硬件v3s spinandflsh W25N01GV
按照这个编译的【全志V3s】SPI NAND Flash 驱动开发
系统运行七八个小时之后会报rcu stall错误。
[22128.156396] ubifs_bgt0_0 R running task 0 107 2 0x00000002
[22128.163448] [<c010ebf0>] (unwind_backtrace) from [<c010b480>] (show_stack+0x10/0x14)
[22128.171185] [<c010b480>] (show_stack) from [<c017af68>] (rcu_sched_clock_irq+0x7a0/0x7cc)
[22128.179357] [<c017af68>] (rcu_sched_clock_irq) from [<c0180af4>] (update_process_times+0x34/0x6c)
[22128.188220] [<c0180af4>] (update_process_times) from [<c01928e0>] (tick_sched_timer+0x4c/0xa8)
[22128.196824] [<c01928e0>] (tick_sched_timer) from [<c0181d70>] (__hrtimer_run_queues+0x130/0x1e4)
[22128.205601] [<c0181d70>] (__hrtimer_run_queues) from [<c018215c>] (hrtimer_interrupt+0x118/0x2bc)
[22128.214467] [<c018215c>] (hrtimer_interrupt) from [<c060ada8>] (arch_timer_handler_phys+0x28/0x30)
[22128.223421] [<c060ada8>] (arch_timer_handler_phys) from [<c016f41c>] (handle_percpu_devid_irq+0x78/0x138)
[22128.232979] [<c016f41c>] (handle_percpu_devid_irq) from [<c016987c>] (generic_handle_irq+0x24/0x34)
[22128.242014] [<c016987c>] (generic_handle_irq) from [<c0169e6c>] (__handle_domain_irq+0x5c/0xb0)
[22128.250704] [<c0169e6c>] (__handle_domain_irq) from [<c04161d0>] (gic_handle_irq+0x4c/0x90)
[22128.259048] [<c04161d0>] (gic_handle_irq) from [<c0101a8c>] (__irq_svc+0x6c/0x90)
[22128.266518] Exception stack(0xc285be20 to 0xc285be68)
[22128.271566] be20: c33e26c4 000005f6 000005f5 000005f6 c33e2000 00000001 00000028 00000001
[22128.279735] be40: c4ce6000 c285a000 000006c4 c0a4bd6c c397b980 c285be70 c0353b98 c08407c4
[22128.287898] be60: 20050113 ffffffff
[22128.291388] [<c0101a8c>] (__irq_svc) from [<c08407c4>] (_raw_spin_lock+0x2c/0x40)
[22128.298864] [<c08407c4>] (_raw_spin_lock) from [<c0353b98>] (ubifs_orphan_end_commit+0x118/0x928)
[22128.307726] [<c0353b98>] (ubifs_orphan_end_commit) from [<c0351aa4>] (do_commit+0x274/0x4d4)
[22128.316154] [<c0351aa4>] (do_commit) from [<c0351e98>] (ubifs_bg_thread+0x194/0x1e4)
[22128.323891] [<c0351e98>] (ubifs_bg_thread) from [<c013b564>] (kthread+0x11c/0x14c)
[22128.331453] [<c013b564>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[22128.338662] Exception stack(0xc285bfb0 to 0xc285bff8)
[22128.343708] bfa0: 00000000 00000000 00000000 00000000
[22128.351875] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[22128.360041] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[22128.366649] rcu: rcu_sched kthread starved for 947852 jiffies! g755437 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[22128.376978] rcu: RCU grace-period kthread stack dump:
[22128.382019] rcu_sched R running task 0 10 2 0x00000000
[22128.389070] [<c083c494>] (__schedule) from [<c083c710>] (schedule+0x44/0xbc)
[22128.396113] [<c083c710>] (schedule) from [<c083fbb8>] (schedule_timeout+0x170/0x28c)
[22128.403850] [<c083fbb8>] (schedule_timeout) from [<c0179e98>] (rcu_gp_kthread+0x4b4/0xa28)
[22128.412108] [<c0179e98>] (rcu_gp_kthread) from [<c013b564>] (kthread+0x11c/0x14c)
[22128.419584] [<c013b564>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[22128.426795] Exception stack(0xc3853fb0 to 0xc3853ff8)
[22128.431840] 3fa0: 00000000 00000000 00000000 00000000
[22128.440007] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[22128.448173] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[22191.182850] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[22191.188765] (detected by 0, t=954157 jiffies, g=755437, q=2)
[22191.194503] rcu: All QSes seen, last rcu_sched kthread activity 954157 (2189118-1234961), jiffies_till_next_fqs=1, root ->qsmask 0x0
[22191.206392] ubifs_bgt0_0 R running task 0 107 2 0x00000002
[22191.213444] [<c010ebf0>] (unwind_backtrace) from [<c010b480>] (show_stack+0x10/0x14)
[22191.221182] [<c010b480>] (show_stack) from [<c017af68>] (rcu_sched_clock_irq+0x7a0/0x7cc)
[22191.229355] [<c017af68>] (rcu_sched_clock_irq) from [<c0180af4>] (update_process_times+0x34/0x6c)
[22191.238219] [<c0180af4>] (update_process_times) from [<c01928e0>] (tick_sched_timer+0x4c/0xa8)
[22191.246821] [<c01928e0>] (tick_sched_timer) from [<c0181d70>] (__hrtimer_run_queues+0x130/0x1e4)
[22191.255599] [<c0181d70>] (__hrtimer_run_queues) from [<c018215c>] (hrtimer_interrupt+0x118/0x2bc)
[22191.264464] [<c018215c>] (hrtimer_interrupt) from [<c060ada8>] (arch_timer_handler_phys+0x28/0x30)
[22191.273416] [<c060ada8>] (arch_timer_handler_phys) from [<c016f41c>] (handle_percpu_devid_irq+0x78/0x138)
[22191.282966] [<c016f41c>] (handle_percpu_devid_irq) from [<c016987c>] (generic_handle_irq+0x24/0x34)
[22191.292001] [<c016987c>] (generic_handle_irq) from [<c0169e6c>] (__handle_domain_irq+0x5c/0xb0)
[22191.300691] [<c0169e6c>] (__handle_domain_irq) from [<c04161d0>] (gic_handle_irq+0x4c/0x90)
[22191.309035] [<c04161d0>] (gic_handle_irq) from [<c0101a8c>] (__irq_svc+0x6c/0x90)
[22191.316505] Exception stack(0xc285be20 to 0xc285be68)
[22191.321554] be20: c33e26c4 000005f6 000005f5 000005f6 c33e2000 00000001 00000028 00000001
[22191.329722] be40: c4ce6000 c285a000 000006c4 c0a4bd6c c397b980 c285be70 c0353b98 c08407c4
[22191.337885] be60: 20050113 ffffffff
[22191.341374] [<c0101a8c>] (__irq_svc) from [<c08407c4>] (_raw_spin_lock+0x2c/0x40)
[22191.348850] [<c08407c4>] (_raw_spin_lock) from [<c0353b98>] (ubifs_orphan_end_commit+0x118/0x928)
[22191.357713] [<c0353b98>] (ubifs_orphan_end_commit) from [<c0351aa4>] (do_commit+0x274/0x4d4)
[22191.366141] [<c0351aa4>] (do_commit) from [<c0351e98>] (ubifs_bg_thread+0x194/0x1e4)
[22191.373878] [<c0351e98>] (ubifs_bg_thread) from [<c013b564>] (kthread+0x11c/0x14c)
[22191.381440] [<c013b564>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[22191.388649] Exception stack(0xc285bfb0 to 0xc285bff8)
[22191.393695] bfa0: 00000000 00000000 00000000 00000000
[22191.401862] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[22191.410028] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[22191.416635] rcu: rcu_sched kthread starved for 954157 jiffies! g755437 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[22191.426963] rcu: RCU grace-period kthread stack dump:
[22191.432004] rcu_sched R running task 0 10 2 0x00000000
[22191.439054] [<c083c494>] (__schedule) from [<c083c710>] (schedule+0x44/0xbc)
[22191.446097] [<c083c710>] (schedule) from [<c083fbb8>] (schedule_timeout+0x170/0x28c)
[22191.453834] [<c083fbb8>] (schedule_timeout) from [<c0179e98>] (rcu_gp_kthread+0x4b4/0xa28)
[22191.462092] [<c0179e98>] (rcu_gp_kthread) from [<c013b564>] (kthread+0x11c/0x14c)
[22191.469568] [<c013b564>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[22191.476778] Exception stack(0xc3853fb0 to 0xc3853ff8)
[22191.481823] 3fa0: 00000000 00000000 00000000 00000000
[22191.489990] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[22191.498156] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[22254.232850] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[22254.238764] (detected by 0, t=960462 jiffies, g=755437, q=2)
[22254.244502] rcu: All QSes seen, last rcu_sched kthread activity 960462 (2195423-1234961), jiffies_till_next_fqs=1, root ->qsmask 0x0
[22254.256391] ubifs_bgt0_0 R running task 0 107 2 0x00000002
[22254.263443] [<c010ebf0>] (unwind_backtrace) from [<c010b480>] (show_stack+0x10/0x14)
[22254.271181] [<c010b480>] (show_stack) from [<c017af68>] (rcu_sched_clock_irq+0x7a0/0x7cc)
[22254.279353] [<c017af68>] (rcu_sched_clock_irq) from [<c0180af4>] (update_process_times+0x34/0x6c)
[22254.288216] [<c0180af4>] (update_process_times) from [<c01928e0>] (tick_sched_timer+0x4c/0xa8)
[22254.296818] [<c01928e0>] (tick_sched_timer) from [<c0181d70>] (__hrtimer_run_queues+0x130/0x1e4)
[22254.305596] [<c0181d70>] (__hrtimer_run_queues) from [<c018215c>] (hrtimer_interrupt+0x118/0x2bc)
[22254.314461] [<c018215c>] (hrtimer_interrupt) from [<c060ada8>] (arch_timer_handler_phys+0x28/0x30)
[22254.323413] [<c060ada8>] (arch_timer_handler_phys) from [<c016f41c>] (handle_percpu_devid_irq+0x78/0x138)
[22254.332971] [<c016f41c>] (handle_percpu_devid_irq) from [<c016987c>] (generic_handle_irq+0x24/0x34)
[22254.342006] [<c016987c>] (generic_handle_irq) from [<c0169e6c>] (__handle_domain_irq+0x5c/0xb0)
[22254.350697] [<c0169e6c>] (__handle_domain_irq) from [<c04161d0>] (gic_handle_irq+0x4c/0x90)
[22254.359041] [<c04161d0>] (gic_handle_irq) from [<c0101a8c>] (__irq_svc+0x6c/0x90)
[22254.366511] Exception stack(0xc285be20 to 0xc285be68)
[22254.371559] be20: c33e26c4 000005f6 000005f5 000005f6 c33e2000 00000001 00000028 00000001
[22254.379728] be40: c4ce6000 c285a000 000006c4 c0a4bd6c c397b980 c285be70 c0353b98 c08407c4
[22254.387891] be60: 20050113 ffffffff
[22254.391380] [<c0101a8c>] (__irq_svc) from [<c08407c4>] (_raw_spin_lock+0x2c/0x40)
[22254.398856] [<c08407c4>] (_raw_spin_lock) from [<c0353b98>] (ubifs_orphan_end_commit+0x118/0x928)
[22254.407718] [<c0353b98>] (ubifs_orphan_end_commit) from [<c0351aa4>] (do_commit+0x274/0x4d4)
[22254.416145] [<c0351aa4>] (do_commit) from [<c0351e98>] (ubifs_bg_thread+0x194/0x1e4)
[22254.423882] [<c0351e98>] (ubifs_bg_thread) from [<c013b564>] (kthread+0x11c/0x14c)
[22254.431445] [<c013b564>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[22254.438654] Exception stack(0xc285bfb0 to 0xc285bff8)
[22254.443699] bfa0: 00000000 00000000 00000000 00000000
[22254.451867] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[22254.460033] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[22254.466641] rcu: rcu_sched kthread starved for 960462 jiffies! g755437 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[22254.476968] rcu: RCU grace-period kthread stack dump:
[22254.482010] rcu_sched R running task 0 10 2 0x00000000
[22254.489060] [<c083c494>] (__schedule) from [<c083c710>] (schedule+0x44/0xbc)
[22254.496104] [<c083c710>] (schedule) from [<c083fbb8>] (schedule_timeout+0x170/0x28c)
[22254.503841] [<c083fbb8>] (schedule_timeout) from [<c0179e98>] (rcu_gp_kthread+0x4b4/0xa28)
[22254.512100] [<c0179e98>] (rcu_gp_kthread) from [<c013b564>] (kthread+0x11c/0x14c)
[22254.519576] [<c013b564>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[22254.526785] Exception stack(0xc3853fb0 to 0xc3853ff8)
[22254.531830] 3fa0: 00000000 00000000 00000000 00000000
[22254.539997] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[22254.548163] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[22317.282850] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[22317.288767] (detected by 0, t=966767 jiffies, g=755437, q=2)
[22317.294507] rcu: All QSes seen, last rcu_sched kthread activity 966767 (2201728-1234961), jiffies_till_next_fqs=1, root ->qsmask 0x0
[22317.306396] ubifs_bgt0_0 R running task 0 107 2 0x00000002
[22317.313447] [<c010ebf0>] (unwind_backtrace) from [<c010b480>] (show_stack+0x10/0x14)
[22317.321186] [<c010b480>] (show_stack) from [<c017af68>] (rcu_sched_clock_irq+0x7a0/0x7cc)
[22317.329357] [<c017af68>] (rcu_sched_clock_irq) from [<c0180af4>] (update_process_times+0x34/0x6c)
[22317.338220] [<c0180af4>] (update_process_times) from [<c01928e0>] (tick_sched_timer+0x4c/0xa8)
[22317.346823] [<c01928e0>] (tick_sched_timer) from [<c0181d70>] (__hrtimer_run_queues+0x130/0x1e4)
[22317.355600] [<c0181d70>] (__hrtimer_run_queues) from [<c018215c>] (hrtimer_interrupt+0x118/0x2bc)
[22317.364465] [<c018215c>] (hrtimer_interrupt) from [<c060ada8>] (arch_timer_handler_phys+0x28/0x30)
[22317.373419] [<c060ada8>] (arch_timer_handler_phys) from [<c016f41c>] (handle_percpu_devid_irq+0x78/0x138)
[22317.382976] [<c016f41c>] (handle_percpu_devid_irq) from [<c016987c>] (generic_handle_irq+0x24/0x34)
[22317.392012] [<c016987c>] (generic_handle_irq) from [<c0169e6c>] (__handle_domain_irq+0x5c/0xb0)
[22317.400702] [<c0169e6c>] (__handle_domain_irq) from [<c04161d0>] (gic_handle_irq+0x4c/0x90)
[22317.409045] [<c04161d0>] (gic_handle_irq) from [<c0101a8c>] (__irq_svc+0x6c/0x90)
[22317.416515] Exception stack(0xc285be20 to 0xc285be68)
[22317.421563] be20: c33e26c4 000005f6 000005f5 000005f6 c33e2000 00000001 00000028 00000001
[22317.429731] be40: c4ce6000 c285a000 000006c4 c0a4bd6c c397b980 c285be70 c0353b98 c08407c4
[22317.437894] be60: 20050113 ffffffff
[22317.441384] [<c0101a8c>] (__irq_svc) from [<c08407c4>] (_raw_spin_lock+0x2c/0x40)
[22317.448860] [<c08407c4>] (_raw_spin_lock) from [<c0353b98>] (ubifs_orphan_end_commit+0x118/0x928)
[22317.457723] [<c0353b98>] (ubifs_orphan_end_commit) from [<c0351aa4>] (do_commit+0x274/0x4d4)
[22317.466151] [<c0351aa4>] (do_commit) from [<c0351e98>] (ubifs_bg_thread+0x194/0x1e4)
[22317.473888] [<c0351e98>] (ubifs_bg_thread) from [<c013b564>] (kthread+0x11c/0x14c)
[22317.481450] [<c013b564>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[22317.488660] Exception stack(0xc285bfb0 to 0xc285bff8)
[22317.493705] bfa0: 00000000 00000000 00000000 00000000
[22317.501872] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[22317.510038] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[22317.516645] rcu: rcu_sched kthread starved for 966767 jiffies! g755437 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[22317.526973] rcu: RCU grace-period kthread stack dump:
[22317.532015] rcu_sched R running task 0 10 2 0x00000000
[22317.539065] [<c083c494>] (__schedule) from [<c083c710>] (schedule+0x44/0xbc)
[22317.546108] [<c083c710>] (schedule) from [<c083fbb8>] (schedule_timeout+0x170/0x28c)
[22317.553845] [<c083fbb8>] (schedule_timeout) from [<c0179e98>] (rcu_gp_kthread+0x4b4/0xa28)
[22317.562103] [<c0179e98>] (rcu_gp_kthread) from [<c013b564>] (kthread+0x11c/0x14c)
[22317.569578] [<c013b564>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[22317.576789] Exception stack(0xc3853fb0 to 0xc3853ff8)
[22317.581834] 3fa0: 00000000 00000000 00000000 00000000
[22317.590001] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[22317.598167] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[22380.332850] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[22380.338765] (detected by 0, t=973072 jiffies, g=755437, q=2)
[22380.344504] rcu: All QSes seen, last rcu_sched kthread activity 973072 (2208033-1234961), jiffies_till_next_fqs=1, root ->qsmask 0x0
[22380.356393] ubifs_bgt0_0 R running task 0 107 2 0x00000002
[22380.363444] [<c010ebf0>] (unwind_backtrace) from [<c010b480>] (show_stack+0x10/0x14)
[22380.371181] [<c010b480>] (show_stack) from [<c017af68>] (rcu_sched_clock_irq+0x7a0/0x7cc)
[22380.379354] [<c017af68>] (rcu_sched_clock_irq) from [<c0180af4>] (update_process_times+0x34/0x6c)
[22380.388216] [<c0180af4>] (update_process_times) from [<c01928e0>] (tick_sched_timer+0x4c/0xa8)
[22380.396820] [<c01928e0>] (tick_sched_timer) from [<c0181d70>] (__hrtimer_run_queues+0x130/0x1e4)
[22380.405597] [<c0181d70>] (__hrtimer_run_queues) from [<c018215c>] (hrtimer_interrupt+0x118/0x2bc)
[22380.414462] [<c018215c>] (hrtimer_interrupt) from [<c060ada8>] (arch_timer_handler_phys+0x28/0x30)
[22380.423416] [<c060ada8>] (arch_timer_handler_phys) from [<c016f41c>] (handle_percpu_devid_irq+0x78/0x138)
[22380.432972] [<c016f41c>] (handle_percpu_devid_irq) from [<c016987c>] (generic_handle_irq+0x24/0x34)
[22380.442008] [<c016987c>] (generic_handle_irq) from [<c0169e6c>] (__handle_domain_irq+0x5c/0xb0)
[22380.450698] [<c0169e6c>] (__handle_domain_irq) from [<c04161d0>] (gic_handle_irq+0x4c/0x90)
[22380.459041] [<c04161d0>] (gic_handle_irq) from [<c0101a8c>] (__irq_svc+0x6c/0x90)
[22380.466511] Exception stack(0xc285be20 to 0xc285be68)
[22380.471560] be20: c33e26c4 000005f6 000005f5 000005f6 c33e2000 00000001 00000028 00000001
[22380.479728] be40: c4ce6000 c285a000 000006c4 c0a4bd6c c397b980 c285be70 c0353b98 c08407c4
[22380.487891] be60: 20050113 ffffffff
[22380.491381] [<c0101a8c>] (__irq_svc) from [<c08407c4>] (_raw_spin_lock+0x2c/0x40)
[22380.498857] [<c08407c4>] (_raw_spin_lock) from [<c0353b98>] (ubifs_orphan_end_commit+0x118/0x928)
[22380.507720] [<c0353b98>] (ubifs_orphan_end_commit) from [<c0351aa4>] (do_commit+0x274/0x4d4)
[22380.516149] [<c0351aa4>] (do_commit) from [<c0351e98>] (ubifs_bg_thread+0x194/0x1e4)
[22380.523886] [<c0351e98>] (ubifs_bg_thread) from [<c013b564>] (kthread+0x11c/0x14c)
[22380.531448] [<c013b564>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[22380.538657] Exception stack(0xc285bfb0 to 0xc285bff8)
[22380.543702] bfa0: 00000000 00000000 00000000 00000000
[22380.551870] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[22380.560035] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[22380.566643] rcu: rcu_sched kthread starved for 973072 jiffies! g755437 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[22380.576970] rcu: RCU grace-period kthread stack dump:
[22380.582012] rcu_sched R running task 0 10 2 0x00000000
[22380.589062] [<c083c494>] (__schedule) from [<c083c710>] (schedule+0x44/0xbc)
[22380.596105] [<c083c710>] (schedule) from [<c083fbb8>] (schedule_timeout+0x170/0x28c)
[22380.603842] [<c083fbb8>] (schedule_timeout) from [<c0179e98>] (rcu_gp_kthread+0x4b4/0xa28)
[22380.612099] [<c0179e98>] (rcu_gp_kthread) from [<c013b564>] (kthread+0x11c/0x14c)
[22380.619575] [<c013b564>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[22380.626785] Exception stack(0xc3853fb0 to 0xc3853ff8)
[22380.631830] 3fa0: 00000000 00000000 00000000 00000000
[22380.639997] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[22380.648163] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[22443.382851] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[22443.388768] (detected by 0, t=979377 jiffies, g=755437, q=2)
[22443.394507] rcu: All QSes seen, last rcu_sched kthread activity 979377 (2214338-1234961), jiffies_till_next_fqs=1, root ->qsmask 0x0
[22443.406397] ubifs_bgt0_0 R running task 0 107 2 0x00000002
[22443.413449] [<c010ebf0>] (unwind_backtrace) from [<c010b480>] (show_stack+0x10/0x14)
[22443.421187] [<c010b480>] (show_stack) from [<c017af68>] (rcu_sched_clock_irq+0x7a0/0x7cc)
[22443.429359] [<c017af68>] (rcu_sched_clock_irq) from [<c0180af4>] (update_process_times+0x34/0x6c)
[22443.438222] [<c0180af4>] (update_process_times) from [<c01928e0>] (tick_sched_timer+0x4c/0xa8)
[22443.446825] [<c01928e0>] (tick_sched_timer) from [<c0181d70>] (__hrtimer_run_queues+0x130/0x1e4)
[22443.455603] [<c0181d70>] (__hrtimer_run_queues) from [<c018215c>] (hrtimer_interrupt+0x118/0x2bc)
[22443.464468] [<c018215c>] (hrtimer_interrupt) from [<c060ada8>] (arch_timer_handler_phys+0x28/0x30)
[22443.473422] [<c060ada8>] (arch_timer_handler_phys) from [<c016f41c>] (handle_percpu_devid_irq+0x78/0x138)
[22443.482980] [<c016f41c>] (handle_percpu_devid_irq) from [<c016987c>] (generic_handle_irq+0x24/0x34)
[22443.492015] [<c016987c>] (generic_handle_irq) from [<c0169e6c>] (__handle_domain_irq+0x5c/0xb0)
[22443.500706] [<c0169e6c>] (__handle_domain_irq) from [<c04161d0>] (gic_handle_irq+0x4c/0x90)
[22443.509049] [<c04161d0>] (gic_handle_irq) from [<c0101a8c>] (__irq_svc+0x6c/0x90)
[22443.516519] Exception stack(0xc285be20 to 0xc285be68)
[22443.521568] be20: c33e26c4 000005f6 000005f5 000005f6 c33e2000 00000001 00000028 00000001
[22443.529736] be40: c4ce6000 c285a000 000006c4 c0a4bd6c c397b980 c285be70 c0353b98 c08407c4
[22443.537900] be60: 20050113 ffffffff
[22443.541388] [<c0101a8c>] (__irq_svc) from [<c08407c4>] (_raw_spin_lock+0x2c/0x40)
[22443.548866] [<c08407c4>] (_raw_spin_lock) from [<c0353b98>] (ubifs_orphan_end_commit+0x118/0x928)
[22443.557728] [<c0353b98>] (ubifs_orphan_end_commit) from [<c0351aa4>] (do_commit+0x274/0x4d4)
[22443.566156] [<c0351aa4>] (do_commit) from [<c0351e98>] (ubifs_bg_thread+0x194/0x1e4)
[22443.573894] [<c0351e98>] (ubifs_bg_thread) from [<c013b564>] (kthread+0x11c/0x14c)
[22443.581456] [<c013b564>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[22443.588665] Exception stack(0xc285bfb0 to 0xc285bff8)
[22443.593710] bfa0: 00000000 00000000 00000000 00000000
[22443.601878] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[22443.610044] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[22443.616652] rcu: rcu_sched kthread starved for 979377 jiffies! g755437 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[22443.626981] rcu: RCU grace-period kthread stack dump:
[22443.632022] rcu_sched R running task 0 10 2 0x00000000
[22443.639072] [<c083c494>] (__schedule) from [<c083c710>] (schedule+0x44/0xbc)
[22443.646115] [<c083c710>] (schedule) from [<c083fbb8>] (schedule_timeout+0x170/0x28c)
[22443.653852] [<c083fbb8>] (schedule_timeout) from [<c0179e98>] (rcu_gp_kthread+0x4b4/0xa28)
[22443.662109] [<c0179e98>] (rcu_gp_kthread) from [<c013b564>] (kthread+0x11c/0x14c)
[22443.669585] [<c013b564>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[22443.676795] Exception stack(0xc3853fb0 to 0xc3853ff8)
[22443.681840] 3fa0: 00000000 00000000 00000000 00000000
[22443.690007] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[22443.698173] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000离线
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