Is QEMU working/reliable under ....

William A. Mahaffey III wam at
Thu Jan 29 15:19:09 UTC 2015

On 01/28/15 22:05, CyberLeo Kitsana wrote:
> On 01/28/2015 10:30 AM, William A. Mahaffey III wrote:
> <snip>
>> [root at kabini1, WinXP, 10:21:44am] 503 % qemu-system-i386 -cdrom
>> ../../../ISOs/winxp.iso -hda HDD.img -m 256 -boot d -cpu athlon -vga std
>> -no-acpi -localtime
>> Invalid MIT-MAGIC-COOKIE-1 key
>> (<unknown>:20227): Gtk-WARNING **: cannot open display: :0.0
>> [root at kabini1, WinXP, 10:21:48am] 504 %
>> I am logged into root via 'su' from my regular user, rxvt-2.6.4_6
>> terminal window, system tcsh, xfce-4.10_7 desktop,
>> xorg-server-1.14.7_1,1, FreeBSD 9.3-RELEASE-p5 .... The su process
>> doesn't get the graphics environment set correctly for root, I see this
>> a lot :-/ .... What do I need to do to get the GUI to display for me ?
>> TIA & thanks for your reply.
> Either authorize root by running this, as the user logged into X:
> xhost +si:localuser:root
> or copy the xauth cookie into root's account using something like the
> following:
> sh -c 'xauth list "${DISPLAY}" | sed -e "s/^/add /" | sudo xauth'
> But I suppose a better question is: why are you running qemu as root?

Someone else already pointed out that running qemu as root is 
unnecessary :-). I suppose my answer would be 'out of ignorance' (I 
*think* I recall you had to do that under FC14, the last time I used it 
there was several years back). In any event, I copied the .Xauthority 
from my $USER to /root & all went well. I have the VM (guest) setup & 
can boot it from $USER (Hooray, couldn't do that under FC14), so I am 
relatively happy. The guest can't see the host, which is a problem, my 
read of the man page & the qemu help output implies that I can fix this 
on the fly w/ a combination of more args to qemu &/or host 
configuration. I will be back w/ questions there if needed, but I seem 
to be OK for now. Thanks to all who assisted :-) !!!!


	William A. Mahaffey III


	"The M1 Garand is without doubt the finest implement of war
	 ever devised by man."
                            -- Gen. George S. Patton Jr.

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