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Cisco Bug: CSCus93777 - IOS crash when making config changes while show output is waiting

Last Modified

Aug 15, 2017

Products (88)

  • Cisco IOS
  • Cisco VG204XM Analog Voice Gateway
  • Cisco 898 Secure G.SHDSL EFM/ATM with Multi-Mode 4G LTE ISR Router
  • Cisco 1905 Serial Integrated Services Router
  • Cisco C892FSP Integrated Services Router
  • Cisco C897VA Integrated Services Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco 861W Integrated Services Router
  • Cisco 886VAG 3G Integrated Services Router
  • Cisco 888W Integrated Services Router
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Known Affected Releases

15.2(4)M6.1 15.5(1)T

Description (partial)

Symptom:
When two(or more) remote connections are established with the device, with first connection pending user interaction at "more" after executing show ip ospf route and second connection removing the router ospf config, device crashes with corrupt chunk magic and/or free ref count.

Conditions:
Should be applicable to other configs as well, not just ospf. 
More than one remote sessions are established, one session has show ip ospf route pending user, the other remote session removes router ospf
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
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