[Xen-devel] Re: kdb does not support XEN?

["qihao.xi" <qiho.xi@xxxxxxxxx>]

On Tue, Dec 21, 2010 at 11:47:01AM +0800, qihao.xi wrote:
>Hi  all,
>
>I want to debug Dom0 driver when installing XEN SERVER5.6 ISO. 
>The XS5.6 kernel is 2.6.27.42-0.1.1  I downloaded 
>"kdb-v4.4-2.6.27-rc8-common-1.1" and
>"kdb-v4.4-2.6.27-rc8-x86-1". After patching, kdb configure does not
>appear.
>
>I found the below:
># cat  arch/x86/Kconfig.debug|grep -A10 KDB
>config KDB
>       bool "Built-in Kernel Debugger support"
>               depends on DEBUG_KERNEL && !XEN
>
>This mean kdb does not support XEN? If yes, how to debug Dom0 driver?
>Thanks!
>

I unpack the XS5.6 source code "linux-2.6.27.42-0.1.1.xs5.6.0.44.111158".
In "linux-2.6.27.42-0.1.1.xs5.6.0.44.111158/arch/x86/Kconfig.debug"

config KDB
        bool "Built-in Kernel Debugger support"
        depends on DEBUG_KERNEL && !XEN

Why disable XEN? I should use unstable kernel to debug? How to get it? 
Any suggestion is appreciated. 

Thanks!



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