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Date:      Sat, 14 Jan 2017 17:57:29 +0100
From:      Matthias Andree <matthias.andree@gmx.de>
To:        freebsd-current@freebsd.org
Subject:   Re: vt(4) chops off the leftmost three columns
Message-ID:  <e85b7e66-6bc4-a8d5-e9be-c9a95c654d32@gmx.de>
In-Reply-To: <CAOtMX2gBn8iJiCZrzgDCSxBhVN%2B0rjWoXs0YYSNdCLnQwkgAYw@mail.gmail.com>
References:  <CAOtMX2hg%2B-7F10Dx01_0_EzH_Q_eE2J%2B1wWjAiEO7f56ofCLgQ@mail.gmail.com> <CAPyFy2AAWeD-wMCR3aKG8mjPyn_4%2BMzGYBZnYYfddjtHTgDgQQ@mail.gmail.com> <96CA08DF-582A-4405-9E65-B19230EA37DA@gmail.com> <CAOtMX2gBn8iJiCZrzgDCSxBhVN%2B0rjWoXs0YYSNdCLnQwkgAYw@mail.gmail.com>

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Am 14.01.2017 um 00:11 schrieb Alan Somers:
> I take it back.  The first three columns _are_ rendered, but they
> don't show up on some monitiors.  It's as if those monitors require a
> minimum amount of overscan on the left side of the screen, and vt(4)
> doesn't provide enough.  Can that be tuned?

Once upon a time, I've seen similar things on Linux, but with fewer
pixels offset, when switching framebuffer drivers - back then, the
scanning-VGA-timing was an issue. Is there any way to tweak the row and
column timings, with blank periods, viewport offsets and thereabouts?


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