Gave up waiting for root device? Problemi di kernel

gaveup_linuxChi, come me, utilizza Linux sperimentando qualsiasi cosa gli capiti sotto mano, è consapevole che anche una singola azione sbagliata può compromettere il funzionamento di tutto il sistema.

Da grandi poteri derivano grandi responsabilità, come diceva qualcuno :D

E infatti, dopo qualche mio esperimento andato non esattamente a buon fine, ecco che ho ottenuto un errore durante l’avvio della mia distribuzione Debian, immediatamente dopo GRUB:

Gave up waiting for root device. Common problems:
– Boot args (cat /proc/cmdline)
– Check rootdelay= (did the system wait long enough?)
– Check root= (did the system wait for the right device?)
– Missing modules (cat /proc/modules: ls /dev)
ALERT! /dev/sda3 does not exist. Dropping to a shell!

Problema serio? Sì, abbastanza.

Se cercando in rete e provando i vari fix non siete ancora riusciti a risolvere, allora molto probabilmente la causa del vostro problema è identica alla mia: l’immagine del kernel è per qualche motivo danneggiata.

Risolvere il problema

Per prima cosa dovete procurarvi un’immagine del kernel di un’altra installazione funzionante di Debian. La versione del kernel, naturalmente, deve essere identica. Dovreste trovarla in /boot/ e il nome del file dovrebbe essere qualcosa di simile a initrd.img-2.6.26-2-686. Io l’ho presa da un’installazione su VirtualBox.

Adesso sostituite l’immagine funzionante a quella presente sul vostro sistema operativo (potete farlo tramite una distribuzione live) e riavviate il sistema. Se tutto è andato bene il sistema dovrebbe avviarsi, e potete ignorare gli eventuali warning o errori che potrebbero presentarsi: li risolveremo dopo.

Per finire eseguite in sequenza i seguenti comandi:

[bash light="true"]aptitude update
aptitude safe-upgrade
update-initramfs -v -u -k versionekernel -t | tee update-kernellog.log[/bash]

dove al posto di versionekernel dovete inserire la versione del kernel interessato.

Riavviate, e tutto dovrebbe essere ok.

3 pensieri su “Gave up waiting for root device? Problemi di kernel

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