Re: [Xen-devel] [PATCH] Missing CDROM media

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Ross Maxfield wrote:
> If the 'cdrom=' option is specified in the definition file but media is not 
> found in the CD drive then main() in vl.c exits and the guest appears to hang.  
> This patch modifies vl.c slightly to check for the presents of media.  If the 
> cdrom cannot be opened then the cd entry is removed from hd_filename[] and 
> bs_table[] allowing the guest to continue initializing. If the guest requires 
> the CD media then the guest should report, gracefully or otherwise, that it's 
> missing.
>   
This is desired behavior.

The cdrom is always attached to the guest.  The cdrom option doesn't 
necessary attach a cdrom but rather attaches the media to the already 
existing cdrom.  If you wish to later change the media, use the "change" 
option in the monitor.
Moving away from QEmu semantics is only going to make merging later more 
difficult.  You could perhaps add a check to Xend that remove the cdrom 
option if media wasn't present.  Then can expose the user interface we 
want without moving further away from QEmu.
Regards,

Anthony Liguori

> I would like to see this patch applied to 3.0.2-testing as well.
>
> Thanks,
> Ross
>
>   
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