Hi Andreas,

It uses the routine above it at line 114, that prints, for me
"debug: creating udp6 socket ::1 1234"
and several lines, with one per interface that is used. That needs verbosity 4 or higher, and that is the VERB_ALGO log level.

It prints this at startup, does it also print that for you? If it prints the correct address there then why not later, perhaps use a tool like valgrind or ggc's address sanitizer to see how it can be modified in the meantime.

Best regards, Wouter

On 3/15/24 21:29, A. Schulze wrote:


Am 15.03.24 um 13:45 schrieb Wouter Wijngaards:
I cannot reproduce it, but I have what may be a fix in commit
https://github.com/NLnetLabs/unbound/commit/2993437eaaf0328feb2cd90cf04582506e93d3cc

applied the patch on top of 1.19.3 release (not github head) but it does not change things.

I noted line 147 in services/listen_dnsport.c is a log_info. I thought, I modify the text to clearly mark for myself, the patch is applied. But unbound -c /tmp/unbound.conf -v -v -v -v -v 2>&1 | grep "fam is" do not output anything... Also not a 'verbosity: 9' in /tmp/unbound.conf an 'unbound -c /tmp/unbound.conf 2>&1 | grep 'fam is'

what is (verbosity >= VERB_ALGO)?


Andreas

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