{"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\/it\/blog\/news\/izmenenie-nastroek-yadra-linux-6-12-privelo-k-problemam-c-zram-v-nekotoryh-distributivah","title":{"rendered":"La modifica delle impostazioni del kernel Linux 6.12 ha portato a problemi con zRAM in alcune distribuzioni","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Gli utenti dei sistemi che utilizzano il meccanismo zRAM per la memorizzazione compressa della partizione di swap in memoria hanno riscontrato un problema che porta a un errore di avvio dopo l'aggiornamento del kernel Linux alla versione 6.12. Il problema si manifesta in Gentoo, Void e altre distribuzioni che supportano zRAM e offrono pacchetti con le nuove versioni del kernel. <\/p>\n

La causa dell'errore \u00e8 stata una modifica inclusa nel kernel 6.12 che aggiunge la possibilit\u00e0 di configurare gli algoritmi di compressione durante il funzionamento. Nel contempo, \u00e8 stata cambiata la logica di selezione degli algoritmi di compressione disponibili nella fase di compilazione del kernel in Kconfig. Questa modifica ha portato a problemi nelle distribuzioni che si basavano sulle impostazioni predefinite e non avevano abilitato singolarmente tutti gli algoritmi di zRAM disponibili nella configurazione Kconfig per il kernel 6.12. <\/p>\n

Dopo l'aggiornamento al kernel 6.12, nei distretti simili era disponibile solo l'algoritmo di compressione di base impostato come predefinito, e non tutti gli algoritmi supportati. Di conseguenza, tentando di attivare algoritmi per zRAM che non corrispondono a quello predefinito, si verificava un errore all'avvio. Ad esempio, scegliendo l'algoritmo lz4 all'avvio si otteneva l'errore \u00abzramctl: \/dev\/zram0: failed to set algorithm: Invalid argument\u00bb, poich\u00e9 gli algoritmi supportati erano solo lzo, invece dei precedentemente supportati lzo, lz4, lz4hc, 842 e zstd. <\/p>\n

Il problema si risolve abilitando in Kconfig ogni backend di compressione singolarmente (le impostazioni CONFIG_ZRAM_BACKEND_* sono state aggiunte nel kernel 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=\u00bblzo\u00ab
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\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\udd47La modifica delle impostazioni del kernel Linux 6.12 ha portato a problemi con zRAM in alcune distribuzioni | ProHoster","description":"Gli utenti dei sistemi che utilizzano il meccanismo zRAM per la memorizzazione compressa della partizione di swap in memoria hanno riscontrato un problema che porta a un errore di avvio dopo l'aggiornamento del kernel Linux alla 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