Nouveau - May 2017 - [Bug 101220] xorg-server-1.19.3 crashes when trying to enable HDMI output

https://bugs.freedesktop.org/show_bug.cgi?id=101220

--- Comment #13 from Pacho Ramos <pachoramos1 at gmail.com> ---
(In reply to Ilia Mirkin from comment #12)
> (In reply to Pacho Ramos from comment #11)
> > I don't use any initrd... I could rely on CONFIG_EXTRA_FIRMWARE...
but I
> > thought I didn't need that as nouveau is compiled as a module and
not into
> > the kernel :|
> 
> OK, well if modules are loaded off the FS and not initrd, then you're
good
> on that front, assuming you really do have the updated linux-firwmare
(April
> 4 or later --
>
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/
> commit/?id=b14134583c2a15d4404695f72cb523daedb877ab). Lots of people use
> initrd without understanding how it works.
Yeah, my linux-firmware snapshot is the one up to
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=df40d15d6ad617e72ce7ea00b91d9117d92dcccc
> 
> So there are two issues here...
> 
> #1: we should probably disable reverse prime if you don't have
acceleration
> (or figure out how to make it work without accel... should just be a very
> slow memcpy away... not great, but better than a non-working screen)
> 
> #2: we should figure out what's going on with accel on your GP107 --
looks
> like stuff is just hanging (that's the "timeout" messages you
see, we're
> waiting for some condition to become true, and it never does).
> 
> I can help with the former, and hopefully Ben Skeggs can investigate the
> latter.
Great, thanks a lot:)

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