Matías Alejandro Torres wrote: > >> >> That's weird. So, with irqpoll, 2.6.21-rc5 doesn't work while >> 2.6.20.4 does? I looked through the changelog but nothing looks >> suspicious at the first glance. >> >> Can you try 'pci=nomsi'? At first, I though you weren't using MSI. >> You apparently are. >> > > Yes I can. It works too. Thanks for the detailed reporting. It seems MSI in those ATI chipsets are broken. CC'ing Conke Hu. Conke Hu, the whole thread is available at the following URL. It seems we'll have to fix or disable MSI support in the affected chipsets. Please advise. http://thread.gmane.org/gmane.linux.ide/17516 -- tejun - 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