Am Dienstag, den 06.05.2014, 17:18 +0200 schrieb Arnd Bergmann: > On Monday 05 May 2014, Alexander Duyck wrote: > > Glad to hear that this is working on your ARM platform as expected. > > > > I believe the issue Shiv is having is due to a problem with the specific > > platform as the IGB device is reporting a Data Link Protocol error via > > AER and I believe this is what is causing his platform issues. On > > enabling BME the device is likely signalling a Fatal Error message in > > response to the DLP error. The original error he was seeing was: > > > > Unhandled fault: imprecise external abort (0x1406) at 0x00000000 > > This isn't too uncommon. There are a couple of traditional PCI host drivers > that register an imprecise external abort handler to catch this and > then look at the host controller registers. > > Out of the pcie hosts, only drivers/pci/host/pci-imx6.c catches > this error, but it then goes on to ignore it, not even printing > a message about it. > I think this handler is mostly there to handle the imprecise external abort happening on DW pcie IP if the bus scan tries to access an non-existent device. That's why it silently ignores this error. BTW: I can confirm that igb i350 works on i.MX6. Regards, Lucas -- Pengutronix e.K. | Lucas Stach | Industrial Linux Solutions | http://www.pengutronix.de/ | _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-arm-kernel