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Cisco Bug: CSCur47925 - c2951, c3925 or c3945 hangs after error message "%VC_DMA-3-SR_ERROR:"

Last Modified

Jul 14, 2017

Products (87)

  • Cisco 3900 Series Integrated Services Routers
  • Cisco C897VA Integrated Services Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco 892W Integrated Services Router
  • Cisco 861W Integrated Services Router
  • Cisco 812 CiFi Integrated Services Router
  • Cisco C892FSP Integrated Services Router
  • Cisco 888W Integrated Services Router
  • Cisco 1905 Serial Integrated Services Router
  • Cisco 881SRSTW Integrated Services Router
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Known Affected Releases

15.2(4)M6

Description (partial)

Symptom:
Router stops forwarding traffic after "%VC_DMA-3-SR_ERROR:" message

In the "show interfaces" output we see wedged input queue (size greater than max), e.g.:

Input queue: 76/75/10274/0 (size/max/drops/flushes);

Conditions:
Happens randomly when the router has SM-X-1T3E3 module inserted in the chassis
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