[Fedora-xen] Re: Using large disk in DomU

[Robin Bowes]

Daniel P. Berrange wrote:
> If you want to build a new kernel RPM for testing this patch something along
> the lines of the following should work.
> 
> 1. Extract the patch file from mercurial
> 
>   hg clone  http://xenbits.xensource.com/xen-unstable.hg
>   cd xen-unstable.hg
>   hg log --patch -r 0c0ef61de06b > ~/rpm/SOURCES/large-disks.patch
> 
> 2. Grab the latest  kernel  src.rpm file & install it locally
> 
>      rpm -ivh kernel-XXXXXX.src.rpm
>      cd ~/rpm/SPECS
> 
> 3. Edit the kenrel.spec file, incrementing release tag,
> 
>     Release: %{release}.1xen2tbtest
> 
>   Add
> 
>      Patch30000: large-disks.patch
>  
>   And in the %setup section
> 
>      %patch30000 -p1
> 
> 4. Rebuild the Xen kernel for i686
> 
>     rpmbuild --target i686 --define 'buildup 0' --define 'buildsmp 0'
>         --define 'buildkdump 0' -ba kernel-2.6.spec

I did this, but the patch failed:

Patch #30000 (large-disks.patch):
+ patch -p1 -s
The text leading up to this was:
--------------------------
|changeset:   12496:0c0ef61de06b
|user:        kfraser at localhost.localdomain
|date:        Tue Nov 21 10:16:58 2006 +0000
|summary:     [BLK] Handle block devices with more than 2^32 sectors.
|
|diff -r 82ba3c086e6c -r 0c0ef61de06b
linux-2.6-xen-sparse/drivers/xen/blkback/common.h
|--- a/linux-2.6-xen-sparse/drivers/xen/blkback/common.h        Tue Nov
21 09:26:43 2006 +0000
|+++ b/linux-2.6-xen-sparse/drivers/xen/blkback/common.h        Tue Nov
21 10:16:58 2006 +0000
--------------------------
File to patch:

To be honest, it was creating the patch that I would struggle with - I'm
OK on modifying spec files,etc.

Any idea what's wrong?

R.