# The "$FWDIR/log/fwk.elg" or "var/log/messages" file is flooded with "cmik_loader_fw_context_match_cb"

## Product
Check Point Appliances

## Version
R81 (EOS), R81.10 (EOS), R81.20

## OS
Gaia

## Last Modified
2025-02-26

## Symptoms

- The _$FWDIR/log/fwk.elg_ or _/var/log/messages_ file on the Security Gateway / Cluster Member contains this line repeatedly:

`cmik_loader_fw_context_match_cb: match_cb for CMI APP 31 - DNS_DATA_SOURCE failed on context 201, executing context 366 and adding the app to apps in exception`

- Traffic outages through a Security Gateway / Cluster / VSX Virtual System, and core dumps are created.

- Apply to Check Point Appliances, Virtual Machines, and Open Servers.

## Cause

A failure to extract a DNS attribute from the DNS server response.

## Solution

This problem was fixed. The fix is included in:

- [Check Point R82](https://support.checkpoint.com/results/sk/sk181127)
- [Jumbo Hotfix Accumulator for R81.20](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.20/Default.htm) starting from Take 90
- [Jumbo Hotfix Accumulator for R81.10](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.10/Default.htm) starting from Take 171
- [Jumbo Hotfix Accumulator for R81](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81/Default.htm) starting from Take 106

If you choose not to upgrade, Check Point can supply a **Hotfix**. [Contact Check Point Support](https://www.checkpoint.com/support-services/.contact-support/) to get a Hotfix for this issue.

A Support Engineer will make sure the Hotfix is compatible with your environment before providing the Hotfix.

For faster resolution and verification, please collect [CPinfo files](http://supportcontent.checkpoint.com/solutions?id=sk92739) from the Security Management Server and Security Gateways involved in the case.

**Hotfix installation instructions:**

Refer to [sk168597 - How to install a Hotfix](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk168597).

#### NOTE

This solution has been verified for the specific scenario, described by the combination of Product, Version and Symptoms. It may not work in other scenarios.

## Article Properties

Access Level: General

Status: Approved by TAC

Date Created: 2024-08-21

Last Modified: 2025-02-26