Solved: AP1852E rebooting loop

Tehnic2 Vetro · ‎08-20-2023

I have an Cisco AP1852E that is entering in rebooting loop and the message is: "SMP: failed to stop secondary CPUs"

marce1000 · ‎08-22-2023

- Try factory reset of the AP , if the same log type is seen afterwards , then the AP might have a hardware problem and needs replacement (RMA) ,

M.

-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '

View solution in original post

marce1000 · ‎08-20-2023

- These bug reports could be related : https://bst.cloudapps.cisco.com/bugsearch?pf=prdNm&kw=failed%20to%20stop%20secondary%20CPUs&bt=custV&sb=anfr

M.

-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '

Rich R · ‎08-21-2023

Save the entire AP console log from power on to a text file and then attach it here so we can see all the logs?

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TAC recommended codes for AireOS WLC's and TAC recommended codes for 9800 WLC's
Best Practices for AireOS WLC's, Best Practices for 9800 WLC's and Cisco Wireless compatibility matrix
Check your 9800 WLC config with Wireless Config Analyzer using "show tech wireless" output or "config paging disable" then "show run-config" output on AireOS and use Wireless Debug Analyzer to analyze your WLC client debugs
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Tehnic2 Vetro · ‎08-22-2023

I attach the log file for Cisco AIR-AP1852E-E-K9.

marce1000 · ‎08-22-2023

- Try factory reset of the AP , if the same log type is seen afterwards , then the AP might have a hardware problem and needs replacement (RMA) ,

M.

-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '