Dear all:
I am currently using the distribution version:
V5、rt 6.1.82-rt patch、stm32mp257
Prompt in Wiki，need disable CONFIG_CPU_IDLE，But in reality, it cannot be closed.
Why am I paying attention here? Because I encountered an Oops exception during running.
login: [ 370.478552] BUG: scheduling while atomic: swapper/1/0/0x00000002
[ 370.478575] Modules linked in: cfg80211 rfkill stm32_adc stm32_timer_trigger stm32_lptimer_trigger mcp251xfd crct10dif_ce nvme nvme_core stusb160x typec stm32_adc_core stm32_crc32 spi_stm32 m_can_platform m_can can_dev cdc_acm optee_rng rng_core sch_fq_codel 8021q garp mrp bridge stp llc sch_prio ch343(O) acm(O) edgx_pfm_lkm(O) stm32_deip(O) ip_tables x_tables ipv6
[ 370.478682] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G O 6.1.82-rt27 #1
[ 370.478691] Hardware name: MYiR STM32MP257x Evaluation Board 2 (DT)
[ 370.478696] Call trace:
[ 370.478700] dump_backtrace+0xdc/0x130
[ 370.478720] show_stack+0x18/0x30
[ 370.478731] dump_stack_lvl+0x64/0x80
[ 370.478742] dump_stack+0x18/0x34
[ 370.478750] __schedule_bug+0x54/0x70
[ 370.478760] __schedule+0x5e4/0x6b0
[ 370.478771] schedule_rtlock+0x28/0x60
[ 370.478782] rtlock_slowlock_locked+0x384/0xc1c
[ 370.478792] rt_spin_lock+0x88/0xb0
[ 370.478800] genpd_lock_nested_spin+0x1c/0x30
[ 370.478814] genpd_power_on+0x64/0x170
[ 370.478822] genpd_runtime_resume+0xcc/0x2d0
[ 370.478831] __rpm_callback+0x48/0x1ac
[ 370.478840] rpm_callback+0x6c/0x80
[ 370.478848] rpm_resume+0x460/0x6d0
[ 370.478856] __pm_runtime_resume+0x48/0x8c
[ 370.478865] __psci_enter_domain_idle_state.constprop.0+0xd4/0xe0
[ 370.478878] psci_enter_domain_idle_state+0x18/0x2c
[ 370.478888] cpuidle_enter_state+0x270/0x2fc
[ 370.478897] cpuidle_enter+0x38/0x50
[ 370.478905] do_idle+0x264/0x300
[ 370.478915] cpu_startup_entry+0x38/0x40
[ 370.478924] secondary_start_kernel+0x130/0x15c
[ 370.478935] __secondary_switched+0xb0/0xb4
[ 370.478952] bad: scheduling from the idle thread!
[ 370.478956] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W O 6.1.82-rt27 #1
[ 370.478964] Hardware name: MYiR STM32MP257x Evaluation Board 2 (DT)
[ 370.478967] Call trace:
[ 370.478970] dump_backtrace+0xdc/0x130
[ 370.478981] show_stack+0x18/0x30
[ 370.478992] dump_stack_lvl+0x64/0x80
[ 370.479000] dump_stack+0x18/0x34
[ 370.479008] dequeue_task_idle+0x30/0x60
[ 370.479018] __do_set_cpus_allowed+0x94/0x174
[ 370.479026] __schedule+0x62c/0x6b0
[ 370.479037] schedule_rtlock+0x28/0x60
[ 370.479048] rtlock_slowlock_locked+0x384/0xc1c
[ 370.479057] rt_spin_lock+0x88/0xb0
[ 370.479065] genpd_lock_nested_spin+0x1c/0x30
[ 370.479077] genpd_power_on+0x64/0x170
[ 370.479085] genpd_runtime_resume+0xcc/0x2d0
[ 370.479093] __rpm_callback+0x48/0x1ac
[ 370.479102] rpm_callback+0x6c/0x80
[ 370.479110] rpm_resume+0x460/0x6d0
[ 370.479118] __pm_runtime_resume+0x48/0x8c
[ 370.479127] __psci_enter_domain_idle_state.constprop.0+0xd4/0xe0
[ 370.479138] psci_enter_domain_idle_state+0x18/0x2c
[ 370.479148] cpuidle_enter_state+0x270/0x2fc
[ 370.479157] cpuidle_enter+0x38/0x50
[ 370.479166] do_idle+0x264/0x300
[ 370.479174] cpu_startup_entry+0x38/0x40
[ 370.479183] secondary_start_kernel+0x130/0x15c
[ 370.479193] __secondary_switched+0xb0/0xb4
[ 370.479210] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
[ 370.479215] Mem abort info:
[ 370.479217] ESR = 0x0000000086000006
[ 370.479220] EC = 0x21: IABT (current EL), IL = 32 bits
[ 370.479226] SET = 0, FnV = 0
[ 370.479229] EA = 0, S1PTW = 0
[ 370.479232] FSC = 0x06: level 2 translation fault
[ 370.479236] user pgtable: 4k pages, 48-bit VAs, pgdp=000000008699d000
[ 370.479243] [0000000000000000] pgd=080000008699e003, p4d=080000008699e003, pud=080000008699f003, pmd=0000000000000000
[ 370.479260] Internal error: Oops: 0000000086000006 [#1] PREEMPT_RT SMP
[ 370.479266] Modules linked in: cfg80211 rfkill stm32_adc stm32_timer_trigger stm32_lptimer_trigger mcp251xfd crct10dif_ce nvme nvme_core stusb160x typec stm32_adc_core stm32_crc32 spi_stm32 m_can_platform m_can can_dev cdc_acm optee_rng rng_core sch_fq_codel 8021q garp mrp bridge stp llc sch_prio ch343(O) acm(O) edgx_pfm_lkm(O) stm32_deip(O) ip_tables x_tables ipv6
[ 370.479356] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W O 6.1.82-rt27 #1
[ 370.479364] Hardware name: MYiR STM32MP257x Evaluation Board 2 (DT)
[ 370.479368] pstate: 000000c5 (nzcv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 370.479377] pc : 0x0
[ 370.479385] lr : __do_set_cpus_allowed+0xcc/0x174
[ 370.479393] sp : ffff800009a0b970
[ 370.479396] x29: ffff800009a0b970 x28: 0000000000000000 x27: 0000000000000000
[ 370.479409] x26: ffff800009a0ba50 x25: ffff800009a0ba78 x24: ffff0000041340f0
[ 370.479422] x23: 0000000000000002 x22: ffff800008ecaa28 x21: ffff000004136740
[ 370.479435] x20: ffff000004133b00 x19: ffff00007238e640 x18: 00000000fffffffd
[ 370.479448] x17: 0000000000000000 x16: 0000000000000000 x15: ffff800009a0af20
[ 370.479461] x14: 0000000000000000 x13: ffff800009a0b14a x12: 656c646920656874
[ 370.479473] x11: fffffffffffe0000 x10: 000000000000000a x9 : ffff800009a0b070
[ 370.479486] x8 : ffff800009753020 x7 : ffff800009a0b5c0 x6 : 000000000000000c
[ 370.479498] x5 : ffff000004134528 x4 : 0000000000000000 x3 : 0000000000000000
[ 370.479510] x2 : 000000000000000a x1 : ffff000004133b00 x0 : ffff00007238e640
[ 370.479522] Call trace:
[ 370.479525] 0x0
[ 370.479530] __schedule+0x62c/0x6b0
[ 370.479541] schedule_rtlock+0x28/0x60
[ 370.479552] rtlock_slowlock_locked+0x384/0xc1c
[ 370.479561] rt_spin_lock+0x88/0xb0
[ 370.479569] genpd_lock_nested_spin+0x1c/0x30
[ 370.479581] genpd_power_on+0x64/0x170
[ 370.479589] genpd_runtime_resume+0xcc/0x2d0
[ 370.479597] __rpm_callback+0x48/0x1ac
[ 370.479605] rpm_callback+0x6c/0x80
[ 370.479613] rpm_resume+0x460/0x6d0
[ 370.479622] __pm_runtime_resume+0x48/0x8c
[ 370.479630] __psci_enter_domain_idle_state.constprop.0+0xd4/0xe0
[ 370.479641] psci_enter_domain_idle_state+0x18/0x2c
[ 370.479651] cpuidle_enter_state+0x270/0x2fc
[ 370.479660] cpuidle_enter+0x38/0x50
[ 370.479668] do_idle+0x264/0x300
[ 370.479677] cpu_startup_entry+0x38/0x40
[ 370.479686] secondary_start_kernel+0x130/0x15c
[ 370.479696] __secondary_switched+0xb0/0xb4
[ 370.479713] Code: bad PC value
[ 371.023423] ---[ end trace 0000000000000000 ]---
[ 371.023431] Kernel panic - not syncing: Attempted to kill the idle task!
[ 371.023437] SMP: stopping secondary CPUs
[ 372.106774] SMP: failed to stop secondary CPUs 0-1
[ 372.106782] Kernel Offset: disabled
[ 372.106785] CPU features: 0x00000,00000080,0000421b
[ 372.106790] Memory Limit: none
E/TC:1 Panic 'Watchdog' at /usr/src/debug/optee-os-stm32mp/3.19.0-stm32mp-r2-r0/core/drivers/stm32_iwdg.c:193 <stm32_iwdg_ it_handler>
E/TC:1 TEE load address @ 0x82000000
E/TC:1 Call stack:
E/TC:1 0x8200831c
E/TC:1 0x82030254
E/TC:1 0x82019eb0
E/TC:1 0x8202f198
E/TC:1 0x82013fd4
E/TC:1 0x820017dc
NOTICE: CPU: STM32MP257DAL Rev.Y
NOTICE: Model: STMicroelectronics STM32MP257F-EV1 Evaluation Board
INFO: Reset reason (0x2104):
INFO: IWDG1 system reset (rst_iwdg1)
INFO: PMIC2 version = 0x11
INFO: PMIC2 product ID = 0x21
INFO: FCONF: Reading TB_FW firmware configuration file from: 0xe011000
INFO: FCONF: Reading firmware configuration information for: stm32mp_io
INFO: FCONF: Reading firmware configuration information for: stm32mp_fuse
INFO: Using EMMC
INFO: Instance 2
INFO: Boot used partition fsbl1
NOTICE: BL2: v2.8-stm32mp2-r2.0(debug):a668299(a6682993)
NOTICE: BL2: Built : 09:46:55, Dec 22 2024
INFO: BL2: Loading image id 26
INFO: Loading image id=26 at address 0xe041000
INFO: Image id=26 loaded: 0xe041000 - 0xe049650
INFO: BL2: Doing platform setup
INFO: RAM: LPDDR4 1x16Gbits 1x32bits 1200MHz
INFO: Memory size = 0x80000000 (2048 MB)
INFO: BL2: Loading image id 1
INFO: Loading image id=1 at address 0xe000000
INFO: Image id=1 loaded: 0xe000000 - 0xe000326
INFO: FCONF: Reading FW_CONFIG firmware configuration file from: 0xe000000
INFO: FCONF: Reading firmware configuration information for: risaf_config
INFO: RISAF2: No configuration in DT, use default
INFO: FCONF: Reading firmware configuration information for: dyn_cfg
INFO: BL31 max size = 0x17000 (94208B)
INFO: BL2: Loading image id 3
INFO: Loading image id=3 at address 0xe000000
INFO: Image id=3 loaded: 0xe000000 - 0xe0157c0
INFO: BL2: Loading image id 19
INFO: Loading image id=19 at address 0x81fc0000
INFO: Image id=19 loaded: 0x81fc0000 - 0x81fc39ec
INFO: BL2: Loading image id 4
INFO: Loading image id=4 at address 0x82000000
INFO: Image id=4 loaded: 0x82000000 - 0x8200001c
INFO: OPTEE ep=0x82000000
INFO: OPTEE header info:
INFO: magic=0x4554504f
INFO: version=0x2
INFO: arch=0x1
INFO: flags=0x0
INFO: nb_images=0x1
INFO: BL2: Loading image id 8
INFO: Loading image id=8 at address 0x82000000
INFO: Image id=8 loaded: 0x82000000 - 0x820cc238
INFO: BL2: Loading image id 2
INFO: Loading image id=2 at address 0x84400000
INFO: Image id=2 loaded: 0x84400000 - 0x84419790
INFO: BL2: Loading image id 5
INFO: Loading image id=5 at address 0x84000000
INFO: Image id=5 loaded: 0x84000000 - 0x841975f0
NOTICE: BL2: Booting BL31
INFO: Entry point address = 0xe000000
INFO: SPSR = 0x3cd
INFO: ARM GICv2 driver initialized
NOTICE: BL31: v2.8-stm32mp2-r2.0(debug):a668299(a6682993)
NOTICE: BL31: Built : 09:46:55, Dec 22 2024
INFO: BL31: Initializing runtime services
INFO: BL31: Initializing BL32
I/TC: Early console on UART#2
I/TC:
