Messages in this thread | | | Subject | Re: 2.6.0-test7 vs. vga= boot parameter | From | "M. Lucas" <> | Date | Mon, 13 Oct 2003 08:04:57 +0200 |
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On Mon, 2003-10-13 at 07:03, Norman Diamond wrote: > On a machine with unknown graphics chip and a 1024x768 screen, > 2.4.18 and 2.6.0-test1 through test7 can all be booted with > vga=791 and have no problem. > > On a machine with a Neomagic 128XD chip and an 800x600 screen, > 2.4.19 and 2.4.20 can be booted with vga=788 and have no problem. > But booting 2.6.0-test1 through test7 with vga=788 yields a > black screen during boot and disables all text mode displays > in VT consoles. After X11 starts up, switching to a VT just > displays whatever was last put in graphics memory by X11 and > does not change until I switch back to X11. > > Booting 2.6.0-test1 through test7 without any vga option has > no problem displaying boot messages, and after X11 starts up, > it has no problem switching between X11 and VT consoles. > > This part of dmesg might be relevant to the vga problem in test7. > vesafb seems to say it aborted and then succeeded, but maybe it > aborted and went crazy instead? > > neofb: mapped io at c6800000 > Autodetected internal display > Panel is a 800x600 color TFT display > neofb: mapped framebuffer at c6a01000 > neofb v0.4.1: 2048kB VRAM, using 800x600, 37.878kHz, 60Hz > fb0: MagicGraph 128XD frame buffer device > vesafb: abort, cannot reserve video memory at 0x43000000 > vesafb: framebuffer at 0x43000000, mapped to 0xc6c02000, size 1984k > vesafb: mode is 800x600x16, linelength=1600, pages=1 > vesafb: protected mode interface info at c000:8cb0 > vesafb: scrolling: redraw > vesafb: directcolor: size=0:5:6:5, shift=0:11:5:0 > fb1: VESA VGA frame buffer device > -
I had the same problems with all the 2.6 test versions and the vga= bootoption.
I didn't find out what the cause was of this problem, but using the following line video=matroxfb:vesa:0x118,depth=32 did work on my matrox card.
This way I don't have to use the vga= line.
Hope this helps you.
Maurice Lucas
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