Regarding to can driver, from some moment I started getting
DEBUGASSERT(sem->semcount<SEM_VALUE_MAX)
in sem_post.c. Found the bug
https://github.com/apache/incubator-nuttx/issues/1354
I don't know, was DEBUGASSERT(pholder != NULL) a different appearance of
the same bug or it is something else.
--
With regards,
Oleg.
вт, 30 июн. 2020 г. в 20:16, Oleg Evseev <ev.m...@gmail.com>:
> Find out that this happens while in poll.
>
> вт, 30 июн. 2020 г. в 15:45, Oleg Evseev <ev.m...@gmail.com>:
>
>> Hi all,
>>
>> I wonder how can I debug
>> DEBUGASSERT(pholder != NULL) in function nxsem_allocholder in file
>> semaphore/sem_holder.c that happens after some time reading a lot of
>> messages from can bus in can_reciever task?
>>
>> Task looks like this (CAN dev is opened as shared file with
>> file_open(&CANmodule->file, "/dev/can0", O_RDWR)):
>>
>> pollfd fds[1];
>> fds[0].fd = -1;
>> fds[0].ptr = CANmodule->file ;
>> fds[0].events = POLLIN | POLLFILE;
>>
>> while (!_thread_should_exit) {
>> int ret = poll(fds, sizeof(fds) / sizeof(fds[0]), 1000);
>>
>> if (fds[0].revents & POLLIN) {
>> /* Read the RX message */
>> CANreceive();
>> }
>> }
>>
>> void CANreceive(CANmodule_t *CANmodule){
>> struct can_msg_s msg = {};
>> ssize_t nbytes;
>>
>> nbytes = file_read(&CANmodule->file, &msg, sizeof(struct can_msg_s)
>> );
>> ...
>> }
>>
>> Thanks in advance for any help.
>>
>> --
>> With regards,
>> Oleg.
>>
>
