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xen-devel
Hi Kamala,
Thanks for your response. Can you provide some pointers into the XCI
trees where I can see the related source code changes?
- steve
On Wed, 2009-07-01 at 16:41 -0400, Kamala Narasimhan wrote:
> You might want to consider using the XCI build which already takes care of
> this issue. We have added the necessary user mode quirks plus included
> relevant components you would need along with appropriate emulation library
> that would work with 64-bit hypervisor etc.
>
> Kamala
>
> > -----Original Message-----
> > From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
> > bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of scorbin
> > Sent: Wednesday, July 01, 2009 2:26 PM
> > To: xen-devel
> > Subject: Re: [Xen-devel] Host S3
> >
> > It looks like suspend.sf.net will not work. The s2ram utility
> > requires /proc/sys/kernel/acpi_sleep_flags which does not exist in the
> > Xen patched Linux kernel. It is removed via CONFIG_ACPI_PV_SLEEP.
> >
> > So how are people using dom0 suspend/resume? Any sample scripts/code?
> > Simply doing 'echo mem > /sys/power/state' does not restore the
> > graphics
> > card. I also tried a script I found on the web that effectively does:
> >
> > # dump current data from the video card to the temporary file
> > cat /proc/bus/pci/$ID > $TMP_FILE
> >
> > # suspend
> > echo -n mem > /sys/power/state
> >
> > # restore video card data from the temporary file on resume
> > cat $TMP_FILE > /proc/bus/pci/$ID
> >
> > with the same result that bare Linux works but booting with Xen does
> > not
> > restore the video card.
> >
> > - steve
> >
> > On Wed, 2009-07-01 at 13:40 -0400, scorbin wrote:
> > > I tried it on a Dell, Lenovo and 2 HPs. Upon further investigation
> > it
> > > turns out the systems are resuming but the video card is not
> > > re-initialized. It's strange because I can use the same procedure
> > for
> > > Linux without Xen and the video resumes properly.
> > >
> > > Searching the web I found suspend.sf.net. Is this what people are
> > using
> > > to do the video restore?
> > >
> > >
> > > On Wed, 2009-07-01 at 20:08 +0300, Tom Rotenberg wrote:
> > > > What is the hardware it didn't work for you?
> > > >
> > > > 2009/7/1 scorbin <steve.corbin@xxxxxxxxxxxxxxxxxxx>
> > > > What is the state of host suspend to ram? I noticed that
> > this
> > > > functionality was put into 3.2 with fixes in 3.3. I also
> > saw
> > > > something
> > > > recently that indicates there might be a separate tree
> > where
> > > > suspend/S3
> > > > is being developed/enhanced?
> > > >
> > > > I did try Xen3.3/Ubuntu8.04 and did not get host S3 to
> > resume
> > > > properly.
> > > > Straight Ubuntu 8.04 suspends/resumes fine.
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > Xen-devel mailing list
> > > > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > > > http://lists.xensource.com/xen-devel
> > >
> > >
> > > _______________________________________________
> > > Xen-devel mailing list
> > > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-devel
> > >
> >
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
>
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