> Source: [sk182008](https://support.checkpoint.com/results/sk/sk182008)

# sk182008 - Security Gateway Module stuck in soft lockup after a reboot and seen as DETACHED

| Property | Value |
|----------|-------|
| Solution ID | sk182008 |
| Date Created | 2024-02-08 |
| Last Modified | 2024-02-08 |
| Technical Level | General |
| Products | Scalable Platforms |
| Versions | R81.20, R81.10 (EOS) |
| OS | Gaia |

## Symptoms

- * When the Security Gateway Module is configured in Kernel Space (KSFW), it may be not accessible over SSH/Ping/etc. after a reboot.
* The Security Gateway Module state changes to **DETACHED**
* From the Console, we see that configuration pulling has started, and then repeated soft lockups every approximately 20 seconds   

  ```
  
  SecureXL device enabled.
  sim affinityload_no_mq_reconf
  FireWall-1: enabling bridge forwarding
  FireWall-1 started
  dxl configuration initialized successfully.
  [Date and Time | 192.0.2.2] Waiting for cluster to stabilize
  [Date and Time | 192.0.2.2] Starting SMO check(0)...
  [Date and Time | 192.0.2.2] smo_ip=192.0.2.1
  [Date and Time | 192.0.2.2] Waiting 3 seconds before next SMO check
  [Date and Time | 192.0.2.2] Starting SMO check(1)...
  [Date and Time | 192.0.2.2] smo_ip=192.0.2.1
  [Date and Time | 192.0.2.2] Waiting 3 seconds before next SMO check
  [Date and Time | 192.0.2.2] Starting SMO check(2)...
  [Date and Time | 192.0.2.2] smo_ip=192.0.2.1
  [Date and Time | 192.0.2.2] SMO is stable, smo_ip=192.0.2.1
  [Date and Time]: pulling configuration from SMO (192.0.2.1)
  
  NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [Process:PID]
  NMI watchdog: BUG: soft lockup - CPU#3 stuck for 23s! [Process:PID]
  NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [Process:PID]
  ```

## Solution

[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 it.  
For faster resolution and verification, collect these files:

1. [CPinfo](https://support.checkpoint.com/results/sk/sk92739) file from the Management Server involved in the case.
2. [CPinfo](https://support.checkpoint.com/results/sk/sk92739) file from the Security Gateway / each Cluster Member involved in the case.

**Hotfix installation instructions:**   
Refer to [sk168597 - How to install a Hotfix](https://support.checkpoint.com/results/sk/sk168597).

---

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