https://bugzilla.kernel.org/show_bug.cgi?id=215906 --- Comment #25 from Rolf Reintjes (lists.rolf@xxxxxxxxxxxx) --- (In reply to Michał Pecio from comment #24) > Maybe debugfs is not mounted. Try > mount -t debugfs none /sys/kernel/debug root@i7-5820K-debian-testing1:/sys/kernel/debug/usb/xhci/0000:05:00.0# ls -l reg-op -r--r--r-- 1 root root 0 23. Dez 13:10 reg-op The file is empty. -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.