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Message-ID: <87mvr46lm2.fsf@yhuang-dev.intel.com>
Date: Sun, 14 Feb 2016 11:01:41 +0800
From: kernel test robot <ying.huang@...ux.intel.com>
TO: Badhri Jagan Sridharan <Badhri@...gle.com>
CC: 0day robot <fengguang.wu@...el.com>
Subject: [lkp] [usb] daa556cb5d: WARNING: CPU: 0 PID: 44 at
kernel/workqueue.c:1380 __queue_work+0x3d2/0x570()
FYI, we noticed the below changes on
https://github.com/0day-ci/linux Amit-Pundir/usb-gadget-u_ether-Add-workqueue-as-bottom-half-handler-for-rx-data-path/20160209-052012
commit daa556cb5d704ad9b4159dc56dd0161e85b3a596 ("usb: gadget: u_ether: Add workqueue as bottom half handler for rx data path")
+-------------------------------------------------------+----------+------------+
| | v4.5-rc2 | daa556cb5d |
+-------------------------------------------------------+----------+------------+
| boot_successes | 81 | 58 |
| boot_failures | 12 | 50 |
| invoked_oom-killer:gfp_mask=0x | 11 | 43 |
| Mem-Info | 11 | 43 |
| Out_of_memory:Kill_process | 11 | 43 |
| backtrace:vfs_read | 2 | 12 |
| backtrace:SyS_read | 2 | 12 |
| page_allocation_failure:order:#,mode | 3 | 11 |
| warn_alloc_failed+0x | 1 | 5 |
| backtrace:ring_buffer_consumer_thread | 1 | 6 |
| backtrace:vfs_write | 1 | 10 |
| backtrace:SyS_write | 1 | 10 |
| BUG:unable_to_handle_kernel | 1 | |
| Oops | 1 | 1 |
| EIP_is_at_perf_prepare_sample | 1 | 1 |
| Kernel_panic-not_syncing:Fatal_exception | 1 | |
| backtrace:do_execveat_common | 1 | 5 |
| backtrace:SyS_execve | 1 | 5 |
| WARNING:at_kernel/workqueue.c:#__queue_work() | 0 | 45 |
| backtrace:cpu_startup_entry | 0 | 10 |
| backtrace:vfs_writev | 0 | 29 |
| backtrace:SyS_writev | 0 | 27 |
| backtrace:getxattr | 0 | 1 |
| backtrace:SyS_fgetxattr | 0 | 1 |
| backtrace:_do_fork | 0 | 5 |
| backtrace:SyS_clone | 0 | 5 |
| backtrace:ring_buffer_producer_thread | 0 | 24 |
| backtrace:SyS_pwritev | 0 | 3 |
| backtrace:ip_auto_config | 0 | 4 |
| backtrace:kernel_init_freeable | 0 | 4 |
| backtrace:path_listxattr | 0 | 2 |
| backtrace:SyS_listxattr | 0 | 2 |
| backtrace:addrconf_dad_work | 0 | 5 |
| backtrace:common_interrupt | 0 | 1 |
| backtrace:vmalloc | 0 | 1 |
| backtrace:SyS_add_key | 0 | 1 |
| backtrace:lock_torture_stats | 0 | 1 |
| Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 1 |
+-------------------------------------------------------+----------+------------+
[ 36.055351] cdc_ether 1-1:1.0 usb1: kevent 11 may have been dropped
[ 36.072532] IP-Config: Failed to open irlan0
[ 36.080520] ------------[ cut here ]------------
[ 36.081565] WARNING: CPU: 0 PID: 44 at kernel/workqueue.c:1380 __queue_work+0x3d2/0x570()
[ 36.083375] CPU: 0 PID: 44 Comm: rb_producer Not tainted 4.5.0-rc2-00001-gdaa556cb #1
[ 36.084667] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 36.086434] 00000000 00000000 c020be00 c1657549 c020be30 c1049e6e c26fcefc 00000000
[ 36.099237] 0000002c c26fd7f0 00000564 c105f0c2 c105f0c2 c82c055c 00000001 00000001
[ 36.113302] c020be40 c1049f62 00000009 00000000 c020be78 c105f0c2 c82c052c 00000000
[ 36.121617] Call Trace:
[ 36.122473] [<c1657549>] dump_stack+0x16/0x1d
[ 36.123754] [<c1049e6e>] warn_slowpath_common+0x7e/0xb0
[ 36.125100] [<c105f0c2>] ? __queue_work+0x3d2/0x570
[ 36.126255] [<c105f0c2>] ? __queue_work+0x3d2/0x570
[ 36.127327] [<c1049f62>] warn_slowpath_null+0x22/0x30
[ 36.128368] [<c105f0c2>] __queue_work+0x3d2/0x570
[ 36.129291] [<c105f8bf>] queue_work_on+0x3f/0x80
[ 36.130217] [<c1b324fa>] rx_complete+0xca/0x160
[ 36.131064] [<c1b1927d>] usb_gadget_giveback_request+0x3d/0x50
[ 36.134310] [<c1b1be4a>] dummy_timer+0x40a/0xc20
[ 36.140495] [<c109c60a>] call_timer_fn+0x8a/0x1c0
[ 36.146685] [<c106e5f6>] ? preempt_count_sub+0x146/0x150
[ 36.153949] [<c1b1ba40>] ? dummy_start+0x130/0x130
[ 36.159678] [<c109c9aa>] run_timer_softirq+0x1ba/0x290
[ 36.165939] [<c1b1ba40>] ? dummy_start+0x130/0x130
[ 36.167825] [<c104d39e>] __do_softirq+0x13e/0x3a0
[ 36.169240] [<c104d260>] ? _local_bh_enable+0xb0/0xb0
[ 36.170608] [<c1004bb1>] do_softirq_own_stack+0x31/0x40
[ 36.171860] <IRQ> [<c104d95d>] irq_exit+0x5d/0x60
[ 36.173046] [<c21f6825>] do_IRQ+0x65/0xc0
[ 36.173992] [<c16843de>] ? check_preemption_disabled+0x2e/0xe0
[ 36.175095] [<c21f626e>] common_interrupt+0x2e/0x40
[ 36.176037] [<c103197e>] ? pvclock_clocksource_read+0x4e/0x1e0
[ 36.177123] [<c103079e>] kvm_clock_read+0x1e/0x60
[ 36.180996] [<c10307f8>] kvm_sched_clock_read+0x8/0x20
[ 36.187774] [<c100a118>] sched_clock+0x8/0x10
[ 36.193636] [<c10c275e>] trace_clock_local+0xe/0x30
[ 36.199855] [<c10c9538>] rb_reserve_next_event+0x68/0x310
[ 36.206243] [<c10ca20a>] ring_buffer_lock_reserve+0x5a/0xc0
[ 36.212045] [<c10cba78>] ring_buffer_producer_thread+0x108/0x690
[ 36.214002] [<c10cbdc1>] ? ring_buffer_producer_thread+0x451/0x690
[ 36.215974] [<c10cb970>] ? wait_to_die+0x60/0x60
[ 36.217207] [<c1065f34>] kthread+0xa4/0xc0
[ 36.218078] [<c21f5990>] ret_from_kernel_thread+0x20/0x40
[ 36.219103] [<c1065e90>] ? insert_kthread_work+0x60/0x60
[ 36.220066] ---[ end trace c50a23dd9034717b ]---
[ 36.221118] Sending DHCP requests ., OK
Thanks,
Ying Huang
View attachment "config-4.5.0-rc2-00001-gdaa556cb" of type "text/plain" (111057 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (15776 bytes)
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