[Bug 1375555] Re: global static TLS slot limit breaks the x86 emulator

[Gerry Boland]

QtMir is passing -fPIC as a CXXFLAG to the qml module & QPA plugin.

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https://bugs.launchpad.net/bugs/1375555

Title:
  global static TLS slot limit breaks the x86 emulator

Status in “glibc” package in Ubuntu:
  Fix Released
Status in “qtmir” package in Ubuntu:
  New
Status in “glibc” package in Fedora:
  Unknown
Status in “glibc” package in Ubuntu RTM:
  Confirmed

Bug description:
  Just create an emulator image for any image newer than 254 and you'll
  notice that the wizard will never show up, always showing a black
  screen.

  # Creating the emulator image
  sudo ubuntu-emulator create --channel=ubuntu-touch/utopic-proposed --arch=i386 test_x86 --revision=XXX (254 is the last known working one)

  From wizard:
  ====
  phablet at ubuntu-phablet:~$ cat ./.cache/upstart/ubuntu-system-settings-wizard.log 
  unity8 stop/starting
  ()
  qtmir.mir: MirServerConfiguration created
  qtmir.mir: PromptSessionListener::PromptSessionListener - this= PromptSessionListener(0x9ff9384)
  qtmir.mir: SessionListener::SessionListener - this= SessionListener(0x9ffa1a4)
  qtmir.mir: MirPlacementStrategy::MirPlacementStrategy
  qtmir.sensor: Screen - nativeOrientation is: 1
  qtmir.sensor: Screen - initial currentOrientation is: 1
  QtCompositor::setAllWindowsExposed true
  file:///usr/share/ubuntu/settings/wizard/qml/main.qml:21:1: plugin cannot be loaded for module "Unity.Application": Cannot load library /usr/lib/i386-linux-gnu/qt5/qml/Unity/Application/libunityapplicationplugin.so: (dlopen: cannot load any more object with static TLS) 
       import Unity.Application 0.1 
       ^
  DisplayWindow::DisplayWindow
  Window 0xa0d8ec8: 0xa04a498 0x1

  createPlatformOpenGLContext QOpenGLContext(0xa0dad28)
  unity8 stop/starting
  ()
  ====

  If you create an image based on 254 and update only qtmir it's already
  possible to reproduce the issue.

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