linux-kernel - Re: 1c74ca7a1a9a ("drm/fb-helper: call vga_remove

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Message-ID: <20190809072133.2xlafq4qxitgky6l@sirius.home.kraxel.org>
Date:   Fri, 9 Aug 2019 09:21:33 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Daniel Vetter <daniel.vetter@...ll.ch>,
        dri-devel@...ts.freedesktop.org,
        lkml <linux-kernel@...r.kernel.org>
Subject: Re: 1c74ca7a1a9a ("drm/fb-helper: call vga_remove_vgacon
 automatically.")

On Thu, Aug 08, 2019 at 07:45:42PM +0200, Borislav Petkov wrote:
> Hi,
> 
> for some unfathomable to me reason, the commit in $Subject breaks
> booting of the 32-bit partition of one of my test boxes. The box doesn't
> finish booting (normally it boots in text mode, there is no X server
> setup on it) but it is still responsible in the sense that I can reboot
> it with the Sysrq combination. No other keystrokes have effect.

Is "text mode" actual vga text mode or linux console @ fbcon?
What display hardware do you have?

Can you ssh into the machine?  If so, can you grab a kernel log please?
If not please send a kernel log of a boot with the patch reverted.

thanks,
  Gerd