Hi A.M.,
Actually it looks like the reason for this installation failure was due
to your system running out of memory. You can see in the dmesg that OOM
killer got triggered:
[10085.090765] Out of memory: Kill process 962 (mysqld) score 432 or sacrifice
child
[10085.097674] Killed process 962 (mysqld) total-vm:1321908kB,
anon-rss:434336kB, file-rss:0kB, shmem-rss:0kB
[10085.738134] oom_reaper: reaped process 962 (mysqld), now anon-rss:0kB,
file-rss:0kB, shmem-rss:0kB
I'm not sure if that happened before, during, or after the spamassassin
upgrade, but in any case when a system is at a point where its memory is
exhausted, misbehaviors can show up all throughout the system. The gpg
error message is just gpg behaving properly - noticing there's no memory
to work with, and exiting with an appropriate error message. Presumably
apt needed gpg to process the spamassassin installation, and had to
escalate the error when gpg didn't work.
The actual defect is in whatever process exhausted memory. Quite often
this is not the software that noticed the low memory and generated the
error or crash, but rather some other software running prior to or in
parallel, that did not check the memory or else was operating in an
overloaded state. I can't make a guess at what that might be based on
your logs, however I do see that OOM killer chose to kill mysql since it
was the heaviest memory user at the time, so that might be the thing to
look at.
Sorry we didn't respond to this bug report earlier, somehow it slipped
through the cracks. Presumably you've resolved and moved on from this
problem (guessing you rebooted and didn't see it after that.) However,
if you have had recurrences of it this feel free to re-open (or file a
new bug report and link this one there) and we can investigate further.
** Changed in: spamassassin (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1892289
Title:
package spamassassin 3.4.4-1ubuntu1 failed to install/upgrade:
installed spamassassin package post-installation script subprocess
returned error exit status 12
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