On Wednesday 01 February 2006 23:13, John Blackwood wrote:
> I would like to mention a bug with the x86_64 CONFIG_K8_NUMA support.
>
> We have a 4 CPU AMD Opteron (processor 846 -- no dual core) system that
> boots up with a 2.6.15.2-based kernel with NUMA enabled if all the numa
> nodes are populated with memory modules.
>
> If we then pull out the memory module for the 3rd CPU/node, then the
> kernel will no longer boot.
>
> In this configuration, after the grub 'boot' command is entered, no
> output is seen, and the system appears to be hung.
>
> While this is admittedly a 'degraded' configuration, it would be nice
> if the kernel could handle having a middle numbered node without memory.
>
> I believe that removing the 4th CPU's memory module so that only the
> last CPU/node is without memory, then the system boots up fine.
>
> It seems that having a middle node without memory is what causes this
> problem to occur.
Does it boot with numa=noacpi?
If yes then I likely already fixed the bug. But send boot log of
the failure anyways.
-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
