amd64/169379: [PATCH] dtrace's timestamp variable is unreliable when the cpu goes into C3 state

[Fabian Keil]

The following reply was made to PR amd64/169379; it has been noted by GNATS.

From: Fabian Keil <fk at fabiankeil.de>
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: amd64/169379: [PATCH] dtrace's timestamp variable is unreliable
 when the cpu goes into C3 state
Date: Sun, 24 Jun 2012 23:04:25 +0200

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 Unfortunately the patch has the same issue as the one I proposed in:
 http://www.freebsd.org/cgi/query-pr.cgi?pr=3Dkern/159612
 
 In this case it causes the system to panic when using timestamp
 inside probes for "fbt::nanouptime:".
 
 Fabian
 
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