On 12/06/17 10:18 PM, Greg Kroah-Hartman wrote: > What test causes so many major numbers to be allocated? Is this > in-kernel test code? Do you really have a system that requires so many > different drivers that all want a dynamic char major? This is a 0day kernel robot test. I'm not sure the motivations of its design but it seems to be similar to an allyesconfig. So all/most modules are compiled in and allocating their char device regions on boot of a qemu instance. Logan