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Message
From: Robert Millan<rmh@a...>
Date: Wed Jun 29 21:58:21 CEST 2005
Subject: [openrisc] Oops when booting Linux
On Wed, Jun 29, 2005 at 01:55:06PM +0200, Matjaz Breskvar wrote:
> Hi Robert,
>
> i'm already aware of this problem when building linux 2.4 with gcc-3.4.2. at
> the time i was looking at it i traced it to be related to gcc. kernel and
> compiler should be of approx. the same version. i suggest you use gcc-3.2.3
> with linux-2.4 (you shouldn't have any problems with it).
Ok, after fixing gcc-3.2.3 (see other mail), and rebuilding it gets further
but then stucks into:
^MNET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
^MUnable to handle kernel NULL pointer dereference at virtual address 0x00000000
^M
^MOops#: 0000
^MCPU #: 0
^M PC: c000d31c SR: 00008261 SP: c03a9f68
^MGPR00: 00000000 GPR01: c03a9f68 GPR02: c03a8000 GPR03: c03a9f90
^MGPR04: 00000003 GPR05: 00000001 GPR06: c0359a60 GPR07: 00000120
^MGPR08: ffffffe0 GPR09: c000d2ec GPR10: 00000000 GPR11: 00000001
^MGPR12: c03fdfe8 GPR13: c0356e9c GPR14: c01abf10 GPR15: c0356e94
^MGPR16: c03fdfe0 GPR17: c0356e98 GPR18: 00000000 GPR19: c0356ea0
^MGPR20: 00000003 GPR21: 0000007f GPR22: c01a8508 GPR23: 00000001
^MGPR24: 00000001 GPR25: 00000019 GPR26: c01a99cc GPR27: 00000070
^MGPR28: 00000000 GPR29: c017cbf4 GPR30: c01c64f4 GPR31: 00000000
^M RES: 00000000 oGPR3: c03a9f90 dummy: c03a9f94
^MProcess swapper (pid: 1, stackpage=c03a8000)
^M
^MStack: Stack dump [0xc03a9ee0]:
^Msp + 00: 0xc03a9f68
[...]
^Msp + 284: 0xc01ccfa0
^M
^MCall Trace: [<c000d2ec>] [<c0023cf4>] [<c0023fd4>] [<c0002e40>] [<c0005c48>]
Here are the source lines / function names for PC and the other addresses in
call trace:
rmh at aragorn:/usr/src/or1k/linux/linux-2.4$ addr2line -e vmlinux -f c000d31c
__wake_up
/usr/src/or1k/linux/linux-2.4/kernel/sched.c:729
rmh at aragorn:/usr/src/or1k/linux/linux-2.4$ addr2line -e vmlinux -f c000d2ec
__wake_up
/usr/src/or1k/linux/linux-2.4/kernel/sched.c:723
rmh at aragorn:/usr/src/or1k/linux/linux-2.4$ addr2line -e vmlinux -f c0023cf4
schedule_task
/usr/src/or1k/linux/linux-2.4/kernel/context.c:65
rmh at aragorn:/usr/src/or1k/linux/linux-2.4$ addr2line -e vmlinux -f c0023fd4
flush_scheduled_tasks
/usr/src/or1k/linux/linux-2.4/kernel/context.c:149
rmh at aragorn:/usr/src/or1k/linux/linux-2.4$ addr2line -e vmlinux -f c0002e40
init
/usr/src/or1k/linux/linux-2.4/init/main.c:562
rmh at aragorn:/usr/src/or1k/linux/linux-2.4$ addr2line -e vmlinux -f c0005c48
or32_console_write
/usr/src/or1k/linux/linux-2.4/arch/or32/kernel/dbgport.c:97
Any help would be much appreciated.
--
Robert Millan
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