{"action":"created","issue":{"url":"https://api.github.com/repos/raspberrypi/linux/issues/944","repository_url":"https://api.github.com/repos/raspberrypi/linux","labels_url":"https://api.github.com/repos/raspberrypi/linux/issues/944/labels{/name}","comments_url":"https://api.github.com/repos/raspberrypi/linux/issues/944/comments","events_url":"https://api.github.com/repos/raspberrypi/linux/issues/944/events","html_url":"https://github.com/raspberrypi/linux/issues/944","id":71133603,"number":944,"title":"BUG: workqueue leaked lock or atomic: kworker/0:2/0xffffffff/4586","user":{"login":"marc40000","id":1492191,"avatar_url":"https://avatars.githubusercontent.com/u/1492191?v=3","gravatar_id":"","url":"https://api.github.com/users/marc40000","html_url":"https://github.com/marc40000","followers_url":"https://api.github.com/users/marc40000/followers","following_url":"https://api.github.com/users/marc40000/following{/other_user}","gists_url":"https://api.github.com/users/marc40000/gists{/gist_id}","starred_url":"https://api.github.com/users/marc40000/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/marc40000/subscriptions","organizations_url":"https://api.github.com/users/marc40000/orgs","repos_url":"https://api.github.com/users/marc40000/repos","events_url":"https://api.github.com/users/marc40000/events{/privacy}","received_events_url":"https://api.github.com/users/marc40000/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":5,"created_at":"2015-04-26T23:12:10Z","updated_at":"2016-08-15T11:19:54Z","closed_at":null,"body":"Hi !\r\n\r\nI get a crash every one or two days on one of my rpis. Everything works fine but at some point, I get repeating entries multiple times in /var/log/syslog and /var/log/Messages multiple times per second:\r\n```\r\nApr 26 17:17:12 gardeneast kernel: [160403.252871] BUG: workqueue leaked lock or atomic: kworker/0:2/0xffffffff/4586\r\nApr 26 17:17:12 gardeneast kernel: [160403.252871]      last function: od_dbs_timer\r\nApr 26 17:17:12 gardeneast kernel: [160403.285169] CPU: 0 PID: 4586 Comm: kworker/0:2 Tainted: G      D W      3.18.7+ #755\r\nApr 26 17:17:12 gardeneast kernel: [160403.313727] Workqueue: events od_dbs_timer\r\nApr 26 17:17:12 gardeneast kernel: [160403.327924] [<c00151fc>] (unwind_backtrace) from [<c0012710>] (show_stack+0x20/0x24)\r\nApr 26 17:17:12 gardeneast kernel: [160403.356381] [<c0012710>] (show_stack) from [<c0555b30>] (dump_stack+0x20/0x28)\r\nApr 26 17:17:12 gardeneast kernel: [160403.374797] [<c0555b30>] (dump_stack) from [<c0039d60>] (process_one_work+0x360/0x444)\r\nApr 26 17:17:12 gardeneast kernel: [160403.402947] [<c0039d60>] (process_one_work) from [<c003a998>] (worker_thread+0x190/0x580)\r\nApr 26 17:17:12 gardeneast kernel: [160403.431557] [<c003a998>] (worker_thread) from [<c003edf8>] (kthread+0xd8/0xf4)\r\nApr 26 17:17:12 gardeneast kernel: [160403.449926] [<c003edf8>] (kthread) from [<c000e988>] (ret_from_fork+0x14/0x20)\r\nApr 26 17:17:12 gardeneast kernel: [160403.469339] BUG: workqueue leaked lock or atomic: kworker/0:2/0xffffffff/4586\r\nApr 26 17:17:12 gardeneast kernel: [160403.469339]      last function: BlinkWorkItemCallback [8192cu]\r\nApr 26 17:17:12 gardeneast kernel: [160403.503255] CPU: 0 PID: 4586 Comm: kworker/0:2 Tainted: G      D W      3.18.7+ #755\r\nApr 26 17:17:12 gardeneast kernel: [160403.531949] Workqueue: events BlinkWorkItemCallback [8192cu]\r\nApr 26 17:17:12 gardeneast kernel: [160403.547943] [<c00151fc>] (unwind_backtrace) from [<c0012710>] (show_stack+0x20/0x24)\r\nApr 26 17:17:12 gardeneast kernel: [160403.576332] [<c0012710>] (show_stack) from [<c0555b30>] (dump_stack+0x20/0x28)\r\nApr 26 17:17:12 gardeneast kernel: [160403.594707] [<c0555b30>] (dump_stack) from [<c0039d60>] (process_one_work+0x360/0x444)\r\nApr 26 17:17:12 gardeneast kernel: [160403.623210] [<c0039d60>] (process_one_work) from [<c003a998>] (worker_thread+0x190/0x580)\r\nApr 26 17:17:12 gardeneast kernel: [160403.651869] [<c003a998>] (worker_thread) from [<c003edf8>] (kthread+0xd8/0xf4)\r\nApr 26 17:17:12 gardeneast kernel: [160403.670260] [<c003edf8>] (kthread) from [<c000e988>] (ret_from_fork+0x14/0x20)\r\nApr 26 17:17:12 gardeneast kernel: [160403.688909] BUG: workqueue leaked lock or atomic: kworker/0:2/0xffffffff/4586\r\nApr 26 17:17:12 gardeneast kernel: [160403.688909]      last function: fb_flashcursor\r\nApr 26 17:17:12 gardeneast kernel: [160403.721667] CPU: 0 PID: 4586 Comm: kworker/0:2 Tainted: G      D W      3.18.7+ #755\r\nApr 26 17:17:12 gardeneast kernel: [160403.750935] Workqueue: events_power_efficient fb_flashcursor\r\nApr 26 17:17:12 gardeneast kernel: [160403.767903] [<c00151fc>] (unwind_backtrace) from [<c0012710>] (show_stack+0x20/0x24)\r\nApr 26 17:17:12 gardeneast kernel: [160403.796472] [<c0012710>] (show_stack) from [<c0555b30>] (dump_stack+0x20/0x28)\r\nApr 26 17:17:12 gardeneast kernel: [160403.815150] [<c0555b30>] (dump_stack) from [<c0039d60>] (process_one_work+0x360/0x444)\r\nApr 26 17:17:12 gardeneast kernel: [160403.843399] [<c0039d60>] (process_one_work) from [<c003a998>] (worker_thread+0x190/0x580)\r\nApr 26 17:17:12 gardeneast kernel: [160403.872901] [<c003a998>] (worker_thread) from [<c003edf8>] (kthread+0xd8/0xf4)\r\nApr 26 17:17:12 gardeneast kernel: [160403.891996] [<c003edf8>] (kthread) from [<c000e988>] (ret_from_fork+0x14/0x20)\r\nApr 26 17:17:12 gardeneast kernel: [160403.912141] BUG: workqueue leaked lock or atomic: kworker/0:2/0xffffffff/4586\r\nApr 26 17:17:12 gardeneast kernel: [160403.912141]      last function: BlinkWorkItemCallback [8192cu]\r\nApr 26 17:17:12 gardeneast kernel: [160403.946287] CPU: 0 PID: 4586 Comm: kworker/0:2 Tainted: G      D W      3.18.7+ #755\r\nApr 26 17:17:12 gardeneast kernel: [160403.975256] Workqueue: events BlinkWorkItemCallback [8192cu]\r\nApr 26 17:17:12 gardeneast kernel: [160403.991175] [<c00151fc>] (unwind_backtrace) from [<c0012710>] (show_stack+0x20/0x24)\r\nApr 26 17:17:12 gardeneast kernel: [160404.020100] [<c0012710>] (show_stack) from [<c0555b30>] (dump_stack+0x20/0x28)\r\nApr 26 17:17:12 gardeneast kernel: [160404.038625] [<c0555b30>] (dump_stack) from [<c0039d60>] (process_one_work+0x360/0x444)\r\nApr 26 17:17:12 gardeneast kernel: [160404.067273] [<c0039d60>] (process_one_work) from [<c003a998>] (worker_thread+0x190/0x580)\r\nApr 26 17:17:12 gardeneast kernel: [160404.095978] [<c003a998>] (worker_thread) from [<c003edf8>] (kthread+0xd8/0xf4)\r\nApr 26 17:17:12 gardeneast kernel: [160404.114522] [<c003edf8>] (kthread) from [<c000e988>] (ret_from_fork+0x14/0x20)\r\nApr 26 17:17:12 gardeneast kernel: [160404.133444] BUG: workqueue leaked lock or atomic: kworker/0:2/0xffffffff/4586\r\nApr 26 17:17:12 gardeneast kernel: [160404.133444]      last function: fb_flashcursor\r\nApr 26 17:17:12 gardeneast kernel: [160404.165922] CPU: 0 PID: 4586 Comm: kworker/0:2 Tainted: G      D W      3.18.7+ #755\r\nApr 26 17:17:12 gardeneast kernel: [160404.194346] Workqueue: events_power_efficient fb_flashcursor\r\nApr 26 17:17:12 gardeneast kernel: [160404.210311] [<c00151fc>] (unwind_backtrace) from [<c0012710>] (show_stack+0x20/0x24)\r\nApr 26 17:17:12 gardeneast kernel: [160404.239152] [<c0012710>] (show_stack) from [<c0555b30>] (dump_stack+0x20/0x28)\r\nApr 26 17:17:13 gardeneast kernel: [160404.257793] [<c0555b30>] (dump_stack) from [<c0039d60>] (process_one_work+0x360/0x444)\r\nApr 26 17:17:13 gardeneast kernel: [160404.289065] [<c0039d60>] (process_one_work) from [<c003a998>] (worker_thread+0x190/0x580)\r\nApr 26 17:17:13 gardeneast kernel: [160404.318293] [<c003a998>] (worker_thread) from [<c003edf8>] (kthread+0xd8/0xf4)\r\nApr 26 17:17:13 gardeneast kernel: [160404.337813] [<c003edf8>] (kthread) from [<c000e988>] (ret_from_fork+0x14/0x20)\r\nApr 26 17:17:13 gardeneast kernel: [160404.358465] BUG: workqueue leaked lock or atomic: kworker/0:2/0xffffffff/4586\r\nApr 26 17:17:13 gardeneast kernel: [160404.358465]      last function: od_dbs_timer\r\nApr 26 17:17:13 gardeneast kernel: [160404.392035] CPU: 0 PID: 4586 Comm: kworker/0:2 Tainted: G      D W      3.18.7+ #755\r\nApr 26 17:17:13 gardeneast kernel: [160404.420648] Workqueue: events od_dbs_timer\r\nApr 26 17:17:13 gardeneast kernel: [160404.436581] [<c00151fc>] (unwind_backtrace) from [<c0012710>] (show_stack+0x20/0x24)\r\nApr 26 17:17:13 gardeneast kernel: [160404.465130] [<c0012710>] (show_stack) from [<c0555b30>] (dump_stack+0x20/0x28)\r\nApr 26 17:17:13 gardeneast kernel: [160404.483737] [<c0555b30>] (dump_stack) from [<c0039d60>] (process_one_work+0x360/0x444)\r\nApr 26 17:17:13 gardeneast kernel: [160404.512941] [<c0039d60>] (process_one_work) from [<c003a998>] (worker_thread+0x190/0x580)\r\nApr 26 17:17:13 gardeneast kernel: [160404.542122] [<c003a998>] (worker_thread) from [<c003edf8>] (kthread+0xd8/0xf4)\r\nApr 26 17:17:13 gardeneast kernel: [160404.560879] [<c003edf8>] (kthread) from [<c000e988>] (ret_from_fork+0x14/0x20)\r\n```\r\n**This continues for a few minutes and afterwards it crashes:**\r\n```\r\nApr 26 17:17:14 gardeneast kernel: [160405.761998] CPU: 0 PID: 4586 Comm: kworker/0:2 Tainted: G      D W      3.18.7+ #755\r\nApr 26 17:17:14 gardeneast kernel: [160405.793514] Workqueue: events od_dbs_timer\r\nApr 26 17:17:14 gardeneast kernel: [160405.808272] [<c00151fc>] (unwind_backtrace) from [<c0012710>] (show_stack+0x20/0x24)\r\nApr 26 17:17:14 gardeneast kernel: [160405.837937] [<c0012710>] (show_stack) from [<c0555b30>] (dump_stack+0x20/0x28)\r\nApr 26 17:17:14 gardeneast kernel: [160405.862826] [<c0555b30>] (dump_stack) from [<c0039d60>] (process_one_work+0x360/0x444)\r\nApr 26 17:17:14 gardeneast kernel: [160405.890940] [<c0039d60>] (process_one_work) from [<c003a998>] (worker_thread+0x190/0x580)\r\nApr 26 17:17:14 gardeneast kernel: [160405.919735] [<c003a998>] (worker_thread) from [<c003edf8>] (kthread+0xd8/0xf4)\r\nApr 26 17:17:14 gardeneast kernel: [160405.939493] [<c003edf8>] (kthread) from [<c000e988>] (ret_from_fork+0x14/0x20)\r\nApr 26 17:17:14 gardeneast kernel: [160405.958133] ------------[ cut here ]------------\r\nApr 26 17:17:14 gardeneast kernel: [160405.958151] kernel BUG at lib/genalloc.c:279!\r\nApr 26 17:17:14 gardeneast kernel: [160405.958159] Internal error: Oops - BUG: 0 [#2] PREEMPT ARM\r\nApr 26 17:17:14 gardeneast kernel: [160405.958201] Modules linked in: snd_bcm2835 snd_pcm snd_seq snd_seq_device snd_timer snd spi_bcm2708 8192cu uio_pdrv_genirq uio\r\nApr 26 17:17:14 gardeneast kernel: [160405.958219] CPU: 0 PID: 4586 Comm: kworker/0:2 Tainted: G      D W      3.18.7+ #755\r\nApr 26 17:17:14 gardeneast kernel: [160405.958262] Workqueue: events console_callback\r\nApr 26 17:17:14 gardeneast kernel: [160405.958272] task: d92fb600 ti: d9186000 task.ti: d9186000\r\nApr 26 17:17:14 gardeneast kernel: [160405.958298] PC is at gen_pool_alloc+0x23c/0x240\r\nApr 26 17:17:14 gardeneast kernel: [160405.958320] LR is at __dma_alloc+0x1cc/0x27c\r\nApr 26 17:17:14 gardeneast kernel: [160405.958332] pc : [<c03099cc>]    lr : [<c00199ac>]    psr: 00000013\r\nApr 26 17:17:14 gardeneast kernel: [160405.958332] sp : d9187c48  ip : d9187c98  fp : d9187c94\r\nApr 26 17:17:14 gardeneast kernel: [160405.958337] r10: 00000000  r9 : 00000000  r8 : d9187d2c\r\nApr 26 17:17:14 gardeneast kernel: [160405.958344] r7 : 00000247  r6 : 00000000  r5 : db113440  r4 : 00100000\r\nApr 26 17:17:14 gardeneast kernel: [160405.958351] r3 : 0000000c  r2 : d9187c48  r1 : 00001000  r0 : db113440\r\nApr 26 17:17:14 gardeneast kernel: [160405.958360] Flags: nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel\r\nApr 26 17:17:14 gardeneast kernel: [160405.958369] Control: 00c5387d  Table: 1a318008  DAC: 00000015\r\nApr 26 17:17:14 gardeneast kernel: [160405.958376] Process kworker/0:2 (pid: 4586, stack limit = 0xd91861b0)\r\nApr 26 17:17:14 gardeneast kernel: [160405.958383] Stack: (0xd9187c48 to 0xd9188000)\r\nApr 26 17:17:14 gardeneast kernel: [160405.958399] 7c40:                   00000000 00000001 0000000c 00001000 00000000 de185400\r\nApr 26 17:17:14 gardeneast kernel: [160405.958415] 7c60: d9186038 db1f38a0 d9187d00 c0855ad0 00001000 00000000 00000247 d9187d2c\r\nApr 26 17:17:14 gardeneast kernel: [160405.958431] 7c80: 00000000 00000000 d9187cd4 d9187c98 c00199ac c030979c c0322120 c0329908\r\nApr 26 17:17:14 gardeneast kernel: [160405.958447] 7ca0: 00000010 c0019b7c d9187cec 00000000 d9187d2c 00001000 00000000 00000247\r\nApr 26 17:17:14 gardeneast kernel: [160405.958464] 7cc0: 00000020 c001dd08 d9187d14 d9187cd8 c0019bb8 c00197ec 00000247 00000000\r\nApr 26 17:17:14 gardeneast kernel: [160405.958480] 7ce0: c001dd08 c0321fac c0837108 00000000 00000000 0000001c 00001000 c080a3bc\r\nApr 26 17:17:14 gardeneast kernel: [160405.958498] 7d00: d9187d64 00000000 d9187d5c d9187d18 c001dd08 c0019b20 00000000 c03208d8\r\nApr 26 17:17:14 gardeneast kernel: [160405.958514] 7d20: ffffffff c0837aec ffffffff ffffffff 00000010 00000000 00000001 00000001\r\nApr 26 17:17:14 gardeneast kernel: [160405.958530] 7d40: db1f7600 00000000 00000000 00000000 d9187d94 d9187d60 c03298c4 c001dcb8\r\nApr 26 17:17:14 gardeneast kernel: [160405.958545] 7d60: d9187d84 0000001c 00000000 00040002 00000004 00000004 00000001 00000000\r\nApr 26 17:17:14 gardeneast kernel: [160405.958562] 7d80: db1c8400 00000000 d9187dbc d9187d98 c03229c4 c0329870 db003000 00000001\r\nApr 26 17:17:14 gardeneast kernel: [160405.958579] 7da0: db1c8400 d9187d9c db1c8400 db003000 d9187ea4 d9187dc0 c031e368 c032296c\r\nApr 26 17:17:14 gardeneast kernel: [160405.958594] 7dc0: 00000004 00000000 000000ff 00000002 00000000 d9180001 da251b20 00000000\r\nApr 26 17:17:14 gardeneast kernel: [160405.958608] 7de0: 00000000 00000190 00000008 00000010 00000007 00000000 00000001 c05a42f8\r\nApr 26 17:17:14 gardeneast kernel: [160405.958626] 7e00: c0761d38 c000e988 d9187fb0 d9187ea8 d9187ea4 c031d5c0 d9187e44 db003000\r\nApr 26 17:17:14 gardeneast kernel: [160405.958642] 7e20: db1c8400 00000002 00000720 db003104 db003118 c03216ac d9187e8c d9187e48\r\nApr 26 17:17:14 gardeneast kernel: [160405.958658] 7e40: c031e100 c03216b8 00000007 00000000 00000001 00000000 00000007 c08e192c\r\nApr 26 17:17:14 gardeneast kernel: [160405.958674] 7e60: 00000000 db003000 c08e1c5c c08e1c5c 00000000 db466c00 00000000 c08e1c5c\r\nApr 26 17:17:14 gardeneast kernel: [160405.958690] 7e80: db003000 c08e1c5c 00000000 db466c00 00000000 00000000 d9187ec4 d9187ea8\r\nApr 26 17:17:14 gardeneast kernel: [160405.958707] 7ea0: c0347dd0 c031e184 c08e1c5c c08e1c5c c080f1cc d9186030 d9187eec d9187ec8\r\nApr 26 17:17:14 gardeneast kernel: [160405.958723] 7ec0: c034ae2c c0347c18 c0012710 c0039b00 00000001 c0838e08 da307b40 c080f1cc\r\nApr 26 17:17:14 gardeneast kernel: [160405.958739] 7ee0: d9187f2c d9187ef0 c0039b3c c034adb4 c0420714 c080f1cc d9186030 c080f1cc\r\nApr 26 17:17:14 gardeneast kernel: [160405.958756] 7f00: da307b58 c080f1cc d9186030 c080f1dc da307b58 00000008 c080f1cc da307b40\r\nApr 26 17:17:14 gardeneast kernel: [160405.958772] 7f20: d9187f64 d9187f30 c003a998 c0039a0c 00000000 da307b40 c003a808 db3b2f60\r\nApr 26 17:17:14 gardeneast kernel: [160405.958788] 7f40: 00000000 da307b40 c003a808 00000000 00000000 00000000 d9187fac d9187f68\r\nApr 26 17:17:14 gardeneast kernel: [160405.958804] 7f60: c003edf8 c003a814 c0046010 00000000 60000013 da307b40 00000000 d9187f7c\r\nApr 26 17:17:14 gardeneast kernel: [160405.958821] 7f80: d9187f7c 00000000 d9187f88 d9187f88 db3b2f60 c003ed20 00000000 00000000\r\nApr 26 17:17:14 gardeneast kernel: [160405.958836] 7fa0: 00000000 d9187fb0 c000e988 c003ed2c 00000000 00000000 00000000 00000000\r\nApr 26 17:17:14 gardeneast kernel: [160405.958851] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000\r\nApr 26 17:17:14 gardeneast kernel: [160405.958866] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000 1b7fa821 1b7fac21\r\nApr 26 17:17:14 gardeneast kernel: [160405.958901] [<c03099cc>] (gen_pool_alloc) from [<c00199ac>] (__dma_alloc+0x1cc/0x27c)\r\nApr 26 17:17:14 gardeneast kernel: [160405.958925] [<c00199ac>] (__dma_alloc) from [<c0019bb8>] (arm_dma_alloc+0xa4/0xb0)\r\nApr 26 17:17:14 gardeneast kernel: [160405.958947] [<c0019bb8>] (arm_dma_alloc) from [<c001dd08>] (bcm_mailbox_property+0x5c/0x1f0)\r\nApr 26 17:17:14 gardeneast kernel: [160405.958977] [<c001dd08>] (bcm_mailbox_property) from [<c03298c4>] (bcm2708_fb_blank+0x60/0x98)\r\nApr 26 17:17:14 gardeneast kernel: [160405.959001] [<c03298c4>] (bcm2708_fb_blank) from [<c03229c4>] (fb_blank+0x64/0xb8)\r\nApr 26 17:17:14 gardeneast kernel: [160405.959019] [<c03229c4>] (fb_blank) from [<c031e368>] (fbcon_blank+0x1f0/0x298)\r\nApr 26 17:17:14 gardeneast kernel: [160405.959042] [<c031e368>] (fbcon_blank) from [<c0347dd0>] (do_blank_screen+0x1c4/0x27c)\r\nApr 26 17:17:14 gardeneast kernel: [160405.959065] [<c0347dd0>] (do_blank_screen) from [<c034ae2c>] (console_callback+0x84/0x160)\r\nApr 26 17:17:14 gardeneast kernel: [160405.959091] [<c034ae2c>] (console_callback) from [<c0039b3c>] (process_one_work+0x13c/0x444)\r\nApr 26 17:17:14 gardeneast kernel: [160405.959111] [<c0039b3c>] (process_one_work) from [<c003a998>] (worker_thread+0x190/0x580)\r\nApr 26 17:17:14 gardeneast kernel: [160405.959137] [<c003a998>] (worker_thread) from [<c003edf8>] (kthread+0xd8/0xf4)\r\nApr 26 17:17:14 gardeneast kernel: [160405.959168] [<c003edf8>] (kthread) from [<c000e988>] (ret_from_fork+0x14/0x20)\r\nApr 26 17:17:14 gardeneast kernel: [160405.959183] Code: e1831f92 e3310000 1afffffa eaffffec (e7f001f2) \r\nApr 26 17:17:14 gardeneast kernel: [160405.959198] ---[ end trace 48e359ef86e63f53 ]---\r\nApr 26 17:17:14 gardeneast kernel: [160405.959206] Kernel panic - not syncing: Fatal exception in interrupt\r\nApr 26 17:17:14 gardeneast kernel: [160405.959218] ---[ end Kernel panic - not syncing: Fatal exception in interrupt\r\nApr 26 17:19:38 gardeneast dhclient: DHCPREQUEST on wlan0 to 10.0.0.1 port 67\r\nApr 26 17:19:38 gardeneast dhclient: DHCPACK from 10.0.0.1\r\nApr 26 17:19:38 gardeneast dhclient: bound to 10.0.102.1 -- renewal in 3100 seconds.\r\nApr 26 17:17:19 gardeneast kernel: imklog 5.8.11, log source = /proc/kmsg started.\r\nApr 26 17:17:19 gardeneast rsyslogd: [origin software=\"rsyslogd\" swVersion=\"5.8.11\" x-pid=\"2052\" x-info=\"http://www.rsyslog.com\"] start\r\nApr 26 17:17:19 gardeneast kernel: [    0.000000] Booting Linux on physical CPU 0x0\r\nApr 26 17:17:19 gardeneast kernel: [    0.000000] Initializing cgroup subsys cpu\r\nApr 26 17:17:19 gardeneast kernel: [    0.000000] Initializing cgroup subsys cpuacct\r\n```\r\n**It's a rpi b+ with kernel 3.18.7 #755. I use the raspbian Image. There is a EDIMAX EW-7811UN that connects the rpi to the lan and Internet.**\r\n\r\n**What causes this? Is it really a kernel bug? Can I do something about it?**\r\n"},"comment":{"url":"https://api.github.com/repos/raspberrypi/linux/issues/comments/239780391","html_url":"https://github.com/raspberrypi/linux/issues/944#issuecomment-239780391","issue_url":"https://api.github.com/repos/raspberrypi/linux/issues/944","id":239780391,"user":{"login":"popcornmix","id":1053730,"avatar_url":"https://avatars.githubusercontent.com/u/1053730?v=3","gravatar_id":"","url":"https://api.github.com/users/popcornmix","html_url":"https://github.com/popcornmix","followers_url":"https://api.github.com/users/popcornmix/followers","following_url":"https://api.github.com/users/popcornmix/following{/other_user}","gists_url":"https://api.github.com/users/popcornmix/gists{/gist_id}","starred_url":"https://api.github.com/users/popcornmix/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/popcornmix/subscriptions","organizations_url":"https://api.github.com/users/popcornmix/orgs","repos_url":"https://api.github.com/users/popcornmix/repos","events_url":"https://api.github.com/users/popcornmix/events{/privacy}","received_events_url":"https://api.github.com/users/popcornmix/received_events","type":"User","site_admin":false},"created_at":"2016-08-15T11:19:54Z","updated_at":"2016-08-15T11:19:54Z","body":"The kernel for jessie is using 4.4 tree. \r\nYou really should upgrade if you are having problems.\r\nI'm not saying for certain it is fixed, but we can't do anything to help problems with an old kernel/firmware."}}
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