Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12

2017-08-17 Thread Gerhard Wiesinger
On 17.08.2017 22:58, Gerhard Wiesinger wrote: > > On 07.08.2017 19:50, Paolo Bonzini wrote: > > >Not much to say, unfortunately. It's pretty much the same capabilities > >as a Prescott/Cedar Mill processor, except that it has MSR bitmaps. It > >also lacks FlexPriority compared to the Conroe I had

Re: Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12

2017-08-08 Thread Niall Walsh
Hi, On 07/08/17 18:50, Paolo Bonzini wrote: Given the rarity of your machine I'm currently leaning towards _not_ reverting the change. I'll check another non-Xeon Core 2 tomorrow that is from December 2008 (IIRC). If that one also lacks vNMI, or if I get other reports, I suppose I will have to

Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12

2017-08-07 Thread Sebastian Rachuj
On 07.08.2017 19:50, Paolo Bonzini wrote: On 07/08/2017 19:17, Sebastian Rachuj wrote: Thank you for looking into the issue. My cpuinfo is as follows: Looks like Intel was already differentiating virtualization features across SKUs. Please run the attached script as root to see what other th

Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12

2017-08-07 Thread Paolo Bonzini
On 07/08/2017 19:17, Sebastian Rachuj wrote: >>> >>> Thank you for looking into the issue. My cpuinfo is as follows: >> >> Looks like Intel was already differentiating virtualization features >> across SKUs. Please run the attached script as root to see what other >> things are different (apparent

Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12

2017-08-07 Thread Sebastian Rachuj
On 07.08.2017 11:43, Paolo Bonzini wrote: On 06/08/2017 23:23, Sebastian Rachuj wrote: On 06.08.2017 23:10, Paolo Bonzini wrote: On 05/08/2017 21:26, Sebastian Rachuj wrote: Dear linux developers, since my upgrade from linux 4.11 to linux 4.12 the "kvm_intel" module does not load correctly an

Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12

2017-08-07 Thread Nadav Amit
Paolo Bonzini wrote: > On 06/08/2017 23:23, Sebastian Rachuj wrote: >> On 06.08.2017 23:10, Paolo Bonzini wrote: >>> On 05/08/2017 21:26, Sebastian Rachuj wrote: Dear linux developers, since my upgrade from linux 4.11 to linux 4.12 the "kvm_intel" module does not load correct

Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12

2017-08-07 Thread Paolo Bonzini
On 06/08/2017 23:23, Sebastian Rachuj wrote: > On 06.08.2017 23:10, Paolo Bonzini wrote: >> On 05/08/2017 21:26, Sebastian Rachuj wrote: >>> Dear linux developers, >>> >>> since my upgrade from linux 4.11 to linux 4.12 the "kvm_intel" module >>> does not load correctly anymore. "Modprobing" the ker

Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12

2017-08-06 Thread Sebastian Rachuj
On 06.08.2017 23:10, Paolo Bonzini wrote: On 05/08/2017 21:26, Sebastian Rachuj wrote: Dear linux developers, since my upgrade from linux 4.11 to linux 4.12 the "kvm_intel" module does not load correctly anymore. "Modprobing" the kernel module gives an Input/Output error. It seems to be related

Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12

2017-08-06 Thread Paolo Bonzini
On 05/08/2017 21:26, Sebastian Rachuj wrote: > Dear linux developers, > > since my upgrade from linux 4.11 to linux 4.12 the "kvm_intel" module > does not load correctly anymore. "Modprobing" the kernel module gives an > Input/Output error. It seems to be related to the CPU architecture and > (to