x2d9 [1177973.074914] [<ffffffff814a9d99>] sock_sendmsg_nosec+0x12/0x1d [1177973.074915] [<ffffffff814aaed9>] ___sys_sendmsg+0x192/0x217 [1177973.074918] [<ffffffff810e8e50>] ? do_wp_page+0x1de/0x324 [1177973.074920] [<ffffffff8114225a>] ? hrtimer_start_expires.constprop.10+0x16/0x18 [1177973.074922] [<ffffffff81142722>] ? timerfd_read+0x209/0x232 [1177973.074924] [<ffffffff811250c2>] ? __fget+0x2a/0x69 [1177973.074926] [<ffffffff8112513d>] ? __fget_light+0x3c/0x48 [1177973.074927] [<ffffffff814ab29e>] __sys_sendmsg+0x3d/0x5b [1177973.074929] [<ffffffff814ab2c9>] SyS_sendmsg+0xd/0x19 [1177973.074930] [<ffffffff815d0fd7>] entry_SYSCALL_64_fastpath+0x12/0x6a -- You are receiving this mail because: You are the assignee for the bug. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
