Ubuntu: swapon: /dev/sdb1: swapon failed: Invalid argument



Question:

I am unable to mount a swap partition

Terminal code:

     Device Boot      Start         End      Blocks   Id  System  /dev/sdb1            2048     7831551     3914752   82  Linux swap / Solaris  root@chrubuntu:/home/user# swapon -v /dev/sdb1  swapon on /dev/sdb1  swapon: /dev/sdb1: found swap signature: version 1, page-size 4, same byte order  swapon: /dev/sdb1: pagesize=4096, swapsize=4008706048, devsize=4008706048  swapon: /dev/sdb1: swapon failed: Invalid argument  root@chrubuntu:/home/user#   

Can someone help?

EDIT:

Output of sudo blkid

  /dev/sda1: UUID="63dbf7c2-877c-4a5e-8281-8be811c60056" TYPE="ext4"   /dev/sda3: LABEL="ROOT-A" SEC_TYPE="ext2" TYPE="ext4"   /dev/sda5: UUID="2678643c-7148-427e-99b9-3af143dedcf3" TYPE="ext4"   /dev/sda7: UUID="38794eb2-bdc4-4f2a-97fd-0100fa5600a0" TYPE="ext4"   /dev/sda8: LABEL="OEM" UUID="e39a733b-31fd-48df-8645-0e64e14d3f10" TYPE="ext4"   /dev/sda12: SEC_TYPE="msdos" UUID="7B3E-EAE9" TYPE="vfat"   /dev/sdb1: UUID="a4637af0-b82f-4247-ace4-c1621d2fdb7a" TYPE="swap"   


Solution:1

Try

sudo mkswap /dev/sdb1  

and then swapon.


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