Re: [Xen-devel] Is: EPT violations. Was:Re: Problems with pci/vga passthrough

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 24.01.17 at 16:59, <didi.debian@xxxxxxxxx> wrote:
> Reported it at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=852324 but 
> given Ben Hutchings' reaction it seems to be a Xen problem after all.
> 
> Relevant part of earlier attached dmesg:
> 
> [   13.588386] WARNING: CPU: 18 PID: 1 at 
> /build/linux-zDY19G/linux-4.8.15/arch/x86/mm/dump_pagetables.c:225 
> note_page+0x5e8/0x790
> [   13.588388] x86/mm: Found insecure W+X mapping at address 
> ffff880000000000/0xffff880000000000
> ...
> [   13.608867] x86/mm: Checked W+X mappings: FAILED, 4602 W+X pages found.

Now this is a know issue, but I'm pretty convinced one that's entirely
unrelated to your problem.

Jan


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