Possible lvmdiskscan bug?

lvmdiskscan in the version 1.0.6 gives me a strange error, saying "size of "lvmdiskscan" is larger than 2TB", but the disk array is about 1.2TB is it a known bug?

Thanks in advance.

[root@storageone PATCHES]# lvmdiskscan
lvmdiskscan -- reading all disks / partitions (this may take a while...) /dev/sda -- size of "lvmdiskscan" is larger than 2TB

lvmdiskscan -- /dev/sda1 [ 5.63 GB] Primary LINUX native partition [0x83]
lvmdiskscan -- /dev/sda2 [ 509.88 MB] Primary [0x82]
/dev/sda3 -- size of "lvmdiskscan" is larger than 2TB

Disk /dev/sda: 255 heads, 63 sectors, 135155 cylinders Units = cylinders of 16065 * 512 bytes

   Device Boot    Start       End    Blocks   Id  System
/dev/sda1   *         1       735   5903856   83  Linux
/dev/sda2           736       800    522112+  82  Linux swap

/dev/sda3 801 135155 1079206537+ 8e Linux LVM