Subject: kern/21906: pci_dma64_available() isn't quite right
To: None <gnats-bugs@gnats.netbsd.org>
From: None <thorpej@shagadelic.org>
List: netbsd-bugs
Date: 06/16/2003 13:24:02
>Number: 21906
>Category: kern
>Synopsis: pci_dma64_available() isn't quite right
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Mon Jun 16 20:25:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator: Jason R Thorpe
>Release: NetBSD 1.6P
>Organization:
Wasabi Systems, Inc.
>Environment:
>Description:
The pci_dma64_available() function is close, but not quite
right. In particular, it will fail if a system has < 4G of
RAM, but some of that RAM is physically mapped above the 4G
address boundary.
I know of at least one system where this could be the case
(the system is not available publicly at this time, sorry).
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: