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[Qemu-devel] [Bug 798258] Re: System hang when compiling QEMU on ARM hos


From: Peter Maydell
Subject: [Qemu-devel] [Bug 798258] Re: System hang when compiling QEMU on ARM host
Date: Thu, 16 Jun 2011 16:13:53 -0000

This is a gcc bug (fixed in newer versions of gcc), which causes it to use much 
more memory than it should do when compiling certain files. You can work around 
it by configuring with
 ./configure --extra-cflags=-fno-var-tracking
(this will result in worse debugging information, but if you want to debug qemu 
then you should probably not be building with optimisation anyway).


** Changed in: qemu
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/798258

Title:
  System hang when compiling QEMU on ARM host

Status in QEMU:
  Invalid

Bug description:
  Configuration:
  Ubuntu 10.10
  Linux 2.6.32.9
  GCC 4.4.5
  Host is based on ARM7 Processor (Qualcomm Snapdragon QSD8250)

  ------------------------
  ./configure
  make

  After the lines
  ...
  i386-softmmu/translate.o

  The system is completely freezes

  I guess that GCC uses all the memory?
  In what may be the reason for freezing?
  Thank you!

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