Turns out not to be the kernel in my case, but udisks-daemon which is doing the persistent polling of the non-existent GTP on the bad sector, and thus severly retarding boot times and performance.
I've filed a bug on that:
https://bugs.launchpad.net/ubuntu/+source/udisks/+bug/946565
Turns out not to be the kernel in my case, but udisks-daemon which is doing the persistent polling of the non-existent GTP on the bad sector, and thus severly retarding boot times and performance.
I've filed a bug on that:
https:/ /bugs.launchpad .net/ubuntu/ +source/ udisks/ +bug/946565