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

## SYSLOG Details
- **Message**: conditional signal failure <variable>function-name</variable>():<variable>line-number</variable>
- **Help**: COSD conditional signal failure
- **Description**: The class-of-service(CoS) encountered a signal failure during response of a thread. Conditional signal failure is detected.
- **Type**: SNO: Should Not Occur
- **Severity**: error
- **Cause**: An internal software failure occurred.
- **Action**: Contact your technical support representative.
- **Attributes**: function-name
line-number
- **Facility**: LOG_DAEMON

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