Does this bug related to this? bug #1697882....

Because I disabled 95_hide_x11_sessions_with_nvidia_kms.patch and
everything started working well.

On non-nvidia machine, non-hybrid machine, when I try live iso,

a) Ubuntu logs into wayland
b) Ubuntu-on-xorg logs into xorg as expected.

I don't like the check that patch implements. It manually checks for
modules in "/proc/modules"


is_module_loaded (const char *module) {
.....
..... 

const char        *modules_file = "/proc/modules";

file = fopen (modules_file, "r");
if (!file) {
     g_debug ("Failed to parse %s\n", modules_file);
     return status;
}


And my guess is for some reason it fails to detect intel for hybrid machine at

/* Let's leave hybrid graphics alone */
 if (is_module_loaded ("i915")) {
         g_debug ("is_nvidia_kms_available: Intel detected, doing nothing.\n");
         goto end;
 }


But then it could be just me. Does disabling the above patch solve the problem?

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https://bugs.launchpad.net/bugs/1705157

Title:
  "Ubuntu" and "Ubuntu on Xorg" randomly start the same session (maybe
  Wayland maybe Xorg)

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