Re: [Xen-devel] Testing status of HVM (Intel VT) on 64bit XEN unstable c/s 11616

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 26/9/06 16:33, "Ed Smith" <esmith@xxxxxxxxxxxxxxx> wrote:

>> any chance you can test with debug=y ? The back-traces aren't
>> really very useful otherwise.
> 
> These are automated builds and tests that run each night.  We don't
> normally build a debug XEN as we try and test the bits a customer
> would run.  If these backtraces are useful in the release build how
> will we diagnose crashes on a customer's site?

They take more deciphering, sometimes with the aid of the xen-syms file, as
the backtrace contains functions that aren't really in the call chain (and
misses some that are). It's less time consuming with a debug build, and
there's less reliance on the xen-syms file, as we include frame pointers.

Trying to match customer bits doesn't make sense. There is no customer for
these bits! So why throw away debug info during development testing just
because there are situations where debug info is not available? Is it
considered good training for developers? :-)

 -- Keir



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