https://bugzilla.kernel.org/show_bug.cgi?id=216282 --- Comment #10 from Alan Stern (stern@xxxxxxxxxxxxxxxxxxx) --- Your system probably didn't mount debugfs for you. You'll have to do: mount -t debugfs none /sys/kernel/debug first. -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.