[Qemu-devel] [Bug 1216368] [NEW] unsupported screen resolution crashes sdl-qemu

[Sascha Krissler]

Public bug reported:

if the (windows) guest sets a screen resolution that the SDL backend does not 
support,
qemu does an exit(1).
with this fix, the the resolution is still wrong (only part of the desktop is 
displayed),
but qemu keeps running and the guest can auto-revert the video mode:

ui/sdl.c:do_sdl_resize()
    SDL_Surface * tmp_screen;
    tmp_screen = SDL_SetVideoMode(width, height, bpp, flags);
    if (!tmp_screen) {
//      fprintf(stderr, "Could not open SDL display (%dx%dx%d): %s\n", width, 
//              height, bpp, SDL_GetError());
//      exit(1);
    } else {
        real_screen = tmp_screen;
    }

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1216368

Title:
  unsupported screen resolution crashes sdl-qemu

Status in QEMU:
  New

Bug description:
  if the (windows) guest sets a screen resolution that the SDL backend does not 
support,
  qemu does an exit(1).
  with this fix, the the resolution is still wrong (only part of the desktop is 
displayed),
  but qemu keeps running and the guest can auto-revert the video mode:

  ui/sdl.c:do_sdl_resize()
      SDL_Surface * tmp_screen;
      tmp_screen = SDL_SetVideoMode(width, height, bpp, flags);
      if (!tmp_screen) {
  //      fprintf(stderr, "Could not open SDL display (%dx%dx%d): %s\n", width, 
  //              height, bpp, SDL_GetError());
  //      exit(1);
      } else {
          real_screen = tmp_screen;
      }

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