Here is my new patch as corrected for the the bug 60845. https://bugzilla.kernel.org/show_bug.cgi?id=60845 This is the link to the bug and my comments / conversation on to get the corrections needed. Below is my patch for the bug, please let me know if it gets added finally Alan . --- linux-3.13.6/arch/mips/pci/msi-octeon.c.orig 2014-03-22 17:32:44.762754254 -0400 +++ linux-3.13.6/arch/mips/pci/msi-octeon.c 2014-03-22 17:34:19.974753699 -0400 @@ -150,6 +150,7 @@ msi_irq_allocated: msg.address_lo = ((128ul << 20) + CVMX_PCI_MSI_RCV) & 0xffffffff; msg.address_hi = ((128ul << 20) + CVMX_PCI_MSI_RCV)>> 32; + break; case OCTEON_DMA_BAR_TYPE_BIG: /* When using big bar, Bar 0 is based at 0 */ msg.address_lo = (0 + CVMX_PCI_MSI_RCV) & 0xffffffff; Signed-off-by: nickkrause@xxxxxxxxxxxx Nick