[CentOS-virt] Using the parallel port from domU

Wed Feb 4 10:01:14 UTC 2009
Manuel Wolfshant <wolfy at nobugconsulting.ro>

Short follow-up: I had to revert to the stock xen. With the newer 
version, Java in the VM went nuts, taking 99% of the CPU. Beats me why...

/me eagerly waiting for  the newer stock version

Manuel Wolfshant wrote:
>    Just for the record: due to lack of time (I am really really under 
> pressure and I do not have the time to compile the xen version from 
> 5.3 ), I have switched to a custom built xen-3.3.0 and it works as it 
> should.
>    Manuel
> Manuel Wolfshant wrote:
>> Hello
>>    I use xen and I am trying to use the parallel port of Centos 5.2 
>> host from a Windows XP (HVM) guest. I have tried to transfer control 
>> of the port by blacklisting lp, parport and parport_pc + adding:
>>    ioports = [ "0378-037a" ]
>> to the xen configuration file.
>>    However, in the presence of this line, xm create replies with:
>> Error: function takes exactly 4 arguments (3 given)
>> [...]
>>    Except of a bug from 2007 and which should be fixed for a long 
>> time (and which is only PARTIALLY included in xen as available in 
>> 5.2), I have not found anything. I did apply the unapplied part of 
>> http://bugs.centos.org/file_download.php?file_id=474&type=bug but 
>> there is no change.
>>    Any ideas ?
>>    TIA
>>                               manuel