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Cisco Bug: CSCvv13566 - Cisco AP reloads unexpectedly with asserts on wifi txfifo id mismatch (CS00010813755)

Last Modified

Sep 03, 2020

Products (1)

  • Cisco Aironet 1850 Series Access Points

Known Affected Releases

ap-17.1.1.29 ap-17.1.2.1

Description (partial)

Symptom:
9120 APs randomly crashing with  the error code:

kernel: (musched->wlc)" failed: file "wlc_musched.c:3850" assert:"*pfifo < WLC_HW_NFIFO_INUSE(wlc)" failed: file "wlc_tx.c:2695" assert:"*pfifo < WLC_HW_NFIFO_INUSE(wlc)" failed: file "wlc_tx.c:2851" assert:"fifo < WLC_HW_NFIFO_INUSE(wl

Conditions:
9120 AX APs on code 17.1.1s and 17.2.1
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