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Cisco Bug: CSCvh82161 - WGB looses connectivity -- Assertion failure !cpq->pkts_in_acq in disc_tx_client_dq_one at 2919

Last Modified

Aug 12, 2019

Products (1)

  • Cisco Aironet 3700 Series Access Points

Known Affected Releases

15.3(3)JF

Description (partial)

Symptom:
WGB loses connectivity to wlc once in a week. This issue is noticed on multiple WGB. 
Only way to recover from the state is by reloading. We also tried to upgrade the WGB to latest code 15.3.3-JG1 however the issue remains.

Conditions:
On few times we see lot of radio reset happens due with different rest codes ... 
Mar 1 03:18:15.859: %EVT-5-NTC: slot=1 radio state 5 change
Mar 1 03:18:15.879: %EVT-5-NTC: Radio d1 RST 37 Flags E010D BCN 0
Mar 1 03:18:15.903: %EVT-5-NTC: Radio d1 RST 37 Flags E010D BCN 0
Mar 1 03:18:15.903: %EVT-5-NTC: Radio d1 RST 37 Flags E010D BCN 0
Mar 1 03:18:15.907: %EVT-5-NTC: Radio d1 RST 68 Flags E010D BCN 0
Mar 1 03:18:15.911: %EVT-5-NTC: Radio d1 RST 37 Flags E010D BCN 0
Mar 1 03:18:15.911: %EVT-5-NTC: Radio d1 RST 68 Flags E010D BCN 0
Mar 1 03:18:15.951: %EVT-5-NTC: Radio d1 RST 37 Flags E010D BCN 0
Mar 1 03:18:15.955: %EVT-5-NTC: Radio d1 RST 37 Flags E010D BCN 0
Mar 1 03:18:15.959: %EVT-5-NTC: Radio d1 RST 37 Flags E010D BCN 0
Mar 1 03:18:15.971: %EVT-5-NTC: stopped beacons: d1 disc start 2 6012D 0 0 0 0 0 0
 
Sometimes we see radio stuck with ?Assertion failure !cpq->pkts_in_acq in disc_tx_client_dq_one at 2919?: 
 
-Traceback= 11B5350z 182DF90z 182E844z 18759F0z 184DE44z 14989F8z 14945F4z 14945F4z 1498AC0z 1331024z 1331020z 133692Cz
Jan 27 08:25:56.621: %DOT11-4-UPLINK_DOWN: Interface Dot11Radio1, parent lost: Too many retries
Jan 27 08:25:56.621:  Bad ACQ count 7 7 0 951CCC8 0
Jan 27 08:25:56.621:  ....... STOPPING CPQ FWD TRACE ON Bad ACQ count 7
.....
Jan 27 08:25:56.621:  Assertion failure !cpq->pkts_in_acq in disc_tx_client_dq_one at 2919
Jan 27 08:25:56.621: -Traceback= 11B6588z 1874270z 187719Cz 186BBC0z 1833B64z 2178DC8z 217BF68z 2175DF4z 13472D4z 132E05Cz
Jan 27 08:25:56.825:  Bad ACQ count 4 -6 0 951E208 0
Jan 27 08:25:56.825:  Bad ACQ count 4 -7 0 951E168 0
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