# [NPC_SEMAPHORE_CREATE_FAILURE](https://apps.juniper.net/syslog-explorer/?msg=NPC_SEMAPHORE_CREATE_FAILURE)

## SYSLOG Details
- **Message**: <variable>function-name</variable>: Unable to create thread sync semaphore (<variable>thread-function</variable>:<variable>line-number</variable>)
- **Help**: Semaphore creation for sync thread failed
- **Description**: During bootup debug, semaphore creation for sync thread failed
- **Type**: Internal: Internal log message
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: function-name
thread-function
line-number
- **Facility**: LOG_PFE

## Found this message in the following releases:
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=NPC_SEMAPHORE_CREATE_FAILURE&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=NPC_SEMAPHORE_CREATE_FAILURE&sw=Junos%20OS&rel=23.4R1)