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Read error on bootinfo structure at 0x800

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Operating Systems SCO Read error on bootinfo structure at 0x800
# 1  
Old 09-05-2010
Read error on bootinfo structure at 0x800
hi

One of our SCO 5.0.6 server is crashing every second or third time during rebooting with kernel panic.
According to this SCO manual:

http://wdb1.sco.com/kb/showta?taid=1...668569&pgnum=1

I've saved dump image into a floppy and I've done the following steps:
Code:
# cd /tmp
# ldsysdump image

Use Floppy Drive 0 (/dev/rfd0) by default.
Press <Return> to use the default device.
Enter valid Floppy Drive number to use if different from default.
Enter t to use tape drive.
>

Enter type of floppy used to save the image :
  1 - double density 360 KB diskettes
  2 - quad density 1.2 MB diskettes
  3 - double density 720 KB diskettes
  4 - high density 1.44 MB diskettes
  n - no, QUIT
> 4

Insert diskette and press <Return>, or type q to quit >
Please wait.

dd ibs=18k count=80 if=/dev/rfd0135ds18 obs=1k |
        uncompress | /etc/sysdump -qi- -o image
uncompress: stdin: not in compressed format
dd: write error: 

# crash -d image
dumpfile = image, namelist = /unix, outfile = stdout
Read error on bootinfo structure at 0x800

BTW I cannot mount this floppy with a dump file:
Code:
# mount /dev/fd0 /mnt
mount: cannot stat '/dev/fd0'

Howto read this dump file?
Last edited by ccc; 09-05-2010 at 01:38 PM..
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