Thanks Bryan I am not using EFI as far as I know. Here is partition scheme
sudo fdisk -l
Disk /dev/sda: 232.91 GiB, 250059350016 bytes, 488397168 sectors
Disk model: Samsung SSD 850
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x0f375531
Device Boot Start End Sectors Size Id Type
/dev/sda2 524288 257045772 256521485 122.3G 83 Linux
/dev/sda3 257046526 488397167 231350642 110.3G f W95 Ext’d (LBA)
/dev/sda5 476477440 488397167 11919728 5.7G 82 Linux swap / Solaris
/dev/sda6 * 257046528 476477439 219430912 104.6G 83 Linux
Partition table entries are not in disk order.
Disk /dev/sdb: 28.92 GiB, 31029460992 bytes, 60604416 sectors