On 02/15/2017 08:30 PM, Alex Williamson wrote:

On Wed, Feb 15, 2017 at 5:53 PM,taii...@gmx.com  <taii...@gmx.com>  wrote:

This is for a server, so that isn't useful.

I can't understand why the maintainers of vfio don't do a hard reset if
FLR doesn't work.

You have a graphics card that supports FLR?  An FLR doesn't return a
status, how do we know it didn't work?  If a device has a known broken
reset mechanism, report it and maybe we can avoid using it.  There is no
standard way to remove power from a slot unless you have a hotplug capable
slot.

I coincidentally checked the manual of my boards chipset (AMD SR5690) and it turns out the slots do support hotplug, does anyone know how can I configure this? the info I see on the internet is really vague.
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