This looks like an issue with the MEN port. without that code its difficult to comment on what exactly may be wrong.
- kumar On Aug 2, 2005, at 3:44 AM, Carl Ljungmark wrote: > Hello everyone! > Trying to boot linux 2.6.12 on an MPC8245 board from MEN (a12) with > MenMon > firmware. Nothing is printed to the console (ttyS0), but the __log_buf > contains this: > > <4>entering platform_init. > <4>MENMON parameter string: MPAR brd=A012a brdrev=01.04.00 brdmod=00 > sernbr=74 cbr=38400 cons=COM1 mem0=262144 cpu=MPC8245 > cpuclk=250memclk=100 > vmeirqenb=FEclun=02dlun=00 mm=smm > MMST=_00+_12+_1B+_1C+_0C+_17+_1A+_1D+_1E-SPD+RTC+LM75+WDOG+CHKS+ALL+. > <4>Command line now console=ttyS0,38400. > <4>Using memory size from MENMON 0x10000000. > <3>Non-recoverable exception at PC=c0007af0 MSR=b930. > <4>Oops: nonrecoverable exception,sig: 9 [#1]. > <4>NIP: C0007AF0 LR:C000E474 SP: C00F7F70 REGS: c00f7ec0 TRAP: 0600 > Not > tainted. > <4>MSR: 0000b930 EE: 1 PR: 0 FP:1 ME: 1 IR/DR:11. > <4>DAR: C0138000, DSISR: 00017C00. > <4>TASK = c00dda10[0] 'swapper' THREAD: c00f6000. > <4>Last syscall: 0 . > <6>GPR00: 00000080 C00F7F70 C00DDA10 C0138000 0000000000001000 > 00000001 > 00000001 . > <6>GPR08: 0000000200000000 00000001 00000000 00000000 00000000 > 00008081 > 2A090A86 . > <6>GPR16: 10588403 1E21D063 21218986 50022502 3C0185B8 > 011368CA00FFF010 > 00FFF024 . > <6>GPR24: 00000000 01F8FA68 40000000 C00DC000000005A9 FD000000 > FD000000 > C0138000 . > <4>NIP [c0007af0] clear_pages+0x10/0x1c. > <4>LR [c000e474] pte_alloc_one_kernel+0x60/0x78. > <4>Call trace:. > <4> [c003e948] pte_alloc_kernel+0x54/0x84. > <4> [c000e5e4] map_page+0x3c/0xdc. > <4> [c00ff61c] io_block_mapping+0x78/0xdc. > <4> [c00fe560] men824xali_map_io+0x20/0x44. > <4> [c00fec38] MMU_init+0x194/0x204. > <4> [c00032a4]start_here+0x48/0x80. > 0>Kernelpanic - not syncing: Attempted to kill the idletask!. > <4> ...... > > adding 'nobats' to the command line changes the boot output > slightly (I > then get two oops). > > In order to get the whole output I had to turn off caching, maybe > this has > influenced the boot process.. with dcache on, the __log_buf is > practically > empty. > > Has anyone managed to boot 6.12 on this board successfully? > > Thanks in advance, > Carl. > > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded at ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded >