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[Bug 690370] Re: Strange out of memory on pandaboard

To: tiomap-dev@xxxxxxxxxxxxxxxxxxx
From: Matt Zimmerman <mdz-ubuntu@xxxxxxxxx>
Date: Sat, 29 Dec 2012 18:00:38 -0000
Reply-to: Bug 690370 <690370@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

I no longer have this problem with ubuntu-12.04-preinstalled-server-
armhf+omap4.img.gz

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Title:
  Strange out of memory on pandaboard

Status in “linux-ti-omap4” package in Ubuntu:
  Incomplete

Bug description:
  A GCC trunk bootstrap fails with:

  gcc   -g -fkeep-inline-functions -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Wold-style-definition -Wc++-compat -fno-common  -DHAVE_CONFIG_H -DGENERATOR_FILE  -o build/gengtype \
  	    build/gengtype.o build/errors.o build/gengtype-lex.o build/gengtype-parse.o build/gengtype-state.o build/version.o ../build-armv7l-unknown-linux-gnueabi/libiberty/libiberty.a
  /bin/bash ../../trunk/gcc/../move-if-change tmp-gi.list gtyp-input.list
  echo timestamp > s-gtyp-input
  build/gengtype  \
                      -S ../../trunk/gcc -I gtyp-input.list -w gtype.state
  build/gengtype  \
                      -r gtype.state

  out of memory allocating 4072 bytes after a total of 199240912 bytes
  make[3]: *** [s-gtype] Error 1
  make[3]: Leaving directory `/home/guerby/build/gcc'
  make[2]: *** [all-stage1-gcc] Error 2
  make[2]: Leaving directory `/home/guerby/build'
  make[1]: *** [stage1-bubble] Error 2
  make[1]: Leaving directory `/home/guerby/build'
  make: *** [bootstrap] Error 2

  real	8m9.482s
  user	4m0.680s
  sys	1m37.547s

  Looking at top at the time of failure:

  Mem:    681844k total,   368152k used,   313692k free,     6076k buffers
  Swap:        0k total,        0k used,        0k free,   240456k cached

  /home is mounted over NFS, swap is commented out, make bootstrap after
  a clean boot, /etc/rc.local has:

  sysctl -w vm.overcommit_memory=2
  echo 0 > /proc/sys/kernel/randomize_va_space

  In a different situation, with mem=768M in a previous test I got various issues reported in /var/log/messages
  copy here: wget http://guerby.org/ftp/messages-pandaboard

  rsalveti asked me to open a report.

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