I have installed at a slot of yucca board PCIE with LSI-Logic Mega RAID SAS adapter. But it was happened the following error. What is problem?

Yucca board continues to reboot u-boot code.

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U-Boot 1.1.6 (Nov 13 2006 - 11:42:57)

CPU:   AMCC PowerPC 440SPe Rev. B at 533.328 MHz (PLB=133, OPB=66, EBC=66 MHz)

I2C boot EEPROM enabled

Bootstrap Option D - Boot ROM Location I2C (Addr 0x50)

Internal PCI arbiter enabled

32 kB I-Cache 32 kB D-Cache

Board: Yucca - AMCC 440SPe Evaluation Board

I2C:   ready

 DRAM:  1024 MB

 FLASH:  5 MB

 PCI:   Bus Dev VenId DevId Class Int

 PCIE:1 successfully set as rootpoint

 Bus Fault @ 0x00000000, fixup 0x00000000 Machine check in kernel mode.

 Caused by (from msr): regs 3ff31d28 Unknown values in msr

 NIP: 00000000 XER: 20000000 LR: 3FFD47E4 REGS: 3ff31d28 TRAP: 0200 DAR:

 49642043

 MSR: 00000000 EE: 0 PR: 0 FP: 0 ME: 0 IR/DR: 00

 GPR00: 000000FF 3FF31E18 7FFFFFFF 3FFEFE74 00010800 0000000E 00000001

 3FF31E30

 GPR08: 00000014 C0001000 3FFEFE88 3FFEFE88 42FF2F82 00000000 3FFE6500

 40002000

 GPR16: 00000000 00000000 00000000 00000000 00000000 3FF31D18 00000000

 00010000

 GPR24: 3FFB4914 00000001 00000000 00000001 3FF31E68 3FF31F50 3FFE6CE0

 00010800 Call backtrace:

 machine check

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