[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

[Peter Maydell]

Thanks for that test case; unfortunately it works fine for me (both with
current git master and with commit b66e10e4c9ae7384).

Can you tell me what host machine you're running this on, and in
particular whether it is 32 bit or 64 bit? Commit b66e10e4c9ae7384 will
fix this hang for x86-64 (64-bit intel) hosts, but it will only be fixed
for 32-bit intel hosts by commit 3e904d6ade7 (which also fixes this for
aarch64, arm, ppc64 and s390x hosts).

If you are using a 32-bit x86 host that would explain the failure-vs-
success that you report in comment #56. I suspect from looking at the
qemu binaries that were in your test case tarball that you are using
32-bit.

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https://bugs.launchpad.net/bugs/955379

Title:
  cmake hangs with qemu-arm-static

Status in QEMU:
  Fix Committed
Status in Linaro QEMU:
  Confirmed
Status in qemu-linaro package in Ubuntu:
  Confirmed

Bug description:
  I'm using git commit 3e7ecd976b06f... configured with --target-list
  =arm-linux-user --static in a chroot environment to compile some
  things. I ran into this problem with both pcl and opencv-2.3.1. cmake
  consistently freezes at some point during its execution, though in a
  different spot each time, usually during a step when it's searching
  for some libraries. For instance, pcl most commonly stops after:

  [snip]
  -- Boost version: 1.46.1
  -- Found the following Boost libraries:
  --   system
  --   filesystem
  --   thread
  --   date_time
  -- checking for module 'eigen3'
  --   found eigen3, version 3.0.1

  which is perplexing because it freezes after finding what it wants,
  not during the search. When it does get past that point, it does so
  almost immediately but freezes somewhere else.

  I'm using 64-bit Ubuntu 11.10 with kernel release 3.0.0-16-generic
  with an Intel i5.

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