I also built a test kernel up to commit 3840ed9 again. This kernel should fix the bug since it's the last commit added by by the merge base:
commit e63a94f12b5fc67b2b92a89d4058e7a9021e900e tree 9fddf35df3289bd41c2310937bf2faed4d036603 parent 1a3b85ea36d38d5732fdd86b321b10bcaeb53512 parent 3840ed9548f778717aaab5eab744da798c3ea055 author Linus Torvalds <torva...@linux-foundation.org> 1504632648 -0700 committer Linus Torvalds <torva...@linux-foundation.org> 1504632648 -0700 mergetag object 3840ed9548f778717aaab5eab744da798c3ea055 type commit tag tty-4.14-rc1 tagger Greg Kroah-Hartman <gre...@linuxfoundation.org> 1504542898 +0200 TTY/Serial updates for 4.14-rc1 The merge has commit 1a3b85ea as the first parent and commit 3840ed9 as the second parent, so all the commits added by the merge should be between these two commits. git describe --contains 1a3b85e v4.14-rc1~150 git describe --contains 3840ed9 v4.14-rc1~149^2 And the merge: git describe --contains e63a94f v4.14-rc1~149 If a test kernel up to commit e63a94f fixes the bug, then a test kernel up to commit 3840ed9 should as well. If it does not, then I'll have to dig much deeper. Commit e63a94f is a child of commit 3840ed9: commit 3840ed9548f778717aaab5eab744da798c3ea055 Author: Miodrag Dinic <miodrag.di...@imgtec.com> 2017-08-29 09:53:20 Committer: Greg Kroah-Hartman <gre...@linuxfoundation.org> 2017-08-31 12:58:45 Parent: 7157d2be23da9f8860c69e2b79184a4e02701dad (tty: goldfish: Use streaming DMA for r/w operations on Ranchu platforms) Child: e63a94f12b5fc67b2b92a89d4058e7a9021e900e (Merge tag 'tty-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty) Branches: master, remotes/next/akpm, remotes/next/akpm-base, remotes/next/master, remotes/next/stable, remotes/origin/master Follows: v4.13-rc5 Precedes: v4.14-rc1 tty: goldfish: Implement support for kernel 'earlycon' parameter Test kernels can be found at: 3840ed9: http://kernel.ubuntu.com/~jsalisbury/lp1724911/3840ed9/ e63a94f: http://kernel.ubuntu.com/~jsalisbury/lp1724911/e63a94f/ 7157d2b: http://kernel.ubuntu.com/~jsalisbury/lp1724911/7157d2b/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1724911 Title: text VTs are unavailable on desktop after upgrade to Ubuntu 17.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1724911/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs