16.03.2018 20:33, Michael Thayer wrote: > Update: the Cisco client can't keep the connection with 4.13 either, so > that is probably not relevant. Further update: 4.16rc6 from Ubuntu's mainline kernel PPA also seems to work well. So the problem has only been seen on the official Ubuntu 4.15. I have not tested the Ubuntu mainline 4.15. > 16.03.2018 14:20, Michael Thayer wrote: >> Hello, >> >> This is shadowing Ubuntu launchpad bug 1754601[1]. When I boot my >> 64-bit Ubuntu 18.04 system with the default 4.15 kernel, openconnect >> connections to our company VPN quickly fail with the following in the >> output: >> >> SSL read error: Error in the pull function.; reconnecting. >> SSL negotiation with <server> >> SSL connection failure: The operation timed out >> sleep 10s, remaining timeout 300s >> SSL negotiation with <server> >> SSL connection failure: The operation timed out >> sleep 20s, remaining timeout 290 >> ... >> >> I have seen the connection recover once that I can remember after this >> failure. I can still connect when I boot into the 4.13 kernel from >> Ubuntu 17.10. The Cisco VPN client was also unable to connect under the >> 4.15 kernel, but I have not/never tried it with 4.13. >> >> [1] https://bugs.launchpad.net/ubuntu/+source/openconnect/+bug/1754601 >> >> I have GNUTLS_DEBUG_LEVEL=99 logs for both successful (4.13) and >> unsuccessful (4.15) connections. What can/should I censor from the logs >> before providing them? URLs and IPs I assume; there do not seem to be >> any "webvpn" lines in either file, nor user name or password. Is there >> anything else I can do to debug this, or is it obvious to someone? I >> also tried a rebuild with "--without-gnutls --with-openssl=yes" which >> did not seem to get be anywhere either. >> >> Many thanks. >> Regards >> Michael >> > -- Michael Thayer | VirtualBox engineer ORACLE Deutschland B.V. & Co. KG | Werkstr. 24 | D-71384 Weinstadt ORACLE Deutschland B.V. & Co. KG Hauptverwaltung: Riesstra?e 25, D-80992 M?nchen Registergericht: Amtsgericht M?nchen, HRA 95603 Komplement?rin: ORACLE Deutschland Verwaltung B.V. Hertogswetering 163/167, 3543 AS Utrecht, Niederlande Handelsregister der Handelskammer Midden-Nederland, Nr. 30143697 Gesch?ftsf?hrer: Alexander van der Ven, Jan Schultheiss, Val Maher
