On Fri, Jan 29, 2016 at 8:31 AM, Bjorn Helgaas <helg...@kernel.org> wrote: > > 991de2e59090 is related to IRQs, so I'd start by printing dev->irq in your > driver before and after you call pci_enable_device(). Add some printks in > pcibios_alloc_irq() and pcibios_enable_device() just to confirm that we got > there and when, e.g., add lines like this:
looks like that commit removed pcibios_enable_irq for parent bridge. pci_enable_device==>pci_enable_bridge==>pci_enable_device==>pcibios_enable_device ==>pcibios_enable_irq without msi enabled. so pci=routeirq may workaround the problem. Thanks Yinghai
