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Re: [Xen-devel] debugger updates...

To: Neo Jia <neojia@xxxxxxxxx>
Subject: Re: [Xen-devel] debugger updates...
From: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
Date: Fri, 07 Nov 2008 10:52:04 -0800
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kdb is intended to debug xen hypervisor... can be used for dom0 also.
gdbsx is intended to debug domU (PV or HVM).

Thanks,
Mukesh

Neo Jia wrote:
Can I use this to debug Xen or it is just for dom0?

Thanks,
Neo

On Thu, Nov 6, 2008 at 6:58 PM, Mukesh Rathor <mukesh.rathor@xxxxxxxxxx> wrote:
Hi all,

FYI... I've updated the debuggers (kdb + gdbsx) tree.  Here's a summary:

 - Refresh to changeset 18711

 - gdbsx: Add support for HVM guest debug.
          Support for kernel module debug in PV linux guests (via pgd3val)
          Include gdb macros (in README) for linux kernel/module debug

 - kdb: HVM guest debug support (set bp, single step)
        Display VMCB/VMCS structs, more structs, etc.
        Generic Trace function: to quickly debug something, esp, timing
                                related problems
        General kdb trap func: kdb_trap_immed() to break into kdb anywhere,
                               possibly based on a condition.....

See READMEs in http://xenbits.xensource.com/ext/debuggers.hg

Thanks,
Mukesh


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