Bug#865423: gst-rtsp-server1.0: testsuite emits large amounts of multicast traffic

James Cowgill jcowgill at debian.org
Wed Jun 21 10:47:19 UTC 2017

Source: gst-rtsp-server1.0
Version: 1.12.1-1
Severity: serious
Justification: Policy 4.9
Control: found -1 1.10.4-1

[I know this particular bit of policy is bit contentious. You can
downgrade this bug if you want]


While running the testsuite, the "gst/rtspserver" test emits about 200k
UDP packets into the local network. They are all sent to a multicast
address which will be forwarded to the router for the current subnet and
then probably dropped (since no-one else should be in the chosen
multicast group). This violates Policy 4.9 which states "For packages in
the main archive, no required targets may attempt network access."

On a related note, this does seem to be the cause of losing all the mips
buildds at AQL recently. The multicast traffic seems to trip the
protection mechanisms at AQL and so the router disables the Debian rack
to "protect" the rest of the network. There was a firewall rule to
prevent this, but there was a typo in it so it didn't work this time.

It is likely this package will be blacklisted on mips* until this bug is


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