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Re: [Qemu-devel] booting linux 2.6 in qemu-system-ppc

From: Johannes Berg
Subject: Re: [Qemu-devel] booting linux 2.6 in qemu-system-ppc
Date: Sun, 15 May 2005 14:28:58 +0200


> I just checked: I don't have to remove the VGA device to be able to boot
> 2.6 kernel on serial port. Just have to give it the following arguments
> to the kernel (and of course, use a kernel with the PC serial port
> support compiled in):
> console=ttyS0 console=tty0

Odd. I didn't test with console=tty0 in addition to console=ttyS0. Did
you use the bochs VBE stuff? That works here. Except that both vga cards
manage to kill my xorg xserver, so I'm not really into running with a
vga card.

> Note that the Open-Firmware frame-buffer support is broken in many 2.6
> kernels (I mean on real Macs) and that most distributions install CDROM
> don't have support for PC serial ports. Then, to be able to have video
> console with any 2.6 based distribution, I'm afraid we'll need to have
> an ATI Radeon emulation.
> You can also notice that we don't emulation Mac serial ports, in Qemu.

Yeah, I was testing the kernel so I did it all by myself, including root
(just some busybox stuff) and kernel config.


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