What is the consequence for 'error sending response: would block' log message

Vladimir Nikolic via bind-users <[email protected]> Thu, 08 Jan 2026 09:48:54 +0000
Newsgroups gmane.network.dns.bind9.user
Message-ID <8480372aa92020d849d6817e267b34f9__37195.1618160651$1767865759$gmane$org@nikolic.si>
Hi,

We are observing this message on some of our BIND resolvers.
What exactly happens with the query response when this happens:
- is it silently dropped
- is it delayed until there's some free space in the send buffer (udp 
socket)
- something third

Thanks,
Vladimir
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