unable to mount disk in opensuse 13.2 KDE 5?

Hello I am Using Opensuse and Linux mint 17.1 when i open dolphin and open mint partition i am getting an error :-

When I run under root :-

$ sudo dolphin

i am getting these error :-

dolphin: cannot connect to X server

when I run :-

kdesu dolphin

my dolphin get crashed

**

cat /etc/fstab OUTPUT :-

cat /etc/fstab UUID=3dd8b6c1-0aec-42f9-81da-da06ae9a330d swap swap defaults 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c / btrfs defaults 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /boot/grub2/i386-pc btrfs subvol=boot/grub2/i386-pc 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /boot/grub2/x86_64-efi btrfs subvol=boot/grub2/x86_64-efi 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /opt btrfs subvol=opt 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /srv btrfs subvol=srv 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /tmp btrfs subvol=tmp 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /usr/local btrfs subvol=usr/local 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /var/crash btrfs subvol=var/crash 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /var/lib/mailman btrfs subvol=var/lib/mailman 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /var/lib/named btrfs subvol=var/lib/named 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /var/lib/pgsql btrfs subvol=var/lib/pgsql 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /var/log btrfs subvol=var/log 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /var/opt btrfs subvol=var/opt 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /var/spool btrfs subvol=var/spool 0 0 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /var/tmp btrfs subvol=var/tmp 0 0 UUID=5d93bc1c-24c5-40ee-bcbc-876b5a4d433b /home xfs defaults 1 2 UUID=95fbd548-4c26-4314-8e63-2c18d201627c /.snapshots btrfs subvol=.snapshots 0 0