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Re: [Qemu-discuss] Problem with qemu-system-mips. Only got a black scree

From: Mike Lovell
Subject: Re: [Qemu-discuss] Problem with qemu-system-mips. Only got a black screen
Date: Thu, 04 Oct 2012 12:02:25 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120827 Thunderbird/15.0

On 10/03/2012 02:57 PM, Jaime wrote:


I'm trying to use qemu-system-mips with no results, nothing but a black screen appears.
I've used both qemu package from ubuntu 12.04 (1.0.50)  and local version compiled (1.2.0 and 1.2.50) with same results.
Here is the configure:
./configure --target-list=mips-softmmu,mips-linux-user

It compiles without problem. But when running:

mips-softmmu/qemu-system-mips -kernel ~/Descargas/mips-test/vmlinux-2.6.18-3-qemu  -initrd ~/Descargas/mips-test/initrd.gz --append "console=/dev/ttyS0,init=/bin/bash"

this shows a black screen, anything else, no messages in the window nor in the console.
I downloaded mips-test image from http://wiki.qemu.org/Testing but also I've tested other (which is the one I'm interested on, using OpenWrt) with same results.

Any idea what's going on?



the window that opens when you run qemu-system-* is the graphical console output of the guest. pressing ctrl-alt-1 will change to the console for the qemu monitor. pressing ctrl-alt-2 will change to a console for a serial port to the guest. the "console=/dev/ttyS0" option on --append tells the kernel to use a serial console for its output which should show up when you change to the serial console by pressing ctrl-alt-2.


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