On Mon, 2005-05-23 at 12:47 +0200, J. Mayer wrote: > On Mon, 2005-05-23 at 10:31 +1000, Benjamin Herrenschmidt wrote: > > > console=ttyS0 console=tty0 > > > Note that the Open-Firmware frame-buffer support is broken in many 2.6 > > > kernels (I mean on real Macs) > > > > How so ? > > Well, there have been many issues with frame-buffer in 2.6, not only on > Mac platform. > With Open-Firmware frame buffer, I remember the first 2.6 kernels had no > fb output at all. > Then came kernels that could display a Tux penguin in psychadelic > colors, I guess it was drawing in 16 bits mode when the OF frame-buffer > is 15 bits. > This has been solved in more recent kernels. I don't remember in which > version it was fixed (but I think around 2.6.5 or 2.6.6). > I can easily reproduce this on my Ibook and on my Apple Network Server, > which means it's not a hardware-dependant bug (Ibook 2 has an ATI > graphic card, ANS is cirrus-logic) nor it's specific to some OF version > (ANS one is really old...). > > There is now another bug with qemu: with recent 2.6 kernels, the > frame-buffer is recognized and console is working but it only draws > characters black on black background, even if I send escape sequences to > change the drawing color. Note that the penguin is well drawn, in those > cases. > If you have an idea of what can cause this, I'd be glad to know it ;-)
I would say the palette isn't set properly ... Ben. _______________________________________________ Qemu-devel mailing list Qemu-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/qemu-devel