RE: [Xen-users] Problems building a xen0 kernel on Suse 9.3

["Jeffrey Buell" <jbuell@xxxxxxxxxx>]

James,

I did exactly the same thing as you did, except I skipped your initial rpm
command (but rpm -qa confirms I have the right source).  In the end I got the
same undefined references as before.  Hopefully you can fix your "unrelated
problems" so we can see if this is a SUSE/Xen problem or not.  An unrelated
issue is using the O= option to relocate the build output to a different
directory.  Do you ever use this?  This works fine for the regular kernel but
causes an immediate failure when building a Xen kernel (missing asm
directories).

Jeff

# rpm -qa | grep source
kernel-source-2.6.11.4-20a
# make ARCH=xen

  <everything compiles>

  CHK     include/linux/compile.h
  UPD     include/linux/compile.h
  CC      init/version.o
  LD      init/built-in.o
  LD      .tmp_vmlinux1
arch/xen/kernel/built-in.o(.text+0x85b): In function `ctrl_if_suspend':
: undefined reference to `teardown_irq'
drivers/built-in.o(.text+0x4b2c7): In function `balloon_process':
balloon.c: undefined reference to `kmap_flush_unused'
make: *** [.tmp_vmlinux1] Error 1


> 
> On Tue, May 24, 2005 1:59 am, James Bulpin said:
> > I've just tried a build of the tree extracted from that RPM 
> on my FC3 box
> > - it appears to build fine. I'll check on a SuSe box 
> tomorrow - access
> > isn't practical right now.
> 
> I tried the following on an out-of-the-box SuSE 9.3 install:
> 
> rpm --install /tmp/kernel-source-2.6.11.4-20a.i586.rpm
> cd /usr/src/linux  (symlinks to linux-2.6.11.4-20a)
> cp ./arch/i386/defconfig.xen .config
> make ARCH=xen oldconfig
> make ARCH=xen
> 
> It got a good way through the build and only stopped due to 
> an unrelated
> problem.
> 
> Can you post the actual errors you saw?
> 
> Regards,
> 
> James
> 
> > On Mon, May 23, 2005 6:01 pm, Jeffrey Buell said:
> >> James,
> >>
> >> Not much chance of insulting my intelligence here.  I have 
> been using
> >> Xen
> >> as
> >> part of the Fedora core 4 development releases, but I'm 
> new to SuSE 9.3.
> >> In
> >> FC4 I use the source RPMs (for both the kernel and Xen) as 
> supplied by
> >> Fedora, and I'd like to do the same with SuSE, using 
> source from the
> >> installation CDs.  I didn't need to install any source RPM 
> in order to
> >> build
> >> the regular kernel.  Does Xen need something extra not installed by
> >> SuSE?
> >> I'm not sure if I'm "building a xen kernel tree".  In FC4 the xen
> >> kernels
> >> are
> >> built in the same way and same directory as the regular 
> kernel.  I just
> >> need
> >> ARCH=xen and a xen config file.  Is the procedure 
> different in SuSE?
> >>
> >> Thanks for your help,
> >>
> >> Jeff
> >>
> >>>
> >>> Jeff,
> >>>
> >>> Please don't take this the wrong way, I don't mean to insult your
> >>> intelligence - are you sure you're building a xen kernel tree
> >>> rather than
> >>> the native (ARCH=xen will not work on the latter). Presumably
> >>> this is the
> >>> SuSE source RPM rather than one of our tarball or BK
> >>> distributions? Could
> >>> be an issue with the location that the RPM installs the source to.
> >>>
> >>> Regards,
> >>>
> >>> James
> >>> (will be offline from now until tomorrow)
> >>>
> >>> On Fri, May 20, 2005 11:03 pm, Jeffrey Buell said:
> >>> > I installed Suse 9.3 Pro along with all the kernel tools
> >>> and sources.  I
> >>> > was
> >>> > easily able to build a new regular kernel, but not a xen0
> >>> kernel.  With
> >>> > ARCH=xen and using the supplied config file, "make" almost
> >>> immediately
> >>> > runs
> >>> > into problems creating links to various asm directories in the
> >>> > kernel/build
> >>> > dir.  I fixed this by copying all of /usr/src/linux into
> >>> kernel/build.
> >>> > Everything then compiled but I got 2 undefined references:
> >>> teardown_irq
> >>> > in
> >>> > ctrl_if_suspend, and kmap_flush_unused in balloon_process.
> >>> Presumably
> >>> > there
> >>> > is no bug since a working xen0 kernel was supplied in the
> >>> distro.  What do
> >>> > people do differently when building a xen0 kernel vs. a
> >>> regular kernel?
> >>> >
> >>> > Jeff

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