[Bug 1847906] Re: Cocoa display hangs on macOS 10.15 (Catalina)

[zenojevski]

I am also affected by this after upgrading to 10.15 Catalina.

I experience the same behavior using `qemu-system-x86_64`, but I can't
confirm whether other systems are also affected.

Building with SDL also fixed it for me so far:

* `brew edit`
* add `depends_on "sdl2"` among other dependencies
* replace `--enable-cocoa` with `--disable-cocoa`
* replace `--disable-sdl` with `--enable-sdl`
* save, quit, and `brew install --build-from-source qemu`

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https://bugs.launchpad.net/bugs/1847906

Title:
  Cocoa display hangs on macOS 10.15 (Catalina)

Status in QEMU:
  New

Bug description:
  I have downloaded the latest stable source tarball 4.1.0 and compiled
  it (i386-softmmu target).

  After opening a black window, QEMU hangs (spinning beach ball).
  When building with `--disable-cocoa --enable-sdl`, display seems to work fine.

  The same happened when I tried to build QEMU through HomeBrew and
  MacPorts.

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