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Re: [Qemu-discuss] About Qemu Console Screen Resolution

From: David Gosselin
Subject: Re: [Qemu-discuss] About Qemu Console Screen Resolution
Date: Tue, 09 Sep 2014 08:20:58 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:31.0) Gecko/20100101 Thunderbird/31.1.0

What happens when you don't provide the "-vga cirrus" option?

On 9/9/14 6:54 AM, address@hidden wrote:


I am using Ubuntu OS.

I would like to use Qemu 2.0.0 to execute my buildroot bzImage and then execute Qt4 program.


I execute the Qemu using command below.

It can run but not in 1024x768 screen resolution.


If I change it to vga std, my Qt4 program cannot run.

It fail with message below.

QLinuxFbScreen::connect: Invalid argument.

Error: failed to map framebuffer device to memory.


I would like to know how to get 1024x768 screen resolution.

Anybody can help?


Thank you very much.



qemu-system-i386 -kernel bzImage -initrd rootfs.cpio -m 512 -append root=/dev/sda1 -vga cirrus –usbdevice tablet

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