> Source: [sk179746](https://support.checkpoint.com/results/sk/sk179746)

# sk179746 - "Epoll warning: Waiting for sockets to be available failed: Interrupted system call" message in syslog

| Property | Value |
|----------|-------|
| Solution ID | sk179746 |
| Date Created | 2022-07-31 |
| Last Modified | 2022-08-04 |
| Technical Level | Advanced |
| Products | Other |
| Versions | Not Version-Specific |
| OS | Gaia |

## Symptoms

- The */var/log/messages* file shows:


`Jul 17 20:11:06 XXXXX xpand[6025]: select_io_handler: Epoll warning: Waiting for sockets to be available failed: Interrupted system call `

## Cause

The*epoll_wait* function is part of the code that is waiting for file descriptor input.  
Certain signal handlers may interrupt *epoll_wait*and similar system calls on Unix or Linux devices.

## Solution

This solution requires authentication. Please log in to view the full solution.

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