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([2001:b07:6468:f312:436:e17d:1fd9:d92a]) by smtp.gmail.com with ESMTPSA id n10sm29222379wrt.14.2020.01.16.07.10.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 16 Jan 2020 07:10:01 -0800 (PST) Subject: Re: [PULL 20/87] vl: warn for unavailable accelerators, clarify messages To: Laurent Vivier , qemu-devel@nongnu.org References: <1576670573-48048-1-git-send-email-pbonzini@redhat.com> <1576670573-48048-21-git-send-email-pbonzini@redhat.com> <7378ae78-818f-723f-88a7-1556791135f2@redhat.com> From: Paolo Bonzini Message-ID: Date: Thu, 16 Jan 2020 16:10:00 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: <7378ae78-818f-723f-88a7-1556791135f2@redhat.com> Content-Language: en-US X-MC-Unique: tplBK8MZNg-8o0GUEcxGOg-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.61 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 16/01/20 15:50, Laurent Vivier wrote: > Every time I run a non native VM I have this message: > > $ uname -m > x86_64 > $ ./ppc64-softmmu/qemu-system-ppc64 > qemu-system-ppc64: invalid accelerator kvm > qemu-system-ppc64: falling back to tcg > > Is that expected? > > At least it's annoying... it was silently falling back to tcg before > that patch. > > Should the default be set to tcg to avoid the fallback? Richard has posted a patch to fix it, I expect him to include it in his pull request. Paolo