Hi, On Fri, 26 May 2006 09:49:50 +0900 "Roman Mashak" <mrv@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx > Yoichi