https://bz.apache.org/SpamAssassin/show_bug.cgi?id=8201
--- Comment #10 from Sidney Markowitz <sid...@sidney.com> --- I instrumented dnsbl.t to dump the log files on failure. I didn't try for VERBOSE=1 to see -D output, as that is more massive than I want to have all the test machines produce when the test doesn't fail. What I could see from the log files on failed tests was consistent with occasional dns query responses being dropped. I have a suspicion that some of the DNS servers are using EDNS0 jumbo UDP packets and that the Windows machines are not handling them well. The changelist for Net::DNS 1.41 that recently was released to fix the problem with Windows we saw since version 1.38 also mentions a fix to inbound jumbo UDP packets. I am trying a change now that makes Net::DNS 1.41 the minimum required when running on Windows. After that has time to be picked up and run on the Windows test machines on CPAN I'll try another test that when running on Windows adds dns_options noedns to the various tests that have been failing with this. I've already verified that in the VM network configuration I had which failed hashbl.t with the bgread errors, setting dns_options noedns makes those errors go away. -- You are receiving this mail because: You are the assignee for the bug.
