[PVE-User] ksm not working on proxmox ve 1.8

[Giovanni Toraldo]

Hi,

I've noticed that ksm is no more working after upgrading to 1.8:

pveversion -v
pve-manager: 1.8-15 (pve-manager/1.8/5754)
running kernel: 2.6.35-1-pve
proxmox-ve-2.6.35: 1.8-10
pve-kernel-2.6.35-1-pve: 2.6.35-10
qemu-server: 1.1-30
pve-firmware: 1.0-11
libpve-storage-perl: 1.0-16
vncterm: 0.9-2
vzctl: 3.0.24-1pve4
vzdump: 1.2-11
vzprocps: 2.0.11-1dso2
vzquota: 3.0.11-1
pve-qemu-kvm: 0.14.0-2
ksm-control-daemon: 1.0-5

/var/log/ksmtuned

mar apr  5 16:45:49 CEST 2011: total 4041980
mar apr  5 16:45:49 CEST 2011: sleep 415
mar apr  5 16:45:49 CEST 2011: thres 808396
mar apr  5 16:46:49 CEST 2011: committed 3342388 free 282468
mar apr  5 16:46:49 CEST 2011: 4150784 > 4041980, start ksm
mar apr  5 16:46:49 CEST 2011: 282468 < 808396, boost
mar apr  5 16:46:49 CEST 2011: KSMCTL start 300 415
mar apr  5 16:47:49 CEST 2011: committed 3342340 free 280924
mar apr  5 16:47:49 CEST 2011: 4150736 > 4041980, start ksm
mar apr  5 16:47:49 CEST 2011: 280924 < 808396, boost
mar apr  5 16:47:49 CEST 2011: KSMCTL start 600 415
mar apr  5 16:48:49 CEST 2011: committed 3342328 free 291580
mar apr  5 16:48:49 CEST 2011: 4150724 > 4041980, start ksm
mar apr  5 16:48:49 CEST 2011: 291580 < 808396, boost
mar apr  5 16:48:49 CEST 2011: KSMCTL start 900 415
mar apr  5 16:49:49 CEST 2011: committed 3342272 free 291532
mar apr  5 16:49:49 CEST 2011: 4150668 > 4041980, start ksm
mar apr  5 16:49:49 CEST 2011: 291532 < 808396, boost
mar apr  5 16:49:49 CEST 2011: KSMCTL start 1200 415

But *any* page is shared:
cat /sys/kernel/mm/ksm/pages_shared
0

Any hints?

-- 
Giovanni Toraldo
http://www.libersoft.it/

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