Re: Re:Re: [Xen-devel] please help about gdbsx

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Thu, 2010-12-09 at 12:06 +0000, topperxin wrote:
> hi Ian
>    As your suggestions, I compile the gdbsx tools independently use
>    make gdbsx=y tools
>    but when I executed the gdbsx on dom0, I got this error:
>     ERROR:_check_hyp:Hyp is NOT enabled for gdbsx
>     ERROR: failed to attach to domain:2 errno:38
>    It looks like I have to recompile the xen & make it enable gdbsx.
>        I just do like this: make gdbsx=y
>    but I still get the error which I offered before.

Try adding "KERNELS=" to your make line, that will avoid the error
compiling the kernel.

>    Should I use xen4.0.1? xen 4.0.0 not support gdbsx?
>    our system using xen 4.0.0 

I've no idea but as a general rule using the most recent stable release
is a good idea.

Ian.

>    
> 
> 
> 
> 
> At 2010-12-07 17:47:44ï"Ian Campbell" <Ian.Campbell@xxxxxxxxxx> wrote:
> 
> >On Tue, 2010-12-07 at 09:27 +0000, topperxin wrote:
> >> hello mukesh
> >>       Now,I want debug the xen domU kernel or kernel modules, I found
> >> the tools gdbsx under xen source directory. As the guide of README you
> >> wrote, I compile the xen with: 
> >> make gdbsx=y
> >> 
> >> 
> >> but I got the errors as below:
> >> remote: Counting objects: 1857338, done.
> >> remote: Compressing objects: 100% (292566/292566), done.
> >> Receiving objects: 100% (1857338/1857338), 368.84 MiB | 53 KiB/s,
> >> done.
> >> remote: Total 1857338 (delta 1554805), reused 1849232 (delta 1547905)
> >> Resolving deltas: 100% (1554805/1554805), done.
> >> Checking out files: 100% (30571/30571), done.
> >> + cd linux-2.6-pvops.git.tmp
> >> + git checkout xen/master
> >> error: pathspec 'xen/master' did not match any file(s) known to git.
> >> make[2]: *** [linux-2.6-pvops.git/.valid-src] error 1
> >> make[2]: Leaving directory `/home/nlx/nex-4.5.4/xen'
> >> make[1]: *** [linux-2.6-pvops-install] error 2
> >> make[1]: Leaving directory `/home/nlx/nex-4.5.4/xen'
> >> make: *** [install-kernels] error 1
> >
> >This error message clearly indicates a problem building the kernel and
> >not gdbsx.
> >
> >The fact that your kernel build tried to clone xen/master suggests you
> >are not building in an uptodate Xen source tree (it looks like you have
> >4.0.0). I recommend you use either the xen-4.0-testing.hg mercurial tree
> >or at a minimum update to the 4.0.1 release.
> >
> >Since you only need to build the tools and not the kernels or hypervisor
> >you can use the tools targets as described in "make help". e.g.
> >
> > $ make gdbsx=y tools
> >
> >(it looks like gdbsx=y is redundant since building gdbsx is not actually
> >optional, probably tools/debugger/gdbsx/README is out of date)
> >
> >Ian.
> >
> >
> >
> >
> >_______________________________________________
> >Xen-devel mailing list
> >Xen-devel@xxxxxxxxxxxxxxxxxxx
> >http://lists.xensource.com/xen-devel
> 
> 
> 
> ______________________________________________________________________
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