Getting a warning: the kernel failed to re-read the partition table on /dev/sda (Device or resource
                    Getting this warning:
"the kernel failed to re-read the partition table on /dev/sda (Device or resource busy). As a result, it may not reflect all of your changes until after reboot."
Please help!
                
                "the kernel failed to re-read the partition table on /dev/sda (Device or resource busy). As a result, it may not reflect all of your changes until after reboot."
Please help!
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