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charset="UTF-8" X-Stat-Signature: tdh53gyybpqxiy1siksw6kuqb5o9hxgq X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 1023340008 X-Rspam-User: X-HE-Tag: 1685017342-663241 X-HE-Meta: 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 d2nGJY6l hEf69o4r2utq9Zt3g/EgZ4aAa5zuohK6FTkWTq/UM/AA1Q+QLXJtmTmejKZdr8b9GYVMU5iLll3hhdrVK30y4yNH8anFNTP40He+1vF8fWVXTLNuUwHKUHNf1/rO2WJ84TLZKKZKEWpTjrzfaG237LCOy6z0oLgHvW+dRH9Xcgu0MeU2ur5it0GNTr4A5alHKHXD8xtLNmqKnVyH2twpdIRzHLfgusnkamGBZrc6/TDUr69bfV7zUsTHWXVdrf7tAwz3Js6gZswBgZLk= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, 25 May 2023 at 02:03, Arnd Bergmann wrote: > > On Wed, May 24, 2023, at 19:54, Peter Zijlstra wrote: > > On Wed, May 24, 2023 at 09:39:50PM +0530, Naresh Kamboju wrote: > >> FYI, > >> These are running in AWS cloud as qemu-i386 and qemu-x86_64. > > > > Are these hosted on x86 and using KVM or are they hosted on Graviton and > > using TCG x86 ? > > > > Supposedly TCG x86 is known 'funny' and if that's what you're using it > > would be very good to confirm the problem on x86 hardware. I see the following logs while booting. <3>[ 1.834686] kvm_intel: VMX not supported by CPU 0 <3>[ 1.835860] kvm_amd: SVM not supported by CPU 0, not amd or hygon And they are running on x86 machines. > > Even on x86 cloud instances you are likely to run with TCG if > the host does not support nested virtualization. So the question > really is what specific cloud instance type this was running > on, and if KVM was actually used or not. From what I could > find on the web, Amazon EC2 only supports KVM guests inside of > bare-metal instances but not any of the normal virtualized ones, > while other providers using KVM (Google, Microsoft, ...) do support > nested guests. > > Arnd