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[Bug 1877137] Re: 32-bit Arm emulation spins at 100% during emacs build


From: Peter Maydell
Subject: [Bug 1877137] Re: 32-bit Arm emulation spins at 100% during emacs build
Date: Thu, 05 Nov 2020 10:57:32 -0000

*** This bug is a duplicate of bug 1861161 ***
    https://bugs.launchpad.net/bugs/1861161

** This bug has been marked a duplicate of bug 1861161
   qemu-arm-static stuck with 100% CPU when cross-compiling emacs

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https://bugs.launchpad.net/bugs/1877137

Title:
  32-bit Arm emulation spins at 100% during emacs build

Status in QEMU:
  New

Bug description:
  This test case exposes a QEMU bug when crossbuilding to arm32. The bug is only
  exposed on amd64 architecture or aarch64 hosts that can *only* execute
  64 bit applications.

  Usage:

  ./setup.sh # installs docker and tweaks sysctl
  ./qemu.sh # register qemu so you are able to run containers from other
  architectures
  ./build.sh # try to build the docker image. Process should get stuck
  in a 100% CPU loop after a while

  Originally reported by, and test case developed by,
  Philippe Vaucher.

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