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The Error Msg: mfree 2: m= [Hex] , m_type=0 PID = 0 Kernel an error message appears in the logs of a Cisco Catalyst switch that runs CatOS softwarecat

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Core issue

After an upgrade to an affected release of Catalyst Operating System (CatOS) software, the system can encounter an exception. The output of the show log command displays this message:

Error Msg: mfree 2: m=0x8c994080
PID = 0 Kernel an

For more information, refer to Cisco bug ID CSCed48590.

Also refer to Cisco Security Advisory: Cisco CatOS Telnet, HTTP and SSH Vulnerability.

Resolution

This problem has been fixed in these releases and later versions:

  • 6.4(8.10)
  • 8.3(0.114)BOC
  • 7.6(5.13)
  • 8.2(1.22)
  • 8.4(0.14)COC

As there is currently no workaround available, upgrade to one of above releases in order to resolve the problem.

The software can be donwloaded from LAN Swiching software.

Error message

Error Msg: mfree 2: m= [Hex] , m_type=0 PID = 0 Kernel an

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