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Message-ID: <665a9824-b0c5-9eb3-d4b6-4821204d5db0@osg.samsung.com> Date: Tue, 7 Jun 2016 14:55:32 -0400 From: Javier Martinez Canillas <javier@....samsung.com> To: Stephen Boyd <stephen.boyd@...aro.org> Cc: Javier Martinez Canillas <javier@...hile0.org>, Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...eaurora.org>, Linux Kernel <linux-kernel@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, linux-clk@...r.kernel.org Subject: Re: [PATCH 17/34] clk: maxgen: Migrate to clk_hw based OF and registration APIs On 06/07/2016 02:50 PM, Javier Martinez Canillas wrote: > Hello Stephen, > > On Wed, Jun 1, 2016 at 7:15 PM, Stephen Boyd <stephen.boyd@...aro.org> wrote: >> Now that we have clk_hw based provider APIs to register clks, we >> can get rid of struct clk pointers while registering clks in >> these drivers, allowing us to move closer to a clear split of >> consumer and provider clk APIs. >> >> Cc: Javier Martinez Canillas <javier.martinez@...labora.co.uk> > > This email address doesn't exist anymore, you can use > javier@....samsung.com instead. > >> Signed-off-by: Stephen Boyd <stephen.boyd@...aro.org> >> --- >> >> See commit 58657d189a2f and it's children for details on this >> new registration API. >> > > I tried this patch on top of linux-next and my Peach Pi Chromebook > (that has a max77802 chip) failed to boot. Following is the relevant > parts from the boot log: > It seems the mailer did a mess with the line wrapping so here's another attempt: [ 3.096860] WARNING: CPU: 1 PID: 121 at include/linux/kref.h:46 __clk_get+0x90/0x98 [ 3.096882] Modules linked in: [ 3.096896] CPU: 1 PID: 121 Comm: kworker/u16:2 Not tainted 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 3.096905] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 3.096926] Workqueue: deferwq deferred_probe_work_func [ 3.096956] [<c010e1ac>] (unwind_backtrace) from [<c010af38>] (show_stack+0x10/0x14) [ 3.096971] [<c010af38>] (show_stack) from [<c032479c>] (dump_stack+0x88/0x9c) [ 3.096986] [<c032479c>] (dump_stack) from [<c011a82c>] (__warn+0xe8/0x100) [ 3.096997] [<c011a82c>] (__warn) from [<c011a8f4>] (warn_slowpath_null+0x20/0x28) [ 3.097009] [<c011a8f4>] (warn_slowpath_null) from [<c05528dc>] (__clk_get+0x90/0x98) [ 3.097024] [<c05528dc>] (__clk_get) from [<c0552a40>] (__of_clk_get_from_provider+0x70/0x10c) [ 3.097041] [<c0552a40>] (__of_clk_get_from_provider) from [<c054f160>] (__of_clk_get_by_name+0xf0/0x108) [ 3.097055] [<c054f160>] (__of_clk_get_by_name) from [<c054f1c0>] (clk_get+0x2c/0x5c) [ 3.097070] [<c054f1c0>] (clk_get) from [<c054ed54>] (devm_clk_get+0x3c/0x78) [ 3.097086] [<c054ed54>] (devm_clk_get) from [<c04e4798>] (s3c_rtc_probe+0x2bc/0x438) [ 3.097101] [<c04e4798>] (s3c_rtc_probe) from [<c03fc040>] (platform_drv_probe+0x4c/0xb0) [ 3.097115] [<c03fc040>] (platform_drv_probe) from [<c03fa794>] (driver_probe_device+0x214/0x2c0) [ 3.097136] [<c03fa794>] (driver_probe_device) from [<c03f8bb4>] (bus_for_each_drv+0x60/0x94) [ 3.097149] [<c03f8bb4>] (bus_for_each_drv) from [<c03fa4a0>] (__device_attach+0xb0/0x114) [ 3.097163] [<c03fa4a0>] (__device_attach) from [<c03f9adc>] (bus_probe_device+0x84/0x8c) [ 3.097174] [<c03f9adc>] (bus_probe_device) from [<c03f9f6c>] (deferred_probe_work_func+0x68/0x98) [ 3.097193] [<c03f9f6c>] (deferred_probe_work_func) from [<c012ff2c>] (process_one_work+0x124/0x338) [ 3.097208] [<c012ff2c>] (process_one_work) from [<c0130178>] (worker_thread+0x38/0x4d4) [ 3.097224] [<c0130178>] (worker_thread) from [<c0135454>] (kthread+0xdc/0xf4) [ 3.097239] [<c0135454>] (kthread) from [<c0107978>] (ret_from_fork+0x14/0x3c) [ 3.097251] ---[ end trace c79e2db53b5a7881 ]--- [ 3.097286] Unable to handle kernel NULL pointer dereference at virtual address 0000003f [ 3.097293] pgd = c0004000 [ 3.097312] [0000003f] *pgd=00000000 [ 3.097324] Internal error: Oops: 5 [#1] PREEMPT SMP ARM [ 3.097342] Modules linked in: [ 3.097354] CPU: 1 PID: 121 Comm: kworker/u16:2 Tainted: G W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 3.097364] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 3.097384] Workqueue: deferwq deferred_probe_work_func [ 3.097394] task: ed22b200 ti: c3b9c000 task.ti: c3b9c000 [ 3.097408] PC is at clk_core_enable+0x10/0x98 [ 3.097420] LR is at clk_core_enable+0x40/0x98 [ 3.097430] pc : [<c054fc84>] lr : [<c054fcb4>] psr: a0000093 [ 3.097430] sp : c3b9dde8 ip : 00000000 fp : c3abed80 [ 3.097442] r10: edc1a800 r9 : 00000004 r8 : 00000000 [ 3.097453] r7 : edd72734 r6 : ede32a10 r5 : a0000013 r4 : ffffffff [ 3.097462] r3 : 00000000 r2 : 00000001 r1 : 00000001 r0 : ffffffff [ 3.097474] Flags: NzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment none [ 3.097484] Control: 10c5387d Table: 2000406a DAC: 00000051 [ 3.097495] Process kworker/u16:2 (pid: 121, stack limit = 0xc3b9c210) [ 3.097508] Stack: (0xc3b9dde8 to 0xc3b9e000) [ 3.097520] dde0: c3894340 a0000013 ede32a10 c054fcb4 edd75a40 a0000013 [ 3.097532] de00: ede32a10 c0550720 edd72710 edd75a40 ede32a10 c04e48bc ede1f550 00000001 [ 3.097546] de20: c089ff18 00000004 ede1f550 c3a88d70 00000000 ede1f550 00000001 c089ff18 [ 3.097558] de40: edd74d70 ede32a10 ede32a10 ede32a10 ede32a10 ede32a10 ede32a10 c0b2a504 [ 3.097570] de60: fffffdfb c03fc040 ede32a10 c0b8308c c0b83094 c0b2a504 00000000 c03fa794 [ 3.097582] de80: 00000000 c3b9deb8 c03fa924 00000001 00000000 00000000 edc1a800 c03f8bb4 [ 3.097594] dea0: edc05894 c3a69644 ede32a10 ede32a44 c0b211f0 c03fa4a0 ede32a10 00000001 [ 3.097603] dec0: c0b473a8 ede32a10 ede32a10 c0b211f0 c3b5ad00 c03f9adc ede32a10 c0b20f9c [ 3.097615] dee0: c0b20fc8 c03f9f6c c3abed80 c0b20fe8 edc1a800 c012ff2c c3abed80 edc1a824 [ 3.097628] df00: edc1a800 c3abed98 00000088 edc1a824 c0b02100 c3b9c000 edc1a800 c0130178 [ 3.097638] df20: c3b9c000 c3ac26c0 c3abed80 00000000 c3ac26c0 c3abed80 c0130140 00000000 [ 3.097649] df40: 00000000 00000000 00000000 c0135454 e7fddef0 00000000 e7fddef0 c3abed80 [ 3.097663] df60: 00000000 00000000 dead4ead ffffffff ffffffff c3b9df74 c3b9df74 00000000 [ 3.097675] df80: 00000000 dead4ead ffffffff ffffffff c3b9df90 c3b9df90 c3b9dfac c3ac26c0 [ 3.097688] dfa0: c0135378 00000000 00000000 c0107978 00000000 00000000 00000000 00000000 [ 3.097700] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 3.097710] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 e7fddef0 e7fddef0 [ 3.097725] [<c054fc84>] (clk_core_enable) from [<c054fcb4>] (clk_core_enable+0x40/0x98) [ 3.097741] [<c054fcb4>] (clk_core_enable) from [<c0550720>] (clk_enable+0x20/0x34) [ 3.097754] [<c0550720>] (clk_enable) from [<c04e48bc>] (s3c_rtc_probe+0x3e0/0x438) [ 3.097767] [<c04e48bc>] (s3c_rtc_probe) from [<c03fc040>] (platform_drv_probe+0x4c/0xb0) [ 3.097781] [<c03fc040>] (platform_drv_probe) from [<c03fa794>] (driver_probe_device+0x214/0x2c0) [ 3.097792] [<c03fa794>] (driver_probe_device) from [<c03f8bb4>] (bus_for_each_drv+0x60/0x94) [ 3.097802] [<c03f8bb4>] (bus_for_each_drv) from [<c03fa4a0>] (__device_attach+0xb0/0x114) [ 3.097815] [<c03fa4a0>] (__device_attach) from [<c03f9adc>] (bus_probe_device+0x84/0x8c) [ 3.097827] [<c03f9adc>] (bus_probe_device) from [<c03f9f6c>] (deferred_probe_work_func+0x68/0x98) [ 3.097841] [<c03f9f6c>] (deferred_probe_work_func) from [<c012ff2c>] (process_one_work+0x124/0x338) [ 3.097857] [<c012ff2c>] (process_one_work) from [<c0130178>] (worker_thread+0x38/0x4d4) [ 3.097870] [<c0130178>] (worker_thread) from [<c0135454>] (kthread+0xdc/0xf4) [ 3.097882] [<c0135454>] (kthread) from [<c0107978>] (ret_from_fork+0x14/0x3c) [ 3.097897] Code: e3500000 012fff1e e92d4070 e1a04000 (e5903040) [ 3.097915] ---[ end trace c79e2db53b5a7882 ]--- [ 3.097929] note: kworker/u16:2[121] exited with preempt_count 1 [ 3.098019] Unable to handle kernel paging request at virtual address ffffffe0 [ 3.098029] pgd = c0004000 [ 3.098064] [ffffffe0] *pgd=4fffd861, *pte=00000000, *ppte=00000000 [ 3.098075] Internal error: Oops: 37 [#2] PREEMPT SMP ARM [ 3.098094] Modules linked in: [ 3.098107] CPU: 1 PID: 121 Comm: kworker/u16:2 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 3.098117] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 3.098133] task: ed22b200 ti: c3b9c000 task.ti: c3b9c000 [ 3.098143] PC is at kthread_data+0x4/0xc [ 3.098155] LR is at wq_worker_sleeping+0x8/0xc8 [ 3.098166] pc : [<c0135a58>] lr : [<c0130dbc>] psr: 00000193 [ 3.098166] sp : c3b9dc20 ip : 00000400 fp : c3b9dc4c [ 3.098175] r10: ed22b200 r9 : 00000000 r8 : c0b0261c [ 3.098185] r7 : ed22b54c r6 : ed22b200 r5 : ee34c000 r4 : c0a64000 [ 3.098195] r3 : 00000000 r2 : 00000000 r1 : ed22b200 r0 : ed22b200 [ 3.098205] Flags: nzcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment none [ 3.098214] Control: 10c5387d Table: 2000406a DAC: 00000051 [ 3.098224] Process kworker/u16:2 (pid: 121, stack limit = 0xc3b9c210) [ 3.098234] Stack: (0xc3b9dc20 to 0xc3b9e000) [ 3.098246] dc20: c0a64000 c06cf400 ed22b200 ee34c640 c3b9c000 c3b9d98c 00000001 edc88000 [ 3.098260] dc40: c3b9dc60 ed22b4b8 c3b9dc5c c06cf61c ed22b200 c3b9d98c c3abed80 c011cf54 [ 3.098270] dc60: c3b9dc60 c3b9dc60 c3b9c000 c0b45404 0000000b c0878584 00000005 60000193 [ 3.098282] dc80: c0b0680c ed22b200 c3abed80 c010b168 c3b9c210 0000000b 0000003f c3b9dd98 [ 3.098296] dca0: 00000005 00000000 0000003f 00000004 edc1a800 c0114f58 00000005 c0110a08 [ 3.098308] dcc0: 00000000 00000000 60000013 00000000 ffffffff c0b06a4c 00000005 c0110aa4 [ 3.098318] dce0: 0000003f c3b9dd98 00000004 edc1a800 c3abed80 c0101334 c087ac10 c3b9dd24 [ 3.098329] dd00: c3abed80 c01955b8 c3abed80 c3b9dd24 00000000 00000000 00000000 c011a7e4 [ 3.098343] dd20: c087ac10 ffde7db5 3b5a7881 c79e2db5 0000002e c05528dc 00000001 00000001 [ 3.098354] dd40: c0b2ff84 c3b9dd50 c0b473a8 c06d1f70 00000001 c3b9dd50 00000000 edd75a40 [ 3.098366] dd60: c38944c0 c3b9dd90 ede1e380 c0552a50 ede1e380 c08c57a8 ee3a74a8 00000001 [ 3.098378] dd80: c054fc84 a0000093 ffffffff c3b9ddcc 00000000 c010b960 ffffffff 00000001 [ 3.098391] dda0: 00000001 00000000 ffffffff a0000013 ede32a10 edd72734 00000000 00000004 [ 3.098401] ddc0: edc1a800 c3abed80 00000000 c3b9dde8 c054fcb4 c054fc84 a0000093 ffffffff [ 3.098414] dde0: 00000051 a0000013 c3894340 a0000013 ede32a10 c054fcb4 edd75a40 a0000013 [ 3.098426] de00: ede32a10 c0550720 edd72710 edd75a40 ede32a10 c04e48bc ede1f550 00000001 [ 3.098436] de20: c089ff18 00000004 ede1f550 c3a88d70 00000000 ede1f550 00000001 c089ff18 [ 3.098450] de40: edd74d70 ede32a10 ede32a10 ede32a10 ede32a10 ede32a10 ede32a10 c0b2a504 [ 3.098465] de60: fffffdfb c03fc040 ede32a10 c0b8308c c0b83094 c0b2a504 00000000 c03fa794 [ 3.098478] de80: 00000000 c3b9deb8 c03fa924 00000001 00000000 00000000 edc1a800 c03f8bb4 [ 3.098488] dea0: edc05894 c3a69644 ede32a10 ede32a44 c0b211f0 c03fa4a0 ede32a10 00000001 [ 3.098501] dec0: c0b473a8 ede32a10 ede32a10 c0b211f0 c3b5ad00 c03f9adc ede32a10 c0b20f9c [ 3.098513] dee0: c0b20fc8 c03f9f6c c3abed80 c0b20fe8 edc1a800 c012ff2c c3abed80 edc1a824 [ 3.098526] df00: edc1a800 c3abed98 00000088 edc1a824 c0b02100 c3b9c000 edc1a800 c0130178 [ 3.098538] df20: c3b9c000 c3ac26c0 c3abed80 00000000 c3ac26c0 c3abed80 c0130140 00000000 [ 3.098549] df40: 00000000 00000000 00000000 c0135454 e7fddef0 00000000 e7fddef0 c3abed80 [ 3.098562] df60: 00000000 00000000 dead4ead ffffffff ffffffff c3b9df74 c3b9df74 00000001 [ 3.098574] df80: 00010001 dead4ead ffffffff ffffffff c3b9df90 c3b9df90 c3b9dfac c3ac26c0 [ 3.098580] dfa0: c0135378 00000000 00000000 c0107978 00000000 00000000 00000000 00000000 [ 3.098588] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 3.098593] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 e7fddef0 e7fddef0 [ 3.098602] [<c0135a58>] (kthread_data) from [<c0130dbc>] (wq_worker_sleeping+0x8/0xc8) [ 3.098619] [<c0130dbc>] (wq_worker_sleeping) from [<c06cf400>] (__schedule+0x2d4/0x4a4) [ 3.098629] [<c06cf400>] (__schedule) from [<c06cf61c>] (schedule+0x4c/0xac) [ 3.098641] [<c06cf61c>] (schedule) from [<c011cf54>] (do_exit+0x66c/0xa44) [ 3.098655] [<c011cf54>] (do_exit) from [<c010b168>] (die+0x22c/0x2ec) [ 3.098669] [<c010b168>] (die) from [<c0114f58>] (__do_kernel_fault.part.0+0x64/0x1e4) [ 3.098687] [<c0114f58>] (__do_kernel_fault.part.0) from [<c0110a08>] (do_bad_area+0x0/0x8c) [ 3.098702] [<c0110a08>] (do_bad_area) from [<c0110aa4>] (do_translation_fault+0x0/0xac) [ 3.098712] [<c0110aa4>] (do_translation_fault) from [<edc1a800>] (0xedc1a800) [ 3.098725] Code: e3a02002 e0431101 eaffff8e e5903310 (e5130020) [ 3.098744] ---[ end trace c79e2db53b5a7883 ]--- [ 3.098754] Fixing recursive fault but reboot is needed! [ 3.104585] smsc95xx 5-1.1:1.0 eth0: register 'smsc95xx' at usb-xhci-hcd.6.auto-1.1, smsc95xx USB 2.0 Ethernet, 94:eb:2c:00:03:c0 [ 43.484379] BUG: spinlock lockup suspected on CPU#1, kworker/u16:2/121 [ 43.489456] lock: 0xee34c000, .magic: dead4ead, .owner: kworker/u16:2/121, .owner_cpu: 1 [ 43.497614] CPU: 1 PID: 121 Comm: kworker/u16:2 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 43.508631] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 43.514707] [<c010e1ac>] (unwind_backtrace) from [<c010af38>] (show_stack+0x10/0x14) [ 43.522425] [<c010af38>] (show_stack) from [<c032479c>] (dump_stack+0x88/0x9c) [ 43.529627] [<c032479c>] (dump_stack) from [<c01582a4>] (do_raw_spin_lock+0xfc/0x1b0) [ 43.537435] [<c01582a4>] (do_raw_spin_lock) from [<c06cf1b0>] (__schedule+0x84/0x4a4) [ 43.545243] [<c06cf1b0>] (__schedule) from [<c06cf61c>] (schedule+0x4c/0xac) [ 43.552263] [<c06cf61c>] (schedule) from [<c011d16c>] (do_exit+0x884/0xa44) [ 43.559205] [<c011d16c>] (do_exit) from [<c010b168>] (die+0x22c/0x2ec) [ 43.565709] [<c010b168>] (die) from [<c0114f58>] (__do_kernel_fault.part.0+0x64/0x1e4) [ 43.573607] [<c0114f58>] (__do_kernel_fault.part.0) from [<c0110a08>] (do_bad_area+0x0/0x8c) [ 43.582023] [<c0110a08>] (do_bad_area) from [<c0110764>] (do_page_fault+0x0/0x2a4) [ 43.589569] [<c0110764>] (do_page_fault) from [<00000030>] (0x30) [ 43.595635] Sending NMI to all CPUs: [ 43.599187] NMI backtrace for cpu 1 [ 43.602663] CPU: 1 PID: 121 Comm: kworker/u16:2 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 43.613686] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 43.619759] [<c010e1ac>] (unwind_backtrace) from [<c010af38>] (show_stack+0x10/0x14) [ 43.627482] [<c010af38>] (show_stack) from [<c032479c>] (dump_stack+0x88/0x9c) [ 43.634683] [<c032479c>] (dump_stack) from [<c03280f0>] (nmi_cpu_backtrace+0x78/0x7c) [ 43.642487] [<c03280f0>] (nmi_cpu_backtrace) from [<c010cb4c>] (raise_nmi+0x60/0x64) [ 43.650208] [<c010cb4c>] (raise_nmi) from [<c0328064>] (nmi_trigger_all_cpu_backtrace+0x118/0x12c) [ 43.659144] [<c0328064>] (nmi_trigger_all_cpu_backtrace) from [<c01582ac>] (do_raw_spin_lock+0x104/0x1b0) [ 43.668688] [<c01582ac>] (do_raw_spin_lock) from [<c06cf1b0>] (__schedule+0x84/0x4a4) [ 43.676494] [<c06cf1b0>] (__schedule) from [<c06cf61c>] (schedule+0x4c/0xac) [ 43.683517] [<c06cf61c>] (schedule) from [<c011d16c>] (do_exit+0x884/0xa44) [ 43.690456] [<c011d16c>] (do_exit) from [<c010b168>] (die+0x22c/0x2ec) [ 43.696963] [<c010b168>] (die) from [<c0114f58>] (__do_kernel_fault.part.0+0x64/0x1e4) [ 43.704861] [<c0114f58>] (__do_kernel_fault.part.0) from [<c0110a08>] (do_bad_area+0x0/0x8c) [ 43.713277] [<c0110a08>] (do_bad_area) from [<c0110764>] (do_page_fault+0x0/0x2a4) [ 43.720821] [<c0110764>] (do_page_fault) from [<00000030>] (0x30) [ 43.727331] NMI backtrace for cpu 3 [ 43.730399] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 43.740901] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 43.746960] task: edc8c600 ti: edcc4000 task.ti: edcc4000 [ 43.752343] PC is at arch_cpu_idle+0x38/0x3c [ 43.756592] LR is at arch_cpu_idle+0x34/0x3c [ 43.760844] pc : [<c01083bc>] lr : [<c01083b8>] psr: 60000113 [ 43.767090] sp : edcc5fd8 ip : ee363f74 fp : c0b024b8 [ 43.772296] r10: c0b024c0 r9 : c0a633f8 r8 : 00000000 [ 43.777499] r7 : 00000000 r6 : 00000008 r5 : c0b02454 r4 : edcc4000 [ 43.784007] r3 : c0113e40 r2 : 00000000 r1 : 00000000 r0 : 00000001 [ 43.790515] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 43.797628] Control: 10c5387d Table: 2000406a DAC: 00000051 [ 43.803354] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 43.813858] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 43.819924] [<c010e1ac>] (unwind_backtrace) from [<c010af38>] (show_stack+0x10/0x14) [ 43.827647] [<c010af38>] (show_stack) from [<c032479c>] (dump_stack+0x88/0x9c) [ 43.834848] [<c032479c>] (dump_stack) from [<c03280d4>] (nmi_cpu_backtrace+0x5c/0x7c) [ 43.842655] [<c03280d4>] (nmi_cpu_backtrace) from [<c010d398>] (handle_IPI+0xd8/0x1ac) [ 43.850552] [<c010d398>] (handle_IPI) from [<c01014e4>] (gic_handle_irq+0x94/0x98) [ 43.858096] [<c01014e4>] (gic_handle_irq) from [<c010b9d4>] (__irq_svc+0x54/0x90) [ 43.865558] Exception stack(0xedcc5f88 to 0xedcc5fd0) [ 43.870583] 5f80: 00000001 00000000 00000000 c0113e40 edcc4000 c0b02454 [ 43.878744] 5fa0: 00000008 00000000 00000000 c0a633f8 c0b024c0 c0b024b8 ee363f74 edcc5fd8 [ 43.886900] 5fc0: c01083b8 c01083bc 60000113 ffffffff [ 43.891923] [<c010b9d4>] (__irq_svc) from [<c01083bc>] (arch_cpu_idle+0x38/0x3c) [ 43.899301] [<c01083bc>] (arch_cpu_idle) from [<c0151900>] (cpu_startup_entry+0x1cc/0x250) [ 43.907546] [<c0151900>] (cpu_startup_entry) from [<2010158c>] (0x2010158c) [ 43.914488] NMI backtrace for cpu 4 [ 43.917940] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 43.928436] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 43.934492] task: edc8cb00 ti: edcc6000 task.ti: edcc6000 [ 43.939869] PC is at arch_cpu_idle+0x38/0x3c [ 43.944117] LR is at arch_cpu_idle+0x34/0x3c [ 43.948369] pc : [<c01083bc>] lr : [<c01083b8>] psr: 60000013 [ 43.954617] sp : edcc7fd8 ip : 0000abe0 fp : c0b024b8 [ 43.959821] r10: c0b024c0 r9 : c0a633f8 r8 : 00000000 [ 43.965028] r7 : 00000000 r6 : 00000010 r5 : c0b02454 r4 : edcc6000 [ 43.971537] r3 : c0113e40 r2 : 00000000 r1 : 00000000 r0 : 00000001 [ 43.978041] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 43.985154] Control: 10c5387d Table: 2000406a DAC: 00000051 [ 43.990880] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 44.001390] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 44.007450] [<c010e1ac>] (unwind_backtrace) from [<c010af38>] (show_stack+0x10/0x14) [ 44.015180] [<c010af38>] (show_stack) from [<c032479c>] (dump_stack+0x88/0x9c) [ 44.022380] [<c032479c>] (dump_stack) from [<c03280d4>] (nmi_cpu_backtrace+0x5c/0x7c) [ 44.030189] [<c03280d4>] (nmi_cpu_backtrace) from [<c010d398>] (handle_IPI+0xd8/0x1ac) [ 44.038083] [<c010d398>] (handle_IPI) from [<c01014e4>] (gic_handle_irq+0x94/0x98) [ 44.045630] [<c01014e4>] (gic_handle_irq) from [<c010b9d4>] (__irq_svc+0x54/0x90) [ 44.053090] Exception stack(0xedcc7f88 to 0xedcc7fd0) [ 44.058109] 7f80: 00000001 00000000 00000000 c0113e40 edcc6000 c0b02454 [ 44.066277] 7fa0: 00000010 00000000 00000000 c0a633f8 c0b024c0 c0b024b8 0000abe0 edcc7fd8 [ 44.074432] 7fc0: c01083b8 c01083bc 60000013 ffffffff [ 44.079450] [<c010b9d4>] (__irq_svc) from [<c01083bc>] (arch_cpu_idle+0x38/0x3c) [ 44.086835] [<c01083bc>] (arch_cpu_idle) from [<c0151900>] (cpu_startup_entry+0x1cc/0x250) [ 44.095079] [<c0151900>] (cpu_startup_entry) from [<2010158c>] (0x2010158c) [ 44.102013] NMI backtrace for cpu 6 [ 44.105473] CPU: 6 PID: 0 Comm: swapper/6 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 44.115985] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 44.122040] task: edc8d500 ti: edcca000 task.ti: edcca000 [ 44.127418] PC is at arch_cpu_idle+0x38/0x3c [ 44.131665] LR is at arch_cpu_idle+0x34/0x3c [ 44.135918] pc : [<c01083bc>] lr : [<c01083b8>] psr: 60000013 [ 44.142168] sp : edccbfd8 ip : 0000abe0 fp : c0b024b8 [ 44.147369] r10: c0b024c0 r9 : c0a633f8 r8 : 00000000 [ 44.152575] r7 : 00000000 r6 : 00000040 r5 : c0b02454 r4 : edcca000 [ 44.159080] r3 : c0113e40 r2 : 00000000 r1 : 00000000 r0 : 00000001 [ 44.165589] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 44.172705] Control: 10c5387d Table: 2000406a DAC: 00000051 [ 44.178429] CPU: 6 PID: 0 Comm: swapper/6 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 44.188942] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 44.194997] [<c010e1ac>] (unwind_backtrace) from [<c010af38>] (show_stack+0x10/0x14) [ 44.202729] [<c010af38>] (show_stack) from [<c032479c>] (dump_stack+0x88/0x9c) [ 44.209929] [<c032479c>] (dump_stack) from [<c03280d4>] (nmi_cpu_backtrace+0x5c/0x7c) [ 44.217742] [<c03280d4>] (nmi_cpu_backtrace) from [<c010d398>] (handle_IPI+0xd8/0x1ac) [ 44.225633] [<c010d398>] (handle_IPI) from [<c01014e4>] (gic_handle_irq+0x94/0x98) [ 44.233179] [<c01014e4>] (gic_handle_irq) from [<c010b9d4>] (__irq_svc+0x54/0x90) [ 44.240639] Exception stack(0xedccbf88 to 0xedccbfd0) [ 44.245656] bf80: 00000001 00000000 00000000 c0113e40 edcca000 c0b02454 [ 44.253827] bfa0: 00000040 00000000 00000000 c0a633f8 c0b024c0 c0b024b8 0000abe0 edccbfd8 [ 44.261982] bfc0: c01083b8 c01083bc 60000013 ffffffff [ 44.266998] [<c010b9d4>] (__irq_svc) from [<c01083bc>] (arch_cpu_idle+0x38/0x3c) [ 44.274387] [<c01083bc>] (arch_cpu_idle) from [<c0151900>] (cpu_startup_entry+0x1cc/0x250) [ 44.282629] [<c0151900>] (cpu_startup_entry) from [<2010158c>] (0x2010158c) [ 81.055964] BUG: spinlock lockup suspected on CPU#0, kworker/0:0/4 [ 81.060688] lock: enable_lock+0x0/0x10, .magic: dead4ead, .owner: kworker/u16:2/121, .owner_cpu: 1 [ 81.069700] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 81.070847] BUG: spinlock lockup suspected on CPU#2, kworker/2:1/108 [ 81.070861] lock: enable_lock+0x0/0x10, .magic: dead4ead, .owner: kworker/u16:2/121, .owner_cpu: 1 [ 81.095720] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 81.101790] Workqueue: events dbs_work_handler [ 81.106215] [<c010e1ac>] (unwind_backtrace) from [<c010af38>] (show_stack+0x10/0x14) [ 81.113942] [<c010af38>] (show_stack) from [<c032479c>] (dump_stack+0x88/0x9c) [ 81.121141] [<c032479c>] (dump_stack) from [<c01582a4>] (do_raw_spin_lock+0xfc/0x1b0) [ 81.128951] [<c01582a4>] (do_raw_spin_lock) from [<c06d3fdc>] (_raw_spin_lock_irqsave+0x20/0x28) [ 81.137713] [<c06d3fdc>] (_raw_spin_lock_irqsave) from [<c054fdd4>] (clk_enable_lock+0x58/0x110) [ 81.146474] [<c054fdd4>] (clk_enable_lock) from [<c0550714>] (clk_enable+0x14/0x34) [ 81.154113] [<c0550714>] (clk_enable) from [<c04eb04c>] (exynos5_i2c_xfer+0x28/0x2f4) [ 81.161915] [<c04eb04c>] (exynos5_i2c_xfer) from [<c04e6bc8>] (__i2c_transfer+0x13c/0x278) [ 81.170156] [<c04e6bc8>] (__i2c_transfer) from [<c04e6d70>] (i2c_transfer+0x6c/0xa8) [ 81.177876] [<c04e6d70>] (i2c_transfer) from [<c04e6de8>] (i2c_master_send+0x3c/0x4c) [ 81.185685] [<c04e6de8>] (i2c_master_send) from [<c0415d30>] (regmap_i2c_write+0x10/0x2c) [ 81.193847] [<c0415d30>] (regmap_i2c_write) from [<c0411dd0>] (_regmap_raw_write+0x514/0x5f0) [ 81.202342] [<c0411dd0>] (_regmap_raw_write) from [<c0411154>] (_regmap_update_bits+0xc0/0xc4) [ 81.210929] [<c0411154>] (_regmap_update_bits) from [<c04120c0>] (regmap_update_bits_base+0x50/0x74) [ 81.220047] [<c04120c0>] (regmap_update_bits_base) from [<c037d910>] (regulator_set_voltage_sel_regmap+0x4c/0x9c) [ 81.230277] [<c037d910>] (regulator_set_voltage_sel_regmap) from [<c03799e4>] (_regulator_do_set_voltage+0x288/0x358) [ 81.240859] [<c03799e4>] (_regulator_do_set_voltage) from [<c037a624>] (regulator_set_voltage_unlocked+0x1d8/0x22c) [ 81.251268] [<c037a624>] (regulator_set_voltage_unlocked) from [<c037a6a0>] (regulator_set_voltage+0x28/0x54) [ 81.261166] [<c037a6a0>] (regulator_set_voltage) from [<c0408868>] (_set_opp_voltage+0x30/0x98) [ 81.269834] [<c0408868>] (_set_opp_voltage) from [<c0408fa8>] (dev_pm_opp_set_rate+0x10c/0x2b4) [ 81.278513] [<c0408fa8>] (dev_pm_opp_set_rate) from [<c050dbdc>] (__cpufreq_driver_target+0x170/0x2d4) [ 81.287792] [<c050dbdc>] (__cpufreq_driver_target) from [<c0510ec8>] (od_dbs_timer+0x9c/0x168) [ 81.296377] [<c0510ec8>] (od_dbs_timer) from [<c0511474>] (dbs_work_handler+0x2c/0x60) [ 81.304271] [<c0511474>] (dbs_work_handler) from [<c012ff2c>] (process_one_work+0x124/0x338) [ 81.312686] [<c012ff2c>] (process_one_work) from [<c0130178>] (worker_thread+0x38/0x4d4) [ 81.320755] [<c0130178>] (worker_thread) from [<c0135454>] (kthread+0xdc/0xf4) [ 81.327954] [<c0135454>] (kthread) from [<c0107978>] (ret_from_fork+0x14/0x3c) [ 81.335151] Sending NMI to all CPUs: [ 81.335155] CPU: 2 PID: 108 Comm: kworker/2:1 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 81.335160] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 81.335178] Workqueue: pm pm_runtime_work [ 81.335192] [<c010e1ac>] (unwind_backtrace) from [<c010af38>] (show_stack+0x10/0x14) [ 81.335203] [<c010af38>] (show_stack) from [<c032479c>] (dump_stack+0x88/0x9c) [ 81.335213] [<c032479c>] (dump_stack) from [<c01582a4>] (do_raw_spin_lock+0xfc/0x1b0) [ 81.335224] [<c01582a4>] (do_raw_spin_lock) from [<c06d3fdc>] (_raw_spin_lock_irqsave+0x20/0x28) [ 81.335235] [<c06d3fdc>] (_raw_spin_lock_irqsave) from [<c054fdd4>] (clk_enable_lock+0x58/0x110) [ 81.335246] [<c054fdd4>] (clk_enable_lock) from [<c05507e4>] (clk_disable+0x1c/0x34) [ 81.335257] [<c05507e4>] (clk_disable) from [<c0372774>] (amba_pm_runtime_suspend+0x50/0x58) [ 81.335268] [<c0372774>] (amba_pm_runtime_suspend) from [<c0402d18>] (__rpm_callback+0x2c/0x60) [ 81.335278] [<c0402d18>] (__rpm_callback) from [<c0402d6c>] (rpm_callback+0x20/0x80) [ 81.335289] [<c0402d6c>] (rpm_callback) from [<c0403234>] (rpm_suspend+0xdc/0x4c0) [ 81.335299] [<c0403234>] (rpm_suspend) from [<c040453c>] (pm_runtime_work+0x74/0xa8) [ 81.335311] [<c040453c>] (pm_runtime_work) from [<c012ff2c>] (process_one_work+0x124/0x338) [ 81.335323] [<c012ff2c>] (process_one_work) from [<c0130178>] (worker_thread+0x38/0x4d4) [ 81.335334] [<c0130178>] (worker_thread) from [<c0135454>] (kthread+0xdc/0xf4) [ 81.335345] [<c0135454>] (kthread) from [<c0107978>] (ret_from_fork+0x14/0x3c) [ 81.478460] NMI backtrace for cpu 0 [ 81.481925] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 81.492602] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 81.498669] Workqueue: events dbs_work_handler [ 81.503094] [<c010e1ac>] (unwind_backtrace) from [<c010af38>] (show_stack+0x10/0x14) [ 81.510822] [<c010af38>] (show_stack) from [<c032479c>] (dump_stack+0x88/0x9c) [ 81.518022] [<c032479c>] (dump_stack) from [<c03280f0>] (nmi_cpu_backtrace+0x78/0x7c) [ 81.525829] [<c03280f0>] (nmi_cpu_backtrace) from [<c010cb4c>] (raise_nmi+0x60/0x64) [ 81.533551] [<c010cb4c>] (raise_nmi) from [<c0328064>] (nmi_trigger_all_cpu_backtrace+0x118/0x12c) [ 81.542487] [<c0328064>] (nmi_trigger_all_cpu_backtrace) from [<c01582ac>] (do_raw_spin_lock+0x104/0x1b0) [ 81.552029] [<c01582ac>] (do_raw_spin_lock) from [<c06d3fdc>] (_raw_spin_lock_irqsave+0x20/0x28) [ 81.560791] [<c06d3fdc>] (_raw_spin_lock_irqsave) from [<c054fdd4>] (clk_enable_lock+0x58/0x110) [ 81.569553] [<c054fdd4>] (clk_enable_lock) from [<c0550714>] (clk_enable+0x14/0x34) [ 81.577187] [<c0550714>] (clk_enable) from [<c04eb04c>] (exynos5_i2c_xfer+0x28/0x2f4) [ 81.584994] [<c04eb04c>] (exynos5_i2c_xfer) from [<c04e6bc8>] (__i2c_transfer+0x13c/0x278) [ 81.593234] [<c04e6bc8>] (__i2c_transfer) from [<c04e6d70>] (i2c_transfer+0x6c/0xa8) [ 81.600955] [<c04e6d70>] (i2c_transfer) from [<c04e6de8>] (i2c_master_send+0x3c/0x4c) [ 81.608762] [<c04e6de8>] (i2c_master_send) from [<c0415d30>] (regmap_i2c_write+0x10/0x2c) [ 81.616918] [<c0415d30>] (regmap_i2c_write) from [<c0411dd0>] (_regmap_raw_write+0x514/0x5f0) [ 81.625420] [<c0411dd0>] (_regmap_raw_write) from [<c0411154>] (_regmap_update_bits+0xc0/0xc4) [ 81.634008] [<c0411154>] (_regmap_update_bits) from [<c04120c0>] (regmap_update_bits_base+0x50/0x74) [ 81.643118] [<c04120c0>] (regmap_update_bits_base) from [<c037d910>] (regulator_set_voltage_sel_regmap+0x4c/0x9c) [ 81.653355] [<c037d910>] (regulator_set_voltage_sel_regmap) from [<c03799e4>] (_regulator_do_set_voltage+0x288/0x358) [ 81.663937] [<c03799e4>] (_regulator_do_set_voltage) from [<c037a624>] (regulator_set_voltage_unlocked+0x1d8/0x22c) [ 81.674348] [<c037a624>] (regulator_set_voltage_unlocked) from [<c037a6a0>] (regulator_set_voltage+0x28/0x54) [ 81.684238] [<c037a6a0>] (regulator_set_voltage) from [<c0408868>] (_set_opp_voltage+0x30/0x98) [ 81.692912] [<c0408868>] (_set_opp_voltage) from [<c0408fa8>] (dev_pm_opp_set_rate+0x10c/0x2b4) [ 81.701587] [<c0408fa8>] (dev_pm_opp_set_rate) from [<c050dbdc>] (__cpufreq_driver_target+0x170/0x2d4) [ 81.710870] [<c050dbdc>] (__cpufreq_driver_target) from [<c0510ec8>] (od_dbs_timer+0x9c/0x168) [ 81.719456] [<c0510ec8>] (od_dbs_timer) from [<c0511474>] (dbs_work_handler+0x2c/0x60) [ 81.727350] [<c0511474>] (dbs_work_handler) from [<c012ff2c>] (process_one_work+0x124/0x338) [ 81.735766] [<c012ff2c>] (process_one_work) from [<c0130178>] (worker_thread+0x38/0x4d4) [ 81.743834] [<c0130178>] (worker_thread) from [<c0135454>] (kthread+0xdc/0xf4) [ 81.751033] [<c0135454>] (kthread) from [<c0107978>] (ret_from_fork+0x14/0x3c) [ 81.758426] NMI backtrace for cpu 3 [ 81.761710] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 81.772212] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 81.778277] task: edc8c600 ti: edcc4000 task.ti: edcc4000 [ 81.783655] PC is at arch_cpu_idle+0x38/0x3c [ 81.787905] LR is at arch_cpu_idle+0x34/0x3c [ 81.792155] pc : [<c01083bc>] lr : [<c01083b8>] psr: 60000113 [ 81.798403] sp : edcc5fd8 ip : ee363f74 fp : c0b024b8 [ 81.803608] r10: c0b024c0 r9 : c0a633f8 r8 : 00000000 [ 81.808813] r7 : 00000000 r6 : 00000008 r5 : c0b02454 r4 : edcc4000 [ 81.815320] r3 : c0113e40 r2 : 00000000 r1 : 00000000 r0 : 00000001 [ 81.821826] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 81.828940] Control: 10c5387d Table: 2000406a DAC: 00000051 [ 81.834666] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D W 4.7.0-rc2-next-20160606-00009-g897c9c5cd3cf #117 [ 81.845168] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 81.851233] [<c010e1ac>] (unwind_backtrace) from [<c010af38>] (show_stack+0x10/0x14) [ 81.858960] [<c010af38>] (show_stack) from [<c032479c>] (dump_stack+0x88/0x9c) [ 81.866160] [<c032479c>] (dump_stack) from [<c03280d4>] (nmi_cpu_backtrace+0x5c/0x7c) [ 81.873967] [<c03280d4>] (nmi_cpu_backtrace) from [<c010d398>] (handle_IPI+0xd8/0x1ac) [ 81.881861] [<c010d398>] (handle_IPI) from [<c01014e4>] (gic_handle_irq+0x94/0x98) [ 81.889409] [<c01014e4>] (gic_handle_irq) from [<c010b9d4>] (__irq_svc+0x54/0x90) [ 81.896869] Exception stack(0xedcc5f88 to 0xedcc5fd0) [ 81.901895] 5f80: 00000001 00000000 00000000 c0113e40 edcc4000 c0b02454 [ 81.910056] 5fa0: 00000008 00000000 00000000 c0a633f8 c0b024c0 c0b024b8 ee363f74 edcc5fd8 [ 81.918210] 5fc0: c01083b8 c01083bc 60000113 ffffffff [ 81.923236] [<c010b9d4>] (__irq_svc) from [<c01083bc>] (arch_cpu_idle+0x38/0x3c) [ 81.930615] [<c01083bc>] (arch_cpu_idle) from [<c0151900>] (cpu_startup_entry+0x1cc/0x250) [ 81.938857] [<c0151900>] (cpu_startup_entry) from [<2010158c>] (0x2010158c)
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