> -----Original Message----- > From: linux-pci-owner@xxxxxxxxxxxxxxx [mailto:linux-pci- > owner@xxxxxxxxxxxxxxx] On Behalf Of jobhunts02@xxxxxxx > Sent: Friday, May 06, 2011 4:27 PM > To: linux-pci@xxxxxxxxxxxxxxx > Subject: PCI Express Max Payload Size > > If both sides of the link have a maximum payload size of 256 bytes, why > wouldn't the maximum payload size supported after the PCI bus scan be > 256 bytes? > > I am running Linux 2.6.32 on a P2020. > -- > 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 When hotplugging a pci device, it will default to 128 after the bus scan. If the parent is set to 256, there will be PCI errors generated when trying to do I/O to/from the card. --jordan hargrave Dell Enterprise Linux Engineering -- 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
