Re: [PATCH 46/61] fix Intel RNG detection

[Dave Jones]

On Tue, Oct 31, 2006 at 09:34:26PM -0800, Chris Wright wrote:
 
 > From: Jan Beulich <jbeulich@xxxxxxxxxx>
 > 
 > [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 <jbeulich@xxxxxxxxxx>
 > Signed-off-by: Michael Buesch <mb@xxxxxxxxx>
 > Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
 > Signed-off-by: Linus Torvalds <torvalds@xxxxxxxx>
 > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
 > Signed-off-by: Chris Wright <chrisw@xxxxxxxxxxxx>


Since I pushed an update to our Fedora users based on 2.6.18.2, a few people
have reported they no longer have their RNG's detected.
Here's one report: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=215144

		Dave

-- 
http://www.codemonkey.org.uk
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