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Re: X11 on intel
El 01/10/15 a les 11.28, Cherry G.Mathew ha escrit:
>>>>>> "Jean-Yves" == Jean-Yves Migeon <jeanyves.migeon%free.fr@localhost> writes:
> Jean-Yves> Le 2015-09-25 11:23, Cherry G. Mathew a écrit :
> >> On 25 September 2015 at 13:01, Robert Swindells <rjs%fdy2.co.uk@localhost> wrote:
> >>> There isn't currently a way of getting accelerated X11 in a Xen
> >>> DOM0 for Intel GPUs. There is PR #49330 basically on this.
> >> I'm working on this (see previous email) - my patches would work
> >> on a machine with RAM <= the dma maximum, but as Manuel pointed
> >> out, our uvm and drm infrastructure itself needs changes to do
> >> this properly.
> >> I really need testing on those patches (which will most certainly
> >> panic()/corrupt memory on a >4GB RAM modern machine), but I need
> >> to see multiple crashes to help chase a few dangling pointers I
> >> haven't got yet.
> Jean-Yves> Any reliable way to be sure that pages are allocated in
> Jean-Yves> +4GiB region?
> Actually no - that was Manuel's point - so short of pulling out your RAM
> until you get 4GB (I don't know if there's a way to limit xen itself to
> 4GB), my patches won't work in any way.
You can use the 'mem' Xen command line parameter:
mem=4G should limit the memory seen by Xen to 4GB.
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