[Bug 58436] [GM45] System freeze when plugging/unplugging the VGA connector

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58436

--- Comment #6 from Daniel Vetter <daniel at ffwll.ch> ---
Hm, seems to be fairly garbled, which can happen if too much goes over console
and the netconsole tx/rx side gets overloaded (it doesn't resend obviously
...). It looks though as if we attempt a modeset, so new stuff for you to test:
- Maybe try to enable the netconsole only at runtime, ime that helps with such
cases (it's already garbled in early boot ...).
- Please start X with a really dumb desktop enviroment (failsafe with just a
shell) to check whether the automatic modeset is the issue, or the hotplug
handling itself. You can't just stop X, since the kms fbcon will also do an
automatic modeset.
- Please boot with VGA plugged in and enable/disable the VGA output with xrandr
manually (your DE might again get in the way, some do a lot of automagic for
display configuration).

If we're really unlucky, the above works and the kernel only dies when the
modeset follows the hotplug right away ...

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