I just did a brief check on an Artful install based on the daily image from the 22nd and it looks like it's indeed already enabled:
ubuntu@s1lp11:/$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu Artful Aardvark (development branch) Release: 17.10 Codename: artful ubuntu@s1lp11:/$ uname -r 4.13.0-11-generic ubuntu@s1lp11:/$ grep CONFIG_DEBUG_FS /boot/config-4.13.0-11-generic CONFIG_DEBUG_FS=y ** Changed in: ubuntu-z-systems Status: New => Triaged -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1719290 Title: CONFIG_DEBUG_FS is not enabled by "make zfcpdump_defconfig" with Ubuntu 17.10 (kernel 4.13) Status in Ubuntu on IBM z Systems: Triaged Status in linux package in Ubuntu: Triaged Status in linux source package in Artful: Triaged Bug description: Ubuntu 17.10 uses kernel 4.13. We just found out that on this kernel version CONFIG_DEBUG_FS is not enabled by "make zfcpdump_defconfig". This makes zfcpdump fail with the following error message: ERROR: Unable to mount debugfs No such file or directory Patch solving this problem is attached As reference following bugzilla As reference h IBM bugzilla for enabling zfcpdump: https://bugzilla.linux.ibm.com/show_bug.cgi?id=139974 or Launchpad https://bugs.launchpad.net/ubuntu/+source/s390-tools/+bug/1565841 == Comment: #1 - Heinz-Werner Seeck <heinz-werner_se...@de.ibm.com> - 2017-09-25 06:00:23 == To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1719290/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp