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Re: [Qemu-discuss] more memory, more resolution

From: Hua Wang
Subject: Re: [Qemu-discuss] more memory, more resolution
Date: Fri, 22 Nov 2013 09:21:31 +0800

Sorry I have not much experience on QEMU so might not be able to help on your 
question, but I would like to ask a related question. 
Does anyone know how to emulate X86 OS/application on a ARM host? Is there any 
successful case?



> 在 2013年11月22日,4:36,Florin Andrei <address@hidden> 写道:
> I am using qemu-1.4.0, the host is Ubuntu 13.04 64bit on Intel Core i5-3320M. 
> The guest is ARM hardware, running Raspbian (Debian Wheezy for Raspberry Pi). 
> To create the virtual machine, I've followed this howto:
> http://xecdesign.com/qemu-emulating-raspberry-pi-the-easy-way/
> This is the qemu script, which runs just fine as-is:
> qemu-system-arm -kernel kernel-qemu -cpu arm1176 -m 256 -M versatilepb \
>    -no-reboot -serial stdio \
>    -append "root=/dev/sda2 panic=1 rootfstype=ext4 rw" \
>    -hda 2013-09-25-wheezy-raspbian.img
> The guest boots into text mode, everything okay so far. I am able to do OS 
> updates, run various text-mode apps, all is good.
> I launch the X environment with startx, which also runs fine, but the 
> resolution is very small. It might be okay for a simple text editor, but 
> insufficient for any serious X application. If I add "-vga std" to the 
> options, I get this error:
> Error: standard VGA not available
> What can I do to increase resolution under X Window?
> Also, I tried to increase the memory to the guest (-m 512 or -m 1024) but 
> then the qemu process is launched as a solid black window; the guest OS may 
> not be even running for all I know.
> Is there a way to give the guest more RAM?
> Any help is appreciated. Thanks.
> -- 
> Florin Andrei
> http://florin.myip.org/

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