Re: [Xen-devel] Status of FLR in Xen 4.4

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Sep 26, 2013 at 07:59:40PM +0200, Matthias wrote:
> I'm currently on a vanilla 3.8.2 kernel because this is the only >3.4
> kernel I found which doesn't give me this issue:
> http://lists.xen.org/archives/html/xen-users/2013-02/msg00114.html

So v3.12 (or rather the latest and greaters of the Linus) has the mechanism
for the NMI - so you can actually see what is causing the stall.

> 
> So I would assume that the kernel should be new enough to handle that. On
> the other hand, as far as I understand the whole process, the kernel itself
> will only deal with the vga card if it is actually bind to the dom0 / to
> it's driver which it is not. Is there any way to test either if the
> ask-command from xl is really executed on dom0 or to test this command
> manually?
> 
> Btw: Hardware is a Radeon HD 5750 and a Radeon HD 5400..

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