Partition Magic Chokes on my Partitions

[Per-Olof Litby - Reg'l Mgr Nordic/Baltic - Java System Software - Sun Microsystems]

Greetings,

Here's the problem: I have a triple boot system on this laptop - Win XP 
Pro, Fedora Core 2, and Sun's Java Desktop System (SuSE based). Here's 
the output of the fdisk -l command:

   Device Boot      Start         End      Blocks   Id  System
/dev/hda1               1        3335    26785048+   7  HPFS/NTFS      
         Windows XP, NTFS
/dev/hda2            3335        4864    12285000    f  W95 Ext'd 
(LBA)         Extended, containing hda5,6,7,8
/dev/hda5            3335        4100     6146248+  83  Linux            
       Fedora Core 2 / ext3
/dev/hda6            4100        4228     1028128+  82  Linux swap      
        Fedora Core 2 swap
/dev/hda7   *        4228        4789     4505728+  83  Linux            
       Sun JDS / reiserfs
/dev/hda8            4789        4864      604768+  82  Linux swap      
        Sun JDS swap


Al the  partitions except the NTFS one were created in Partition Magic. 
I was trying to use Partition Magic to decrease the size of the NTFS 
partition, then increase the size of the extended partition and use the 
freed up space for an additional Linux partition. But when I start 
Partition Magic (it hasn't been run since the 2 Linux systems were 
installed) it spits out a bunch of complaints about the partition table. 
It offers to fix them but I'm afraid that would do something bad to the 
Linux systems.

What could the Linux install programs have done to the partition table 
that offends Partition Magic?

/POL



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