truss output

Hi,

We keep getting hanging Oracle process for our ETL. The dba's asked me to do o truss. All I see is pages and pages of the following,:cool:
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
yield() = 0

The Oracle file systems are luns on san storage. I did an iostat and did not see any wait times for the SAN disks. Any hints?

Thanks a bunvh

Happy Adm