A start job is running for dev-disk-by\x2duuid-db1d2b48
If anyone getting error “A start job is running for dev-disk-by” while boot or reboot VM it means there is a problem in /etc/fstab
Full error message like :
After a full system upgrade I got following message, which was blocking the startup for 1 min and 30 secs:
A start job is running for dev-disk-by\x2duuid-db1d2b48\x2d0cfb\x2d4bdf\x2dabe8\x2dfb287a4274d5.device
How to Analysis Problem
1) Check fstab entry right ?
cat /etc/fstab $/dev/sda3 LABEL=archlinux UUID=dec6257b-e136-47b6-c3b5-8bcd5b749193 / ext4 defaults,data=ordered 0 1 # /dev/sda4 UUID=fb1c1b47-0efb-2bcf-abce8-fe227a3214d5 none swap defaults 0 0 /dev/sda2 /mnt/backup ntfs-3g defaults,uid=melladric,gid=users,umask=0022 0 0
2) Check UUID using command : lsblk -f
$ lsblk -f NAME FSTYPE LABEL UUID MOUNTPOINT sda sda1 ntfs SYSTEM 3436F2D494F29787 sda2 ntfs A06C17246C66F45E /mnt/backup sda3 swap a7fa69a8-31bd-448c-98de-55de4aa6f06a sda4 ext4 archlinux dec6257b-e136-47b6-c3b5-8bcd5b749193 /
Now verify that which UUID in fstab is incorrect!
In my case Swap UUID in fstab is incorrect. I corrected entry in /etc/fstab and solved the problem.
That’s it! Please let us know if you have any questions.
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