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Cisco Bug: CSCvs81190 - Cisco 1800,1815,1840,1850,1540AP unexpectedly reload due kernel panic triggered by DFS channel use

Last Modified

Aug 21, 2020

Products (1)

  • Cisco Aironet 1850 Series Access Points

Known Affected Releases

8.5(151.0)

Description (partial)

Symptom:
1832/1852 AP having a kernel panic on 8.5.151.0 and with LR and PC values as seen below in the crash file ?
PC at dfs_remove_from_nol+0x28/0x1f4 [ath_dfs]
LR at run_timer_softirq+0x168/0x234

Conditions:
Crash looks like CSCvd95855, but that was duped to a bug that was committed in in 8.4, so its fix would not be on 8.5MR5
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  • Status
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