Deep DivesDeep Dives
The pinctrl Subsystem: How Linux Multiplexes and Configures SoC Pins
The pinctrl subsystem lets Linux multiplex and configure SoC pins from device tree. How pinmux and pinconf work, the consumer API, and…
RB Jul 25 · 8 min
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Field notes from the Linux trenches
Deep dives, debugging war-stories and career guidance for engineers who work where the kernel meets real hardware.
Deep Dives
NewsNews
Kernel & Embedded News: Yocto 6.0 Wrynose LTS; DRM Latency Rework
Yocto's wrynose LTS swaps cve-check for sbom-cve-check, Linux 7.2 splits device-ID headers, a DRM scheduler rework cuts GPU latency, plus a 10-inch…
RB Jul 24 · 7 min
CareerCareer
Choosing an Embedded Linux Specialization: A Career Guide
A practical guide to choosing an embedded Linux specialization: device drivers, kernel internals, BSP, real-time, or edge AI, and what each involves.
RB Jul 24 · 7 min
CareerCareer
You Don’t Speak to Look Smart. You Speak to Find Out What You Know.
Staying silent in a class or review feels safe, but speaking forces a half-formed idea into a sentence — and that act…
RB Jul 24 · 6 min
InsightsInsights
Upstream-First BSP: Why Vendors Are Moving to Mainline
Qualcomm and Android are moving to an upstream-first BSP that tracks the mainline kernel. Here is what the shift means for embedded…
RB Jul 23 · 9 min
CareerCareer
AI Can Write Kernel Code. Only a Human Can Sign It Off.
AI can now write kernel code that compiles and looks right but is quietly wrong. The kernel community has formally drawn the…
RB Jul 22 · 7 min
Edge AIEdge AI
Edge AI in Automotive and Industrial Systems
Edge AI in automotive and industrial systems runs beside a deterministic, safety-critical control loop. How real-time Linux, TSN and mixed criticality help.
RB Jul 22 · 9 min
TutorialsTutorials
Dynamic Debug in Linux: Turn On pr_debug Messages at Runtime
Use dynamic debug to switch on pr_debug and dev_dbg messages in a running Linux kernel, without rebuilding or rebooting.
RB Jul 21 · 12 min
Edge AIEdge AI
TinyML vs Edge AI on Linux: How to Choose the Right Machine
TinyML vs Edge AI on Linux is not a TOPS comparison. It is a choice of machine. A decision guide, the measured…
RB Jul 20 · 14 min
NewsNews
Kernel & Embedded News: BPF Exploit Shields; Yocto CVE Data Gaps
BPF exploit shielding at LSFMM+BPF 2026, sched_ext sub-schedulers in Linux 7.2, a modern kernel crypto library API, and Yocto CVE metadata gaps.
RB Jul 20 · 7 min
CareerCareer
Deep Work Is Getting Rarer Just as It Becomes More Valuable
Cal Newport argues deep, distraction-free concentration is becoming rare exactly as it becomes valuable. In the AI age, deep work produces the…
RB Jul 19 · 8 min
Kernel SecurityKernel Security
Linux Kernel CVEs: What to Patch by Device (11 – 18 Jul 2026)
Three Linux kernel CVEs published 11-18 July 2026. The IPv4 fix CVE-2026-53366 is highest priority. What matters for mobile, embedded, cloud and…
RB Jul 18 · 10 min
Deep DivesDeep Dives
Runtime PM: Why Your Device Never Suspends, and How to Find Out
One kernel function, rpm_check_suspend_allowed(), decides whether runtime PM suspends your device. Each return code names the exact field to inspect.
RB Jul 18 · 10 min
NewsNews
Kernel & Embedded News: Jetson Thor T3000/T2000; RISC-V BIOS Push
NVIDIA's mainstream Jetson Thor T3000 and T2000 modules, a RISC-V BIOS-like firmware effort, extended cache-aware scheduling, and an open edge-AI camera.
RB Jul 18 · 7 min
CareerCareer
Kernel Patch Review Is the Scarce Skill Now, Not Code
Linux 7.1 merged 15,849 commits, but Reviewed-by fell to 51% and Tested-by to 8%. Kernel patch review is the scarce skill now,…
RB Jul 17 · 8 min
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