On Fri, Oct 19, 2007 at 09:17:23PM +0800, Shane Huang wrote: > Since we have little experience on PCI and MSI here, we had to try to As someone else pointed out, AMD should have *lots* of people with pci and msi experience on the payroll. (Folks here buy AMD-designed pci chips ...) > ONLY > comment out the pci_intx() call in drivers/ata/ahci.c > My system can boot up too with MSI enabled! > > So does it mean that the root cause is our SB700 SATA controller > has a hardware bug where setting INTX_DISABLE in the PCI COMMAND > register masks MSI interrupts too? That's what it sounds like, to me. > And what is the software solution or workaround? Not sure. Sounds like the device driver needs a quirk for this part. The over-worked Jeff Garzik is the maintainer for that driver. You should probably provide the pci device id for this beast. --linas - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
