Sinan, On Sat, Oct 3, 2020 at 12:08 AM Sinan Kaya <okaya@xxxxxxxxxx> wrote: > > On 9/30/2020 3:05 AM, Ethan Zhao wrote: > > When uncorrectable error happens, AER driver and DPC driver interrupt > > handlers likely call > > > > pcie_do_recovery() > > ->pci_walk_bus() > > ->report_frozen_detected() > > > > with pci_channel_io_frozen the same time. > > We need some more data on this. If DPC is supported by HW, errors > should be triggered by DPC not AER. > > If I remember right, there is a register that tells which AER errors > should be handled by DPC. When uncorrectable errors happen, non-fatal severity level, AER and DPC could be triggered at the same time. Thanks, Ethan >