STM32G431 and G474 FDCAN: Budget the Fixed Message RAM Before Bus Load
Can a generic M_CAN buffer configuration or extra MCU SRAM enlarge the G4 receive FIFOs?
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Buildroot Git Downloads: Explain a Cached Archive After a Missing-Hash Failure
Trace Buildroot Git archive missing-hash failures through new-download installation and existing-cache retry paths.
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Yocto Overlayfs for etc: Mount Configuration Before the Real Init Starts
Diagnose overlayfs-etc through wrapper placement, boot entry-point selection, early directory/device preparation and the template behavior that continues boot after mount failures.
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Yocto SDK Package Lists: Put Development Inputs in the Correct SDK Sysroot
Diagnose a standard SDK missing target headers through package ownership, initial SDK lists, installed-package-based complements and separate target/host manifests.
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Yocto testimage: Separate Image Startup, Test Selection and Target Test Failures
Diagnose testimage by its actual load, target-start and test-execution boundaries, using deployed test metadata, suite discovery, boot timeout and SSH-case prerequisites.
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Yocto Rootfs Sizing: Calculate Overhead, Extra Space and Alignment Before the Limit
Reconstruct Yocto rootfs-size arithmetic through minimum selection, extra space and alignment, and distinguish the maintenance-branch directory estimator from filesystem creation.
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Yocto License Filtering: Separate Image Restrictions from Global Recipe Exclusion
Choose image-local versus global INCOMPATIBLE_LICENSE scope, interpret alternative and package-specific license expressions, and diagnose exact package-license exceptions at their evaluation boundary.
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Yocto Host Tools: Diagnose a Command Missing from the Filtered Task PATH
Diagnose host-tool admission, generated symlink identity and native-tool precedence without treating HOSTTOOLS_NONFATAL as a dependency provider.
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U-Boot PStore Retrieval: Check the Ramoops Layout Before Interpreting Missing Output
Separate retained memory, matching layout, recognized records, printable compression and verified export in U-Boot PStore retrieval.
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U-Boot Ethernet Selection: Resolve ethact Before Relying on ethprime
Resolve active selection before preferred interface and distinguish fallback policy from actual connector identity.
