On Wed, 13 Jul 2011 10:14:33 -0700 Chris Wright <chrisw@xxxxxxxxxxxx> wrote: > The function pci_enable_ari() may mistakenly set the downstream port > of a v1 PCIe switch in ARI Forwarding mode. This is a PCIe v2 feature, > and with an SR-IOV device on that switch port believing the switch above > is ARI capable it may attempt to use functions 8-255, translating into > invalid (non-zero) device numbers for that bus. This has been seen > to cause Completion Timeouts and general misbehaviour including hangs > and panics. Applied, thanks. -- Jesse Barnes, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html