On Fri, Jul 24, 2020 at 8:32 AM Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> wrote: > > Hi Robert, > > > Unfortunately it appears that this ASMedia PCIe-PCI bridge: > > > > 02:00.0 PCI bridge [0604]: ASMedia Technology Inc. ASM1083/1085 PCIe > > to PCI Bridge [1b21:1080] (rev 04) > > > > doesn't cope with ASPM properly and causes a bunch of PCIe link > > errors. (This is in addition to some broken-ness known as far back as > > 2012 with these ASM1083/1085 chips with regard to PCI interrupts > > getting stuck, but this ASPM problem causes issues even if no devices > > are connected to the PCI side of the bridge, as is the case on my > > system.) > > > > Might need a quirk to disable ASPM on this device? > > Yes I think it's a great idea to do it. > > Can you please file a bug on [1] and we can continue our discussion there. > > [1] https://bugzilla.kernel.org Hi, I created a bug entry earlier as a result of another discussion, which includes the debug info as well as a proposed patch: https://bugzilla.kernel.org/show_bug.cgi?id=208667
