Re: xen on amd64 on dual core amd box

[lsorense@csclub.uwaterloo.ca (Lennart Sorensen)]

On Mon, Apr 02, 2007 at 08:17:34AM +1000, Alex Samad wrote:
> nope 2.6.18
> debxen:~# COLUMNS=150 dpkg -l '*xen*' | grep ^ii
> ii  linux-image-2.6-xen-amd64       2.6.18+6                        Linux
> kernel 2.6 image on AMD64
> ii  linux-image-2.6.18-4-xen-amd64  2.6.18.dfsg.1-12                Linux
> 2.6.18 image on AMD64
> ii  linux-modules-2.6.18-4-xen-amd6 2.6.18.dfsg.1-12                Linux
> 2.6.18 modules on AMD64
> ii  xen-hypervisor-3.0.3-1-amd64    3.0.3-0-2                       The Xen
> Hypervisor on AMD64
> ii  xen-linux-system-2.6.18-4-xen-a 2.6.18.dfsg.1-12                XEN system
> with Linux 2.6.18 image on AMD64
> ii  xen-tools                       3.1-1                           Tools to
> manage debian XEN virtual servers
> ii  xen-utils-3.0.3-1               3.0.3-0-2                       XEN
> administrative tools
> ii  xen-utils-common                3.0.3-0-2                       XEN
> administrative tools - common files
> 
> 
> 
> Apr  2 06:48:15 debxen kernel: Timer ISR/3: Time went backwards:
> delta=-63867412 delta_cpu=1824132588 shadow=536987137206 off=781032024
>  processed=537832000000 cpu_processed=535944000000
> Apr  2 06:48:15 debxen kernel:  0: 537832000000
> Apr  2 06:48:15 debxen kernel:  1: 535884000000
> Apr  2 06:48:15 debxen kernel:  2: 537752000000
> Apr  2 06:48:15 debxen kernel:  3: 535944000000
> Apr  2 06:48:21 debxen kernel: printk: 7 messages suppressed.

I wonder if that kernel is before they dealt with the TSC being unsyched
on dual core athlon 64's.  I remember quite a bit of discussions and
patches happening some months ago about TSC support on dual core
systems.

--
Len Sorensen