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Cisco Bug: CSCus87673 - 3700 AP 5ghz Radio Reset

Last Modified

Sep 02, 2016

Products (27)

  • Cisco Aironet 3700 Series
  • Cisco AP802 Integrated Access Point
  • Cisco Aironet 1552I Outdoor Access Point
  • Cisco Aironet 2600i Access Point
  • Cisco Aironet 1260 Access Point
  • Cisco Aironet 1600i Access Point
  • Cisco Aironet 2700e Access Point
  • Cisco Aironet 1040 Series Access Point
  • Cisco Aironet 3500i Access Point
  • Cisco Aironet 3700p Access Point
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Known Affected Releases

15.2(4)JB6

Description (partial)

Symptom:
Dot11Radio1 is getting in the down state due to radio error:

*Feb  5 14:38:46.363: Cmd Timeout After 12s
*Feb  5 14:38:46.363: mvl_handle_timeout called cmdtype=[0x16]
 
*Feb  5 14:38:46.363: %DOT11-6-GEN_ERROR: Error on Dot11Radio1 -
Radio interface bus down --
-Traceback= 119B108z 17BF0C8z 1829CB4z 182A384z 183773Cz 17C0C24z 17C251Cz 17C4084z 132B150z 1310018z
*Feb  5 14:38:49.103: %CLEANAIR-6-STATE: Slot 1 down
*Feb  5 14:38:51.759: %EVT-4-WRN: Write of flash:/event.r1 done
*Feb  5 14:38:52.371: %LINK-5-CHANGED: Interface Dot11Radio1, changed state to resetPCI reset port 1
*Feb  5 14:38:53.679: soap_pci_reconfig_radio: radio id 1
*Feb  5 14:38:53.695: %LINEPROTO-5-UPDOWN: Line protocol on Interface Dot11Radio1, changed state to downPCI reset port 1
*Feb  5 14:38:54.031: soap_pci_reconfig_radio: radio id 1
*Feb  5 14:38:54.075: Interface Dot11Radio1: not starting because stop-on-failure set

event.r1 showing the following:

Feb 5 14:38:46.363: %EVT-3-ERR_TRACE: FW: unresponsive thread=0 @B51C69E6,s@B4654338

 -Traceback= 1450B40z 1829CACz 182A384z 183773Cz 17C0C24z 17C251Cz 17C4084z 132B150z 1310018z
Feb 5 14:38:46.363: %EVT-5-NTC: Radio d1 FST 79 Flags 2020105 BCN 1
Feb 5 14:38:46.363: %EVT-5-NTC: Radio d1 RST 71 Flags 202010D BCN 1
Feb 5 14:38:46.371: %EVT-5-NTC_PROC: mh_driver_off_chnl_complete: to Channel 11 for d0
Process: Dot11 driver
Feb 5 14:38:46.371: %EVT-5-NTC_PROC: dot11_return_serving_channel: d0 Channel 6
Process: Dot11 driver
Feb 5 14:38:46.371: %EVT-5-NTC_PROC: dot11_return_serving_channel:DFS Enable
Process: Dot11 driver

Conditions:
3700 AP joined to 5760 on 3.3.5SE
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