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xen-devel
Re: [Xen-devel] Re: [PATCH 0 of 1] Deal with Serial Over LAN (SOL) IPMI
On Mon, Dec 14, 2009 at 04:38:33PM +0000, Keir Fraser wrote:
> On 14/12/2009 15:10, "Konrad Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx> wrote:
>
> > During the testing of Intel blades we found that the Serial Over LAN
> > does not generate IRQs that well. Gary came up with a patch that
> > figures out if it needs to poll or just work as before (IRQ). The benefit
> > of this patch is that you don't need to do:
> >
> > com1=115200,8n1,0
> >
> > but instead can just do com1=115200,8n1 which is great in the field
> > where you don't want the bootup file to change.
>
> Kinda gross, and I'm not sure it's straightforward enough that I trust it on
> all systems that currently work fine (vast majority). I *might* consider it
We (Virtual Iron) were confident enough to make it turned on in our production
builds.
I do not have the list of machines we certified anymore (the web-page went
bye-bye) so I can't give you the test scope data :-(
> if it's a non-default boot option to turn it on. I don't believe that Linux
> does such things either, at least by default.
I am going to defer to Gary on the implementation details.
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