Изменён алгоритм получения текущего разрешения для X

pym/install/variables/X11.py

@@ -133,16 +133,27 @@ class VariableOsInstallX11Resolution(ResolutionVariable):
     X.org resolution
     """
     fallback_resolution = "1024x768"
+    FBIOGET_VSCREENINFO = 0x4600
+
+    def framebuffer_resolution(self):
+        try:
+            fbdev = os.open('/dev/fb0', os.O_RDONLY)
+            data = fcntl.ioctl(fbdev, self.FBIOGET_VSCREENINFO, " " * 8)
+            res = struct.unpack("II", data)
+            return "%sx%s" % (res[0], res[1])
+        except (IOError, OSError):
+            pass
+        return ""
 
     def get(self):
         # get resolution from xorg.log
-        for vn in ('install.os_install_x11_resolution_preferred',
-                   'install.os_install_fb_resolution'):
-            res = self.Get(vn)
-            if res:
-                return res
-        else:
-            return self.fallback_resolution
+        res = self.Get('install.os_install_x11_resolution_preferred')
+        if res:
+            return res
+        res = self.framebuffer_resolution()
+        if res:
+            return res
+        return self.fallback_resolution
 
 class VariableOsInstallX11VideoAvailable(VideoVariable):
     """