Date: Tue, 20 Feb 2018 18:51:55 +0100
From: Natanael Copa <ncopa@alpinelinux.org>
To: Steffen Nurpmeso <steffen@sdaoden.eu>
Cc: alpine-devel@lists.alpinelinux.org
Subject: Re: [alpine-devel] 4.14.18-vanilla breaks framebuffer console on
 QEMU VMware
Message-ID: <20180220185155.42f9cd24@ncopa-desktop.copa.dup.pw>
In-Reply-To: <20180210221400.LquGt%steffen@sdaoden.eu>
References: <20180210221400.LquGt%steffen@sdaoden.eu>
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On Sat, 10 Feb 2018 23:14:00 +0100
Steffen Nurpmeso <steffen@sdaoden.eu> wrote:

> Hello!
> 
> So i have switched the server to 4.14.18 which does not even
> require nopti there, but the console does not show up.
> It happens that this is a known issue [1,2,3].  The conclusion of
> [3] was

What hardware is it?

>   I disabled CONFIG_FB_SIMPLE and CONFIG_X86_SYSFB for now on master
>   and SLE12 branches.
> 
> and [1] says
> 
>   If you read <https://patchwork.kernel.org/patch/3380911/> there was a
>   patched proposed to change it to 'N' and/or to depend on FB_SIMPLE, but
>   that patch never made it into linux.

We have FB_SIMPLE enabled, so I don't think this is your problem.

 
>   Nor did <https://patchwork.kernel.org/patch/3368351/> or
>   <https://patchwork.kernel.org/patch/3528991/>.
> 
>   I tried to contact David Herrmann himself, but never got a reply.
> 
>   So I think Debian should disable X86_SYSFB for now, too.

Looks like CONFIG_X86_SYSFB is disabled on Fedora too. I disabled it,
but kept FB_SIMPLE. Can you please test the 4.14.20 kernel and see if
it fixes the issue for you?

-nc

> 
> I try it now with the suggestion via grub2 configuration given by
> [2]
> 
>   This is when using gfxpayload=keep. If I manually switch to
>   gfxpayload=text, I don't see this problem - there is no "EFI VGA"
>   mentioned in dmesg.
> 
> Maybe something to consider.
> Ciao!
> 
>   [1] https://lists.debian.org/debian-kernel/2016/11/msg00168.html
>   [2] https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1038055
>   [3] https://bugzilla.novell.com/show_bug.cgi?id=855821
> 
> --steffen
> |
> |Der Kragenbaer,                The moon bear,
> |der holt sich munter           he cheerfully and one by one
> |einen nach dem anderen runter  wa.ks himself off
> |(By Robert Gernhardt)
> 
> 
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