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Subject: Re: [Patch] fbcon: i want fbcon soft scrollback feature come back
To:     xuhuijie <huijiexu295@gmail.com>, gregkh@linuxfoundation.org,
        daniel.vetter@ffwll.ch, jirislaby@kernel.org,
        yepeilin.cs@gmail.com, b.zolnierkie@samsung.com,
        george.kennedy@oracle.com, natechancellor@gmail.com
Cc:     dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <20210107154801.1997-1-huijiexu295@gmail.com>
From:   Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Message-ID: <0994b84e-4370-1065-c0ed-87c8b946a741@i-love.sakura.ne.jp>
Date:   Fri, 8 Jan 2021 07:56:45 +0900
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On 2021/01/08 0:48, xuhuijie wrote:
> This commit 50145474f6ef(fbcon: remove soft scrollback code) remove soft scrollback in
> fbcon. So the shift+PageDown and shift+PageUp is missing. But PageUp is a vary important
> feature when system panic or reset. I can get log by PageUp before, but now there is no
> way to get. Especially on the server system, we always use bmc to control computer.
> So I hope the community can add this feature back.
> 

You can configure kdump for panic, and netconsole for reset.
(I don't know whether PageUp key works after panic...)