Reprobing of devices after module load?

Warner Losh imp at
Mon Nov 21 17:15:23 UTC 2011

On Nov 21, 2011, at 9:26 AM, John Baldwin wrote:

> On Friday, November 18, 2011 11:48:20 am Paul B. Mahol wrote:
>> Hi,
>> Is there nice way in FreeBSD to force reprobe of devices for specific
>> driver like it is done when kernel module is loaded (via
>> DRIVER_MODULE(...) stuff)?
> Note that those probes happen for specific buses rather than for specific 
> drivers.  The routine that does this currently is static 
> (devclass_driver_added() in sys/kern/subr_bus.c).  What specific problem are 
> you trying to solve?  You might be able to use BUS_DRIVER_ADDED() or 
> device_probe_and_attach() to achieve what you are trying to do.

You can load a dummy module that has an attach point to the bus that you're wanting to force a rescan on.


More information about the freebsd-current mailing list