Re: [Xen-devel] Kernel panic while compiling kernel

[Zachary Amsden <zamsden@xxxxxxxxx>]

Just an observation - I've noticed that several of the include files 
include linux/config.h and some include xeno/config.h - also for some 
other included files this is the case.  Also,  -nostdinc only seems to 
be applied to the arch/i386 branch - which means the drivers may be 
getting a different set of include paths.  Perhaps some of your config 
settings are different in different .c files as a result with 
non-standard config options.  Although I kind of doubt the problem is 
this simple, it seems reasonable to clean up the build tree so that it 
has a well isolated include structure.  I think I just volunteered 
myself unless anyone else is already working on it.
Zachary Amsden
zamsden@xxxxxxxxx

Keir Fraser wrote:

> > > *BUT* take it as a reminder to list everything non-standard about your
> > > build and environment when reporting a bug.
> > >      
> > Ok, I understand.
> >
> >    
> >
> > > PS. Can you try building your own Xenolinux with all your config
> > > changes _except_ the ones listed above? i.e. you should have
> > > CONFIG_M686=y and CONFIG_X86_L1_CACHE_SHIFT=5. I expect that the
> > > resulting kernel should not crash.
> > >      
> > It does crash. :)
> >    
> If you're sure that the CPU config options were set to the default,
> and that you booted the correct kernel, then a useful thing to do is
> the following:
> Incrementally remove your config options (i.e. move towards the
> default Xenolinux configuration) until your kernel image no longer
> crashes. 
> Or alternatively:
> Starting from teh default Xenolinux configuration, incrementally add
> your desired extra config options until the resulting kernel image
> starts to crash.
>
> In this way we can pinpoint which kernel config option is causing
> Xenolinux to fail.
>
> -- Keir
>
>
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