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Date: Sat, 19 Nov 2016 18:03:05 +0000 | |
From: Andrey Utkin <andrey_utkin@fastmail.com> | |
To: Manuel =?utf-8?Q?Sch=C3=B6lling?= <manuel.schoelling@gmx.de> | |
Cc: linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org | |
Subject: Re: [PATCH v4.2 0/2] console: Add persistent scrollback buffers for | |
all VGA console | |
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Hi Manuel, | |
I have tested your patches with v4.8.8 kernel on Gentoo system. Just | |
took me a little time to figure out that what my system uses as "raw | |
console" is not vgacon driver, but fbcon. In order to override defaults | |
and get VGA console, I had to add kernel bootargs "nofb nomodeset". A | |
pleasant byproduct of switching to VGA console was the fact that | |
the earliest printouts of kernel loading stage are preserved in | |
scrollback so I can look at them. However, vgacon is not compatible with | |
usage of modern graphical modes. | |
So your patch really works with native VGA console. This is very nice. | |
Thank you for filling this long-living feature gap. | |
Tested-by: Andrey Utkin <andrey_utkin@fastmail.com> | |
Now would you consider implementing same feature also for fbcon? As I | |
see it lacks same feature. I guess it may be harder because of support | |
of graphics (penguins on the top of screen, direct graphical output into | |
framebuffer-driven console - see "links -g", "fbgs", "mplayer -vo fbdev" | |
and so on). | |
P. S. I forgot to mention in my previous code review comments that both | |
patches have some checkpatch issues, and it should be quite easy to | |
perfect the patches to make checkpatch happy even in "--strict" mode. | |
You can use "--fix-inplace" by the way, it may solve most of that, just | |
review what exactly it changes so that it doesn't garble what is right. | |
Cheers! | |
P. P. S. Sorry for excessive sends, trying to figure out how to please | |
vger.kernel.org email server with non-7bit contents sent from Mutt. | |
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