Am Tue, 15 Jan 2019 04:09:03 -0800 schrieb Chung-Fan Yang <[email protected]>:
> > Did you regenerate the root cell config after adding the card? Or > > manually added the additional entries needed for it? Something went > > wrong in that area. > > I regenerated the config and cross checked with the working one. > Nothing vicious was found. > > I did notice that the IRQ was an IO-APIC IRQ in the /proc/interrupts. > I think this is the problem. I am working on a MSI version of the > driver. A jailhouse assignment resets devices and removes the pci bus master config flag from them. I am not sure about the "jailhouse enable" case, but assigning the card to another cell can clear the bus master flag, which is a common case for MSI not working. A proper linux pci driver will take care of that once msi is used, but if i understand you correctly you are extending an existing driver and maybe the bus master init was overlooked. Henning > ----- > Yang > -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
