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Message-ID: <CAA+hA=QLEk6mwciX4nLfmAMYahtenoL9+zR_YJ4veSkh-3uLEQ@mail.gmail.com> Date: Tue, 23 Feb 2016 11:45:28 +0800 From: Dong Aisheng <dongas86@...il.com> To: Fabio Estevam <festevam@...il.com> Cc: Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...eaurora.org>, Dong Aisheng <b29396@...escale.com>, "Ranjani.Vaidyanathan@...escale.com" <Ranjani.Vaidyanathan@...escale.com>, Li Frank-B20596 <b20596@...escale.com>, linux-kernel <linux-kernel@...r.kernel.org>, Jason Liu <r64343@...escale.com>, Anson Huang <b20788@...escale.com>, Shawn Guo <shawnguo@...nel.org>, linux-clk@...r.kernel.org, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, Dong Aisheng <aisheng.dong@...escale.com> Subject: Re: [PATCH V3 0/5] clk: support clocks which requires parent clock on during operation On Mon, Feb 22, 2016 at 10:55 PM, Fabio Estevam <festevam@...il.com> wrote: > Hi Mike, > > On Thu, Aug 13, 2015 at 7:17 AM, Dong Aisheng > <aisheng.dong@...escale.com> wrote: > >> Hi Mike, >> >> It's been quite a long time. >> Can you help pick this? > > Yes, we are still getting lots of clock warnings in mx7d in mainline > without Dong's series: > Hi Mike & Stephen, It's been pending a long time. What's your fix plan? Can we merge this patch series first? I believe there're also other platforms need this fix too. Regards Dong Aisheng > [ 0.000000] ------------[ cut here ]------------ > [ 0.000000] WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:3382 > lock_release+0x2f8/0x334() > [ 0.000000] releasing a pinned lock > [ 0.000000] Modules linked in: > [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted > 4.5.0-rc5-next-20160222 #256 > [ 0.000000] Hardware name: Freescale i.MX7 Dual (Device Tree) > [ 0.000000] Backtrace: > [ 0.000000] [<c010b6f4>] (dump_backtrace) from [<c010b890>] > (show_stack+0x18/0x1c) > [ 0.000000] r6:600000d3 r5:ffffffff r4:00000000 r3:00000000 > [ 0.000000] [<c010b878>] (show_stack) from [<c03dae8c>] > (dump_stack+0xb0/0xe8) > [ 0.000000] [<c03daddc>] (dump_stack) from [<c012461c>] > (warn_slowpath_common+0x80/0xbc) > [ 0.000000] r8:c0ad86ec r7:00000009 r6:00000d36 r5:c0169e5c > r4:c0d01ba0 r3:c0d064c0 > [ 0.000000] [<c012459c>] (warn_slowpath_common) from [<c01246fc>] > (warn_slowpath_fmt+0x38/0x40) > [ 0.000000] r8:c0d06980 r7:00000002 r6:00000001 r5:c0d064c0 r4:ef7c2290 > [ 0.000000] [<c01246c8>] (warn_slowpath_fmt) from [<c0169e5c>] > (lock_release+0x2f8/0x334) > [ 0.000000] r3:00000026 r2:c0ad9698 > [ 0.000000] [<c0169b64>] (lock_release) from [<c08e31f8>] > (_raw_spin_unlock_irq+0x20/0x34) > [ 0.000000] r10:c0c75280 r9:ef7c2280 r8:00000000 r7:c0d02b10 > r6:00000001 r5:ef7c2280 > [ 0.000000] r4:ef7c2280 > [ 0.000000] [<c08e31d8>] (_raw_spin_unlock_irq) from [<c015219c>] > (dequeue_task_idle+0x14/0x30) > [ 0.000000] r4:ef7c2280 r3:c0152188 > [ 0.000000] [<c0152188>] (dequeue_task_idle) from [<c0149a50>] > (deactivate_task+0x64/0x68) > [ 0.000000] r4:c0d064c0 r3:c0152188 > [ 0.000000] [<c01499ec>] (deactivate_task) from [<c08ddd68>] > (__schedule+0x2cc/0x6d8) > [ 0.000000] r6:c0d06804 r5:ef7c2290 r4:c0d064c0 r3:00000002 > [ 0.000000] [<c08dda9c>] (__schedule) from [<c08de29c>] (schedule+0x3c/0xa0) > [ 0.000000] r10:c0d064c0 r9:c1560db8 r8:00000001 r7:00000000 > r6:0006ddd0 r5:00000000 > [ 0.000000] r4:0007a120 > [ 0.000000] [<c08de260>] (schedule) from [<c08e28b0>] > (schedule_hrtimeout_range_clock+0xd4/0x13c) > [ 0.000000] [<c08e27dc>] (schedule_hrtimeout_range_clock) from > [<c08e293c>] (schedule_hrtimeout_range+0x24/0x2c) > [ 0.000000] r10:000006d8 r8:000000d8 r7:00000003 r6:ffff8ad1 > r5:c0d02100 r4:ef00c040 > [ 0.000000] [<c08e2918>] (schedule_hrtimeout_range) from > [<c08e2360>] (usleep_range+0x54/0x5c) > [ 0.000000] [<c08e230c>] (usleep_range) from [<c068b83c>] > (clk_pllv3_wait_lock+0x7c/0xb4) > [ 0.000000] [<c068b7c0>] (clk_pllv3_wait_lock) from [<c068ba4c>] > (clk_pllv3_prepare+0x2c/0x30) > [ 0.000000] r6:c0d5c7f4 r5:00000000 r4:ef007680 r3:f08400f0 > [ 0.000000] [<c068ba20>] (clk_pllv3_prepare) from [<c0685e08>] > (clk_core_prepare+0xa0/0xcc) > [ 0.000000] [<c0685d68>] (clk_core_prepare) from [<c0685e54>] > (clk_prepare+0x20/0x30) > [ 0.000000] r5:00000000 r4:ef00c100 > [ 0.000000] [<c0685e34>] (clk_prepare) from [<c0c4a700>] > (imx7d_clocks_init+0x6114/0x6198) > [ 0.000000] r4:ef00c100 r3:c0d064c0 > [ 0.000000] [<c0c445ec>] (imx7d_clocks_init) from [<c0c30c08>] > (of_clk_init+0x138/0x1e8) > [ 0.000000] r10:c0d01f70 r9:00000001 r8:c0d01f68 r7:00000000 > r6:ef004340 r5:ef7e3d60 > [ 0.000000] r4:00000003 > [ 0.000000] [<c0c30ad0>] (of_clk_init) from [<c0c049f0>] > (time_init+0x2c/0x38) > [ 0.000000] r10:00000001 r9:410fc075 r8:efffcb80 r7:c0c5ca48 > r6:c0d76000 r5:ffffffff > [ 0.000000] r4:00000000 > [ 0.000000] [<c0c049c4>] (time_init) from [<c0c00bcc>] > (start_kernel+0x26c/0x400) > [ 0.000000] [<c0c00960>] (start_kernel) from [<8000807c>] (0x8000807c) > [ 0.000000] r10:00000000 r8:8000406a r7:c0d07e4c r6:c0c5ca44 > r5:c0d0296c r4:c0d76294 > [ 0.000000] ---[ end trace cb88537fdc8fa200 ]--- > [ 0.000000] ------------[ cut here ]------------ > [ 0.000000] WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:2576 > trace_hardirqs_on_caller+0x1ac/0x1f0() > [ 0.000000] DEBUG_LOCKS_WARN_ON(unlikely(early_boot_irqs_disabled)) > [ 0.000000] Modules linked in: > [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W > 4.5.0-rc5-next-20160222 #256 > [ 0.000000] Hardware name: Freescale i.MX7 Dual (Device Tree) > [ 0.000000] Backtrace: > [ 0.000000] [<c010b6f4>] (dump_backtrace) from [<c010b890>] > (show_stack+0x18/0x1c) > [ 0.000000] r6:600000d3 r5:ffffffff r4:00000000 r3:00000000 > [ 0.000000] [<c010b878>] (show_stack) from [<c03dae8c>] > (dump_stack+0xb0/0xe8) > [ 0.000000] [<c03daddc>] (dump_stack) from [<c012461c>] > (warn_slowpath_common+0x80/0xbc) > [ 0.000000] r8:c0ad86ec r7:00000009 r6:00000a10 r5:c016a948 > r4:c0d01bc8 r3:c0d064c0 > [ 0.000000] [<c012459c>] (warn_slowpath_common) from [<c01246fc>] > (warn_slowpath_fmt+0x38/0x40) > [ 0.000000] r8:00000000 r7:c0d02b10 r6:00000001 r5:ef7c2280 r4:c08e3204 > [ 0.000000] [<c01246c8>] (warn_slowpath_fmt) from [<c016a948>] > (trace_hardirqs_on_caller+0x1ac/0x1f0) > [ 0.000000] r3:c0ad9700 r2:c0ad5cc8 > [ 0.000000] [<c016a79c>] (trace_hardirqs_on_caller) from > [<c016a9a0>] (trace_hardirqs_on+0x14/0x18) > [ 0.000000] r6:00000001 r5:ef7c2280 r4:ef7c2280 r3:600000d3 > [ 0.000000] [<c016a98c>] (trace_hardirqs_on) from [<c08e3204>] > (_raw_spin_unlock_irq+0x2c/0x34) > [ 0.000000] [<c08e31d8>] (_raw_spin_unlock_irq) from [<c015219c>] > (dequeue_task_idle+0x14/0x30) > [ 0.000000] r4:ef7c2280 r3:c0152188 > [ 0.000000] [<c0152188>] (dequeue_task_idle) from [<c0149a50>] > (deactivate_task+0x64/0x68) > [ 0.000000] r4:c0d064c0 r3:c0152188 > [ 0.000000] [<c01499ec>] (deactivate_task) from [<c08ddd68>] > (__schedule+0x2cc/0x6d8) > [ 0.000000] r6:c0d06804 r5:ef7c2290 r4:c0d064c0 r3:00000002 > [ 0.000000] [<c08dda9c>] (__schedule) from [<c08de29c>] (schedule+0x3c/0xa0) > [ 0.000000] r10:c0d064c0 r9:c1560db8 r8:00000001 r7:00000000 > r6:0006ddd0 r5:00000000 > [ 0.000000] r4:0007a120 > [ 0.000000] [<c08de260>] (schedule) from [<c08e28b0>] > (schedule_hrtimeout_range_clock+0xd4/0x13c) > [ 0.000000] [<c08e27dc>] (schedule_hrtimeout_range_clock) from > [<c08e293c>] (schedule_hrtimeout_range+0x24/0x2c) > [ 0.000000] r10:000006d8 r8:000000d8 r7:00000003 r6:ffff8ad1 > r5:c0d02100 r4:ef00c040 > [ 0.000000] [<c08e2918>] (schedule_hrtimeout_range) from > [<c08e2360>] (usleep_range+0x54/0x5c) > [ 0.000000] [<c08e230c>] (usleep_range) from [<c068b83c>] > (clk_pllv3_wait_lock+0x7c/0xb4) > [ 0.000000] [<c068b7c0>] (clk_pllv3_wait_lock) from [<c068ba4c>] > (clk_pllv3_prepare+0x2c/0x30) > [ 0.000000] r6:c0d5c7f4 r5:00000000 r4:ef007680 r3:f08400f0 > [ 0.000000] [<c068ba20>] (clk_pllv3_prepare) from [<c0685e08>] > (clk_core_prepare+0xa0/0xcc) > [ 0.000000] [<c0685d68>] (clk_core_prepare) from [<c0685e54>] > (clk_prepare+0x20/0x30) > [ 0.000000] r5:00000000 r4:ef00c100 > [ 0.000000] [<c0685e34>] (clk_prepare) from [<c0c4a700>] > (imx7d_clocks_init+0x6114/0x6198) > [ 0.000000] r4:ef00c100 r3:c0d064c0 > [ 0.000000] [<c0c445ec>] (imx7d_clocks_init) from [<c0c30c08>] > (of_clk_init+0x138/0x1e8) > [ 0.000000] r10:c0d01f70 r9:00000001 r8:c0d01f68 r7:00000000 > r6:ef004340 r5:ef7e3d60 > [ 0.000000] r4:00000003 > [ 0.000000] [<c0c30ad0>] (of_clk_init) from [<c0c049f0>] > (time_init+0x2c/0x38) > [ 0.000000] r10:00000001 r9:410fc075 r8:efffcb80 r7:c0c5ca48 > r6:c0d76000 r5:ffffffff > [ 0.000000] r4:00000000 > [ 0.000000] [<c0c049c4>] (time_init) from [<c0c00bcc>] > (start_kernel+0x26c/0x400) > [ 0.000000] [<c0c00960>] (start_kernel) from [<8000807c>] (0x8000807c) > [ 0.000000] r10:00000000 r8:8000406a r7:c0d07e4c r6:c0c5ca44 > r5:c0d0296c r4:c0d76294 > [ 0.000000] ---[ end trace cb88537fdc8fa201 ]--- > [ 0.000000] bad: scheduling from the idle thread! > [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W > 4.5.0-rc5-next-20160222 #256 > [ 0.000000] Hardware name: Freescale i.MX7 Dual (Device Tree) > [ 0.000000] Backtrace: > [ 0.000000] [<c010b6f4>] (dump_backtrace) from [<c010b890>] > (show_stack+0x18/0x1c) > [ 0.000000] r6:60000053 r5:ffffffff r4:00000000 r3:00000000 > [ 0.000000] [<c010b878>] (show_stack) from [<c03dae8c>] > (dump_stack+0xb0/0xe8) > [ 0.000000] [<c03daddc>] (dump_stack) from [<c01521a8>] > (dequeue_task_idle+0x20/0x30) > [ 0.000000] r8:00000000 r7:c0d02b10 r6:00000001 r5:ef7c2280 > r4:ef7c2280 r3:c0d064c0 > [ 0.000000] [<c0152188>] (dequeue_task_idle) from [<c0149a50>] > (deactivate_task+0x64/0x68) > [ 0.000000] r4:c0d064c0 r3:c0152188 > [ 0.000000] [<c01499ec>] (deactivate_task) from [<c08ddd68>] > (__schedule+0x2cc/0x6d8) > [ 0.000000] r6:c0d06804 r5:ef7c2290 r4:c0d064c0 r3:00000002 > [ 0.000000] [<c08dda9c>] (__schedule) from [<c08de29c>] (schedule+0x3c/0xa0) > [ 0.000000] r10:c0d064c0 r9:c1560db8 r8:00000001 r7:00000000 > r6:0006ddd0 r5:00000000 > [ 0.000000] r4:0007a120 > [ 0.000000] [<c08de260>] (schedule) from [<c08e28b0>] > (schedule_hrtimeout_range_clock+0xd4/0x13c) > [ 0.000000] [<c08e27dc>] (schedule_hrtimeout_range_clock) from > [<c08e293c>] (schedule_hrtimeout_range+0x24/0x2c) > [ 0.000000] r10:000006d8 r8:000000d8 r7:00000003 r6:ffff8ad1 > r5:c0d02100 r4:ef00c040 > [ 0.000000] [<c08e2918>] (schedule_hrtimeout_range) from > [<c08e2360>] (usleep_range+0x54/0x5c) > [ 0.000000] [<c08e230c>] (usleep_range) from [<c068b83c>] > (clk_pllv3_wait_lock+0x7c/0xb4) > [ 0.000000] [<c068b7c0>] (clk_pllv3_wait_lock) from [<c068ba4c>] > (clk_pllv3_prepare+0x2c/0x30) > [ 0.000000] r6:c0d5c7f4 r5:00000000 r4:ef007680 r3:f08400f0 > [ 0.000000] [<c068ba20>] (clk_pllv3_prepare) from [<c0685e08>] > (clk_core_prepare+0xa0/0xcc) > [ 0.000000] [<c0685d68>] (clk_core_prepare) from [<c0685e54>] > (clk_prepare+0x20/0x30) > [ 0.000000] r5:00000000 r4:ef00c100 > [ 0.000000] [<c0685e34>] (clk_prepare) from [<c0c4a700>] > (imx7d_clocks_init+0x6114/0x6198) > [ 0.000000] r4:ef00c100 r3:c0d064c0 > [ 0.000000] [<c0c445ec>] (imx7d_clocks_init) from [<c0c30c08>] > (of_clk_init+0x138/0x1e8) > [ 0.000000] r10:c0d01f70 r9:00000001 r8:c0d01f68 r7:00000000 > r6:ef004340 r5:ef7e3d60 > [ 0.000000] r4:00000003 > [ 0.000000] [<c0c30ad0>] (of_clk_init) from [<c0c049f0>] > (time_init+0x2c/0x38) > [ 0.000000] r10:00000001 r9:410fc075 r8:efffcb80 r7:c0c5ca48 > r6:c0d76000 r5:ffffffff > [ 0.000000] r4:00000000 > [ 0.000000] [<c0c049c4>] (time_init) from [<c0c00bcc>] > (start_kernel+0x26c/0x400) > [ 0.000000] [<c0c00960>] (start_kernel) from [<8000807c>] (0x8000807c) > [ 0.000000] r10:00000000 r8:8000406a r7:c0d07e4c r6:c0c5ca44 > r5:c0d0296c r4:c0d76294 > [ 0.000000] Architected cp15 timer(s) running at 8.00MHz (virt). > [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff > max_cycles: 0x1d854df40, max_idle_ns: 440795202120 ns > [ 0.000000] ------------[ cut here ]------------ > [ 0.000000] WARNING: CPU: 0 PID: 0 at kernel/time/sched_clock.c:179 > sched_clock_register+0x44/0x1f8() > [ 0.000000] Modules linked in: > [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W > 4.5.0-rc5-next-20160222 #256 > [ 0.000000] Hardware name: Freescale i.MX7 Dual (Device Tree) > [ 0.000000] Backtrace: > [ 0.000000] [<c010b6f4>] (dump_backtrace) from [<c010b890>] > (show_stack+0x18/0x1c) > [ 0.000000] r6:60000053 r5:ffffffff r4:00000000 r3:00000000 > [ 0.000000] [<c010b878>] (show_stack) from [<c03dae8c>] > (dump_stack+0xb0/0xe8) > [ 0.000000] [<c03daddc>] (dump_stack) from [<c012461c>] > (warn_slowpath_common+0x80/0xbc) > [ 0.000000] r8:c0add580 r7:00000009 r6:000000b3 r5:c0c13a40 > r4:00000000 r3:c0d064c0 > [ 0.000000] [<c012459c>] (warn_slowpath_common) from [<c012467c>] > (warn_slowpath_null+0x24/0x2c) > [ 0.000000] r8:007a1200 r7:c155f688 r6:c0d5b2c0 r5:9ffdbd98 r4:a3aaa0c5 > [ 0.000000] [<c0124658>] (warn_slowpath_null) from [<c0c13a40>] > (sched_clock_register+0x44/0x1f8) > [ 0.000000] [<c0c139fc>] (sched_clock_register) from [<c0c2de48>] > (arch_timer_common_init+0x1d4/0x234) > [ 0.000000] r10:c0b5a5b4 r9:00000008 r8:c0ae2f94 r7:c155f688 > r6:c0d5b2c0 r5:9ffdbd98 > [ 0.000000] r4:a3aaa0c5 > [ 0.000000] [<c0c2dc74>] (arch_timer_common_init) from [<c0c2e174>] > (arch_timer_of_init+0x2cc/0x30c) > [ 0.000000] r10:00000001 r9:410fc075 r8:efffcb80 r7:c0c5ca48 > r6:00000001 r5:00000000 > [ 0.000000] r4:00000012 > [ 0.000000] [<c0c2dea8>] (arch_timer_of_init) from [<c0c2db24>] > (clocksource_probe+0x50/0x94) > [ 0.000000] r6:00000001 r5:c0d01f84 r4:ef7dae9c r3:c0c2dea8 > [ 0.000000] [<c0c2dad4>] (clocksource_probe) from [<c0c049f4>] > (time_init+0x30/0x38) > [ 0.000000] r6:c0d76000 r5:ffffffff r4:00000000 > [ 0.000000] [<c0c049c4>] (time_init) from [<c0c00bcc>] > (start_kernel+0x26c/0x400) > [ 0.000000] [<c0c00960>] (start_kernel) from [<8000807c>] (0x8000807c) > [ 0.000000] r10:00000000 r8:8000406a r7:c0d07e4c r6:c0c5ca44 > r5:c0d0296c r4:c0d76294 > [ 0.000000] ---[ end trace cb88537fdc8fa202 ]--- > [ 0.000007] sched_clock: 56 bits at 8MHz, resolution 125ns, wraps > every 2199023255500ns > [ 0.000023] Switching to timer-based delay loop, resolution 125ns > [ 0.000603] Switching to timer-based delay loop, resolution 41ns > [ 0.000614] ------------[ cut here ]------------ > [ 0.000632] WARNING: CPU: 0 PID: 0 at kernel/time/sched_clock.c:179 > sched_clock_register+0x44/0x1f8() > [ 0.000641] Modules linked in: > [ 0.000658] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W > 4.5.0-rc5-next-20160222 #256 > [ 0.000668] Hardware name: Freescale i.MX7 Dual (Device Tree) > [ 0.000676] Backtrace: > [ 0.000700] [<c010b6f4>] (dump_backtrace) from [<c010b890>] > (show_stack+0x18/0x1c) > [ 0.000710] r6:60000053 r5:ffffffff r4:00000000 r3:00000000 > [ 0.000746] [<c010b878>] (show_stack) from [<c03dae8c>] > (dump_stack+0xb0/0xe8) > [ 0.000763] [<c03daddc>] (dump_stack) from [<c012461c>] > (warn_slowpath_common+0x80/0xbc) > [ 0.000773] r8:c0add580 r7:00000009 r6:000000b3 r5:c0c13a40 > r4:00000000 r3:c0d064c0 > [ 0.000813] [<c012459c>] (warn_slowpath_common) from [<c012467c>] > (warn_slowpath_null+0x24/0x2c) > [ 0.000823] r8:016e3600 r7:f0880024 r6:016e3600 r5:c155f6f0 r4:ef002400 > [ 0.000863] [<c0124658>] (warn_slowpath_null) from [<c0c13a40>] > (sched_clock_register+0x44/0x1f8) > [ 0.000881] [<c0c139fc>] (sched_clock_register) from [<c0c2e8a4>] > (_mxc_timer_init+0x148/0x240) > [ 0.000891] r10:00000001 r9:410fc075 r8:c0b5a984 r7:f0880024 > r6:016e3600 r5:c155f6f0 > [ 0.000926] r4:ef002400 > [ 0.000945] [<c0c2e75c>] (_mxc_timer_init) from [<c0c2ea54>] > (mxc_timer_init_dt+0xb8/0xe8) > [ 0.000955] r8:efffcb80 r7:00000003 r6:00000000 r5:ef7e084c r4:ef002400 > [ 0.000996] [<c0c2e99c>] (mxc_timer_init_dt) from [<c0c2ea98>] > (imx6dl_timer_init_dt+0x14/0x18) > [ 0.001006] r7:c0c5ca48 r6:00000002 r5:c0d01f84 r4:ef7e084c > [ 0.001041] [<c0c2ea84>] (imx6dl_timer_init_dt) from [<c0c2db24>] > (clocksource_probe+0x50/0x94) > [ 0.001061] [<c0c2dad4>] (clocksource_probe) from [<c0c049f4>] > (time_init+0x30/0x38) > [ 0.001071] r6:c0d76000 r5:ffffffff r4:00000000 > [ 0.001102] [<c0c049c4>] (time_init) from [<c0c00bcc>] > (start_kernel+0x26c/0x400) > [ 0.001119] [<c0c00960>] (start_kernel) from [<8000807c>] (0x8000807c) > [ 0.001128] r10:00000000 r8:8000406a r7:c0d07e4c r6:c0c5ca44 > r5:c0d0296c r4:c0d76294 > [ 0.001164] ---[ end trace cb88537fdc8fa203 ]--- > [ 0.001183] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps > every 89478484971ns > [ 0.001201] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: > 0xffffffff, max_idle_ns: 79635851949 ns > [ 0.002139] ------------[ cut here ]------------ > [ 0.002161] WARNING: CPU: 0 PID: 0 at init/main.c:593 > start_kernel+0x298/0x400() > [ 0.002170] Interrupts were enabled early > [ 0.002179] Modules linked in: > [ 0.002195] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W > 4.5.0-rc5-next-20160222 #256 > [ 0.002205] Hardware name: Freescale i.MX7 Dual (Device Tree) > [ 0.002214] Backtrace: > [ 0.002237] [<c010b6f4>] (dump_backtrace) from [<c010b890>] > (show_stack+0x18/0x1c) > [ 0.002247] r6:60000053 r5:ffffffff r4:00000000 r3:00000000 > [ 0.002283] [<c010b878>] (show_stack) from [<c03dae8c>] > (dump_stack+0xb0/0xe8) > [ 0.002300] [<c03daddc>] (dump_stack) from [<c012461c>] > (warn_slowpath_common+0x80/0xbc) > [ 0.002310] r8:c0ace4a0 r7:00000009 r6:00000251 r5:c0c00bf8 > r4:c0d01f98 r3:c0d064c0 > [ 0.002351] [<c012459c>] (warn_slowpath_common) from [<c01246fc>] > (warn_slowpath_fmt+0x38/0x40) > [ 0.002361] r8:efffcb80 r7:c0c5ca48 r6:c0d76000 r5:ffffffff r4:00000000 > [ 0.002402] [<c01246c8>] (warn_slowpath_fmt) from [<c0c00bf8>] > (start_kernel+0x298/0x400) > [ 0.002413] r3:60000053 r2:c0ace4e0 > [ 0.002436] [<c0c00960>] (start_kernel) from [<8000807c>] (0x8000807c) > [ 0.002446] r10:00000000 r8:8000406a r7:c0d07e4c r6:c0c5ca44 > r5:c0d0296c r4:c0d76294 > [ 0.002482] ---[ end trace cb88537fdc8fa204 ]--- > [ 0.002594] Console: colour dummy device 80x30 > [ 0.002607] Lock dependency validator: Copyright (c) 2006 Red Hat, > Inc., Ingo Molnar > [ 0.002616] ... MAX_LOCKDEP_SUBCLASSES: 8 > -- > To unsubscribe from this list: send the line "unsubscribe linux-clk" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
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