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([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id x11sm109178wmi.3.2021.03.16.10.33.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 16 Mar 2021 10:33:48 -0700 (PDT) Subject: Re: Windows 10 won't run on default x86_64 machine anymore To: Igor Mammedov References: <20210315185302.29b0d90d@redhat.com> <20210316015503.GA1008366@private.email.ne.jp> <20210316131304.220a53b9@redhat.com> <9e2e1d83-29c1-053a-fd43-187f6f824b39@redhat.com> <20210316141044.311688bb@redhat.com> <20210316174914.50efc26b@redhat.com> From: Paolo Bonzini Message-ID: <6cd8d02b-aa48-5fa9-a1fb-bc3fea43b1e2@redhat.com> Date: Tue, 16 Mar 2021 18:33:47 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <20210316174914.50efc26b@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=63.128.21.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.25, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Reinoud Zandijk , qemu-devel@nongnu.org, Isaku Yamahata Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 16/03/21 17:49, Igor Mammedov wrote: > | smm=on | smm=off | > -------------------------------------------------- > QEMU6.0 pc-i440fx-5.2 | pass | pass | > defaut smm-compat=on | | | > -------------------------------------------------- > QEMU6.0 pc-i440fx-6.0 | pass | fail | > defaut smm-compat=off | | | > -------------------------------------------------| > > so it will break booting Windows on accelerators that do not support smm > by default starting from pc-i440fx-6.0 machine type. > > It asserts in: 0xa5_FAILED_ACPI_TRANSITION_ACPI!ACPIEnableEnterACPIMode Since smm is part of the guest ABI, can we just set use "!smm || smm-compat" whenever we use smm-compat right now? Paolo