| === StathisA- is now known as StathisA | ||
| zyga-mbp | hello, I'm having issues resolving archive URLs in Ubuntu 20.10 in GCE | 12:41 |
|---|---|---|
| zyga-mbp | http://us-east1.gce.archive.ubuntu.com/ubuntu groovy/main amd64 libthai-data returns temporary DNS failures | 12:41 |
| zyga-mbp | it started earlier today | 12:42 |
| zyga-mbp | but dose not affect 20.04 or other releases | 12:42 |
| Aison` | my postfix server always hangs for a few second when acception an mail on the submission port. | 13:57 |
| Aison` | https://paste.ubuntu.com/p/NCvrmHwkJj/ | 13:57 |
| Aison` | it looks like there is some kind of dns lookup and the answer times out | 13:57 |
| Aison` | the strange thing is, that nslookup <foobar> 127.0.0.53 is very fast | 13:58 |
| sdeziel | Aison': could you share the (main.cf and master.cf) sections of config for that submission instance? | 13:59 |
| Aison` | main.cf: https://paste.ubuntu.com/p/cVNMNKQq8S/ | 14:00 |
| Aison` | master.cf: https://paste.ubuntu.com/p/xwT2ZfnSwV/ | 14:00 |
| Aison` | sadly there is quite some virtual stuff | 14:00 |
| Aison` | but this "TIMEOUT" is very new, I suddenly started a few days ago | 14:00 |
| Aison` | the mailserver works now several years | 14:00 |
| Aison` | maybe it is somehow related to systemd-resolved? | 14:01 |
| ahasenack | I'd suspect an ipv6 dns resolution | 14:05 |
| ahasenack | I see the same with sudo on many ubuntu boxes | 14:05 |
| ahasenack | https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1765477 | 14:05 |
| ubottu | Launchpad bug 1765477 in systemd (Ubuntu) "5s delay in AAAA dns resolving; artful and earlier is quick" [Undecided,Confirmed] | 14:05 |
| ahasenack | I started seeing it in bionic | 14:06 |
| sdeziel | Aison`: the reject_unknown_sender_domain and reject_unknown_recipient_domain can be responsible for those DNS resolutions | 14:06 |
| sdeziel | Aison`: I'd advise to switch the reject_non_fqdn_sender and reject_unknown_sender_domain in mua_sender_restrictions. The reason being that reject_non_fqdn doesn't require a DNS resolution | 14:07 |
| Aison` | sdeziel, ok, going to try that later ;) but anyway, it is quite strange that it fails | 14:25 |
| Aison` | I mean the dns resolution timeout | 14:25 |
| === Wryhder is now known as Lucas_Gray | ||
| Aison` | ahasenack, I guess here its since upgrade to focal | 14:28 |
| sdeziel | Aison': I never ran into this as we run our mail server with a local unbound, worked well for us | 14:33 |
| tomreyn | zyga-mbp: 20.10 is unreleased, there's channel #ubuntu+1 for it. someone reported problems with systemd after a recent update there yesterday, *maybe* this is related (resolver not working due to bad service management?) | 17:05 |
| zyga-mbp | it is | 17:06 |
| zyga-mbp | systemd-networkd goes down during the upgrade to 246 | 17:06 |
| zyga-mbp | a systemctl reset-failed + restart fixes everything | 17:06 |
| zyga-mbp | just unfortunate, there are also bugs in systemd-logind upgrade | 17:06 |
| tomreyn | :-/ still seems like a topic for +1 rather | 17:06 |
| zyga-mbp | is +1 a channel? | 17:06 |
| zyga-mbp | ubuntu+1? | 17:06 |
| tomreyn | "there's channel #ubuntu+1 for it" | 17:07 |
| zyga-mbp | ha | 17:07 |
| tomreyn | so yes | 17:07 |
| zyga-mbp | joining | 17:07 |
| === [diablo]9 is now known as [diablo] | ||
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