Issue created by Sebastian Huber: https://gitlab.rtems.org/rtems/rtos/rtems/-/work_items/5697
`_CPU_Instruction_illegal()` emits a `.word 0`. The two zero bytes are the encoding of an add instruction on x86, so nothing is raised and the caller runs on. `spfatal26` asserts right behind the call. `_CPU_Context_validate()` and `_CPU_Context_volatile_clobber()` are stubs, so `spcontext01` cannot detect a defect in the context switch. Found while running the full test suite on Qemu. This description was created with Claude Code assistance. -- View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/work_items/5697 You're receiving this email because of your account on gitlab.rtems.org. Unsubscribe from this thread: https://gitlab.rtems.org/-/sent_notifications/5-ecmu0l0mg8s5d9bz8pewezeu4-1d/unsubscribe | Manage all notifications: https://gitlab.rtems.org/-/profile/notifications | Help: https://gitlab.rtems.org/help
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