Xen users - Oct 2008 - Vista Ultimate 32-bit install - VNC woes

Hi,

I''m running Xen server based on OpenSuSE 11 (Xen version
3.2.1_16881_04-4.2). I have several Linux DomU''s that run perfect.

Now I need a temporary Vista install (for testing) so I used
''virt-manager'' to install Vista. I used LVM based setup, Vista
got 4GB
of memory (at least temporary) and 2 CPU''s.

Initially things look good - I get the console window, Vista starts up
and I get to choose the language & keyboard layout. It then completes
copying files and starts '', the VNC connection is suddenly lost and I
can''t get it back.

Here is what I find in /var/log/xen:

qemu-dm-43.log:
> xs_read(): vncpasswd get error.
> /vm/86d6b4aa-963a-4c89-958b-50d7c0afd11e/vncpasswd.
> char device redirected to /dev/pts/3
> qemu_map_cache_init nr_buckets = 10000 size 3145728
> Watching /local/domain/0/device-model/43/logdirty/next-active
> Watching /local/domain/0/device-model/43/command
> shared page at pfn effff
> buffered io page at pfn efffd
> Time offset set 7200
> Register xen platform.
> Done register platform.
> I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0
> I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0
> xc_map_foreign_batch: mmap failed: Cannot allocate memory
> xc_map_foreign_batch error 12
''xm dmesg'' gives me a lot of these:
> (XEN) mm.c:645:d18 Non-privileged (18) attempt to map I/O space 00000000
> (XEN) mm.c:645:d18 Non-privileged (18) attempt to map I/O space 000000c0
> (XEN) mm.c:645:d18 Non-privileged (18) attempt to map I/O space 0000009f
> (XEN) mm.c:645:d18 Non-privileged (18) attempt to map I/O space 000000e0
> (XEN) mm.c:645:d19 Non-privileged (19) attempt to map I/O space 00000000
> (XEN) mm.c:645:d19 Non-privileged (19) attempt to map I/O space 000000c0
> (XEN) mm.c:645:d19 Non-privileged (19) attempt to map I/O space 0000009f
These addresses are re-occurring, but I can''t really say whether
it''s
related (there is no timestamp with ''xm dmesg''...

I tried changing different things - stdvga=0/1, apic=0/1, pae=0/1 - but
none of these helped...

Dom0 is limited to 1GB of memory, but that shouldn''t be an issue as we
haven''t yet used more than 1/2 of that.

Any ideas?

    Best regards, Danilo



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> Hi,
> 
> I''m running Xen server based on OpenSuSE 11 (Xen version
> 3.2.1_16881_04-4.2). I have several Linux DomU''s that run perfect.
> 
> Now I need a temporary Vista install (for testing) so I used
> ''virt-manager'' to install Vista. I used LVM based setup,
Vista got 4GB
> of memory (at least temporary) and 2 CPU''s.
> 
> Initially things look good - I get the console window, Vista starts up
> and I get to choose the language & keyboard layout. It then completes
> copying files and starts '', the VNC connection is suddenly lost
and I
> can''t get it back.
> 
First try running Vista with 2G of memory instead of 4G, and with a
single CPU.

I had problems under Xen 3.2.1 with Windows 2008 which has a lot in
common with Vista. Something to do with emulation of a certain
instruction when the instruction occurs at a page boundary. If you trawl
the list archives for my email address and ''Windows 2008'' you
might find
a reference the changeset that fixed it for me. The ''xm dmesg''
errors I
was getting were quite different to what you are getting though so I
suspect that that may not be your problem, and in my case Windows 2008
would install after a few attempts but would always crash within a few
minutes of use.

James



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James Harper pravi:
>> Hi,
>>
>> I''m running Xen server based on OpenSuSE 11 (Xen version
>> 3.2.1_16881_04-4.2). I have several Linux DomU''s that run
perfect.
>>
>> Now I need a temporary Vista install (for testing) so I used
>> ''virt-manager'' to install Vista. I used LVM based
setup, Vista got 4GB
>> of memory (at least temporary) and 2 CPU''s.
>>
>> Initially things look good - I get the console window, Vista starts up
>> and I get to choose the language & keyboard layout. It then
completes
>> copying files and starts '', the VNC connection is suddenly
lost and I
>> can''t get it back.
>>
>>     
>
> First try running Vista with 2G of memory instead of 4G, and with a
> single CPU.
>   
I tried with a single CPU before, but why didn''t I thing about reducing
the memory?

Thanks, that helped and Vista is now running (surprisingly well, I may add).

 Danilo
> I had problems under Xen 3.2.1 with Windows 2008 which has a lot in
> common with Vista. Something to do with emulation of a certain
> instruction when the instruction occurs at a page boundary. If you trawl
> the list archives for my email address and ''Windows 2008''
you might find
> a reference the changeset that fixed it for me. The ''xm
dmesg'' errors I
> was getting were quite different to what you are getting though so I
> suspect that that may not be your problem, and in my case Windows 2008
> would install after a few attempts but would always crash within a few
> minutes of use.
>
> James
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>   

-- 
Danilo Godec, sistemska podpora

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Danilo Godec pravi:
>> First try running Vista with 2G of memory instead of 4G, and with a
>> single CPU.
>>   
>>     
> I tried with a single CPU before, but why didn''t I thing about
reducing
> the memory?
>
> Thanks, that helped and Vista is now running (surprisingly well, I may
add).
>
>  Danilo
>   
I might have been a little premature with that statement - it crashes
out on me after a couple of minutes too....

But as long as it works it''s pretty fast.

 regards, Danilo



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> > Thanks, that helped and Vista is now running (surprisingly well, I
may
> > add).
> >
> I might have been a little premature with that statement - it crashes
> out on me after a couple of minutes too....
> 
> But as long as it works it''s pretty fast.
> 
Any messages in ''xm dmesg'' when it crashes?

James

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