{"id":121113,"date":"2024-12-22T15:46:51","date_gmt":"2024-12-22T13:46:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/izmenenie-nastroek-yadra-linux-6-12-privelo-k-problemam-c-zram-v-nekotoryh-distributivah"},"modified":"2024-12-22T15:46:51","modified_gmt":"2024-12-22T13:46:51","slug":"izmenenie-nastroek-yadra-linux-6-12-privelo-k-problemam-c-zram-v-nekotoryh-distributivah","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/izmenenie-nastroek-yadra-linux-6-12-privelo-k-problemam-c-zram-v-nekotoryh-distributivah","title":{"rendered":"Zmiana ustawie\u0144 j\u0105dra Linux 6.12 spowodowa\u0142a problemy z zRAM w niekt\u00f3rych dystrybucjach","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

U\u017cytkownicy system\u00f3w korzystaj\u0105cych z mechanizmu zRAM do skompresowanego przechowywania partycji swap w pami\u0119ci napotkali problem prowadz\u0105cy do awarii uruchamiania po aktualizacji j\u0105dra Linux do wersji 6.12. Problem wyst\u0119puje w Gentoo, Void i innych dystrybucjach wspieraj\u0105cych zRAM oraz oferuj\u0105cych pakiety z nowymi wersjami j\u0105dra. <\/p>\n

Przyczyn\u0105 awarii by\u0142o wprowadzenie w j\u0105drze 6.12 zmiany, kt\u00f3ra dodaje mo\u017cliwo\u015b\u0107 dostosowywania algorytm\u00f3w kompresji w czasie pracy. Przy okazji w Kconfig zmodyfikowano logik\u0119 wyboru dost\u0119pnych algorytm\u00f3w kompresji na etapie kompilacji j\u0105dra. Zmiana ta prowadzi\u0142a do problem\u00f3w w dystrybucjach, kt\u00f3re polega\u0142y na ustawieniach domy\u015blnych i nie aktywowa\u0142y wszystkich dost\u0119pnych algorytm\u00f3w zRAM w konfiguracji Kconfig dla j\u0105dra 6.12. <\/p>\n

Po zaktualizowaniu j\u0105dra do wersji 6.12 w podobnych dystrybucjach dost\u0119pny do wyboru pozosta\u0142 tylko domy\u015blny podstawowy algorytm kompresji, a nie wszystkie obs\u0142ugiwane algorytmy. W zwi\u0105zku z tym, przy pr\u00f3bie w\u0142\u0105czenia w zRAM algorytm\u00f3w, kt\u00f3re nie zgadza\u0142y si\u0119 z algorytmem domy\u015blnym, wyst\u0105pi\u0142 b\u0142\u0105d podczas \u0142adowania. Na przyk\u0142ad, przy wyborze algorytmu lz4 podczas uruchamiania wyst\u0105pi\u0142 b\u0142\u0105d \u201ezramctl: \/dev\/zram0: failed to set algorithm: Invalid argument\u201d, poniewa\u017c z algorytm\u00f3w pozosta\u0142a tylko obs\u0142uga lzo, zamiast wcze\u015bniej obs\u0142ugiwanych lzo, lz4, lz4hc, 842 i zstd. <\/p>\n

Problem rozwi\u0105zany poprzez w\u0142\u0105czenie w Kconfig ka\u017cdego backendu kompresji osobno (ustawienia CONFIG_ZRAM_BACKEND_* zosta\u0142y dodane w j\u0105drze 6.12): CONFIG_ZRAM_BACKEND_LZ4=y CONFIG_ZRAM_BACKEND_LZ4HC=y CONFIG_ZRAM_BACKEND_ZSTD=y CONFIG_ZRAM_BACKEND_842=y CONFIG_ZRAM_DEF_COMP_LZO=y CONFIG_ZRAM_DEF_COMP= \u201alzo\u2019
\n
\u0179r\u00f3d\u0142o: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0441\u0438\u0441\u0442\u0435\u043c, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c zRAM \u0434\u043b\u044f \u0441\u0436\u0430\u0442\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u0434\u0435\u043b\u0430 \u043f\u043e\u0434\u043a\u0430\u0447\u043a\u0438 \u0432 \u043f\u0430\u043c\u044f\u0442\u0438, \u0441\u0442\u043e\u043b\u043a\u043d\u0443\u043b\u0438\u0441\u044c \u0441 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043e\u0439, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0435\u0439 \u043a \u0441\u0431\u043e\u044e \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u043f\u043e\u0441\u043b\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u044f\u0434\u0440\u0430 Linux \u0434\u043e \u0432\u0435\u0440\u0441\u0438\u0438 6.12. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 Gentoo, Void \u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430\u0445, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0438\u0445 zRAM \u0438 \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0438\u0445 \u043f\u0430\u043a\u0435\u0442\u044b \u0441 \u043d\u043e\u0432\u044b\u043c\u0438 \u0432\u0435\u0440\u0441\u0438\u044f\u043c\u0438 \u044f\u0434\u0440\u0430. \u041f\u0440\u0438\u0447\u0438\u043d\u043e\u0439 \u0441\u0431\u043e\u044f \u0441\u0442\u0430\u043b\u043e \u0432\u043a\u043b\u044e\u0447\u0451\u043d\u043d\u043e\u0435 \u0432 \u044f\u0434\u0440\u043e 6.12 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435, \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u0432 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-121113","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Zmiana ustawie\u0144 j\u0105dra Linux 6.12 doprowadzi\u0142a do problem\u00f3w z zRAM w niekt\u00f3rych dystrybucjach | ProHoster","description":"U\u017cytkownicy system\u00f3w korzystaj\u0105cych z mechanizmu zRAM do skompresowanego przechowywania partycji swap w pami\u0119ci napotkali problem prowadz\u0105cy do awarii uruchamiania po aktualizacji j\u0105dra Linux 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