Very Computer

  Hi;

I am running sun 4.1.3 on sun ipc with 48 meg (3rd party).
-  It boots up normally, but then it crashes, sometimes  it stays up for

-  hours and  then crashes , and generates the following msg.
-
-  Watchdog reset
-  Data Access Exception.
-
-  When reboot the machine, while rebooting I get the msg
-  reboot after panic: Data fault.
-
-  when system came up I ran the crash ----- trace  command got the
-  following msg
-
-  FP   PC      symt    off
-  f83bfb00 f81107ec sw_bad     80  args
-
-
*********************************************************************************

-
*********************************************************************************

-
-  Second Crash.
-
-
-  When reboot the machine, while rebooting I get the msg
-  reboot after panic: Data fault.
-
-  I also ran the crash command on saved core file, following is the out

-  put
-
-  dumpfile = vmcore.0,  namelist = /vmunix,  outfile = tracefile1
-  > trace
-        FP       PC             SYM+ OFF  ARGS
-  f8388540 f8052550          _panic+  6c
-  f817bab3f838867433080f8389f7fffcd8
-  f83885a0 f8128104           _trap+  184  9f83886743308010
-  f8388618 f8005b98          _setrq+  34  f82d2a1811000f81887f00
-  f83886c0 f8045df0         _wakeup+  e0
-  f817f5d0d00800000000f81888c8f82d2a18
-  f8388720 f8055190      _logwakeup+  24  f817bc22f838882850f8388bec0
-  f8388780 f8051ce4         _printf+  34
-  f817bc22f838884cf8128b188f8128b58f8388828
-  f83887e0 f81280c4           _trap+  144  9f83888b479ccfefc8020
-  f8388858 f8005b98    callhatfault+  34
-  f83889c474f8153c00f82d295cf83889c416
-  f8388900 f8052070          _fnprf+  4c
-  f8051ef4f83889c4f817af880f8051ef481c7e008
-  f8388960 f8051f58            _prf+  20  f817af70f8388af85050
-  f8388a50 f8051cdc         _printf+  2c
-  f817af70f81211103fce01be04001e4f8388af8
-  f8388ab0 f8126f78         _memerr+  88  08f81211101f8388bec98
-  f8388b18 f8128130           _trap+  1b0  1f8388becf8121110830
-  f8388b90 f8005b98         _splbio+  34
-  4000e1f817a800f7fffdd80f7fffdd8f82da548
-  f8388c38 f81210f8    _lwpschedule+  4
-  1001001e2f8153c00f82d295cf7fffdb80
-  f8388ca0 f8110688          _swtch+  44  800ae3f82d2a184000e3030
-  f8388d00 f8045c2c          _sleep+  1a0  f81888c81a61a001af82d295c
-  f8388d60 f8054e3c         _select+  4cc
-  ffbfffff88001f8388fe0f7fffd38f8388dd0f8389000
-  f8388ec0 f8129130        _syscall+  3b4  f8389000
-
-  --
-
-  Thanks
-
-  Farid.
-