I get the following error 3 in 7 times when building Guile 2.2.4 on
Guix on Debian Buster on my Beaglebone Black (armhf architecture):

PASS: repl-server: simple expression
ERROR: repl-server: HTTP inter-protocol attack - arguments: ((system-error "fport_write" "~A" ("Datenübergabe unterbrochen (broken pipe)") (32)))

Find attached the corresponding strace created by running:

$ export GUILE_LOAD_PATH=test-suite
$ strace ./libguile/guile test-suite/tests/00-repl-server.test

Note that the test does not fail reliably but only sometimes.

Regards,
Florian