I believe this is related to AES-NI. For testing, could you please try setting the following environment variable to disable AES-NI before launching your irc client from the command line:
export OPENSSL_ia32cap=~0x200000200000000 ** Bug watch added: OpenSSL RT #3002 http://rt.openssl.org/Ticket/Display.html?id=3002 ** Also affects: openssl via http://rt.openssl.org/Ticket/Display.html?id=3002 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1133333 Title: SSL read error: decryption failed or bad record mac To manage notifications about this bug go to: https://bugs.launchpad.net/openssl/+bug/1133333/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs