On Fri, 28 May 2010 20:24:22 -0700 "Michael Chan" <mchan@xxxxxxxxxxxx> wrote: > When switching from the crashed kernel to the kdump kernel without going > through PCI reset, IRQs may not work if a different IRQ mode is used on > the kdump kernel. The original IRQ mode used in the crashed kernel may > still be enabled and the new IRQ mode may not work. For example, it > will fail when going from MSI-X mode to MSI mode. > > We fix this by disabling MSI/MSI-X and enabling INTX in bnx2_init_board(). > > pci_save_state() is also moved to the end of bnx2_init_board() after > all config register fixups (including the new IRQ fixups) have been done. > > Export pci_msi_off() from drivers/pci/pci.c for this purpose. > > Update bnx2 version to 2.0.16. This is probably a generic problem for many drivers. So why not get the kdump code to fix it for all. -- 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
