Re: ACPI S3 resume with Xen and Linux not working (will work in Linux v3.11) Was: Re: Re: crash on resume after suspend

["Pasi Kärkkäinen" <pasik@iki.fi>]

On Fri, Jun 28, 2013 at 11:27:28AM +0000, Cui, Dexuan wrote:
> Konrad Rzeszutek Wilk wrote on 2013-06-26:
> > On Wed, Jun 26, 2013 at 08:47:43AM +0000, Cui, Dexuan wrote:
> >> Konrad Rzeszutek Wilk wrote on 2013-06-25:
> >>> ACPI S3 resume is not yet working (but will with Linux 3.11) b/c the
> >>> patches to allow that functionality had not been merged upstream.
> >> Hi Konrad,
> >> Do you imply your own tree(which branch?)
> >>  (http://git.kernel.org/cgit/linux/kernel/git/konrad/xen.git)
> >>  can work with Dom0 S3?
> >> Where are the patches to support Dom0 S3? I'd like to try them.
> >> I see there is a branch devel/acpi-s3.v10 in the tree, but I'm not sure if
> > you meant it.
> > 
> > git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
> > or bleeding-edge
> > 
> > You want to make sure these show up
> > 
> > 068e0dc xen / ACPI / sleep: Register an acpi_suspend_lowlevel callback.
> > d6a77ea x86 / ACPI / sleep: Provide registration for
> > acpi_suspend_lowlevel.
> > 
> Hi Konrad,
> Thanks for the information!
> 
> I'm using Xen-4.2.1 + Linux 3.8.8 and Dom0 S3 has such an issue:
>  

Afaik for ACPI S3 to work you need Xen 4.2.3 (so currently 4.2.2 + a couple of patches from stable-4.2 branch):

http://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=refs/heads/stable-4.2

These are the post 4.2.2 fixes for ACPI S3:
http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=7fe762b3f06f0e81ce5b3456dc61fc004562ef21
http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=2dd5ee75cdc3101b7a90c8482a27d8cc990dd46d


> 
> I'm going to dig into this and appreciate any related information!
> 

Not sure if your issue is related to those missing hypervisor patches.. worth checking.

-- Pasi