On Wed, Jun 22, 2011 at 11:17 PM, Andi Kleen <andi@xxxxxxxxxxxxxx> wrote: >> >> Why there is only one node instead of two? Is there any thing wrong >> with my machine? > > You have to disable "Node interleaving" (or similarly named) in the BIOS > to get NUMA support in the OS. > > -Andi > There is a "Memory Node Interleaving" section in BIOS and two options that I can choose : SMP or NUMA => no disabled option Either one will get "No NUMA configuration found" in dmesg And I don't see any ACPI SRAT information during boot. the boot command is "swiotlb=65536 ro root=LABEL=/ quiet numa=acpi" Is it correct? (I have no right to change it to debug mode to see if anything wrong) David -- To unsubscribe from this list: send the line "unsubscribe linux-numa" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
