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

## SYSLOG Details
- **Message**: select() got EINTR with no sigmask
- **Help**: DFWD was interrupted but did not receive a valid signal mask
- **Description**: On returning from a select() call, DFWD discovered that the call returned because of a software interrupt. However, DFWD did not receive the signal mask corresponding to this interrupt.
- **Type**: SNO: Should Not Occur
- **Severity**: error
- **Cause**: An internal software failure occurred.
- **Action**: Contact your technical support representative.
- **Attributes**: -
- **Facility**: LOG_DAEMON

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