Hello, I found a bug in the driver tps65217, the following log reveals it: [ 53.301059] remove_proc_entry: removing non-empty directory 'irq/1', leaking at least 'i8042' [ 53.301774] WARNING: CPU: 0 PID: 305 at fs/proc/generic.c:717 remove_proc_entry+0x389/0x3f0 [ 53.304647] RIP: 0010:remove_proc_entry+0x389/0x3f0 [ 53.308912] Call Trace: [ 53.309044] <TASK> [ 53.309158] unregister_irq_proc+0x14c/0x170 [ 53.309377] irq_free_descs+0x94/0xe0 [ 53.309777] tps65217_remove+0x117/0x280 [tps65217] Regards, Zheyu Ma