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

## SYSLOG Details
- **Message**: <variable>function-name</variable>:<variable>line-number</variable> failed to block signals  rv=<variable>error-no</variable>
- **Help**: chassisd - Signal mask failure
- **Description**: The chassis process (chassisd) failed to mask signal
- **Type**: Internal: Internal log message
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: function-name
line-number
error-no
- **Facility**: LOG_DAEMON

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