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

[Janne Karhunen <955379@bugs.launchpad.net>]

Just out of interest tried how far the timeout hackery can go working
around the issue. Well, looks like it goes quite far: having previously
reproduced the hang in 4-5 runs and in under a minute, now have had this
running without a hang for an hour. I will also test the patch under OBS
worker(s) and if it solves the issue there as well, I will attach it as
a workaround for time being for those interested. However, Peter is
right and this is not a final solution of any kind: just a workaround.

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

Title:
  cmake hangs with qemu-arm-static

Status in QEMU:
  Confirmed
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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