[PATCH 0/1] [Karmic SRU/Lucid] LP#519448 -- reenable XEN in generic-pae

Tim Gardner tim.gardner at canonical.com
Tue Feb 9 21:03:22 UTC 2010


Andy Whitcroft wrote:
> There has been some discussion about XEN not working with the 32bit kernels
> in both Karmic and Lucid it seems that when we moved from having a server
> flavour to having a generic-pae flavour in 32bit we moved from M686
> to M586 for that PAE based kernel. XEN dom-U now does not work because
> it is dependant on TSC support in the processor. Note that the Jaunty
> server flavour config was CONFIG_M686 which includes TSC automatically.
> It does appear from Wikipedia that PAE support comes after TSC support
> in the Pentium timeline and therefore we may well be able to enable TSC
> and XEN by switching the generic-pae config over to CONFIG_M586TSC mode,
> as to have PAE capabilities you must also have a TSC. M586TSC is basically
> just M586 (what we have now) plus TSC.
> 
> Therefore we propose to move the generic-pae flavour from M586 to M586TSC
> which will reneable XEN as a result.
> 
> Proposing for Lucid and potentially for Karmic SRU.
> 
> Comments?
> 
> -apw
> 
> Andy Whitcroft (1):
>   UBUNTU: [Config] generic-pae switch to M586TSC
> 
>  debian.master/config/amd64/config.common.amd64     |    1 +
>  debian.master/config/config.common.ubuntu          |    2 --
>  debian.master/config/i386/config.common.i386       |    1 -
>  debian.master/config/i386/config.flavour.386       |    2 ++
>  debian.master/config/i386/config.flavour.generic   |    2 ++
>  .../config/i386/config.flavour.generic-pae         |    4 +++-
>  debian.master/config/lpia/config.common.lpia       |    1 +
>  7 files changed, 9 insertions(+), 4 deletions(-)
> 
> 

For Karmic:

Acked-by: Tim Gardner <tim.gardner at canonical.com>

-- 
Tim Gardner tim.gardner at canonical.com




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