Solaris 10 10/08 Release Notes

System Crash Dump Fails on Devices Greater Than 1 TByte (6214480)

The system cannot generate a dump on a partition that is equal to or greater than 1 Tbyte in size. If such a device is on a system, the following might occur after the system boots subsequent to a system panic:

Workaround: Configure the size of your system's dump device to less than 1 Tbyte.