Reverting df438af seems to have fixed it. $ cat /proc/version_signature Ubuntu 3.2.0-86.123~lp1465322Commitdf438afReverted-generic 3.2.69
$ df | head -3 Filesystem 1K-blocks Used Available Use% Mounted on /dev/vda1 7481832 4735296 2366480 67% / udev 371924 4 371920 1% /dev -- 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/1465322 Title: regression: "df: `/sys/kernel/debug': Function not implemented" with 3.2.0-85.122 Status in linux package in Ubuntu: In Progress Bug description: $ cat /proc/version_signature Ubuntu 3.2.0-84.121-generic 3.2.68 $ df | head -3 Filesystem 1K-blocks Used Available Use% Mounted on /dev/vda1 7481832 4262872 2838904 61% / udev 371920 4 371916 1% /dev $ cat /proc/version_signature Ubuntu 3.2.0-85.122-generic 3.2.69 $ df | head -3 df: `/sys/kernel/debug': Function not implemented Filesystem 1K-blocks Used Available Use% Mounted on /dev/vda1 7481832 4263012 2838764 61% / udev 371920 4 371916 1% /dev This is confirmed in an amd64 VM and on an amd64 system. It doesn't make a difference if I use sudo. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1465322/+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
