Re: [Xen-devel] PV guest with PCI passthrough crash on Xen 4.8.3 inside KVM when booted through OVMF

[Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>]

On Mon, Feb 19, 2018 at 06:23:40PM +0100, Juergen Gross wrote:
> On 16/02/18 20:54, Marek Marczykowski-Górecki wrote:
> > Just before the BUG(), there is a call to xen_raw_console_write(). But
> > apparently it was too early...
> 
> Depends.
> 
> With a debug enabled hypervisor and appropriate log levels set
> (guest_loglvl=all) you should see the message in the hypervisor log.

I've tried with guest_loglvl=all, but there was nothing. Wouldn't it
make sense to enable this functionality also in non-debug builds - only
guarded by guest_loglvl=all option?

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?

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