Hi,
On Fri, 26 May 2006 09:49:50 +0900
"Roman Mashak" <mrv@corecom.co.kr> wrote:
> Hello!
>
> I have evaluation board from PMC-sierra, their CPU is using E9000 core.
> Kernel (2.4.26), root FS are provided by them. I set up NFS and TFTP servers
> on my linux box, kernel loads into board but fails to boot woth the
> following message (I skipped some lines of kernel):
>
<snip>
> Freeing unused kernel memory: 104k freed
> do_cpu invoked from kernel context! in traps.c::do_cpu, line 676:
This error is coprocessor unusable exception.
> $0 : 00000000 9004a000 2ab03fe0 2ab03fe0 2ab01560 00000000 00000ae0 00000ae0
> $8 : 00000020 2ab01fe0 2ab01520 00001000 00000019 00000080 811d7b18 00000c62
> $16: 2ab010c0 811d7c58 87f8cfe0 00000003 00000080 2ab01520 87f841a0 00000001
> $24: 00000000 00000080 811d6000 811d7ba0 2aaa8000 8015f414
> Hi : 00000000
> Lo : 00000000
> epc : 80256e14 Not tainted
The exception program counter is 0x80256e14 .
You can check instructions(0x80256e14 and before) in your kernel object.
> Status: 9004a003
> Cause : 1000002c
> PrId : 000034c1
> Process init (pid: 1, stackpage=811d6000)
> Stack: 8015f8a8 8015f9a8 87f71180 8012b2fc 00000000 80135330 00002012
> 00000019 87f8cf60 2ab019e4 00000004 00002012 000590c0 2ab01000 10000000
> 811d7d88 87ff5740 00000000 811d7ef8 81164e80 00000000 00000002 87f841a0
> 8015ffd8 811d7c20 811d6000 811d7cbc 801975a4 00006012 0000000a 811d7c18
> 811d7c18 7f454c46 01020100 00000000 00000000 00020008 00000001 00401980
> 00000034 ...
> Call Trace: [<8015f8a8>] [<8015f9a8>] [<8012b2fc>] [<80135330>]
> [<8015ffd8>]
> [<801975a4>] [<8015fbc0>] [<801493ac>] [<801007b8>] [<8014889c>]
> [<801495bc>]
> [<801495a8>] [<801007b8>] [<80108f80>] [<801007b8>] [<8014fcc4>]
> [<801095c0>]
> [<8025ad30>] [<801007b8>] [<8025ad30>] [<8014af50>] [<801007b8>]
> [<80117888>]
> [<801194a0>] [<80100884>] [<801007b8>] [<8010079c>] [<8025de14>]
> [<80104320>]
> [<80117aec>] [<8026b7a8>] [<801b2054>] [<80104310>]
>
> Code: 30c8003c 01244821 24840040 <ac85ffc0> ac85ffc4 ac85ffc8 ac85ffcc
> ac85ffd0 ac85ffd4
> Kernel panic: Attempted to kill init!
> =====================
>
> I load kernel with the following parameters:
> tftp://192.168.11.43/vmlinux ip=192.168.11.42 root=/dev/nfs
> nfsroot=192.168.11.43:/export/linux/mips-fs-be
>
> What may be the problem here?
>
> Thanks in advance!
>
> With best regards, Roman Mashak. E-mail: mrv@corecom.co.kr
>
Yoichi
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