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description=Dysfunctional Programming;
author=David Rheinsberg;

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Text of the page (random words):
ponyhof dysfunctional programming ponyhof dysfunctional programming home about github towards stable rust uefi firmware while tianocore edkii still dominates the uefi development world there has been continuous effort to enable rust for firmware development but so far the tools involved have not been stabilised we now started an effort to remedy this and get stable rust support for uefi targets read more written by david rheinsberg on september 7 2022 meson with msvc on github actions the meson build system provides support for running on microsoft windows including support for microsoft visual studio c github actions provides public access to ci machines running microsoft windows but trying to tie both together is not as straightforward as it sounds read more written by david rheinsberg on april 21 2021 locating d bus resource leaks with dbus broker we have introduced the resource accounting of bus1 into the d bus world we believe it greatly improves and strengthens the resource distribution of the d bus messages bus and we have already found a handful of resource leaks that way however it can be a daunting task to solve resource exhaustion bugs so i decided to describe the steps we took to resolve a recent resource leak in the openqa package read more written by david rheinsberg on april 14 2021 inside specs elf segments and sections the elf data format divides object files into segments and sections which has for long caused confusion both terms segment and section can be used interchangeably in almost all cases in the english language 1 2 what is often overlooked is that the elf specification explicitely meant both to mean almost the same they merely provide two views of the same data but use different terms to allow referring to them more easily read more written by david rheinsberg on april 26 2020 fair resource distribution algorithm v1 imagine a finite resource that you want to distribute amongst peers in a fair manner if you know the number of peers to be n the problem becomes trivial and you can assign every peer 1 n th of the total this way every peer gets the same amount while no part of the resource stays unused but what if the number of peers is only known retrospectively that is how many resources do you grant a peer if you do not know whether there are more peers or not how do you define fairness and how do you make sure as little of the resource as possible stays unused read more written by david rheinsberg on march 13 2019 goodbye gnu efi the recommended way to link uefi applications on linux was until now through gnu efi a toolchain provided by the gnu project that bridges from the elf world into coff pe32 but why don t we compile directly to native uefi a short dive into the past of gnu toolchains its remnants and a surprisingly simple way out read more written by david rheinsberg on january 31 2019 exec in vm almost everyone these days relies on continuous integration and it seems once you got accustomed to it you never want to work without it again unfortunately most ci systems lack cross architecture capabilities as a systems engineer with lots of c projects i was desperately looking for a solution to run my tests on little endian big endian 32bit and 64bit machines so far without any luck hence i patched together qemu docker fedora and some bash scripts to get a tool that allows me to execute scripts from the command line in a vm ad hoc read more written by david rheinsberg on january 10 2018 cross bootstrap fedora i recently had to assemble linux distribution images to be run in containers and virtual machines while most package managers provide tools to bootstrap an entire distribution into a target directory e g debootstrap dnf installroot zypper pacstrap i needed to do that for foreign architectures fortunately fedora got me covered read more written by david rheinsberg on january 9 2018 rethinking the d bus message bus later this year on november 21 2017 d bus will see its 15th birthday an impressive age only shy of the kde and gnome projects whose collaboration inspired the creation of this independent ipc system while still relied upon by the most recent kde and gnome releases d bus is not free of criticism despite its age and mighty advocates it never gained traction outside of its origins on the contrary it has long been criticized as bloated over engineered and orphaned though when looking into those claims you re often left with unsubstantiated ranting about the environment d bus is used in if you rather want a glimpse into the deeper issues the best place to look is the d bus bug tracker including the assessments of the d bus developers themselves the bugs range from uncontrolled memory usage over silent dropping of messages to dead locks by design unsolved for up to 7 years looking closer most of them simply cannot be solved without breaking guarantees long given by dbus daemon 1 the reference implementation hence workarounds have been put in place to keep them under control read more written by david rheinsberg on august 23 2017 moved blog the ponyhof blog was moved over from wordpress to here lets see how this will work out read more written by david rheinsberg on july 17 2017