--- arch/i386/kernel/mpparse.c.orig 2003-11-28 19:26:19.000000000 +0100 +++ arch/i386/kernel/mpparse.c 2003-12-06 19:35:15.000000000 +0100 @@ -1140,7 +1140,8 @@ */ for (i = 0; i < mp_irq_entries; i++) { if ((mp_irqs[i].mpc_dstapic == intsrc.mpc_dstapic) - && (mp_irqs[i].mpc_srcbusirq == intsrc.mpc_srcbusirq)) { + && (mp_irqs[i].mpc_srcbusirq == intsrc.mpc_srcbusirq) + && (mp_irqs[i].mpc_irqtype == intsrc.mpc_irqtype)) { mp_irqs[i] = intsrc; found = 1; break; --- arch/i386/kernel/pci-pc.c.orig 2003-12-06 19:32:44.000000000 +0100 +++ arch/i386/kernel/pci-pc.c 2003-12-06 19:33:55.000000000 +0100 @@ -1328,6 +1328,18 @@ dev->transparent = 1; } +/* + * Halt Disconnect and Stop Grant Disconnect (bit 4 at offset 0x6F) + * must be disabled when APIC is used (or lockups will happen). + */ +static void __devinit pci_fixup_nforce2_disconnect(struct pci_dev *d) +{ + u8 t; + + pci_read_config_byte(d, 0x6F, &t); + pci_write_config_byte(d, 0x6F, (t & 0xef)); +} + struct pci_fixup pcibios_fixups[] = { { PCI_FIXUP_HEADER, PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX, pci_fixup_i450nx }, { PCI_FIXUP_HEADER, PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454GX, pci_fixup_i450gx }, @@ -1343,6 +1355,7 @@ { PCI_FIXUP_HEADER, PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8367_0, pci_fixup_via_northbridge_bug }, { PCI_FIXUP_HEADER, PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C810, pci_fixup_ncr53c810 }, { PCI_FIXUP_HEADER, PCI_VENDOR_ID_INTEL, PCI_ANY_ID, pci_fixup_transparent_bridge }, + { PCI_FIXUP_HEADER, PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2, pci_fixup_nforce2_disconnect }, { 0 } };