> Source: [sk184339](https://support.checkpoint.com/results/sk/sk184339)

# sk184339 - After reboot, "No irq handler for vector (irq -1)" error appears in the system kernel of the TE2000X appliance

| Property | Value |
|----------|-------|
| Solution ID | sk184339 |
| Date Created | 2025-11-27 |
| Last Modified | 2025-12-08 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |
| Platform | TE |

## Symptoms

- After reboot, these messages appear in the system kernel of the TE2000X appliance:   


```
Message from syslogd@<gateway_name> at [Date, Time] ...
 kernel:do_IRQ: 13.58 No irq handler for vector (irq -1)

Message from syslogd@<gateway_name> at [Date, Time] ...
 kernel:do_IRQ: 17.58 No irq handler for vector (irq -1)

Message from syslogd@<gateway_name> at [Date, Time] ...
 kernel:do_IRQ: 5.58 No irq handler for vector (irq -1)
```

<br />

These errors are only visible in the terminal after reboot, and do not appear in regular system logs.

<br />

## Cause

The syslog kernel error `No irq handler for vector (irq -1)` appears when the Interrupt Remapping feature is enabled on BIOS or hardware versions that do not fully support it.   

The Gaia OS kernel inherits the kernel handling of Interrupt Remapping from Red Hat Enterprise Linux (RHEL). When Interrupt Remapping is detected but the hardware/BIOS does not support it, the kernel generates these warnings.

This error originates from the Linux kernel's interaction with the system hardware, and is not caused by Check Point software. Red Hat documented this issue here: [https://access.redhat.com/solutions/110053](https://access.redhat.com/solutions/110053/).  

<br />

## Solution

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