Re: [Xen-users] [Xen-devel] Xen 4 TSC problems

[Mauro <mrsanna1@xxxxxxxxx>]

On 28 February 2011 16:54, Olivier Hanesse <olivier.hanesse@xxxxxxxxx> wrote:
> Yes this is what I mean.
> I am glad to hear that it isn't a bad sign :)
> I thought of a bad sign, because on system with "reliable TSC", this counter
> is always 0.

Hey men.
I have exactly the same problem.
I have two cluster nodes.
Server are two HP Proliant DL 580 G4 with four Quad Core Intel(R)
Xeon(R) CPU E7330  @ 2.40GHz.
I'm running debian squeeze in dom0s end domUs.
xm info:

host                   : xen-p01
release                : 2.6.32-5-xen-amd64
version                : #1 SMP Sun May 6 08:57:29 UTC 2012
machine                : x86_64
nr_cpus                : 16
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 2400
hw_caps                :
bfebfbff:20100800:00000000:00000940:0004e3bd:00000000:00000001:00000000
virt_caps              : hvm
total_memory           : 65532
free_memory            : 40317
node_to_cpu            : node0:0-15
node_to_memory         : node0:40317
node_to_dma32_mem      : node0:3256
max_node_id            : 0
xen_major              : 4
xen_minor              : 0
xen_extra              : .1
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
xen_commandline        : placeholder dom0_mem=3072M loglvl=warning
guest_loglvl=warning
cc_compiler            : gcc version 4.4.5 (Debian 4.4.5-8)
cc_compile_by          : ultrotter
cc_compile_domain      : debian.org
cc_compile_date        : Sat Sep  8 19:15:46 UTC 2012
xend_config_format     : 4

I'm experiencing weekly a clock jump ahead of about 50 minutes on dom0.
I'm seriously in trouble because it cause every time a reboot of one
of the two nodes clusters.

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