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xen-devel
Re: [Xen-devel] Can I use SGI's kdb with a dom0 pv-ops kernel?
On Tue, Jun 29, 2010 at 03:05:42PM -0700, Bruce Edge wrote:
> I asked this a few weeks ago but didn't get a response, so at the risk of
> being a nag, I'll abbreviate and restate.
>
> I know there are other Xen specific debuggers, but I want to know if there's
> any reason why SGI's kdb, http://oss.sgi.com/projects/kdb, should not be
> included in a dom0 pv-ops kernel?
Upstream is integrating one that I think is in 2.6.33
or 2.6.34. So when we rev up that we will get it for free.
>
> While the patches apply cleanly and build, the result is that one drops into
> kdb on an oops the serial keyboard is non-functional.
> Is this a problem inherent in including an incompatible debugger, or perhaps
> just something wrong in a .config?
What is your serial setup? Are you using the serial console also for
Xen? Is the serial console that Dom0 sees usuable outside kdb? As in,
can you use a null modem connection and poke Dom0 via that?
>
> Does anyone else use this debugger for dom0 work ?
I haven't used it.
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