ligd 756c9fb60d semaphore: fix corner case sem_waitirq assert crash ... [ 11.041077] [25] [ EMERG] [ap] up_assert: Assertion failed at file:semaphore/sem_waitirq.c line: 84 task: thermal service [ 11.041407] [25] [ EMERG] [ap] backtrace: [ 11.041517] [25] [ EMERG] [ap] [25] [<0x2c687c9e>] up_backtrace+0xa/0x164 [ 11.041627] [25] [ EMERG] [ap] [25] [<0x2c676e6c>] sched_dumpstack+0x1c/0x5c [ 11.041682] [25] [ EMERG] [ap] [25] [<0x2c68763a>] up_assert+0x42/0x24c [ 11.041792] [25] [ EMERG] [ap] [25] [<0x2c67355e>] _assert+0x2/0xc [ 11.041847] [25] [ EMERG] [ap] [25] [<0x2c65d536>] nxsem_wait_irq+0x3e/0x134 [ 11.042288] [25] [ EMERG] [ap] [25] [<0x2c65d378>] nxsem_timeout+0x24/0x34 [ 11.043169] [25] [ EMERG] [ap] [25] [<0x2c65f74c>] wd_timer+0xc0/0x104 [ 11.043995] [25] [ EMERG] [ap] [25] [<0x2c65c930>] nxsched_alarm_expiration+0x4c/0xdc [ 11.044986] [25] [ EMERG] [ap] [25] [<0x2c670872>] oneshot_callback+0x16/0x24 [ 11.045867] [25] [ EMERG] [ap] [25] [<0x2c6822b8>] bes_oneshot_irq_handler+0x18/0x28 [ 11.046858] [25] [ EMERG] [ap] [25] [<0x57e5c>] up_irq_handler+0x4/0xc [ 11.047684] [25] [ EMERG] [ap] [25] [<0x2c65a20e>] irq_dispatch+0x5a/0xb8 [ 11.048510] [25] [ EMERG] [ap] [25] [<0x2c6864d8>] arm_doirq+0x28/0x3c [ 11.049336] [25] [ EMERG] [ap] [25] [<0x2c681732>] exception_common+0x4a/0xac [ 11.050272] [25] [ EMERG] [ap] [25] [<0x2c65a324>] leave_critical_section+0x2c/0x54 [ 11.051208] [25] [ EMERG] [ap] [25] [<0x2c65f472>] timer_settime+0x9e/0x10c There are 2 ways can caused this: 1. sem_timedwait HW IRQ sem_post TIMER IRQ do wd_timer -> nxsem_timeout -> crash Note: The 2 IRQS happens amost at same time 2. sem_timedwait TIMER IRQ do wd_timer -> wd_func1 sem_post -> wd_func2 nxsem_timeout -> crash Resolve: Stop the watchdog when sem_post Signed-off-by: ligd <liguiding1@xiaomi.com>		2022-02-18 23:00:28 +08:00
..
Make.defs	sched: Author Gregory Nutt: update licenses to Apache	2021-02-09 01:21:53 -08:00
sem_clockwait.c	sched/semaphore/sem_clockwait: fix typo in comment	2022-02-17 12:54:49 +01:00
sem_destroy.c	sched: nxstyle fixes	2021-02-09 01:21:53 -08:00
sem_holder.c	register_driver: fix driver modes accross the code	2022-02-16 16:15:29 +08:00
sem_initialize.c	Make more OS internal names consistent	2020-05-10 22:47:07 +08:00
sem_post.c	semaphore: fix corner case sem_waitirq assert crash	2022-02-18 23:00:28 +08:00
sem_recover.c	semphore: release all semphores' holder that the task held when exit	2022-02-13 03:20:51 +08:00
sem_reset.c	sched: Author Gregory Nutt: update licenses to Apache	2021-02-09 01:21:53 -08:00
sem_setprotocol.c	pthread: restore pthread mutex default protocol POSIX compatibility	2022-01-11 01:55:12 +08:00
sem_tickwait.c	sched/semaphore: remove redundant goto case	2021-12-13 14:38:44 +09:00
sem_timedwait.c	Don't include assert.h from public header file	2021-06-03 08:36:03 -07:00
sem_timeout.c	sched: Author Gregory Nutt: update licenses to Apache	2021-02-09 01:21:53 -08:00
sem_trywait.c	Revert "sem: remove limitation of irq context when do sem_trywait"	2022-01-29 00:53:47 +08:00
sem_wait.c	Make more OS internal names consistent	2020-05-10 22:47:07 +08:00
sem_waitirq.c	Don't include assert.h from public header file	2021-06-03 08:36:03 -07:00
semaphore.h	semphore: release all semphores' holder that the task held when exit	2022-02-13 03:20:51 +08:00
spinlock.c	sched/*/*spinlock.c: Fix some typos.	2021-07-24 09:00:41 -07:00