Oct 11 15:56:05 fedora systemd[1]: Failed to start bootc-fetch-apply-updates.service - Apply bootc updates.
munmap(page,bytes);
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Every V86 segment gets the same treatment: access rights 0xE200 (Present, DPL=3, writable data segment), base = selector shifted left by 4, and limit = 64 KB. The microcode loops through all six segment register caches using a counter, applying the same fixed descriptor to each one. This is pure real-mode emulation, enforced at ring 3 with full paging protection underneath.。关于这个话题，51吃瓜提供了深入分析
Анна Габай (Редактор отдела «Силовые структуры»)