Date: Sun, 7 Sep 1997 20:40:01 -0700 (PDT) From: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> To: freebsd-bugs Subject: Re: bin/4477: vidcontrol fails to change videomode on syscons' text console Message-ID: <199709080340.UAA01113@hub.freebsd.org>
next in thread | raw e-mail | index | archive | help
The following reply was made to PR bin/4477; it has been noted by GNATS. From: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> To: root@nt5.ipi.kiev.ua Cc: FreeBSD-gnats-submit@freebsd.org, yokota@zodiac.mech.utsunomiya-u.ac.jp Subject: Re: bin/4477: vidcontrol fails to change videomode on syscons' text console Date: Mon, 08 Sep 1997 12:36:51 +0900 >>Number: 4477 >>Category: bin >>Synopsis: vidcontrol fails to change videomode on syscons' text console >>Confidential: no >>Severity: serious >>Priority: medium >>Responsible: freebsd-bugs >>State: open >>Class: sw-bug >>Submitter-Id: current-users >>Arrival-Date: Sat Sep 6 12:20:01 PDT 1997 >>Last-Modified: >>Originator: Charlie & >>Organization: >SPLINE JV, Kiev >>Release: FreeBSD 2.2-970901-RELENG i386 >>Environment: > > Pentium 100 / RAM 64M / 2xIDE HDDs / S3 Trio64 videocard / b/w SVGA mon >itor > >>Description: > > vidcontrol refuses to set any VGA/EGA videomode different > from default 8x25 one. This happens depending on the installed video card. It is annoying but necessary restriction in the syscons driver. Syscons does not let the user to change video mode (via vidcontrol) if the video mode parameter table in the video BIOS is not organized the way syscons expects. The table is checked during syscons' initialization. Syscons needs the table to find correct set of parameters to change the video mode of the given video card. Some video card manufactures somehow decided to write the parameter table in a way different from the IBM's original VGA BIOS. Its BIOS knows how the table is ordered, but syscons cannot... What brand of video cards are you using? Kazu
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199709080340.UAA01113>