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[94.79.184.225]) by smtp.gmail.com with ESMTPSA id q4sm1564351wru.65.2020.10.07.00.27.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 07 Oct 2020 00:27:24 -0700 (PDT) Subject: Re: Emulate Rpi with QEMU fails To: Paul Zimmerman Cc: =?UTF-8?Q?Alex_Benn=c3=a9e?= , Peter Maydell , qemu-arm , QEMU Developers , Andrew Baumann , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= References: <47dbcad4-3121-b1c3-06fa-abec7c353fb6@gmail.com> <87sgatanti.fsf@linaro.org> <875z7p3t9e.fsf@linaro.org> <87362r3cbt.fsf@linaro.org> <61c49583-c548-a8b2-7106-59011196f430@gmail.com> From: Thomas Schneider <74cmonty@gmail.com> Message-ID: <4da67d13-a774-f62e-ad89-de062cbe81da@gmail.com> Date: Wed, 7 Oct 2020 09:27:23 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.3.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-TUID: Dm45MkAAaV1y Hi, I already considered the host CPU power. However I have this CPU Intel Core 2 Quad Q9550 2,83 GHz and assumed this should be powerful enough for RPi emulation. But maybe my assumption was too optimistic. Am 07.10.2020 um 08:50 schrieb Paul Zimmerman: > On Tue, Oct 6, 2020 at 11:28 PM Thomas <74cmonty@gmail.com> wrote: >> Hello! >> >> Many thanks for your support. >> >> I managed to get emulated RPi starting. >> >> However there's one question I want to ask: >> How can I accelerate the startup sequence? >> I mean booting the emulated RPi takes more than 3 minutes. >> >> Regards >> Thomas > Get a faster computer? ;) > > On my Intel i7 desktop it takes about 40 seconds to boot to the login: > prompt on the serial console, and about 1 min 8 seconds before the > GUI is up. On my 5 year old laptop it's probably twice that. I don't know > of any way to make it go faster. > > - Paul > >> Am 06.10.20 um 11:58 schrieb Alex Bennée: >>> Thomas Schneider <74cmonty@gmail.com> writes: >>> >>>> Hello Paul, >>>> >>>> many thanks for sharing this info. >>>> >>>> Can you confirm that the emulated RPi with your command will use >>>> "internal QEMU" network, means the client cannot be accessed from any >>>> other device in LAN? >>> The support for user-mode and TAP networking is orthogonal to the >>> emulated device. However if you only want a few ports it's quite easy to >>> use port forwarding, e.g: >>> >>> -netdev user,id=unet,hostfwd=tcp::2222-:22 >>> >>> which forwards 2222 to port 22 on the device. I have an alias in >>> .ssh/config for accessing my QEMU devices. >>> >>>> If yes, what is required to setup a TAP connected to host's network >>>> bridge? >>> I'll defer to others for this but generally when I want proper bridged >>> networking for a VM I use virt-manager/libvirt to configure it because >>> it can be quite fiddly to do by hand. >>>