BugZero | Cisco BugID CSCvf84211 - WLC dataplane reloads unexpectedly due to core 0 h...

BugZero | Cisco BugID CSCvf84211 - WLC dataplane reloads unexpectedly due to core 0 h...

Cisco - Defect ID: CSCvf84211

WLC dataplane reloads unexpectedly due to core 0 hung and RML interrupt handling

Cisco - Defect ID: CSCvf84211

WLC dataplane reloads unexpectedly due to core 0 hung and RML interrupt handling

Last updated on June 26th, 2026

BugZero Risk Score
9.7 High

Overall: 9.7

Severity: 10.0

Lifecycle: 9.1

Popularity: 6.9

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Bug Details

Description

Symptom

Wireless Controller encounter data plane crash and unexpectedly reboot

Conditions

Unknown

Workaround

Unknown

Further Problem Description

crashfile is showing below information: Task Name: osapiReaper User Crash: The system has encountered a fatal condition at broffu_fp_dapi_cmd.c:4454 Line 12048: 326813951415474[9145] Max Number of Allowed RML is reached (100), Crashing the box itentionally Line 12273: FP0.RML Stats (Number of RML- count(+elapsed))-------------- Line 12273: FP0.RML Stats (Number of RML- count(+elapsed))-------------- Line 12325: RML Info : ERROR PKO_REG_ERROR[CURRZERO]: A packet data pointer has size=0

Change history

2026-06-26 Added: 8.0.140.0, 8.2.160.0, 8.2.161.0, 8.3.121.0

2026-06-26 Removed: 8.0(140.0), 8.2(154.33), 8.2(160.0), 8.2(161.0), 8.3(121.0), 8.7(1.5)

2026-06-26 Added: 8.0.140.0, 8.2.160.0, 8.2.161.0, 8.3.121.0

2026-06-26 Removed: 8.0(140.0), 8.2(154.33), 8.2(160.0), 8.2(161.0), 8.3(121.0), 8.7(1.5)

2026-06-26 Added: 8.0.140.0, 8.2.160.0, 8.2.161.0, 8.3.121.0

2026-06-26 Removed: 8.0(140.0), 8.2(154.33), 8.2(160.0), 8.2(161.0), 8.3(121.0), 8.7(1.5)

2026-06-26 Added: 8.0.140.0, 8.2.160.0, 8.2.161.0, 8.3.121.0

2026-06-26 Removed: 8.0(140.0), 8.2(154.33), 8.2(160.0), 8.2(161.0), 8.3(121.0), 8.7(1.5)

2026-06-26 Added: 8.0.140.0, 8.2.160.0, 8.2.161.0, 8.3.121.0

2026-06-26 Removed: 8.0(140.0), 8.2(154.33), 8.2(160.0), 8.2(161.0), 8.3(121.0), 8.7(1.5)

2026-06-26 Added: 8.0.140.0, 8.2.160.0, 8.2.161.0, 8.3.121.0

2026-06-26 Removed: 8.0(140.0), 8.2(154.33), 8.2(160.0), 8.2(161.0), 8.3(121.0), 8.7(1.5)

2026-06-26 Added: 8.0.140.0, 8.2.160.0, 8.2.161.0, 8.3.121.0

2026-06-26 Removed: 8.0(140.0), 8.2(154.33), 8.2(160.0), 8.2(161.0), 8.3(121.0), 8.7(1.5)

2021-07-13 Added: 8.0(140.0), 8.2(154.33), 8.2(160.0), 8.2(161.0), 8.3(121.0), 8.7(1.5)

Relevant Products

Click on a version to see all relevant bugs

Affected versions:8.0.140.0, 8.2.160.0, 8.2.161.0, 8.3.121.0

Fixed versions: 8.2.170.0, 8.3.140.0, 8.5.110.0, 8.6.101.0, 8.7.102.0

Relevant Products

Click on a version to see all relevant bugs

Affected versions:8.0.140.0, 8.2.160.0, 8.2.161.0, 8.3.121.0

Fixed versions: 8.2.170.0, 8.3.140.0, 8.5.110.0, 8.6.101.0, 8.7.102.0

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