Hi Olev, I just responded your issue.
I hope to have shed some light there. BR, Alan On 7/3/20, Oleg Evseev <ev.m...@gmail.com> wrote: > 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. >>> >> >
