Re: [Xen-devel] xsave=0 workaround needed on 3.2 kernels with Xen 4.1 or Xen-unstable.

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 02.05.12 at 20:42, AP <apxeng@xxxxxxxxx> wrote:
> On Wed, May 2, 2012 at 2:00 AM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>>>> On 30.04.12 at 21:37, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> 
>>>>> wrote:
>>> I somehow thought that this has been fixed but I've been
>>> getting reports that people are running into this.
>>
>> "this" being what? I too thought that all xsave related issues were
>> sorted out by now.
> 
> I see the following crash if I run without xsave=0 with Ubuntu 11.10
> 3.0.0-17 kernel (Intel(R) Core(TM) i7-2620M). I don't see this with
> Xen 4.1.2. Looks like the OSXSAVE bit is not getting set in CR4.

And in the thread starting at
http://lists.xen.org/archives/html/xen-devel/2012-04/msg00426.html
I gave debugging instructions that apparently no-one followed so
far. Without someone seeing the problem doing so I don't think we
will ever get anywhere with this (unless, as also indicated there,
someone can spot something wrong with the code that non-obvious
to everyone else).

Jan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel