> I am using a custom board with MPC8313E processor. In u-boot > prompt, when i > do TFTP of large size files, sometime it hangs completely > and, sometimes it > says bus fault, prints following message and resets the board. > > /////////////////////////////////////////////////message > printed///////////////////////////////////////////////// > Bus Fault @ 0x00000900, fixup 0x00000000 > Machine check in kernel mode. > Caused by (from msr): regs 07f85b48 Unknown values in msr > NIP: 00000900 XER: 20000000 LR: 07FC709C REGS: 07f85b48 TRAP: > 0200 DAR: > 07F85F58 > MSR: 00001000 EE: 0 PR: 0 FP: 0 ME: 1 IR/DR: 00 > > GPR00: 00000000 07F85C38 00000080 FFFFFFFF 07FFCD80 07FEDB88 07FEDB88 > 07FED124 > GPR08: 07FEDB98 4E800020 07FEDBB0 0000000C 07F85B28 F54ADC0C 07FF0000 > 09FA8000 > GPR16: 7347FB13 00000000 00000000 00000000 00000000 00000000 00000000 > 00000000 > GPR24: 07F89ED8 00000000 07F85FBC 00000003 00000000 07F85F58 0FFF1390 > 07FED054 > Call backtrace: > 07FC70D4 07FC7274 07FC73F8 07FAE0E8 07FC4724 07FCBDDC 07FCB4D0 > 07FCB6DC 07FBAAC4 07FCBDDC 07FCB4D0 07FCB62C 07FBA2B4 07FAC84C > 07FAB66C 00420400 > machine check > Resetting the board. > ////////////////////////////////////////////////////////////// > ///////////////////////////////////////////////// > > Please help me with what could be the reason for this ?
Did you have one stable memory system? What is the clock information? Such as core/csb/ddr data rate? What is the ACR value? Thanks, Dave _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot