> Source: [sk102448](https://support.checkpoint.com/results/sk/sk102448)

# sk102448 - FWK process might crash when running the 'cpstop -fwflag -driver' command 

| Property | Value |
|----------|-------|
| Solution ID | sk102448 |
| Date Created | 2014-09-11 |
| Last Modified | 2019-04-22 |
| Technical Level | Advanced |
| Products | Security Gateway, Hardware |
| Versions | R82.10, R82, R81.20, Not Version-Specific |
| OS | Gaia |

## Symptoms

- * <br />

  FWK process might crash when running the '`cpstop -fwflag -driver`' command (e.g., when following kernel memory leak procedure [sk35496](http://supportcontent.checkpoint.com/solutions?id=sk35496)).

  <br />

* After enabling the generation of core dump files per [sk92764](http://supportcontent.checkpoint.com/solutions?id=sk92764), core dump files are generated for FWK process in the */var/log/dump/usermode* directory when running the above command.

* FWK core dump files contain the following stack:

  ```
  
  Core was generated by `fwk       '. 
  Program terminated with signal 11, Segmentation fault. 
  #0  0x... in kiss_stat_server_free_data_buffer (...) at kiss_stat_server.c 
  PID     kiss_stat_server.c: No such file or directory. 
          in kiss_stat_server.c 
  (gdb) bt 
  #0  0x... in kiss_stat_server_free_data_buffer (...) at kiss_stat_server.c 
  #1  0x... in kiss_fini () at kiss_module.c 
  #2  0x... in fw_drv_fini () at fwdrv.c 
  #3  0x... in fwdrv_do_fini () at fwlinux.c
  #4  0x... in fw_userspace_fini () at /local_ckp/xm/cpshared/geyser/B990180009/include/cpuserdrv.c 
  #5  0x... in ?? () 
  #6  0x... in fwk_cleanup () 
  #7  0x... in fwk_dev_fini () 
  #8  0x... in ?? () 
  #9  0x... in ?? () from /opt/CPshrd-R77/lib/libComUtils.so 
  #10 0x... in T_event_mainloop_iter () from /opt/CPshrd-R77/lib/libComUtils.so 
  #11 0x... in T_event_mainloop_e () from /opt/CPshrd-R77/lib/libComUtils.so 
  #12 0x... in fwk_dev_thread_run () 
  #13 0x... in ?? () 
  #14 0x... in main () 
  (gdb)
  ```

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