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[suspend/resume] Debugging via console
Is there any way to have access to some debugging console through
hypervisor for a domU?
The goal is to have some kind of "failback" access for basic printk()
operations for debugging purposes, in case xencons device suspend/resume
goes horribly wrong in a domU.
There is still the HYPERVISOR_console_io hypercall, but I do not know if
it is the proper way to do it. BTW, it is restricted to dom0, except
when Xen is built with debug.
Thanks for your help :)
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