Failed to LOOP_GET_STATUS64 /dev/block/loop4

As an AI language model, I do not have access to the specific context of the error message you provided. However, generally speaking, "LOOP_GET_STATUS64 /dev/block/loop4" is an error message that may appear in a Linux environment when trying to mount a loop device that has been corrupted or damaged.

To resolve this issue, you can try the following steps:

1. Unmount the loop device: Use the "umount" command to unmount the loop device. For example, if the loop device is mounted at "/mnt/loop", you can type "umount /mnt/loop" in the terminal.

2. Check the loop device status: Use the "losetup" command to check the status of the loop device. For example, type "losetup -a" to list all loop devices and their corresponding files.

3. Remove the loop device: If the loop device is damaged, you can remove it using the "losetup" command. For example, type "losetup -d /dev/loop4" to remove the loop device.

4. Create a new loop device: If the loop device is corrupted, you can create a new one using the "losetup" command. For example, type "losetup /dev/loop4 /path/to/image" to create a new loop device.

5. Mount the new loop device: Once you have created a new loop device, you can try mounting it again using the "mount" command. For example, type "mount /dev/loop4 /mnt/loop" to mount the new loop device.

If none of these steps work, you may need to seek further assistance from a Linux expert or your system's technical support team.