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Groups > linux.kernel > #1705761
| From | Paolo Bonzini <pbonzini@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12 |
| Date | 2017-08-07 20:00 +0200 |
| Message-ID | <ubUtP-3uU-1@gated-at.bofh.it> (permalink) |
| References | <ubcVQ-DP-17@gated-at.bofh.it> <ubB7P-7pO-15@gated-at.bofh.it> <ubBhw-7tc-29@gated-at.bofh.it> <ubMPD-6vW-7@gated-at.bofh.it> <ubTR7-3eW-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 (apparently) between non-Xeon and Xeon Conroes. > > Here you are, I hope it helps: 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 checked. It's not great that even the revert patch doesn't apply cleanly---this is *not* necessarily a boring area of the hypervisor... 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 reconsider that. Paolo
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kvm_intel fails to load on Conroe CPUs running Linux 4.12 "Sebastian Rachuj" <Rachus@web.de> - 2017-08-05 21:30 +0200
Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12 Paolo Bonzini <pbonzini@redhat.com> - 2017-08-06 23:20 +0200
Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12 Sebastian Rachuj <rachus@web.de> - 2017-08-06 23:30 +0200
Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12 Paolo Bonzini <pbonzini@redhat.com> - 2017-08-07 11:50 +0200
Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12 Nadav Amit <nadav.amit@gmail.com> - 2017-08-07 19:20 +0200
Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12 Sebastian Rachuj <rachus@web.de> - 2017-08-07 19:20 +0200
Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12 Paolo Bonzini <pbonzini@redhat.com> - 2017-08-07 20:00 +0200
Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12 Sebastian Rachuj <rachus@web.de> - 2017-08-07 20:50 +0200
Re: Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12 Niall Walsh <lkml@celtux.org> - 2017-08-08 23:50 +0200
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