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2322 discussions

Shutdown
by Shlomo Pongratz 17 Apr '20

17 Apr '20

Hi, I'm running sculpt-20.02.img on QEMU and I wonder if the only way to shutdown sculpt is to kill QEMU? Is it the same for real HW (e.g. to push the reset button)? I'm sure it is somewhere in the documentation but I've failed to find it. Best regards, S.P.

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Creating files with the new file manager
by Star Lord 14 Apr '20

14 Apr '20

Hello friends! Can I create files using the new built in file manager? I can view and edit existing files and directories, but can't find an option to create a new file. nooby

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ssh client error
by Star Lord 14 Apr '20

14 Apr '20

Hello friends! I thought it would be a good learning experience to attempt to setup the ssh client on Genode. I've decided not to worry about generating a pair of ssh keys and just test password authentication for now. I'm attempting to connect my laptop running Genode Sculpt 20.02 to a server running Ubuntu 19.10. I created a "host" file in one of my ahci filesystems' root directory and added the following: <host name="192.168.0.140" port="22" user="root" known="no"> >From the logs it seems like the computers recognize and acknowledge each other and, as expected, I receive an error message about a missing public key. Totally normal. But then I receive the following error messages: Error: password authentication denied Access denied for 'none'. Authentication that can continue: publickey,password Warning: rtc not configured, returning 0 It's a strange error message, because I explicitly allowed password authentication on my Ubuntu server. What do you think is causing the problem? I hope its okay that I ask simple questions here on the mailing list. The IRC channel isn't very active. Thanks, nooby

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depot_query: segmentation in _query_blueprint?
by Roman Iten 14 Apr '20

14 Apr '20

Dear Genodians I'm lost and would appreciate some inspiration on how to further debug a problem in a scenario that is similar to `run/depot_query`. My scenario seems to work fine on x86_64 but on 32-bit ARM (base-linux) the `depot_query` component segfaults. Well, it doesn't always segfault but it seems to depend either on the `depot.tar` or the `deploy.config` or both. However, the `deploy.config` and `depot.tar` don't need to change much: only the depot user or the package version may vary. The segfault occurs in `Depot_query::Main::_query_blueprint(...)` when accessing the `node` parameter that has been instantiated by the class `File_content` when calling the lambda. I also need to mention that the segfault reproducibly occurs at the same "to be deployed" runtime (pkg/chroot) - at least for a given `depot.tar` / `deploy.config`. Other, much larger runtime files (~9k) have been processed successfully prior that in `pkg/chroot`. I'm aware that this is a rather vague description and therefore tried to provide a modified the `run/depot_query.run` so it uses my `deploy.config` and `depot.tar`. But no luck, I can't reproduce the problem this way... Has anyone an idea what could possibly lead to a "corrupt" instance of `Xml_node`? Or how to test hypotheses like a stack overflow, ...? Thanks, Roman

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Running sculpt in qemu with networking
by Shlomo Pongratz 13 Apr '20

13 Apr '20

Hi, In the documentation there are instruction to run sculpt in qemu e.g. qemu-system-x86_64 -display sdl -cpu core2duo -machine q35 \ -m 1024 -drive format=raw,file=sculpt-20.02.img However there are no instruction for choosing the right network model for qemu. Is choosing e1000 is a good choice? What is the best practice? Best regards, S.P.

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Adding a components script to Sculpt on Build?
by Lonnie Cumberland 13 Apr '20

13 Apr '20

Hi All, Really getting more into Genode Sculpt now but am still having the problem with the menu items being off the screen in nitpicker, I think that it is, when walking through the VirtualBox sequence from the "Sculpt Operating System 20.02" which references me to : " Use GNU/Linux inside a virtual machine on top of Sculpt There is a ready-to-use package for downloading Debian for the use inside a vir- tual machine along with the ability to use VirtualBox guest additions: https://genodians.org/jws/2019-07-08-download_debian-guest-additions-reload… For configuring and starting the virtual machine, you may find the following guide useful: https://genodians.org/m-stein/2019-03-07-vm-with-sculpt-ce-preview " I am particularly interested in starting up VirtualBox to see how that works but with the "off screen" problem persistent to select the options needed for "vm-with-sculpt-ce-preview" directions, I started to wonder if it might be possible to have some type of "script" that I could add in during the img/iso builds for Sculpt that would automatically select and add in all of the components needed so that I could just boot up this new modified img/iso and have the VirtualBox frontend GUI started up by default? Any ideas on how something like this could be done in Sculpt? On that note, does Genode have plans to update to the latest VirtualBox 6.1.4 (I think that it is now) in the near future? Cheers and have a great weekend, Lonnie

2 3

A question on kernels
by Lonnie Cumberland 11 Apr '20

11 Apr '20

Hi All, I am reading up on Genode with a focus towards Sculpt which I have been able to build and run. Nice work, by the way, to the developers (Norman and team) !!! In my reading on the different kernels, it seems as though Genode can run by itself without a specific kernel, unless I read that wrong. With that in mind, I am wondering if Genode is compiling in the kernel and other components from a Unikernel or LibOS perhaps which could be the case, I guess. If this is true, then how would Sculpt be built without a kernel in place if you were to choose bare metal? Just some jumbled thoughts still as I am still trying to get the full picture for everything. Cheers and have a good weekend, Lonnie

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Scrolling up options in Sculpt in Qemu
by Lonnie Cumberland 09 Apr '20

09 Apr '20

Morning All, I am slowly working through the Sculpt 20.02 documentation and have now figured out how to handle using Qemu after being able to compile up the Sculpt img which is actually easier to use than creating an iso and then running it in virtualbox. With that in mind, I have been able to get partly through the way for installing VirtualBox inside of Sculpt by following the instructions: https://genodians.org/m-stein/2019-03-07-vm-with-sculpt-ce-preview (The Sculpt documentation references using the above link for starting up virtualbox) But it seems that I need to be able to scroll to see some options off the Sculpt screen in Qemu [image: image.png] at the bottom so that I can see the other options. The standard scrolling does not seem to work here and any advice would be greatly appreciated. Making progress each day and I am starting to get a feel for things. Sculpt is much better than I initially thought as I like the fine-grained control. Cheers and have a great day, Lonnie

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Virtualbox seems to crash in Sculpt
by Lonnie Cumberland 09 Apr '20

09 Apr '20

Hi All, I think that I have been able to make some progress on my attempts to get virtualbox started up underSculpt by following the directions: https://genodians.org/m-stein/2019-03-07-vm-with-sculpt-ce-preview Now I get what appears as a crash when I tell it to add the component. [image: image.png] I found it a bit easier to use Qemu (kvm) instead of VirtualBox on my Debian Host. The Qemu (kvm) invocation on my Debian system is: $kvm -smp 2 -cpu core2duo -machine q35 -m 10096 -drive format=raw,file=genode/build/x86_64/var/run/sculpt.img -netdev user,id=vlan0 -net nic,model=e1000,netdev=vlan0 I had to up the RAM to about 10GB as it seemed that in an earlier attempt while viewing the Sculpt log that virtualbox needed 8GB and at least now, it does not crash out due to lack of RAM which is a small step forward. Any ideas? Cheers Lonnie

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Sculpt build process error
by Lonnie Cumberland 08 Apr '20

08 Apr '20

Hi All, While just getting started with Genode, I wanted to follow the Sculpt build process from the Sculpt-20-02.pdf in Section 5 as the objective is to create a sculpt iso. For that, I kept the "image/iso" in the "build/x86_64/etc/build.conf" to see if that would work. I am running everything in a freshly built Ubuntu 18.04 docker container with the Genode Toolchain installed. Everything was going well until I tried: make -C build/x86_64 run/sculpt KERNEL=nova BOARD=pc in which case it gives me an error: ---------------------------------------------- root@9b145a6d1be6:~/project/genode# ./tool/create_builddir x86_64 Successfully created build directory at /root/project/genode/build/x86_64. Please adjust /root/project/genode/build/x86_64/etc/build.conf according to your needs. root@9b145a6d1be6:~/project/genode# mc root@9b145a6d1be6:~/project/genode# ./tool/ports/prepare_port grub2 grub2 download https://github.com/alex-ab/g2fg.git grub2 git Cloning into 'boot'... grub2 update boot grub2 generate grub2.hash root@9b145a6d1be6:~/project/genode# make -C build/x86_64 run/sculpt KERNEL=nova BOARD=pc make: Entering directory '/root/project/genode/build/x86_64' /bin/bash: /root/project/genode/tool/run/run: /usr/bin/expect: bad interpreter: No such file or directory Makefile:323: recipe for target 'run/sculpt' failed make: *** [run/sculpt] Error 126 make: Leaving directory '/root/project/genode/build/x86_64' root@9b145a6d1be6:~/project/genode# ---------------------------------------------- Any ideas what I probably missed in my approach? Cheers, Lonnie

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