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2322 discussions

Rust bindings?
by Sam Crow 08 Sep '22

08 Sep '22

Hello again!I was going to try to install Wasmer to Genode but it is written in Rust. Are there Rust bindings for Genode yet? If not, can I help get them going?

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Using Quectel EG25-G in ECM mode on PC
by Duss Pirmin 04 Sep '22

04 Sep '22

Hello Genodians In the Release notes, I read that on the Pinephone it is possible to use the Quectel EG25-G in ECM mode to communicate over LTE. Which I find is a really great feature. We have a hardware (UP-Xtreme i7 8th gen) which comes with the same modem. I really like the idea of using the modem in this way. As far as I understand, the run script `run/modem_pinephone.run` of the `genode-allwinner` repository does exactly that. My plan is to create a PC version of `pinephone_modem` that controls the modem. Do you think, this is possible? Currently I do not have a idea what serial port I should use to connect to the command channel of the modem. On the Pinephone, `ns16550_uart` is used to do that. Which serial port should be used on the PC platform? Regards, Pirmin

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Announcement: Genode OS Framework version 22.08 released
by Norman Feske 31 Aug '22

31 Aug '22

It's my pleasure to announce today's release of Genode version 22.08. The new version puts the spotlight on the emerging phone variant of Sculpt OS, which is the culmination of the intensive work towards our vision of a Genode-based smart phone over the past 18 months. For the first time, we are able to browse https://genodians.org via a mobile-data connection with Genode on the PinePhone! Calling me excited would be a gross understatement. With the growing sophistication of Genode systems like this comes the desire for system-wide performance analysis for taking informed optimization steps. This is where the new trace recorder enters the picture, which allows for the gathering of detailed behavioral traces of components and their interplay. As the first success story of the new tooling, the release profoundly improves Genode's network performance. It goes without saying that the new version touches many more topics. Here is a quick summary: - Emerging phone variant of Sculpt OS - Modem driver with support for telephony and mobile data - Drivers for USB, Mali-400 GPU, SD-card ported from Linux - Custom touch-friendly administrative user interface - Chromium-based Morph web browser - Enhanced tooling for system tracing - Improved network performance - USB networking via Ethernet control model - Optimizations of the Linux-device-driver environment - Qt5 updated to version 5.15.2 - Support for USB smart cards via PKCS#11 - VirtIO block, network, input, and display drivers for RISC-V - Improved UEFI support For the whole story, please enjoy the detailed release documentation: https://genode.org/documentation/release-notes/22.08 Cheers Norman -- Dr.-Ing. Norman Feske Genode Labs https://www.genode-labs.com · https://genode.org Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth

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Missing pc_usb_host_drv and usb_hid_drv
by Sam Crow 26 Aug '22

26 Aug '22

Also posted at https://github.com/genodelabs/genode/issues/4593I'm trying out the Nova microhypervisor with the line:make run/demo KERNEL=nova BOARD=pcand I get the error:Error: incomplete or missing recipe (genodelabs/src/pc_usb_host_drv genodelabs/src/usb_hid_drv)I'm following the Genode Foundations 21.05 pdf and tried the typing in the suggested help message from the error handler:update depot: /home/samuraicrow/Documents/genode/tool/depot/create genodelabs/bin/x86_64/base-nova genodelabs/bin/x86_64/demo genodelabs/bin/x86_64/global_keys_handler genodelabs/bin/x86_64/init genodelabs/bin/x86_64/nit_focus genodelabs/bin/x86_64/nitpicker genodelabs/bin/x86_64/report_rom genodelabs/bin/x86_64/rom_filter genodelabs/pkg/x86_64/drivers_interactive-pc CROSS_DEV_PREFIX=/usr/local/genode/tool/21.05/bin/genode-x86- DEPOT_DIR=/home/samuraicrow/Documents/genode/depot UPDATE_VERSIONS=1 FORCE=1 REBUILD= -j8 and it executes but doesn't help. When trying again it yields the same error.I'm trying to run this on Manjaro Linux x86_64 XFCE. My hardware is an 8 year old gaming rig with a 3rd gen i7 CPU and 32 GB of DDR3. It has UEFI firmware and the USB3 is working under Linux.Are there any suggestions of how to get around this?

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using a C library within a VFS plugin
by Stefan Thöni 19 Aug '22

19 Aug '22

Dear Genodians I would like to use a C library (wolftpm) from within a VFS plugin. I have tried the following: - using with_libc which segfaulted - creating a pthread which didn't start (result EINVAL). I came to the conclusion that some prerequisite was missing from the environment. - calling with_libc from within a Genode::Thread, which yielded "Error: pthread_self() called from alien thread named 'tpm'" So what is the proper way to do this? Bests Stefan -- Freundliche Grüsse Stefan Thöni Senior Security Architect +41 79 824 11 90 gapfruit AG Baarerstrasse 135 6300 Zug https://gapfruit.com

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Error While genode for ARM generation
by Dixit Parkhiya 09 Aug '22

09 Aug '22

Hello Genodians, I'm trying to generate a genode image for ARM architecture. to be precise imx8q_evk board Currently i follow article "Sculpt OS 21.10 on ARM" by Stefan Kalkowsi https://genodians.org/skalk/2021-10-25-sculpt-arm For ARM toolchain and Packages i'm using "Docker Container" http://genodians.org/skalk/2020-09-29-docker-devel (I'm using genode-docker-devel for docker) (this docker image should contains all packages and toolchain but still need to install some packages) able to download all third party software tool/ports/prepare_port bash coreutils curl dde_linux dde_rump ...... but during depot directory facing this problem. tool/depot/create genodelabs/pkg/arm_v8a/sculpt-imx8q_evk genodelabs/bin/arm_v8a/base-hw-imx8q_evk CROSS_DEV_PREFIX=/usr/local/genode/tool/21.05/bin/genode-aarch64- UPDATE_VERSIONS=1 -j8 *[Please have a look at attached Screenshot of Error message]* *"aclocal-1.15" is missing* while look into the system found that aclocal is part of GNU basically. And version of installed aclocal is 1.16 (newer than required) and also if I change aclocal(automake) version then it may not be compatible with current GNU and create problems in future. Thanks & Regards

2 1

invalid signal-context capability
by Stefan Thöni 19 Jul '22

19 Jul '22

Hello Genodians I'm debugging an "invalid signal-context capability" but I can't pinpoint the bug. From my understanding an "invalid signal-context capability" happens when the signal handler is destroyed before the signal is processed. I have therefore carefully looked at the lifetime of all signal handlers and their corresponding signals, refactoring code to allow signals to be processed before destroying signal handlers. Is there another condition that triggers an "invalid signal-context capability" besides destroying the signal handler before any corresponding signal is processed? Does anyone have any tips on how to find which signal handler caused an "invalid signal-context capability" or where the signal originated? Best regards Stefan -- Freundliche Grüsse Stefan Thöni Senior Security Architect +41 79 824 11 90 gapfruit AG Baarerstrasse 135 6300 Zug https://gapfruit.com

2 1

Monitoring components for CPU/segmentation faults
by Duss Pirmin 18 Jul '22

18 Jul '22

Hello Genodians While searching for a solution to the problem of misbehaving components I stumbled upon `test-fault_detection` which gave me the idea to let init monitor the PD/CPU session of its children and report the error. The idea is that a monitor component can then decide what to do about the failure. I have drafted what I envision in [1]. It is not yet complete, as I'm not sure on how to safely remove the signal handlers if in a config change the monitoring is disabled. If you think this feature would be useful, I'd create an issue where the implementation details could be discussed. On the other hand maybe someone has an other idea how a similar functionality can be achieved. [1] https://github.com/trimpim/genode/tree/sandbox-fault_detection

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How to operate Genode on a machine without graphical output
by Jacek Rużyczka 12 Jul '22

12 Jul '22

Good evening, I am strongly interested to install the current Genode / SculptOS release on a server without graphical output, just with a serial terminal (VT100). As I haven't found this issue addressed in the official Genode docs, I'd like to ask here how to make Genode's UI, including the "Leitzentrale" on a 25×80 char device. Thank you. Regards Jacek Rużyczka

2 1

terminal interface for tests
by genode.org＠netorderly.com 30 Jun '22

30 Jun '22

Hello, is it possible to launch and execute commands on a Genode VM completely through a Linux terminal? I tried qemu's '-nographic' option but it doesn't work. The reason I need this is because I want to make some changes to a compiler that has Genode support. I need to make some changes to the Genode specific code generation. I would like to do this as a test workflow on GitHub. Thanks!

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