[ros-bugs] [Bug 6479] ACPI HAL: incorrect amount of RAM reported

ReactOS.Bugzilla at reactos.org ReactOS.Bugzilla at reactos.org
Sun Oct 2 11:45:54 UTC 2011


http://www.reactos.org/bugzilla/show_bug.cgi?id=6479


Bblaauw <bblaauw at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|FIXED                       |




--- Comment #3 from Bblaauw <bblaauw at gmail.com>  2011-10-02 11:45:54 CET ---
(In reply to comment #2)
> Reporter reports as fixed.Closing accordingly.
> 

ACPI HAL reported "system memory minus at least 2MB". This has been
'fixed/corrected' more or less into previous behaviour of reporting 'system
memory minus 1MB'.
However this is still incorrect, unless it's a design implementation decision
(reporting only extended memory, not 1st MB).

For reference, Windows 7 64bit reports 4.00GB at my host machine, thus assuming
the full 4096MB (instead of 4095MB of XMS). 

Virtual machine gives this:  "FreeLDR (Debug)"     "System Properties"
==========================================================================
rev 29009 (ReactOS 0.3.3)        256MB                 256MB
rev 31933 (ReactOS 0.3.4)        255MB                 256MB
...
rev 41747 (ReactOS 0.3.10)       255MB                 256MB
rev 44553 (ReactOS 0.3.11)       255MB                 255MB
..
rev 53920 (Cmake/Debug)          255MB                 255MB

This was Windows 7 Ultimate x64 host, 4.00GB, running VMware Workstation 7.1.4
with a guest virtual machine (Windows XP profile) set to 256MB of system
memory.

If it's a design decision, nevermind fixing this.
If it's a bug (FreeLDR, system properties, or both), please bisect. 
If pre-built ISO's of ancient revisions are still available, I can test things
myself.


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