Re: [Xen-ia64-devel] Xen/IA64 Healthiness Report -- Cset #16540

[Alex Williamson <alex.williamson@xxxxxx>]

On Fri, 2007-12-07 at 13:53 +0800, Mu, Qin wrote:
> Xen/IA64 Healthiness Report --- Cset #16540
> 
> =================================================================
> Test Result Summary:
>       
>       In this lightly validation for Cset# 16540, neither linux nor
> window guest HVM could be created by using latest open guest firmware.
> Fortunately, switching to use Intel guest firmware with "-c" option of
> xm create command can avoid this problem. 
>       To keep the auto lightly validation workable, the combination of
> Intel guest firmware and "-c" option will be used as workaround for next
> lightly validations of new Csets until the above problem is removed.

   This was an issue with the new 16550A UART driver in QEMU.  Seems it
wasn't dropping characters when there was no client to read them, so the
GFW was probably stuck waiting for the clear to send signal.  In my
testing, either GFW works correctly with the -c option.  You can also
comment out the serial line in the domain config file to avoid the
issue.  This should be fixed on the next pull from upstream.  Thanks,

        Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.


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