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Re: Postfix fails after upgrade from bullseye to bookworm



On 21/01/2023 01:55, Charles Curley wrote:

root@white:~# ps aux | grep -i openssl
root      4586  5.8  0.9   8256  2064 pts/3    S+   11:48   0:00 grep --colour=auto -i openssl
root      4587  150  2.1   8888  4720 ?        R    11:48   0:00 /usr/bin/openssl x509 -subject_hash_old -fingerprint -noout -in QuoVadis_Root_CA_2.pem
...> I have no idea what that's about. Maybe someone with SSL experience can
chime in here?

Delays related to cryptography may be caused by lack of entropy. You may try to check

cat /proc/sys/kernel/random/entropy_avail

and

ls -l /proc/<PID>/fs

when such delay happens. Some network activity may increase entropy enough to unblock reading random bytes. If my guess is correct then the issue may be alleviated by installing the haveged package. VMs are affected more than hosts.



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