[Kernel-packages] [Bug 1845178] Re: watchdog bug: soft lockup
Will do, thanks for the response. ** Changed in: linux-raspi2 (Ubuntu Xenial) Status: New => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-raspi2 in Ubuntu. https://bugs.launchpad.net/bugs/1845178 Title: watchdog bug: soft lockup Status in linux-raspi2 package in Ubuntu: Invalid Status in linux-raspi2 source package in Xenial: Invalid Bug description: Hello I have a Ubuntu Core 16 device (RPi CM3) which sometimes (at random) loses ethernet connection. Core snap is 16-2.40 Kernel snap is pi2-kernel 4.4.0-1120.129 Now I’ve managed to capture serial data from it and it seems it crashes completely, however it never restores (or full resets). [18037.433255] INFO: rcu_sched self-detected stall on CPU [18037.441257] INFO: rcu_sched detected stalls on CPUs/tasks: [18037.441264] e[12;17H1-...: (3708966 ticks this GP) idle=78d/141/0 softirq=7574/7589 fqs=1588 [18037.441270] e[13;17H(detected by 3, t=4495427 jiffies, g=2096, c=2095, q=35614) [18037.441272] Task dump for CPU 1: [18037.441278] manager-control R running 0 2310 2308 0x0082 [18037.441285] rcu_sched kthread starved for 4493705 jiffies! g2096 c2095 f0x2 s3 ->state=0x0 [18037.720278] e[17;17H1-...: (3708966 ticks this GP) idle=78d/141/0 softirq=7574/7589 fqs=1588 [18037.782050] e[18;17H (t=4495512 jiffies g=2096 c=2095 q=35615) [18037.813311] rcu_sched kthread starved for 4493798 jiffies! g2096 c2095 f0x2 s3 ->state=0x0 [18037.873341] Task dump for CPU 1: [18037.901730] manager-control R running 0 2310 2308 0x0082 [18037.933017] [<80112554>] (unwind_backtrace) from [<8010d7dc>] (show_stack+0x20/0x24) [18037.990378] [<8010d7dc>] (show_stack) from [<801571bc>] (sched_show_task+0xb8/0x110) [18038.048268] [<801571bc>] (sched_show_task) from [<80159a00>] (dump_cpu_task+0x48/0x4c) [18038.107812] [<80159a00>] (dump_cpu_task) from [<801919b8>] (rcu_dump_cpu_stacks+0x9c/0xd4) [18038.168554] [<801919b8>] (rcu_dump_cpu_stacks) from [<80195fec>] (rcu_check_callbacks+0x5c0/0x8bc) [18038.230663] [<80195fec>] (rcu_check_callbacks) from [<8019c3cc>] (update_process_times+0x4c/0x74) [18038.294469] [<8019c3cc>] (update_process_times) from [<801b04dc>] (tick_sched_handle+0x64/0x70) [18038.358337] [<801b04dc>] (tick_sched_handle) from [<801b0550>] (tick_sched_timer+0x68/0xbc) [18038.423493] [<801b0550>] (tick_sched_timer) from [<8019d1b0>] (__hrtimer_run_queues+0x188/0x364) [18038.490259] [<8019d1b0>] (__hrtimer_run_queues) from [<8019db4c>] (hrtimer_interrupt+0xd8/0x244) [18038.557715] [<8019db4c>] (hrtimer_interrupt) from [<80743e5c>] (arch_timer_handler_phys+0x40/0x48) [18038.626525] [<80743e5c>] (arch_timer_handler_phys) from [<8018bd2c>] (handle_percpu_devid_irq+0x80/0x194) [18038.696876] [<8018bd2c>] (handle_percpu_devid_irq) from [<80186f64>] (generic_handle_irq+0x34/0x44) [18038.768565] [<80186f64>] (generic_handle_irq) from [<80187270>] (__handle_domain_irq+0x6c/0xc4) [18038.840084] [<80187270>] (__handle_domain_irq) from [<801096f4>] (handle_IRQ+0x28/0x2c) [18038.910902] [<801096f4>] (handle_IRQ) from [<801015e4>] (bcm2836_arm_irqchip_handle_irq+0xb8/0xbc) [18038.982964] [<801015e4>] (bcm2836_arm_irqchip_handle_irq) from [<808a3678>] (__irq_svc+0x58/0x78) [18039.055005] Exception stack(0xaea2b9d0 to 0xaea2ba18) [18039.091313] b9c0: b9e3e01c 0025 0024 [18039.161335] b9e0: ae800040 aea2bae4 00011000 aea2bae4 80e0355c 000b aea2ba2c [18039.230628] ba00: aea2ba30 aea2ba20 8027a628 808a2c30 200f0013 [18039.267788] [<808a3678>] (__irq_svc) from [<808a2c30>] (_raw_spin_lock+0x40/0x54) [18039.335854] [<808a2c30>] (_raw_spin_lock) from [<8027a628>] (unmap_single_vma+0x1e8/0x64c) [18039.404789] [<8027a628>] (unmap_single_vma) from [<8027bab4>] (unmap_vmas+0x64/0x78) [18039.473309] [<8027bab4>] (unmap_vmas) from [<80282e38>] (exit_mmap+0x110/0x214) [18039.511274] [<80282e38>] (exit_mmap) from [<80122264>] (mmput+0x6c/0x138) [18039.548375] [<80122264>] (mmput) from [<80128a74>] (do_exit+0x32c/0xb38) [18039.585148] [<80128a74>] (do_exit) from [<8010db5c>] (die+0x37c/0x38c) [18039.621494] [<8010db5c>] (die) from [<8011bee0>] (__do_kernel_fault.part.0+0x74/0x1f4) [18039.688470] [<8011bee0>] (__do_kernel_fault.part.0) from [<808a40d8>] (do_page_fault+0x244/0x3c4) [18039.756059] [<808a40d8>] (do_page_fault) from [<80101284>] (do_DataAbort+0x58/0xe8) [18039.822179] [<80101284>] (do_DataAbort) from [<808a35e4>] (__dabt_svc+0x44/0x80) [18039.887651] Exception stack(0xaea2bd00 to 0xaea2bd48) [18039.921312] bd00: b9f55fc0 0037 0038 b9036000 ad5f32a0 b9f55fc0 00017000 [18039.987397] bd20: ae80005c b8af3eec 80e0354c aea2bd6c aea2bd70 aea2bd50 802855e8 802a4a5c [18040.054541] bd40: 60010113 [18040.086842]
[Kernel-packages] [Bug 1845178] Re: watchdog bug: soft lockup
Hi there, we've since moved to UC18 and another kernel. This issue is therefore obsolete and may be closed from my end. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-raspi2 in Ubuntu. https://bugs.launchpad.net/bugs/1845178 Title: watchdog bug: soft lockup Status in linux-raspi2 package in Ubuntu: Invalid Status in linux-raspi2 source package in Xenial: New Bug description: Hello I have a Ubuntu Core 16 device (RPi CM3) which sometimes (at random) loses ethernet connection. Core snap is 16-2.40 Kernel snap is pi2-kernel 4.4.0-1120.129 Now I’ve managed to capture serial data from it and it seems it crashes completely, however it never restores (or full resets). [18037.433255] INFO: rcu_sched self-detected stall on CPU [18037.441257] INFO: rcu_sched detected stalls on CPUs/tasks: [18037.441264] e[12;17H1-...: (3708966 ticks this GP) idle=78d/141/0 softirq=7574/7589 fqs=1588 [18037.441270] e[13;17H(detected by 3, t=4495427 jiffies, g=2096, c=2095, q=35614) [18037.441272] Task dump for CPU 1: [18037.441278] manager-control R running 0 2310 2308 0x0082 [18037.441285] rcu_sched kthread starved for 4493705 jiffies! g2096 c2095 f0x2 s3 ->state=0x0 [18037.720278] e[17;17H1-...: (3708966 ticks this GP) idle=78d/141/0 softirq=7574/7589 fqs=1588 [18037.782050] e[18;17H (t=4495512 jiffies g=2096 c=2095 q=35615) [18037.813311] rcu_sched kthread starved for 4493798 jiffies! g2096 c2095 f0x2 s3 ->state=0x0 [18037.873341] Task dump for CPU 1: [18037.901730] manager-control R running 0 2310 2308 0x0082 [18037.933017] [<80112554>] (unwind_backtrace) from [<8010d7dc>] (show_stack+0x20/0x24) [18037.990378] [<8010d7dc>] (show_stack) from [<801571bc>] (sched_show_task+0xb8/0x110) [18038.048268] [<801571bc>] (sched_show_task) from [<80159a00>] (dump_cpu_task+0x48/0x4c) [18038.107812] [<80159a00>] (dump_cpu_task) from [<801919b8>] (rcu_dump_cpu_stacks+0x9c/0xd4) [18038.168554] [<801919b8>] (rcu_dump_cpu_stacks) from [<80195fec>] (rcu_check_callbacks+0x5c0/0x8bc) [18038.230663] [<80195fec>] (rcu_check_callbacks) from [<8019c3cc>] (update_process_times+0x4c/0x74) [18038.294469] [<8019c3cc>] (update_process_times) from [<801b04dc>] (tick_sched_handle+0x64/0x70) [18038.358337] [<801b04dc>] (tick_sched_handle) from [<801b0550>] (tick_sched_timer+0x68/0xbc) [18038.423493] [<801b0550>] (tick_sched_timer) from [<8019d1b0>] (__hrtimer_run_queues+0x188/0x364) [18038.490259] [<8019d1b0>] (__hrtimer_run_queues) from [<8019db4c>] (hrtimer_interrupt+0xd8/0x244) [18038.557715] [<8019db4c>] (hrtimer_interrupt) from [<80743e5c>] (arch_timer_handler_phys+0x40/0x48) [18038.626525] [<80743e5c>] (arch_timer_handler_phys) from [<8018bd2c>] (handle_percpu_devid_irq+0x80/0x194) [18038.696876] [<8018bd2c>] (handle_percpu_devid_irq) from [<80186f64>] (generic_handle_irq+0x34/0x44) [18038.768565] [<80186f64>] (generic_handle_irq) from [<80187270>] (__handle_domain_irq+0x6c/0xc4) [18038.840084] [<80187270>] (__handle_domain_irq) from [<801096f4>] (handle_IRQ+0x28/0x2c) [18038.910902] [<801096f4>] (handle_IRQ) from [<801015e4>] (bcm2836_arm_irqchip_handle_irq+0xb8/0xbc) [18038.982964] [<801015e4>] (bcm2836_arm_irqchip_handle_irq) from [<808a3678>] (__irq_svc+0x58/0x78) [18039.055005] Exception stack(0xaea2b9d0 to 0xaea2ba18) [18039.091313] b9c0: b9e3e01c 0025 0024 [18039.161335] b9e0: ae800040 aea2bae4 00011000 aea2bae4 80e0355c 000b aea2ba2c [18039.230628] ba00: aea2ba30 aea2ba20 8027a628 808a2c30 200f0013 [18039.267788] [<808a3678>] (__irq_svc) from [<808a2c30>] (_raw_spin_lock+0x40/0x54) [18039.335854] [<808a2c30>] (_raw_spin_lock) from [<8027a628>] (unmap_single_vma+0x1e8/0x64c) [18039.404789] [<8027a628>] (unmap_single_vma) from [<8027bab4>] (unmap_vmas+0x64/0x78) [18039.473309] [<8027bab4>] (unmap_vmas) from [<80282e38>] (exit_mmap+0x110/0x214) [18039.511274] [<80282e38>] (exit_mmap) from [<80122264>] (mmput+0x6c/0x138) [18039.548375] [<80122264>] (mmput) from [<80128a74>] (do_exit+0x32c/0xb38) [18039.585148] [<80128a74>] (do_exit) from [<8010db5c>] (die+0x37c/0x38c) [18039.621494] [<8010db5c>] (die) from [<8011bee0>] (__do_kernel_fault.part.0+0x74/0x1f4) [18039.688470] [<8011bee0>] (__do_kernel_fault.part.0) from [<808a40d8>] (do_page_fault+0x244/0x3c4) [18039.756059] [<808a40d8>] (do_page_fault) from [<80101284>] (do_DataAbort+0x58/0xe8) [18039.822179] [<80101284>] (do_DataAbort) from [<808a35e4>] (__dabt_svc+0x44/0x80) [18039.887651] Exception stack(0xaea2bd00 to 0xaea2bd48) [18039.921312] bd00: b9f55fc0 0037 0038 b9036000 ad5f32a0 b9f55fc0 00017000 [18039.987397] bd20: ae80005c b8af3eec 80e0354c aea2bd6c aea2bd70 aea2bd50 802855e8 802a4a5c [18040.054541] bd40: 60010113
[Kernel-packages] [Bug 1845178] Re: watchdog bug: soft lockup
Given that the ticket is over a year old, is this still an issue? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-raspi2 in Ubuntu. https://bugs.launchpad.net/bugs/1845178 Title: watchdog bug: soft lockup Status in linux-raspi2 package in Ubuntu: Invalid Status in linux-raspi2 source package in Xenial: New Bug description: Hello I have a Ubuntu Core 16 device (RPi CM3) which sometimes (at random) loses ethernet connection. Core snap is 16-2.40 Kernel snap is pi2-kernel 4.4.0-1120.129 Now I’ve managed to capture serial data from it and it seems it crashes completely, however it never restores (or full resets). [18037.433255] INFO: rcu_sched self-detected stall on CPU [18037.441257] INFO: rcu_sched detected stalls on CPUs/tasks: [18037.441264] e[12;17H1-...: (3708966 ticks this GP) idle=78d/141/0 softirq=7574/7589 fqs=1588 [18037.441270] e[13;17H(detected by 3, t=4495427 jiffies, g=2096, c=2095, q=35614) [18037.441272] Task dump for CPU 1: [18037.441278] manager-control R running 0 2310 2308 0x0082 [18037.441285] rcu_sched kthread starved for 4493705 jiffies! g2096 c2095 f0x2 s3 ->state=0x0 [18037.720278] e[17;17H1-...: (3708966 ticks this GP) idle=78d/141/0 softirq=7574/7589 fqs=1588 [18037.782050] e[18;17H (t=4495512 jiffies g=2096 c=2095 q=35615) [18037.813311] rcu_sched kthread starved for 4493798 jiffies! g2096 c2095 f0x2 s3 ->state=0x0 [18037.873341] Task dump for CPU 1: [18037.901730] manager-control R running 0 2310 2308 0x0082 [18037.933017] [<80112554>] (unwind_backtrace) from [<8010d7dc>] (show_stack+0x20/0x24) [18037.990378] [<8010d7dc>] (show_stack) from [<801571bc>] (sched_show_task+0xb8/0x110) [18038.048268] [<801571bc>] (sched_show_task) from [<80159a00>] (dump_cpu_task+0x48/0x4c) [18038.107812] [<80159a00>] (dump_cpu_task) from [<801919b8>] (rcu_dump_cpu_stacks+0x9c/0xd4) [18038.168554] [<801919b8>] (rcu_dump_cpu_stacks) from [<80195fec>] (rcu_check_callbacks+0x5c0/0x8bc) [18038.230663] [<80195fec>] (rcu_check_callbacks) from [<8019c3cc>] (update_process_times+0x4c/0x74) [18038.294469] [<8019c3cc>] (update_process_times) from [<801b04dc>] (tick_sched_handle+0x64/0x70) [18038.358337] [<801b04dc>] (tick_sched_handle) from [<801b0550>] (tick_sched_timer+0x68/0xbc) [18038.423493] [<801b0550>] (tick_sched_timer) from [<8019d1b0>] (__hrtimer_run_queues+0x188/0x364) [18038.490259] [<8019d1b0>] (__hrtimer_run_queues) from [<8019db4c>] (hrtimer_interrupt+0xd8/0x244) [18038.557715] [<8019db4c>] (hrtimer_interrupt) from [<80743e5c>] (arch_timer_handler_phys+0x40/0x48) [18038.626525] [<80743e5c>] (arch_timer_handler_phys) from [<8018bd2c>] (handle_percpu_devid_irq+0x80/0x194) [18038.696876] [<8018bd2c>] (handle_percpu_devid_irq) from [<80186f64>] (generic_handle_irq+0x34/0x44) [18038.768565] [<80186f64>] (generic_handle_irq) from [<80187270>] (__handle_domain_irq+0x6c/0xc4) [18038.840084] [<80187270>] (__handle_domain_irq) from [<801096f4>] (handle_IRQ+0x28/0x2c) [18038.910902] [<801096f4>] (handle_IRQ) from [<801015e4>] (bcm2836_arm_irqchip_handle_irq+0xb8/0xbc) [18038.982964] [<801015e4>] (bcm2836_arm_irqchip_handle_irq) from [<808a3678>] (__irq_svc+0x58/0x78) [18039.055005] Exception stack(0xaea2b9d0 to 0xaea2ba18) [18039.091313] b9c0: b9e3e01c 0025 0024 [18039.161335] b9e0: ae800040 aea2bae4 00011000 aea2bae4 80e0355c 000b aea2ba2c [18039.230628] ba00: aea2ba30 aea2ba20 8027a628 808a2c30 200f0013 [18039.267788] [<808a3678>] (__irq_svc) from [<808a2c30>] (_raw_spin_lock+0x40/0x54) [18039.335854] [<808a2c30>] (_raw_spin_lock) from [<8027a628>] (unmap_single_vma+0x1e8/0x64c) [18039.404789] [<8027a628>] (unmap_single_vma) from [<8027bab4>] (unmap_vmas+0x64/0x78) [18039.473309] [<8027bab4>] (unmap_vmas) from [<80282e38>] (exit_mmap+0x110/0x214) [18039.511274] [<80282e38>] (exit_mmap) from [<80122264>] (mmput+0x6c/0x138) [18039.548375] [<80122264>] (mmput) from [<80128a74>] (do_exit+0x32c/0xb38) [18039.585148] [<80128a74>] (do_exit) from [<8010db5c>] (die+0x37c/0x38c) [18039.621494] [<8010db5c>] (die) from [<8011bee0>] (__do_kernel_fault.part.0+0x74/0x1f4) [18039.688470] [<8011bee0>] (__do_kernel_fault.part.0) from [<808a40d8>] (do_page_fault+0x244/0x3c4) [18039.756059] [<808a40d8>] (do_page_fault) from [<80101284>] (do_DataAbort+0x58/0xe8) [18039.822179] [<80101284>] (do_DataAbort) from [<808a35e4>] (__dabt_svc+0x44/0x80) [18039.887651] Exception stack(0xaea2bd00 to 0xaea2bd48) [18039.921312] bd00: b9f55fc0 0037 0038 b9036000 ad5f32a0 b9f55fc0 00017000 [18039.987397] bd20: ae80005c b8af3eec 80e0354c aea2bd6c aea2bd70 aea2bd50 802855e8 802a4a5c [18040.054541] bd40: 60010113 [18040.086842] [<808a35e4>] (__dabt_svc) from [<802a4a5c>]
[Kernel-packages] [Bug 1845178] Re: watchdog bug: soft lockup
** Also affects: linux-raspi2 (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: linux-raspi2 (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-raspi2 in Ubuntu. https://bugs.launchpad.net/bugs/1845178 Title: watchdog bug: soft lockup Status in linux-raspi2 package in Ubuntu: Invalid Status in linux-raspi2 source package in Xenial: New Bug description: Hello I have a Ubuntu Core 16 device (RPi CM3) which sometimes (at random) loses ethernet connection. Core snap is 16-2.40 Kernel snap is pi2-kernel 4.4.0-1120.129 Now I’ve managed to capture serial data from it and it seems it crashes completely, however it never restores (or full resets). [18037.433255] INFO: rcu_sched self-detected stall on CPU [18037.441257] INFO: rcu_sched detected stalls on CPUs/tasks: [18037.441264] e[12;17H1-...: (3708966 ticks this GP) idle=78d/141/0 softirq=7574/7589 fqs=1588 [18037.441270] e[13;17H(detected by 3, t=4495427 jiffies, g=2096, c=2095, q=35614) [18037.441272] Task dump for CPU 1: [18037.441278] manager-control R running 0 2310 2308 0x0082 [18037.441285] rcu_sched kthread starved for 4493705 jiffies! g2096 c2095 f0x2 s3 ->state=0x0 [18037.720278] e[17;17H1-...: (3708966 ticks this GP) idle=78d/141/0 softirq=7574/7589 fqs=1588 [18037.782050] e[18;17H (t=4495512 jiffies g=2096 c=2095 q=35615) [18037.813311] rcu_sched kthread starved for 4493798 jiffies! g2096 c2095 f0x2 s3 ->state=0x0 [18037.873341] Task dump for CPU 1: [18037.901730] manager-control R running 0 2310 2308 0x0082 [18037.933017] [<80112554>] (unwind_backtrace) from [<8010d7dc>] (show_stack+0x20/0x24) [18037.990378] [<8010d7dc>] (show_stack) from [<801571bc>] (sched_show_task+0xb8/0x110) [18038.048268] [<801571bc>] (sched_show_task) from [<80159a00>] (dump_cpu_task+0x48/0x4c) [18038.107812] [<80159a00>] (dump_cpu_task) from [<801919b8>] (rcu_dump_cpu_stacks+0x9c/0xd4) [18038.168554] [<801919b8>] (rcu_dump_cpu_stacks) from [<80195fec>] (rcu_check_callbacks+0x5c0/0x8bc) [18038.230663] [<80195fec>] (rcu_check_callbacks) from [<8019c3cc>] (update_process_times+0x4c/0x74) [18038.294469] [<8019c3cc>] (update_process_times) from [<801b04dc>] (tick_sched_handle+0x64/0x70) [18038.358337] [<801b04dc>] (tick_sched_handle) from [<801b0550>] (tick_sched_timer+0x68/0xbc) [18038.423493] [<801b0550>] (tick_sched_timer) from [<8019d1b0>] (__hrtimer_run_queues+0x188/0x364) [18038.490259] [<8019d1b0>] (__hrtimer_run_queues) from [<8019db4c>] (hrtimer_interrupt+0xd8/0x244) [18038.557715] [<8019db4c>] (hrtimer_interrupt) from [<80743e5c>] (arch_timer_handler_phys+0x40/0x48) [18038.626525] [<80743e5c>] (arch_timer_handler_phys) from [<8018bd2c>] (handle_percpu_devid_irq+0x80/0x194) [18038.696876] [<8018bd2c>] (handle_percpu_devid_irq) from [<80186f64>] (generic_handle_irq+0x34/0x44) [18038.768565] [<80186f64>] (generic_handle_irq) from [<80187270>] (__handle_domain_irq+0x6c/0xc4) [18038.840084] [<80187270>] (__handle_domain_irq) from [<801096f4>] (handle_IRQ+0x28/0x2c) [18038.910902] [<801096f4>] (handle_IRQ) from [<801015e4>] (bcm2836_arm_irqchip_handle_irq+0xb8/0xbc) [18038.982964] [<801015e4>] (bcm2836_arm_irqchip_handle_irq) from [<808a3678>] (__irq_svc+0x58/0x78) [18039.055005] Exception stack(0xaea2b9d0 to 0xaea2ba18) [18039.091313] b9c0: b9e3e01c 0025 0024 [18039.161335] b9e0: ae800040 aea2bae4 00011000 aea2bae4 80e0355c 000b aea2ba2c [18039.230628] ba00: aea2ba30 aea2ba20 8027a628 808a2c30 200f0013 [18039.267788] [<808a3678>] (__irq_svc) from [<808a2c30>] (_raw_spin_lock+0x40/0x54) [18039.335854] [<808a2c30>] (_raw_spin_lock) from [<8027a628>] (unmap_single_vma+0x1e8/0x64c) [18039.404789] [<8027a628>] (unmap_single_vma) from [<8027bab4>] (unmap_vmas+0x64/0x78) [18039.473309] [<8027bab4>] (unmap_vmas) from [<80282e38>] (exit_mmap+0x110/0x214) [18039.511274] [<80282e38>] (exit_mmap) from [<80122264>] (mmput+0x6c/0x138) [18039.548375] [<80122264>] (mmput) from [<80128a74>] (do_exit+0x32c/0xb38) [18039.585148] [<80128a74>] (do_exit) from [<8010db5c>] (die+0x37c/0x38c) [18039.621494] [<8010db5c>] (die) from [<8011bee0>] (__do_kernel_fault.part.0+0x74/0x1f4) [18039.688470] [<8011bee0>] (__do_kernel_fault.part.0) from [<808a40d8>] (do_page_fault+0x244/0x3c4) [18039.756059] [<808a40d8>] (do_page_fault) from [<80101284>] (do_DataAbort+0x58/0xe8) [18039.822179] [<80101284>] (do_DataAbort) from [<808a35e4>] (__dabt_svc+0x44/0x80) [18039.887651] Exception stack(0xaea2bd00 to 0xaea2bd48) [18039.921312] bd00: b9f55fc0 0037 0038 b9036000 ad5f32a0 b9f55fc0 00017000 [18039.987397] bd20: ae80005c b8af3eec 80e0354c aea2bd6c aea2bd70 aea2bd50 802855e8 802a4a5c