Symptom
After cancel show tech-support fprm detail with ctr+c, the error is happened when do dir fxos command on ASA OS.
[e.g.]
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firepower-2110(local-mgmt)# show tech-support fprm detail
firepower-2110_FPRM
The showtechsupport file will be located at workspace:/techsupport/20230404101127_firepower-2110_FPRM.tar.gz
Initiating tech-support information task on FABRIC A ...
^C
firepower-2110(local-mgmt)# exit
firepower-2110# exit
Connection with FXOS terminated.
Type help or '?' for a list of available commands.
FPR2110-ASA# dir fxos
%Error opening disk0:/fxos (Stale file handle) <<<<<<<<<<<<< Error is shown
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After about 10 minutes or more later, the device is no response which is looks freeze on console when dir fxos command or show flash: command or other show command is executed.
Then, about 20-30 minutes of freeze, the following syslog will be output.
> Apr 03 2023 17:58:20: %ASA-4-447001: ASP DP to CP ARP Event Queue was full. Queue length 2048, limit 2048
Workaround
Please don't cancel show tech-support fprm detail command with ctr+c