What is loading/using module hw_random?

Dave Jones davej at redhat.com
Wed Jun 22 16:39:08 UTC 2005


On Wed, Jun 22, 2005 at 07:07:21AM -0400, Steve Snyder wrote:
 > What process is causing the hw_random driver to load?  To the best of my
 > knowedge my hardware (see lspci output below) doesn't support a hardware
 > RNG.  I don't see the driver explicitly loaded anywhere.

Some Intel ICH chipsets have hardware rng. It's being loaded because
the driver has the PCI IDs embedded in it, which match your
hardware. (modinfo hw_random to see these).

 > This is with the current FC4 kernel (2.6.11-1.1369_FC4smp) .
 > 
 > Also, what processes and/or applications make use of this device
 > (if it exists)?

rngd will read from /dev/hw_random if it can be opened iirc.

		Dave




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