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Cisco Bug: CSCvs56849 - 9120AXI unexpectedly reloads with watchdog or grpc_server tainted - PC at "raw_spin_lock+0x24/0x38"

Last Modified

Oct 07, 2020

Products (1)

  • Cisco Aironet 1850 Series Access Points

Known Affected Releases

8.10(109.46) ap-17.1.1.29 ap-17.1.1.9

Description (partial)

Symptom:
9120AX AP crashing

<4>[05/09/2020 19:32:56.9640] CPU: 3 PID: 6443 Comm: grpc_server Tainted: P           OE   4.1.52 #3
<4>[05/09/2020 19:32:57.0670] Hardware name: Broadcom-v8A (DT)
<4>[05/09/2020 19:32:57.1310] task: ffffffc0223e0bc0 ti: ffffffc06cde4000 task.ti: ffffffc06cde4000
<4>[05/09/2020 19:32:57.2330] PC is at _raw_spin_lock+0x24/0x38
<4>[05/09/2020 19:32:57.2980] LR is at futex_wait_setup+0xa0/0x190

Conditions:
AP model: 9120AX
AP code: 17.1.1.29
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