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SubjectRe: [PATCH 46/61] fix Intel RNG detection
On Tue, Oct 31, 2006 at 09:34:26PM -0800, Chris Wright wrote:

> From: Jan Beulich <>
> [PATCH] fix Intel RNG detection
> Previously, since determination whether there was an Intel random number
> generator was based on a single bit, on systems with a matching bridge
> device but without a firmware hub, there was a 50% chance that the code
> would incorrectly decide that the system had an RNG. This patch adds
> detection of the firmware hub to better qualify the existence of an RNG.
> There is one issue with the patch: I was unable to determine the LPC
> equivalent for the PCI bridge 8086:2430 (since the old code didn't care
> about which of the many devices provided by the ICH/ESB it was chose to use
> the PCI bridge device, but the FWH settings live in the LPC device, so the
> device list needed to be changed).
> Signed-off-by: Jan Beulich <>
> Signed-off-by: Michael Buesch <>
> Signed-off-by: Andrew Morton <>
> Signed-off-by: Linus Torvalds <>
> Signed-off-by: Greg Kroah-Hartman <>
> Signed-off-by: Chris Wright <>

Since I pushed an update to our Fedora users based on, a few people
have reported they no longer have their RNG's detected.
Here's one report:


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