Message-ID: <20020925141906.78323.qmail@web12302.mail.yahoo.com>
Date: Wed, 25 Sep 2002 07:19:06 -0700 (PDT)
From: Eric Miao <qjmiao@yahoo.com>
Subject: Some questions about Linux Framebuffer programming
To: linux-kernel@vger.kernel.org
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Sender: linux-kernel-owner@vger.kernel.org
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Hi, everybody,

I need your help!

1. How can I switch to another virtual terminal by
normal user process?
VT_ACTIVATE ioctl can only be called by processes
having root rights.

2. When I switch away from and again back to the
virtual terminal where I do frame buffer drawing,
screen content is destroyed and replaced by original
console text?
How can I avoid this problem?

3. What is FBIOPUT_CON2FBMAP? What does it do?

4. How can I do flipping between primary frame and
secondary frame?


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