user@debian:~$ journalctl -xe | grep "A start job is running for dev-disk (timeout)"

Critical

A start job is running for dev-disk (timeout)_ (Debian)

A start job is running for dev-disk (timeout)

Debian · Boot/GRUB

Debian just hit error A start job is running for dev-disk (timeout), which corresponds to a fault called "A start job is running for dev-disk (timeout)". This is one of the most searched error codes for this OS — you're not alone, and there's a clear fix.

What Actually Happened

System boot halted: systemd is waiting on a disk or partition that is not appearing in time, often a fstab entry for a removed drive.

Symptoms

Linux boot halted with message: 'A start job is running for dev-disk (timeout)'

Common Causes

Boot condition: systemd is waiting on a disk or partition that is not appearing in time, often a fstab entry for a removed drive

How to Fix It

01
Boot from a Live USB media
02
Chroot into installation and run:
sudo update-grub
03
Reinstall bootloader:
sudo grub-install /dev/sda

⚡ INSTANT REFERENCE KIT

System Administrator Emergency Kit

Stop searching for syntax under pressure. Get 100+ verified, battle-tested emergency recovery commands for Windows & Linux in one printable PDF guide.

GET EMERGENCY KIT $9.99