On Thu 2018-12-13 13:58:39, Sergey Senozhatsky wrote: > LKP has hit yet another circular locking dependency between uart > console drivers and debugobjects [1]: > > The patch fixes transmit buffer page free() in uart_shutdown() and, > additionally, in uart_port_startup() (as was suggested by Dmitry Safonov). > > [1] https://lore.kernel.org/lkml/20181211091154.GL23332@shao2-debian/T/#u > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx> Reviewed-by: Petr Mladek <pmladek@xxxxxxxx> Best Regards, Petr