This appears to be the same as Debian bug #478062, which mentions a workaround in the form of disabling the TCP F-RTO congestion algorithm via sysctl.
Yes, this may be a kernel bug; or it may be a CUPS bug, or a bug in whatever print server is being written to. More information is still needed here to ensure the problem is fixed appropriately. -- CUPS does not print to LPD printer https://bugs.launchpad.net/bugs/213081 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs