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Date:               Fri, 16 Feb 1996 13:45:58 GMT+800
From:      "\6\@\+n\:a 830430 -v100/5719" <NJHUANG@CCLVLAB.CCL.ITRI.ORG.TW>
To:        questions@FreeBSD.ORG
Subject:         Fatal Booting !
Message-ID:  <F1A56D1D44@cclvlab.ccl.itri.org.tw>
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Hi, FreeBSD people:

I get a fatal booting problem while installing FreeBSD at first time.
The followings are my hardware configuration:
   1. 486DX2/66 with 4M DRAM and standard PC/AT bus
       This is the slot-1 VMEbus embedded PC CPU module(EPC-5)
       from RadiSys corporation.
   2. one IDE disk drive and one 1.44M floppy disk drive
   3. NE2000(16-bit) network controller
   4. This configuration has been successfully  installed QNX.

After executing the boot.flp from A: , the following messages appear:

     >> FreeBSD BOOT @ 0x10000: 640/3072 K of memory
    Use hd(1,a)/kernel to boot sd0 when wd0 is also installed
    Usage: [[wd(0,a)/kernel] [-abcCdhrsv]
    Use ? for file list or press Enter for defaults

    BOOT: [Return] ----- I hit
                                           .
                                           .
                                           .
    real memory      4096K
    available memory       1468K
                                           . 
                                           .
                                           .
                                           .
     [Fatal error messages come  at last ]
     
     fatal trap 12: page fault while in kernel mode

      fault virtual address = 0x0
      fault code = supervior read, page not present
      instruction pointer = 0x8:0xf018c82d
      code segment = base 0x0, limit 0xfffff, type 0x1b
                                   = DPL 0, pres 1, def32 2, gran 1
      processor dflags = interrupt enabled, resume, IOPL=0
      current process = 1 (swapper)
      interrupt mask = net tty bio
      
      panic : page fault
     
      syncing disks.
     
      [ End of error messages]                            

What is possibly going with that problem ?



                                                  Sincerely.
                                                     
                                                     Nan-Jung Huang,  
                                                        ITRI at Taiwan
                                                        13:50 Feb. 16

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