On Tue, Jan 24, 2017 at 09:00:07PM +0800, Cao jin wrote: > It take me for a long while to find what I missed. I missed much > details in pci-error-recovery.txt, and I was not conscious of a > multi-function device which could have different functions(driver) on it. > > Thank you both. Pls note the actual code isn't always in sync with the documentation. You want to look at that too. -- MST