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Re: [Xen-devel] RE: dom0/xen boot problem

On Fri, Feb 25, 2011 at 11:54:38AM -0800, Kay, Allen M wrote:
> > I believe it is already in the Greg KH 2.6.37.x bug-fix branch. But ... we 
> > don't actually
> > have a 2.6.37.x development branch. We do have a 2.6.38 one - wherein the
> > patch is present.
> 
> I thought xen/next-2.6.37 branch under 
> git://git.kernel.org/pub/scm/linux/kernel/git/jeremy.xen.git is the 2.6.37 
> development branch.

We thought about it, but then 2.6.38 has so many neat stuff in it that it just 
seems easier to do it
on top of 2.6.38.

> 
> Is xen/next-2.6.38 under 
> git://git.kernel.org/pub/scm/linux/kernel/git/jeremy.xen.git the development 
> branch for 2.6.38?
> 
> Base on the attached email from you, that too also has missing bug fixes.  It 
> sounds the best pvops tree to use is:
> 
>       git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git 
> devel/next-2.6.38

Or better, use git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git 
#master

(as it is the "stable" version). The devel/next-2.6.38 is a kitchensink right 
now.
> 
> I will give this a try.

Thank you!

> 
> -----Original Message-----
> From: Konrad Rzeszutek Wilk [mailto:konrad.wilk@xxxxxxxxxx] 
> Sent: Friday, February 25, 2011 11:36 AM
> To: Kay, Allen M; Jeremy Fitzhardinge
> Cc: Stefano Stabellini; Keir Fraser; xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: dom0/xen boot problem
> 
> On Fri, Feb 25, 2011 at 11:22:24AM -0800, Kay, Allen M wrote:
> > Jeremy/Konrad,
> > 
> > Thanks for Stefano's help, dom0/xen boot failure on my Sandybridge desktop 
> > SDP has been isolated to the following patch that is missing in both 2.6.32 
> > and 2.6.37 PVOPS branches.  According to PVOPS wiki 2.6.32 and 2.6.37 are 
> > suppose to be active branches.  Can you back port this patch to both 2.6.32 
> > and 2.6.37 branches?
> 
> I believe it is already in the Greg KH 2.6.37.x bug-fix branch. But ... we 
> don't actually
> have a 2.6.37.x development branch. We do have a 2.6.38 one - wherein the
> patch is present.
> 
> 
> Under 2.6.32.x.. Jeremy, I've stuck this patch and another in
> for-2.6.32/bug-fixes. Could you pull it please?
> 
> > 
> > I'm surprised that I'm the only person encountering this problem.  Not 
> > being able use either printk or xen_raw_printk in 
> > xen_build_dynamic_phys_to_machine() does not help debugging either.  I was 
> > going to save max_pfn in a global variable and then print it out later in 
> > xen_build_mfn_list_list() before Stefano pointed out this patch. :-)
> 
> Oh man, what a headache.
> > 
> > Allen
> > 
> > ----- missing patch -------
> > 
> > commit cf04d120d9413de581437cf9a29f138ec1178f65
> > Author: Stefan Bader <stefan.bader@xxxxxxxxxxxxx>
> > Date:   Thu Jan 27 10:03:14 2011 -0500
> > 
> >     xen/p2m: Mark INVALID_P2M_ENTRY the mfn_list past max_pfn.
> >     
> >     In case the mfn_list does not have enough entries to fill
> >     a p2m page we do not want the entries from max_pfn up to
> >     the boundary to be filled with unknown values. Hence
> >     set them to INVALID_P2M_ENTRY.
> >     
> >     Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> > 
> > ----- active pvops branches from pvops wiki page -----
> > 
> > Current active branches are:
> > 
> > xen/stable-2.6.32.x - this is the long term maintained branch, tracking 
> > upstream kernel.org 2.6.32.x stable updates. This branch has Xen dom0 
> > patches added. This is the recommended branch for most users. Changelog: 
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=shortlog;h=xen/stable-2.6.32.x
> >  .
> > xen/next-2.6.32 - This is a branch for next 2.6.32 version and gets 
> > migrated to the stable branch once automatic tests have succeeded. 
> > Changelog: 
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=shortlog;h=xen/next-2.6.32
> >  .
> > xen/next-2.6.37 - this is the current development branch based on Linux 
> > 2.6.37. Changelog: 
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=shortlog;h=xen/next-2.6.37
> >  .

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Subject: Re: [Xen-devel] tip of jeremy/xen.git xen/next-2.6.38 fails to compile
Thread-Topic: [Xen-devel] tip of jeremy/xen.git xen/next-2.6.38 fails to
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> 
> On Thu, Feb 24, 2011 at 01:00:56PM +0100, Rafal Wojtczuk wrote:
> > Hello,
> > it looks like some patches are missing in the current xen/next-2.6.38. E.g.
> > IRQF_FORCE_RESUME is used but not defined.
> 
> Brave soul :-)
> 
> For right now take my tree: 
> git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git devel/next-2.6.38
> 
> It has the dom0 + lots of patches (including the pciback and netback).
> 
> No blkback yet.
> 
> _______________________________________________
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