On Wed, Jun 19, 2013 at 3:05 AM, Vasilis Liaskovitis
<vasilis.liaskovitis@xxxxxxxxxxxxxxxx> wrote:
> On Tue, Jun 18, 2013 at 01:19:12PM -0700, Yinghai Lu wrote:
>> On Tue, Jun 18, 2013 at 10:10 AM, Vasilis Liaskovitis
>> <vasilis.liaskovitis@xxxxxxxxxxxxxxxx> wrote:
>> >> could be found at:
>> >> git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-x86-mm
>> >>
>> >> and it is based on today's Linus tree.
>> >>
>> >
>> > Has this patchset been tested on various numa configs?
>> > I am using linux-next next-20130607 + part1 with qemu/kvm/seabios VMs. The kernel
>> > boots successfully in many numa configs but while trying different memory sizes
>> > for a 2 numa node VM, I noticed that booting does not complete in all cases
>> > (bootup screen appears to hang but there is no output indicating an early panic)
>> >
>> > node0 node1 boots
>> > 1G 1G yes
>> > 1G 2G yes
>> > 1G 0.5G yes
>> > 3G 2.5G yes
>> > 3G 3G yes
>> > 4G 0G yes
>> > 4G 4G yes
>> > 1.5G 1G no
>> > 2G 1G no
>> > 2G 2G no
>> > 2.5G 2G no
>> > 2.5G 2.5G no
>> >
>> > linux-next next-20130607 boots al of these configs fine.
>> >
>> > Looks odd, perhaps I have something wrong in my setup or maybe there is a
>> > seabios/qemu interaction with this patchset. I will update if I find something.
>>
>> just tried 2g/2g, and it works on qemu-kvm:
>
> thanks for testing. If you can also share qemu/seabios versions you use (release
> or git commits), that would be helpful.
QEMU emulator version 1.5.50, Copyright (c) 2003-2008 Fabrice Bellard
it is at:
commit 7387de16d0e4d2988df350926537cd12a8e34206
Merge: b8a75b6 e73fe2b
Author: Anthony Liguori <aliguori@xxxxxxxxxx>
Date: Fri Jun 7 08:40:52 2013 -0500
Merge remote-tracking branch 'stefanha/block' into staging
start command:
#for 64bit numa
/usr/local/kvm/bin/qemu-system-x86_64 -L /usr/local/kvm/share/qemu
-enable-kvm -numa node,nodeid=0,cpus=0-1,mem=2048 -numa
node,nodeid=1,cpus=2-3,mem=2048 -smp sockets=2,cores=2,threads=1 -m
4096 -net nic,model=e1000,macaddr=00:1c:25:1c:13:e9 -net user -hda
/home/yhlu/data.dsk -cdrom
/home/yhlu/xx/xx/kernel/tip/linux-2.6/arch/x86/boot/image.iso -boot d
-serial telnet:127.0.0.1:4444,server -monitor stdio
>
> this is most likely some error on my setup, I 'll let you know if I conclude
> otherwise.
>
> thanks,
>
> - Vasilis
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