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Thoughts about FOSDEM 2017
by Norman Feske 08 Feb '17

08 Feb '17

Hello, hereby I'd like to share my impressions from FOSDEM this year. I looked forward to FOSDEM very much - in particular to the microkernel devroom - and all I can say is that it was a pleasure to attend. Thanks to everyone who contributed to it! The following points stood out to me: * The topics in the devroom were nicely diverse, ranging from kernel design, over the use of microkernels in microcontrollers (F9), entertaining experience stories (MINIX), to practical walk throughs (HURD). Even though the projects are not directly working together in term of code developments, the collaborative spirit was clearly there. What a nice and friendly gathering! * I found David Teller's (Redox) take on explaining the benefits of microkernels quite refreshing - highlighting practical aspects like an easier upgrade path for system components compared to monolithic systems. As a side node, it was stunning to see the popularity of the Redox project according to crowd watching the talk. * Martin Decky (HelenOS) briefly presented the idea of forming an open-source microkernel umbrella organization, i.e., to increase the chance of acceptance to GSoC. Admittedly, we (Genode Labs) haven't planned to apply to GSoC (we tried once but were rejected with no feedback). However, personally, I'd support the idea of a joint application of the larger community. Martin and Jakub proposed to use the FOSDEM devroom and thereby the same community that is behind microkernel.info as umbrella organization. This sounds sensible to me as this community already exists to the mutual benefit of everyone involved, and is open for everyone to join. I wonder, do you (the people of the Genode community) have an opinion about this idea, and GSoC in general? * I got very excited about the presentation of the WireGuard project, which is a new take on virtual private networking for the Linux kernel. Not only was the presentation a joy to follow, the project seems to be a perfect fit for a distributed Genode system. It addresses my main concern about existing open-source solutions like OpenVPN and IPSec, namely their daunting complexity. I am not a VPN expert though. From those of you who are familiar with both VPN solutions and Genode, I'd love to hear your thoughts on WireGuard! * I found the SAFE network talk very inspiring in that the project presents a holistic architectural solution to many problems that plague the internet today. Since having watched the talk, I wonder if it would make any sense to have the SAFE launcher available on Genode? Again, thanks to all participants of the devroom (especially Josef), and for the many vivid discussions at FOSDEM. See you next year! Cheers Norman -- Dr.-Ing. Norman Feske Genode Labs http://www.genode-labs.com · http://genode.org Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth

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Fwd: Re: [Genode] Suggestion about mailing list subject
by Martin Stein 07 Feb '17

07 Feb '17

-------- Weitergeleitete Nachricht -------- Betreff: Re: [Genode] Suggestion about mailing list subject Datum: Tue, 7 Feb 2017 09:48:44 -0500 Von: Jeroen "Slim" van Gelderen <askslim@...9...> An: martin.stein@...1... The redundant information clutters up small screens and makes subject lines difficult to read on mobile. I'm not sure what the problem is with filtering messages for these folks. On 7 Feb 2017 07:52, "Martin Stein" <martin.stein@...1... <mailto:martin.stein@...1...>> wrote: I personally let my mail client filter my mails by the destination address into separate folders. This works fine for me. But if an additional prefix is desired, why not. Cheers, Martin Am 07.02.2017 um 12:20 schrieb Parfait Tokponnon: > Hello, > Personally, I think this is very useful, > I receive mails from various mailing lists and this is the best way I > can distinguish at a glance the origin of the mail. > cheers > > 2017-02-07 11:08 GMT+01:00 Christian Helmuth > <christian.helmuth@...1... <mailto:christian.helmuth@...1...> > <mailto:christian.helmuth@...1... <mailto:christian.helmuth@...1...>>>: > > Hello Martín, > > On Mon, Jan 30, 2017 at 07:57:33AM -0500, Martin Iturbide wrote: > > I was wondering if it can be useful to configure the mailing list to > > include on the subject (before the text) something like [Genode] or > > [Genode-Main] . I know that it is easy to set a rule and folder for the > > mailing list messages on the mail client, but in some other cases I like to > > identify visually and fast the messages that are from this mailing list in > > a group of mails. > > > > This is just a thought, I don't know how hard or easy will be to configure > > this on the sourceforge mailing lists. > > Technically this is pretty simple by means of the Mailman > subject_prefix feature. I personally do not like all subject lines > written by users of the list cluttered with some prefix text. But, if > other members of the list also express their demand for this feature > and there's no overly resistance voiced I would enable it > nevertheless. > > Greets > -- > Christian Helmuth > Genode Labs > > https://www.genode-labs.com/ · https://genode.org/ > https://twitter.com/GenodeLabs · /ˈdʒiː.nəʊd/ > > Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden > Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, SlashDot.org! http://sdm.link/slashdot > _______________________________________________ > genode-main mailing list > genode-main(a)lists.sourceforge.net <mailto:genode-main@lists.sourceforge.net> > <mailto:genode-main@lists.sourceforge.net <mailto:genode-main@lists.sourceforge.net>> > https://lists.sourceforge.net/lists/listinfo/genode-main <https://lists.sourceforge.net/lists/listinfo/genode-main> > <https://lists.sourceforge.net/lists/listinfo/genode-main <https://lists.sourceforge.net/lists/listinfo/genode-main>> > > > > > -- > Parfait T. > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, SlashDot.org! http://sdm.link/slashdot > > > > _______________________________________________ > genode-main mailing list > genode-main(a)lists.sourceforge.net <mailto:genode-main@lists.sourceforge.net> > https://lists.sourceforge.net/lists/listinfo/genode-main <https://lists.sourceforge.net/lists/listinfo/genode-main> > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ genode-main mailing list genode-main(a)lists.sourceforge.net <mailto:genode-main@lists.sourceforge.net> https://lists.sourceforge.net/lists/listinfo/genode-main <https://lists.sourceforge.net/lists/listinfo/genode-main>

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Deprecated warnings
by Boris Mulder 07 Feb '17

07 Feb '17

Hi all, Whenever I compile my source with the latest version of Genode, I am getting hundreds and hundreds of deprecated warnings. I understand you might fix them in the future, but they clog my compiler output and make reading other compiler errors a pain. Is there some easy point in the makefiles where I can change it so that I can disable all of them temporarily? I tried appending it to global.mk: CC_WARN ?= -Wall -Wno-deprecated but this still gave me the warnings. Where can I disable it? Regards, Boris -- Met vriendelijke groet / kind regards, Boris Mulder Cyber Security Labs B.V. | Gooimeer 6-31 | 1411 DD Naarden | The Netherlands +31 35 631 3253 (office)

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Some questions
by Hack 06 Feb '17

06 Feb '17

Hi, I am currently using Qubes OS, but with the next release, I will have to upgrade my hardware. And it will cost me a lot. Anyway, I started to look at Genode OS, but I can't find an hardware support list. Questions: 1. How to know if my current configuration will be supported? 2. Is there any 3d support with Genode OS? 3. Is it possible to use Genode OS as desktop OS? Thanks

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tcp_terminal on linux
by Prashanth Mundkur 03 Feb '17

03 Feb '17

Hi, I'm trying to use tcp_terminal on linux. It of course prominently says: # TODO: Add support for Linux via user-level networking (using the # tun/tap proxy driver at os/src/drivers/nic/linux) After disabling the have_spec check, I can compile and run it. After setting the suid bit on drivers/nic/spec/linux/nic_drv to allow it to access /dev/net/tun, I get the following output: genode build completed using 'core-linux' as 'core' using 'ld-linux.lib.so' as 'ld.lib.so' using 'linux_timer_drv' as 'timer' spawn ./core Genode 16.11-146-gc16ee83 <local changes> 17592186044415 MiB RAM assigned to init [init] parent provides [init] service "ROM" [init] service "RAM" [init] service "IRQ" [init] service "IO_MEM" [init] service "IO_PORT" [init] service "PD" [init] service "RM" [init] service "CPU" [init] service "LOG" [init] child "timer" [init] RAM quota: 798720 [init] ELF binary: timer [init] priority: 0 [init] provides service Timer [init] child "nic_drv" [init] RAM quota: 3944448 [init] ELF binary: nic_drv [init] priority: 0 [init] provides service Nic [init] child "tcp_terminal" [init] RAM quota: 2371584 [init] ELF binary: tcp_terminal [init] priority: 0 [init] provides service Terminal [init] child "test-terminal_echo" [init] RAM quota: 798720 [init] ELF binary: test-terminal_echo [init] priority: 0 [init] child "nic_drv" announces service "Nic" [init -> test-terminal_echo] Warning: using legacy main function, please convert to 'Component::construct' [init] child "timer" announces service "Timer" [init -> tcp_terminal] using the pipe libc plugin [init -> tcp_terminal] init_nic_dhcp [init -> tcp_terminal] Using DHCP for interface configuration. [init -> tcp_terminal] using the lwIP libc plugin [init -> nic_drv] no config provided, using tap0 [init -> tcp_terminal] Warning: '<config> <libc> <vfs/>' is deprecated, please move to '<config> <vfs/>' [init -> tcp_terminal] --- TCP terminal started --- [init] child "tcp_terminal" announces service "Terminal" [init -> tcp_terminal] listening on port 8888 with socket 16... [init -> tcp_terminal] adding listen sock 16 to select set Though I can see the tap device, 15: tap0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000 link/ether c2:60:31:f8:52:fc brd ff:ff:ff:ff:ff:ff I don't see any listening socket on port 8888. So clearly there is some missing plumbing. What do I need to do to fill that in? Thanks, --prashanth

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Why DDE BSD for audio?
by Alexander Senier 01 Feb '17

01 Feb '17

Hi all, when looking into Genodes driver support, I was wondering about DDE BSD. The audio_* ports seems to be its only use case. Is there any (technical) justification for not porting audio drivers from Linux using DDE Linux? With USB, WiFi and GMA there were much more complex driver ported using DDE Linux after all... Thanks! Cheers, Alex

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performance benchmark
by Parfait Tokponnon 30 Jan '17

30 Jan '17

Hello all, Is there any benchmark (performance) tool ready to run in Genode? I am trying to introduce some redundant execution scheme into the Nova kernel and I would like to have a hint of the performance impact (on Genode components). Since it is an unfinished work, the demo is the only scenario I can run now. I have read about the trace session in 13.08 release which may help but I failed to build the trace example scenario (to get some insight of the feature) *Here are the outputs* In the master branch: make run/trace ... cp: cannot stat ‘bin/rpc_name’: No such file or directory while executing "exec cp bin/$binary [run_dir]/genode" (procedure "copy_and_strip_genode_binaries_to_run_dir" line 4) invoked from within ... In the 13.08 release make run/trace Makefile:91: /mk/global.mk: No such file or directory make: *** No rule to make target `/mk/global.mk'. Stop. I also read about the* TCP/IP Automated benchmarking* in 13.05 release. In the master branch: make run/network_test_nic_raw Error: No run script for network_test_nic_raw In the 13.05 release Makefile:91: /mk/global.mk: No such file or directory make: *** No rule to make target `/mk/global.mk'. Stop. Any suggestion is welcom. -- Parfait T.

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Genode on Odroid-XU4
by Yevgeny Lavrov 24 Jan '17

24 Jan '17

Greetings I would like to try Genode on Odroid-XU4. I aware that there's no support available for this ARM device yet. However, I want to give it a try, but I don't know where to start. Can you please point me in the right direction so I can find the information that I'll need to get started this task? Thanks

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Recipes not working
by Chris Rothrock 20 Jan '17

20 Jan '17

There are two recipes that I was able to successfully compile and run in Genode 16.08 that are no longer working with Genode 16.11 and was wondering if I could get assistance to make them work in this version. The default make run/demo works fine for me but if I try using the make run/demo with the Nova kernel I get an error "Error: target 'drivers/usb' does not exist". Also, I am trying to run the recipe for virtualbox (using Nova hypervisor) and this worked with Genode v16.08 but now I can't make this recipe. The port libiconv is required but I get an error trying to prepare_port on this one (Error: Hash sum check for libiconv failed). I also tried to update the hash (./tool/port/update_hash libiconv) but this didn't work. Any assistance on these two issues would be appreciated. Thanks, Chris -- Thank You, Chris Rothrock Senior System Administrator (315) 308-1637

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Native Android Application Execution in Genode (Dalvik VM / ART)
by Alexy Gallardo Segura 17 Jan '17

17 Jan '17

Hello, I am writing to consult everyone on a topic in the genode section Challenges, in particular on the "Dalvik VM of Android natively in Genode". Norman Feske told me that currently Android also uses ART (Android runtime). Especially I have no preference, I'm only interested in running Android applications in GenodeOS. I am interested in working on this topic, but I have some questions to ask. Is anyone working on this topic? I reviewed the current issues but I did not find Anything related. Which would be better to incorporate to Genode Dalvik or ART, or any other variant? Finally, if you have any suggestions on where to start the review first? regards Alexy Gallardo Segura

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