[U-Boot] : Bus Fault issue in MPC8313ERDB Custom board

[Liu Dave-R63238]

> I am using u-boot 1.1.6 in MPC8313ERDB custom board. when i'm doing
> Ethernet(tftp) test after 10th iteration "Bus Fault" error 
> occur and restart
> the board. The error message is as follows. 
> 
>  ##############################################Bus Fault @ 
> 0x00000900, fixup
> 0x00000000
> Machine check in kernel mode.
> Caused by (from msr): regs 07f85378 Unknown values in msr
> NIP: 00000900 XER: 00000000 LR: 07FB4A8C REGS: 07f85378 TRAP: 
> 0200 DAR:
> 20000000
> MSR: 00001000 EE: 0 PR: 0 FP: 0 ME: 1 IR/DR: 00
> 
> GPR00: 0803BAE4 07F85468 00000080 07F89CB8 07FFE5A6 00000000 07F85420
> 07FED124
> GPR08: 07FEDBA0 E0024000 07FEDB98 0008362A 07F85348 F40A8804 07FF0000
> 09FA8000
> GPR16: 6B577F13 00000000 00000000 00000000 00000000 00000000 00000000
> 00000000
> GPR24: 07F8ADB8 00000000 07F85FBC 00000003 00000000 07F85F58 0FFF0570
> E0025000
> Call backtrace:
> 07FC7268 07FAFB74 07FAE034 07FC4718 07FCBDD0 07FCB4C4 07FCB6D0
> 07FBAAB8 07FCBDD0 07FCB4C4 07FCB6D0 07FBAAB8 07FCBDD0 07FCB4C4
> 07FCB6D0 07FBAAB8 07FCBDD0 07FCB4C4 07FCB6D0 07FBAAB8 07FCBDD0
> 07FCB4C4 07FCB6D0 07FBAAB8 07FCBDD0 07FCB4C4 07FCB6D0 07FBAAB8
> 07FCBDD0 07FCB4C4 07FCB6D0 07FBAAB8 07FCBDD0
> machine check
> Resetting the board.
>  
> i'm not understanding this isssue. please help me to fix this issue.

Did you have a try the top tree u-boot?