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[Bug 707047] Re: Only half of RAM useable when using Device Tree on Panda board

 

** Changed in: u-boot-linaro
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/707047

Title:
  Only half of RAM useable when using Device Tree on Panda board

Status in Linaro Image Tools:
  Fix Released
Status in Linaro Ubuntu Evaluation Builds:
  Fix Released
Status in Linaro U-Boot:
  Fix Released
Status in “linux-linaro-omap” package in Ubuntu:
  Triaged

Bug description:
  the panda board has 1 Gig of RAM.

  Only half of it is being mapped by the kernel.

  top - 17:50:26 up  1:33,  2 users,  load average: 0.00, 0.01, 0.29
  Tasks:  71 total,   1 running,  70 sleeping,   0 stopped,   0 zombie
  Cpu(s):  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
  Mem:    459704k total,   389956k used,    69748k free,    46128k buffers
  Swap:        0k total,        0k used,        0k free,   303232k cached

  root@localhost:~# cat /proc/meminfo 
  MemTotal:         459704 kB
  MemFree:           69780 kB
  Buffers:           46128 kB

  ...

  I've heard there might be issues involving high mem however I have not
  personally looked into that. For natty this should be addressed. We
  should be able to utilize 768M without running afoul of highmem
  shouldn't we?

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