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Cisco Bug: CSCum11118 - Stack overflow in 'ADJ background' process

Last Modified

Apr 20, 2019

Products (74)

  • Cisco IOS
  • Cisco 819 Hardened Integrated Services Router
  • Cisco 892W Integrated Services Router
  • Cisco 2951 Integrated Services Router
  • Cisco VG204XM Analog Voice Gateway
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco C892FSP Integrated Services Router
  • Cisco 881SRSTW Integrated Services Router
  • Cisco 861W Integrated Services Router
  • Cisco 888W Integrated Services Router
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Known Affected Releases


Description (partial)

A Cisco ISR router crashes due to stack overflow in the "ADJ background" process. The following syslog may be seen just before the crash:
000105: Dec  9 04:08:44.447 UTC:  SYS-6-STACKLOW  Stack for process ADJ background running low, 20/6000.

Can also cause crash due to memory corruption, would show messages like

current memory block, bp = 0x3B727044,
memorypool type is Processor
data check, ptr = 0x3B727074

next memory block, bp = 0x3B729A60,
memorypool type is Processor
data check, ptr = 0x3B729A90

previous memory block, bp = 0x3B725DCC,
memorypool type is Processor
data check, ptr = 0x3B725DFC

The conditions to this symptom are unknown.
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Bug Details Include

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