{"id":182506,"date":"2026-07-07T16:53:22","date_gmt":"2026-07-07T14:53:22","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/rezultaty-inicziativy-po-obespecheniyu-polnoczennoj-podderzhki-arm64-v-ubuntu"},"modified":"2026-07-07T16:53:22","modified_gmt":"2026-07-07T14:53:22","slug":"rezultaty-inicziativy-po-obespecheniyu-polnoczennoj-podderzhki-arm64-v-ubuntu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/rezultaty-inicziativy-po-obespecheniyu-polnoczennoj-podderzhki-arm64-v-ubuntu","title":{"rendered":"Resultatet av initiativet f\u00f6r att s\u00e4kerst\u00e4lla fullst\u00e4ndigt st\u00f6d f\u00f6r ARM64 i Ubuntu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ravi Sharma fr\u00e5n Ubuntu Foundations Team sammanfattade arbetet som genomf\u00f6rts under det senaste \u00e5ret f\u00f6r att s\u00e4kerst\u00e4lla fullt st\u00f6d f\u00f6r ARM64-arkitekturen i Ubuntu. Det noteras att tack vare f\u00f6rb\u00e4ttrad verktyg och infrastruktur, samt fr\u00e4mjande av \u00e4ndringar i k\u00e4rnans huvudkomponenter, har specifika problem f\u00f6r ARM64, s\u00e5som distribution av paket via ett separat arkiv, bristen p\u00e5 st\u00f6d f\u00f6r live-patchar f\u00f6r k\u00e4rnan, begr\u00e4nsade m\u00f6jligheter f\u00f6r spelentusiaster och avsaknaden av Secure Boot p\u00e5 b\u00e4rbara datorer med Qualcomm Snapdragon-chips, kunnat l\u00f6sas under \u00e5ret.      <\/p>\n<p>Huvudsakliga prestationer:  <\/p>\n<ul>\n<li class=\"l\"> Paket f\u00f6r ARM64-arkitekturen har flyttats fr\u00e5n portarna (ports.ubuntu.com) till det huvudsakliga Ubuntu-arkivet (archive.ubuntu.com), vilket m\u00f6jliggjorde anv\u00e4ndning av samma infrastruktur f\u00f6r distributionen som anv\u00e4nds f\u00f6r x86_64-arkitekturen. Paket f\u00f6r ARM64 distribueras nu via det prim\u00e4ra spegeln\u00e4tverket, vilket \u00f6kar hastigheten och tillf\u00f6rlitligheten vid nedladdning. Migreringen kr\u00e4vde \u00e4ndringar i paketen cloud-init, live-build, livecd-rootfs och ubuntu-release-upgrader. \u00c4ndringarna ingick i Ubuntu 26.04 och \u00e4r under backporting f\u00f6r Ubuntu 24.04 LTS.\n<li class=\"l\"> Livepatch-tj\u00e4nsten, som m\u00f6jligg\u00f6r att g\u00f6ra patchar i Linux-k\u00e4rnan p\u00e5 en aktivt k\u00f6rande system utan omstart, har spridits till system baserade p\u00e5 ARM64-arkitekturen. Tidigare distribuerades live-patchar endast f\u00f6r x86_64-arkitekturen, eftersom det saknades st\u00f6d f\u00f6r p\u00e5litlig stacksp\u00e5rning (CONFIG_HAVE_RELIABLE_STACKTRACE) i Linux-k\u00e4rnan f\u00f6r ARM64-arkitekturen, vilket skulle identifiera aktiviteter relaterade till avbrottshantering, och verktygen objtool och kpatch saknade fullt st\u00f6d f\u00f6r att bed\u00f6ma tillst\u00e5ndet f\u00f6re och efter patchens till\u00e4mpning. St\u00f6d f\u00f6r live-patchar f\u00f6r ARM64 har tillhandah\u00e5llits f\u00f6r Ubuntu 26.04 LTS och Ubuntu Core 26.\n<li class=\"l\"> Ett stabilt snap-paket med Steam-klienten har skapats f\u00f6r ARM64-arkitekturen. Eftersom Steam-klienten f\u00f6r Linux endast \u00e4r tillg\u00e4nglig f\u00f6r x86-arkitektur anv\u00e4nds ett emuleringslager baserat p\u00e5 FEX-paketet f\u00f6r att k\u00f6ra den p\u00e5 ARM64-system. Under emulatorn st\u00f6ds GPU-passthrough och anv\u00e4ndning av Wine, Proton, DXVK och vkd3d f\u00f6r att k\u00f6ra datorspel som \u00e4r samlade f\u00f6r x86_64-arkitektur och distribuerade via Steam-katalogen. Snap-paketets funktionalitet har testats p\u00e5 b\u00e4rbara datorer med Qualcomm Snapdragon X Elite, NVIDIA DGX Spark och Radxa Orion O6.\n<li class=\"l\"> St\u00f6d f\u00f6r b\u00e4rbara datorer baserade p\u00e5 Qualcomm Snapdragon X Elite-chips, s\u00e5som Lenovo Thinkpad X13s\/T14s och Dell XPS 9345, har lagts till. Ursprungligen lades st\u00f6det f\u00f6r dessa enheter till i den grundl\u00e4ggande iso-avbildningen f\u00f6r ARM64-system, men det var inte m\u00f6jligt att anv\u00e4nda den f\u00f6r att starta i Secure Boot-l\u00e4get p\u00e5 grund av anv\u00e4ndningen av separata konfigurationer av Device Tree, som inte \u00f6verf\u00f6rdes fr\u00e5n b\u00e4rbar datorers firmware till Linux-k\u00e4rnan. De n\u00f6dv\u00e4ndiga inst\u00e4llningarna f\u00f6r Device Tree laddades av GRUB-laddaren fr\u00e5n en separat fil som inte t\u00e4cktes av den digitala signaturen.\n<p>F\u00f6r att l\u00f6sa problemet har k\u00e4rnan och databasen f\u00f6r Device Tree sammanfogats i en enda monolitisk EFI-fil, liknande UKI (Unified Kernel Image), som signerats med en digital signatur fr\u00e5n distributionen. F\u00f6r att ladda denna fil har ett nytt EFI-lager \"stubble\" skapats, som vid uppstart identifierar enhetens modell via SMBIOS, v\u00e4ljer de n\u00f6dv\u00e4ndiga uppgifterna fr\u00e5n Device Tree och infogar dem i k\u00e4rnan utan att bryta kedjan av f\u00f6rtroende f\u00f6r Secure Boot. Arbetet med att implementera st\u00f6d f\u00f6r b\u00e4rbara datorer med Snapdragon X2 Elite-chip p\u00e5g\u00e5r.      <\/p>\n<li class=\"l\"> En prototyp av en startavbildning baserad p\u00e5 Ubuntu 26.04 f\u00f6r b\u00e4rbara datorer med ARM64 SoC CIX P1 har f\u00f6rberetts, vilket i motsats till Snapdragon m\u00f6jligg\u00f6r identifiering av konfigurationen via ACPI-tabeller utan att anv\u00e4nda Device Tree.\n<li class=\"l\"> Google har tillk\u00e4nnagett offentligg\u00f6randet av officiella versioner av Chrome f\u00f6r Linux-system baserade p\u00e5 ARM64-arkitektur, vilket g\u00f6r det m\u00f6jligt att k\u00f6ra Chrome-webbl\u00e4saren i ARM64-versionerna av Ubuntu, som inneh\u00e5ller CDM-modulen (Content Decryption Module) Widevine, som inte \u00e4r tillg\u00e4nglig i Chromium. Leveransen av Widevine kommer att m\u00f6jligg\u00f6ra att str\u00f6mma media som \u00e4r skyddat av upphovsr\u00e4tt (DRM) fr\u00e5n tj\u00e4nster som Netflix, Spotify och Disney+ utan externa patchar. Dessutom planerar man att integrera st\u00f6d f\u00f6r Widevine i snap-paket med Firefox och Spotify.\n<li class=\"l\"> Nya versioner av applikationer har lagts till, tillg\u00e4ngliga i snap-format f\u00f6r ARM64-arkitektur. Bland annat har publiceringen av snap-paket f\u00f6r ARM64 inletts med OnlyOffice, FreeCAD och Teams for Linux.    <\/ul>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65857\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0432\u0438 \u0428\u0430\u0440\u043c\u0430 (Ravi Sharma) \u0438\u0437 \u043a\u043e\u043c\u0430\u043d\u0434\u044b Ubuntu Foundations Team \u043f\u043e\u0434\u0432\u0451\u043b \u0438\u0442\u043e\u0433\u0438 \u0440\u0430\u0431\u043e\u0442\u044b, \u043f\u0440\u043e\u0432\u0435\u0434\u0451\u043d\u043d\u043e\u0439 \u0437\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0439 \u0433\u043e\u0434 \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u043e\u0439 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b ARM64 \u0432 Ubuntu. \u041e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044e \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0438 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0443\u0440\u043a\u0442\u0443\u0440\u044b, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u043e\u0434\u0432\u0438\u0436\u0435\u043d\u0438\u044e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 Linux, \u0437\u0430 \u0433\u043e\u0434 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u0440\u0435\u0448\u0438\u0442\u044c \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u044b\u0435 \u0434\u043b\u044f ARM64 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b, \u0442\u0430\u043a\u0438\u0435 \u043a\u0430\u043a \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0439, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-182506","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0432\u0438 \u0428\u0430\u0440\u043c\u0430 (Ravi Sharma) \u0438\u0437 \u043a\u043e\u043c\u0430\u043d\u0434\u044b Ubuntu Foundations Team 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