DragonFly BSD
DragonFly users List (threaded) for 2010-05
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Re: 2.7 amd64 Desktop issues ( mouse, RAM, perfomance etc. )


From: YONETANI Tomokazu <qhwt+dfly@xxxxxxxxxx>
Date: Fri, 14 May 2010 19:37:56 +0900

On Fri, May 14, 2010 at 03:13:17PM +0530, Siju George wrote:
> 2) Only 3GB of 4GB RAM is detected. Is there a limit?

You may have to change the BIOS setting.  Try booting other 64bit-OSes
to see if they do it better.  At least 4G is recognized on my D510MO box

$ sysctl hw.physmem hw.usermem
hw.physmem: 4262477824
hw.usermem: 3002294272

> The dmesg is here
> 
> http://pastie.org/960040

Try capturing dmesg message with boot -v; choose 4-th or so item which reads
  Boot DragonFly with verbose logging
in the boot menu.  You'll get something like the following at the beginning
of your dmesg message.

  real memory  = 5100273664 (4864 MB)
  Physical memory chunk(s):
  0x00001000 - 0x0008afff, 565248 bytes (138 pages)
  0x00090000 - 0x0009dfff, 57344 bytes (14 pages)
  0x00f06000 - 0xceebcfff, 3455807488 bytes (843703 pages)
  0xceebf000 - 0xcef40fff, 532480 bytes (130 pages)
  0xcefbf000 - 0xceff0fff, 204800 bytes (50 pages)
  0xcefff000 - 0xceffffff, 4096 bytes (1 pages)
  0x100000000 - 0x12ffeffff, 805240832 bytes (196592 pages)
  avail memory = 3986452480 (3801 MB)

Cheers.



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