Padraig O'Sullivan wrote: > Thanks for the reply but I don't think I phrased my original question very > well (apologies for that). I understand that I can use mdb as you stated > inside a guest domain. > > My question is whether it is possible to use mdb on the control domain to > debug a guest domain and do things like set a breakpoint on the domain being > debugged (as 1 example of what should be possible if I could do this)? This > could be a stupid question but I thought it would be a cool thing to try out. > If there is some reason why it is not possible to do this, I'd appreciate if > anyone could explain why to me. > I don't think you can debug a running domain from dom0 using mdb at this point. AFAIK, dom0 cannot freely access memory pages which belongs to a domU. Explicit access permission needs to be granted by the domU before dom0 can access the page (map it into dom0's address space and write to it, say, set a break point).
Max > I don't expect this to be possible if the guest domain is running Linux, > Windows, etc. since I would be surprised if mdb supports these targets but in > theory, I thought it could be possible to do if the guest domain is running > Solaris. > > -Padraig > > > This message posted from opensolaris.org > _______________________________________________ > xen-discuss mailing list > [email protected] > _______________________________________________ xen-discuss mailing list [email protected]
