TY - GEN A1 - Ramsauer, Ralf A1 - Bulwahn, Lukas A1 - Lohmann, Daniel A1 - Mauerer, Wolfgang T1 - The Sound of Silence: Mining Security Vulnerabilities from Secret Integration Channels in Open-Source Projects T2 - MiniDebConf Regensburg (MDC) 2021 Y1 - 2021 UR - https://gemmei.ftp.acc.umu.se/pub/debian-meetings/2021/MiniDebConf-Regensburg/sound-of-silence.webm CY - Regensburg ER - TY - GEN A1 - Mauerer, Wolfgang T1 - Embedded Linux Quality Assurance: How to Not Lie with Statistics T2 - Embedded Linux Conference North America ; OpenIoTSummit North America N2 - Embedded Linux drives an every-increasing number of appliances in many domains and applications, some even real-time and/or safety critical. Traditional quality assurance of such systems is based on testing and formal verification, but the huge amount of code and the rapid dynamics of the Linux ecosystem, as well as fundamental limitations of formal methods make these approaches unsatisfactory. Statistical quality assurance for reliability, error rates, maximal latencies etc. is needed. We will discuss current best practises, how to design and run automated statistical tests that capture relevant information, and how to properly evaluate the resulting data. Practical real-world examples and recipes are played through using the open source R language. Most importantly, we identify common mistakes in (over-)interpreting statistical results and predictions that may eventually harm people. Y1 - 2018 UR - https://www.youtube.com/watch?v=8671RYrsAj4 ER - TY - GEN A1 - Ramsauer, Ralf A1 - Kiszka, Jan A1 - Mauerer, Wolfgang T1 - Building Mixed Criticality Linux Systems with the Jailhouse Hypervisor T2 - Embedded Lunux Conference + OpenIoTSummit, Portland, OR, 21.-23.02.2017 N2 - The partitioning hypervisor Jaihouse allows us to run safety critical and uncritical applications in parallel on a single SoC. We present our experiences when porting a safety and real-time critical existing application as a Jailhouse guest. It shows a novel and promising approach for implementing mixed-criticality applications with real-time requirement while not loosing the benefits of Linux. This is done by static partitioning of hardware resources; guests do not interfere. We will present a multicopter platform running the real-time critical flight stack in an isolated Jailhouse guest. This proves the practicability of Jailhouse as well as the suitability for real-time safety critical systems by porting an existing application to a Jailhouse cell. We stress its concept and show up current hardware limitations, like undesired behaviour and present possible workarounds and solutions. Y1 - 2017 UR - https://www.youtube.com/watch?v=pvs0fv-gnvw ER - TY - GEN A1 - Ramsauer, Ralf A1 - Duda, Sebastian A1 - Bulwahn, Lukas A1 - Mauerer, Wolfgang T1 - The list is our process! An analysis of the kernel’s email-based development process T2 - Embedded Linux Conference Europe, Lyon 28.10.2019 Y1 - 2019 UR - https://elinux.org/images/0/09/Pasta-elce19.pdf ER - TY - GEN A1 - Ramsauer, Ralf A1 - Duda, Sebastian A1 - Mauerer, Wolfgang A1 - Bulwahn, Lukas T1 - The list is our process: An analysis of the kernel’s email-based development process T2 - Linux Plumbers Conference, Lisbon September 9, 2019 Y1 - 2019 UR - https://www.youtube.com/watch?v=QG1YDQ1HOKE ER - TY - GEN A1 - Ramsauer, Ralf A1 - Kiszka, Jan A1 - Lohmann, Daniel A1 - Mauerer, Wolfgang T1 - Implementierung gemischt kritischer Systeme durch statische Hardwarepartitionierung T2 - Frühjahrstreffen der Fachgruppen Betriebssysteme, Hannover, 2. März 2018 Y1 - 2018 UR - https://www.betriebssysteme.org/wp-content/uploads/2018/04/fgbs18-169.pdf ER - TY - GEN A1 - Mauerer, Wolfgang T1 - Safety, Security, Quality: Artificial Intelligence versus Common Sense T2 - Open Source Summit North America and Embedded Linux Conference North America 2020 Y1 - 2020 UR - https://www.youtube.com/watch?v=Ow_tMneQlH4 UR - https://elinux.org/images/7/7d/Wolfgang_Mauerer.pdf ER - TY - GEN A1 - Ramsauer, Ralf A1 - Kiszka, Jan A1 - Mauerer, Wolfgang T1 - Spectre and Meltdown vs. Real-Time: How Much do Mitigations Cost? T2 - Embedded Linux Conference Europe 2018, October 22 - 24, 2018, Edinburgh, UK Y1 - 2018 UR - https://www.youtube.com/watch?v=nqU4j2M_Ul4 ER - TY - GEN A1 - Mauerer, Wolfgang T1 - Open Source in Research and Reality T2 - Open Source Summit North America and Embedded Linux Conference North America 2020 Y1 - 2020 UR - https://www.youtube.com/watch?v=L2iubyD1e7U ER - TY - GEN A1 - Ramsauer, Ralf A1 - Lohmann, Daniel A1 - Mauerer, Wolfgang T1 - Quantifying Upstream Integration with PaStA T2 - LTSI Workshop @ ELC17 Y1 - 2017 ER - TY - GEN A1 - Mauerer, Wolfgang T1 - Approaches to Ultra Long-Term System Maintenance T2 - Embedded Linux Conference Europe (Berlin), 2016 Y1 - 2016 UR - https://www.youtube.com/watch?v=SAbrQqSC61M ER - TY - GEN A1 - Mauerer, Wolfgang T1 - Socio-Technical Aspects of Long Term Embedded Systems Maintenance T2 - Embedded Linux Conference, April 4-6, 2016, San Diego Y1 - 2016 ER - TY - GEN A1 - Mintel, Mario A1 - Ramsauer, Ralf A1 - Lohmann, Daniel A1 - Scherzinger, Stefanie A1 - Mauerer, Wolfgang T1 - Fork à la carte für In-Memory-Datenbanken T2 - Frühjahrstreffen der Fachgruppen Betriebssysteme, Hamburg, 17. März 2022 Y1 - 2022 UR - https://www.lfdr.de/Publications/2022/FGBS_Spring22_Mintel.pdf ER -