On Mon, Mar 22, 2021 at 3:09 PM Luca Fancellu <luca.fance...@arm.com> wrote:
>
> Hi Juergen,
>
> Yes you are right it was my mistake, as you said to remove the BUG_ON(…) this 
> serie 
> (https://patchwork.kernel.org/project/xen-devel/cover/20210306161833.4552-1-jgr...@suse.com/)
>  is needed, since I’m using yocto I’m able to build a preempt_rt kernel up to 
> the 5.10.23 and for this reason I’m applying that serie on top of this 
> version, then I’m removing the BUG_ON(…).
>
> A thing that was not expected is that now the Dom0 kernel is stuck on 
> “Setting domain 0 name, domid and JSON config…” step and the system seems 
> unresponsive. Seems like a deadlock issue but looking into the serie we can’t 
> spot anything and that serie was also tested by others from the community.
> Do you have any idea on that?

I think this can happen if xenstored isn't running.  Client access to
xenstore blocks until xenstored becomes available.  So check your init
scripts ordering.

Regards,
Jason

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