On 02/23/2008 12:48 PM, Vegard Nossum wrote: > > I don't see the connection between (no-)smp and ata. Something with > interrupt routing/IPI, missing irq ack? Booting another !SMP kernel > works fine. The problem also exists in 2.6.24-rc2. > "nosmp" disables the IO-APIC which will change interrupt handling. If you just want to enable a single CPU, use "maxcpus=1". - 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