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Framebuffer API change
by Norman Feske 25 Jan '12

25 Jan '12

Hello, as intermediate step to support the dynamic resizing of frame buffers, I have revisited the 'Framebuffer::Session' interface and thereby broke API compatibility. The following changes are worth noting: * The former 'Session::info' is no more. This function was a relict from the early days when we used to pass out parameters via pointers. * The new 'mode' function returns a structured object of the type 'Framebuffer::Mode' that contains the mode information and pixel- format definitions. * The new 'mode_sigh' function enables a client to register a signal handler at the framebuffer session. This signal handler gets notified in the event of server-side mode changes. * Via the new 'release' function, the client is able to acknowledge a mode change. By calling it, the client tells the server that it no longer uses the original framebuffer dataspace. So the server can replace it by a new one. After having called 'release', the client can obtain the dataspace for the new mode by calling 'dataspace()' again. For now, the primary motivation for this change is our desire to have resizable virtual framebuffers (i.e., adding a resizing capability to liquid fb). In the future, we envision the same mechanism to be used to dynamically change physical framebuffer modes as well. For comments and technical disussion, please also refer to the relevant issue: https://github.com/genodelabs/genode/issues/11 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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Redundant github refs with rebase
by Martin Stein 25 Jan '12

25 Jan '12

Is there any idea to avoid redundant issue reference messages when using 'ref #X' in a commit message and the commit gets often rebased? To me it seems that rebasing is a very essential and often used. Greets, Martin

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[RFC] I guess we need an IRC channel at Freenode
by Althaf 20 Jan '12

20 Jan '12

Considering the fact of faster and real time response with issues and support, i believe an IRC channel would be a of great help. Further, it doesn't hurt of register one so that the channel name it isn't stolen. I have seen this happen. -- /althaf k backer/

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Pointless rebuilding of ports
by Julian Stecklina 17 Jan '12

17 Jan '12

Hello, if I do make run/noux_vim it will _always_ rebuild vim, regardless of whether this is useful. Is there a way to avoid this? Julian

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Git, website, how-to-contribute guide
by Norman Feske 17 Jan '12

17 Jan '12

Hello, to address the questions that are repeatedly popping up about the use Git for Genode's development, I have reworked the guide of how contribution to the project is supposed to work: http://genode.org/community/contributions The document is meant to provide all the points that are important for the development process. Currently, it contains notes about the common coding style, the use of the issue tracker, and the known best practice of writing commit messages. If you have further things to add, please let me know. The very last paragraph may be the most important one. Please note that the website content of genode.org does now correspond one-to-one to the textual content stored in the genode repository. For example, the "source code" of the contributions document is located at 'doc/contributions.txt'. This will make it straight-forward to contribute not only to the code base but also to the documentation. Because this new way of documentation management completely alleviates the need for a Wiki, the old Wiki is no more. Its content has been incorporated into the various documentation categories. The platform-specific documentation (in the repository located at the respective 'base-<platform>/doc' directories) can be found at the new "Base platforms" section: http://genode.org/documentation/platforms/index The challenges page ('doc/challenges.txt') has become part of the "About" section because it is closely related to the road map: http://genode.org/about/challenges 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: Talk proposal: The agony of choice
by Norman Feske 17 Jan '12

17 Jan '12

FYi, cross-posted from microkernel-devroom@...86... -------- Original Message -------- Subject: Talk proposal: The agony of choice Date: Tue, 17 Jan 2012 15:33:42 +0100 From: Stefan Kalkowski <stefan.kalkowski@...1...> To: microkernel-devroom@...86... Hi folks, I know I definitely missed the deadline, but I've heard you're still looking for another talk for the next-to-last slot? I would like to propose a 30-45min talk about the following topic: [title] The agony of choice - the diversity of microkernels in Genode [name] Stefan Kalkowski [abstract] One shiny aspect of the Genode OS framework is its diversity with respect to microkernels and hardware platforms it's running on top of. Although primarily of interest to clients and users, this property provides some hidden benefits to the system-developer itself. This talk is basically an experience report. It will give you an insight into the benefits and troubles of developing on a diverse biotope, the strength and weaknesses of the available platforms, how Genode gets ported to a kernel, and what is basically necessary from the kernel's perspective to drive Genode. The last point will be illustrated by introducing recent developments of a hybrid kernel/user API in Genode. [short bio] Stefan Kalkowski has been working with the Genode OS framework since it's first beginnings. His diploma thesis is based on the first version of it (at that time it was labeled 'Bastei'). Since then, he became a Genode-enthusiast. Before joining Genode Labs as an employee about two and a half years ago, he was working for two years at the Operating Systems Group of TU Dresden as a PhD student. [links] http://genode.org (project website) http://www.genode-labs.com (company website) [photo] -> see attachment [git repo] https://github.com/genodelabs/genode Regards Stefan -- Stefan Kalkowski 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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Bugtracker note in commit message
by Martin Stein 17 Jan '12

17 Jan '12

I've noticed that there seems to be no convention for the note within a commit message, about wich Github issue it addresses. Often it looks like "This is an awesome commit. Fixes #X." as first commit line, wich should be limited to 50 chars. Thus the phrase "Fixes #X." wastes a lot of the documentation space. I know it's fussy, but i'll wonder if something like "X This is an awesome commit." is fine? Greets, Martin

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File synchronisation tool
by Martin Stein 17 Jan '12

17 Jan '12

Hi, Last night i've noticed that 'rsync' is essential for my daily work because it's the backend of my file synchronisation scripts i use to hold my 3 machines in sync. So i would like to suggest it for our roadmap 2012. Greets, Martin

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Fwd: [Microkernel-devroom] Accepted talks and schedule of our devroom at FOSDEM 2012
by Norman Feske 09 Jan '12

09 Jan '12

FYI, forwarded from microkernel-devroom@...86... -------- Original Message -------- Subject: [Microkernel-devroom] Accepted talks and schedule of our devroom at FOSDEM 2012 Date: Mon, 09 Jan 2012 11:55:12 +0100 From: Jakub Jermar <jakub@...85...> Reply-To: Multiserver, microkernel-based operating systems devroom mailing list. <microkernel-devroom@...86...> To: Multiserver, microkernel-based operating systems devroom mailing list. <microkernel-devroom@...86...> Hi, here is a schedule for the Multiserver, microkernel-based operating systems devroom @ FOSDEM 2012: 9:00am – 9:25am Welcome! or Why do we meet here today (Jakub Jermář) 9:30am – 10:00am Introduction to the NOVA kernel API (Julian Stecklina) 10:10am – 10:55am Introduction of the Genode OS Framework (Norman Feske) 11:10am – 11:55am Introduction to HelenOS (Jakub Jermář) 11:55am – 12:55pm Lunch break 1:00pm – 2:00pm The microkernel overhead (Martin Děcký) 2:10pm – 2:55pm Reserve slot: First come, first assigned 3:05pm – 3:50pm Dive into HelenOS Device Drivers (Jiří Svoboda) 4:00pm – 5:00pm Panel discussion Finally, the schedule filled surprisingly quickly. For the sake of ballanced content, I decided to withdraw my own proposal, which would otherwise be a third talk dedicated to HelenOS. The reserve slot is basically meant for GNU Hurd or MINIX 3, whichever claims it first, or any other, not yet represented project. If the slot is not claimed, we can donate it to other types of content for which there is no time now. Note that the last item on the agenda is a panel discussion where we can discuss various topics among the projects. Note that the schedule may change to accommodate the current devroom needs. Any changes will be announced on this mailing list and on the FOSDEM web site, after the schedule is moved there. Jakub _______________________________________________ Microkernel-devroom mailing list Microkernel-devroom@...86... https://lists.fosdem.org/listinfo/microkernel-devroom

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Guideline for commits and issues
by Martin Stein 09 Jan '12

09 Jan '12

Is there any guidline for the interplay of commits wich are intended to enrich 'genodelabs/genode' and issues at 'genodelabs'. I wonder if i should create issues for all commits i.e. and if my commit messages should always rely on an issue. greets, Martin

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