Hi Adam, On Fri, May 19, 2017 at 05:37:29AM +0200, Adam Borowski wrote: > [ 13.644399] WARNING: CPU: 0 PID: 2304 at fs/super.c:1281 super_setup_bdi_name+0xb9/0xd0 It was fixed recently. The fix is already in Jens tree: http://git.kernel.dk/cgit/linux-block/commit/?h=for-linus&id=69c8ebf83213e6165b13d94ec599b861467ee2dc Best regards, Rakesh