Gecko/20110303 Thunderbird/3.1.9   
   ies,comp.os.os2.programmer.misc   
   UTC)   
   comp.os.os2.utilities:148 comp.os.os2.programmer.misc:2066   
   From: Jonathan de Boyne Pollard    
      
   >> Others have not been so lucky. It turns out that there's a    
   >> not-so-well-known problem with the FAT32 IFS driver and access to    
   >> *large* partitions (certainly larger than Allan's ~4GiB at any rate)    
   >> that affects any program that tries to read the partition directly,    
   >> as of course CHKVOL does. One cannot even seek to block #0 and read    
   >> it. I'm trying a few workaround strategies for this.   
   >>   
   > You might be seeing the same problem as what I reported about a year    
   > ago: reading by anything larger than 512 B blocks is "unreliable" -    
   > gives junk.   
   >   
      
   No, this is definitely a seeking problem.  DosSetFilePtr() returns    
   ERROR_SEEK.  M. Dodel removed his IFS driver and the problem went away.     
   But with it present, that's what happens.  So we're seeing what    
   DosSetFilePtrL() does.   
      
      
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