5G radio not broadcasting with WAL_DBGID_DEV_TX_TIMEOUT

Summary

5G radio is not broadcasting and the customer will see the error message on AP supportinfo

Question

Why 5G beacon is not broadcasting?

Customer Environment

AP: Wave1 and Wave2 Channelization is configured as 20MHz This issue can occur in SOLO, ZD, v/SZ and Unleashed APs.

Root Cause

Calibration logic is wrong when channelization of 5G is configured as 20MHz

Troubleshooting Steps

The customer will see the following AP syslog output:
---
Dec 18 06:17:57 RuckusAP user.warn kernel: FWLOG: [975737] WAL_DBGID_DEV_TX_TIMEOUT ( 0x5 )
Dec 18 06:17:57 RuckusAP user.warn kernel: FWLOG: [975899] WAL_DBGID_DEV_TX_TIMEOUT ( 0x5 )
Dec 18 06:17:57 RuckusAP user.warn kernel: FWLOG: [976062] WAL_DBGID_DEV_TX_TIMEOUT ( 0x5 )
---

Workaround

Configure channelization to 'Auto' or 40MHz, 80MHz, 160MHz and check the results.

Resolution

The customer needs to change the AP from a 20MHz channel width, to 40, 80 or 160MHz. Alternatively, the SZ can be patched using a KSP in ER-6969.

Article Number:
000008880

Updated:
September 01, 2020 09:03 PM (over 4 years ago)

Tags:
Troubleshooting, Unleashed, ZoneDirector, ZoneFlex Indoor, SmartCell Gateway, virtual SmartCell Gateway

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4

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