As discussed with cascardo I tested the mainline builds from [1]. After some tests the results were: v4.12.14 - good v4.13 - bad
So the regression seems to be introduced in v4.13. [1] http://kernel.ubuntu.com/~kernel-ppa/mainline/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1746482 Title: mount.cifs stopped working with protocol version != 1.0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1746482/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs