Re: [Xen-devel] ARM: Issues while Enabling hibernation in domU(linux) on jacinto-j6

[Julien Grall <julien.grall@xxxxxxx>]

Replying to myself.

On 06/06/18 19:00, Julien Grall wrote:
> On 06/06/18 09:17, moin anjnawala wrote:
> > Can you point me towards what could be the issue ? If any other
> > information is needed then I can provide it to you.
> Looking at the log and Linux 4.17, none of the PV drivers seem to have 
> suspend/resume callback. This might be the reason of the crash as from 
> Xen PoV this is a new guest so the memory and event channel have not 
> been configured. The guest should really do it again.
> It looks like there are some code in drivers/xen/manage.c to handle 
> suspend request from the toolstack. I am not entirely sure why we need 
> our own way to suspend and not re-used the Linux one.
> Jurgen, Boris, do you know if suspend-to-disk from the guest console 
> works on x86?
It looks like it was not supported. Amazon recently sent an RFC to 
support it (see [1]). This seems to have some architecture specific code 
but only for x86. Arm bits would need to be implemented.
Cheers,

[1] 
https://lists.xenproject.org/archives/html/xen-devel/2018-06/msg00823.html
--
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel