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[Bug 893566] Re: [regression] TI LT kernel only sees 638MB of RAM out of 1GB on the PandaBoard with device tree

To: tiomap-dev@xxxxxxxxxxxxxxxxxxx
From: Ricardo Salveti <rsalveti@xxxxxxxxxxxx>
Date: Wed, 21 Dec 2011 04:07:52 -0000
Reply-to: Bug 893566 <893566@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: linaro-ubuntu
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/893566

Title:
  [regression] TI LT kernel only sees 638MB of RAM out of 1GB on the
  PandaBoard with device tree

Status in Linaro Texas Instruments Landing Team:
  Fix Released
Status in Linaro Ubuntu Evaluation Builds:
  Fix Released

Bug description:
  The subject is self-explanatory.

  $ uname -a
  Linux JLefort-pb 3.1.0-1401-linaro-lt-omap #3~ppa~oneiric-Ubuntu SMP PREEMPT Wed Oct 26 04:41:18 UTC 2011 armv7l armv7l armv7l GNU/Linux
  $ cat /proc/cmdline
  console=tty0 console=ttyO2,115200n8  root=UUID=2b44836f-a2ad-471d-8ede-a127935aa90c rootwait ro earlyprintk fixrtc nocompcache vram=48M omapfb.vram=0:24M mem=456M@0x80000000 mem=512M@0xA0000000
  $ cat /proc/meminfo

  MemTotal:         653720 kB
  MemFree:          205772 kB
  Buffers:           19536 kB
  Cached:           308524 kB
  SwapCached:            0 kB
  Active:           207712 kB
  Inactive:         162636 kB
  Active(anon):      42972 kB
  Inactive(anon):      140 kB
  Active(file):     164740 kB
  Inactive(file):   162496 kB
  Unevictable:           0 kB
  Mlocked:               0 kB
  HighTotal:             0 kB
  HighFree:              0 kB
  LowTotal:         653720 kB
  LowFree:          205772 kB
  SwapTotal:             0 kB
  SwapFree:              0 kB
  Dirty:                 0 kB
  Writeback:             0 kB
  AnonPages:         42232 kB
  Mapped:            36428 kB
  Shmem:               824 kB
  Slab:              27320 kB
  SReclaimable:      16252 kB
  SUnreclaim:        11068 kB
  KernelStack:        1624 kB
  PageTables:         2916 kB
  NFS_Unstable:          0 kB
  Bounce:                0 kB
  WritebackTmp:          0 kB
  CommitLimit:      326860 kB
  Committed_AS:     467268 kB
  VmallocTotal:     122880 kB
  VmallocUsed:       26024 kB
  VmallocChunk:      82008 kB

  The SD card image was generated using the instructions found there:

    http://releases.linaro.org/11.10/ubuntu/leb-panda/

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