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Conference turris::digital_unix

Title:DIGITAL UNIX(FORMERLY KNOWN AS DEC OSF/1)
Notice:Welcome to the Digital UNIX Conference
Moderator:SMURF::DENHAM
Created:Thu Mar 16 1995
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:10068
Total number of notes:35879

9939.0. "tar halts dUNIX" by BRADEC::PLAUCHA (Bohus Plaucha @BRC) Sun May 25 1997 05:49

    Hi all,
    
    recently I've experienced the following problem (AS4100/dUNIX v4.0b)
    with these commands:
    
      # tar cvf /dev/fd0c <file1>	; file1 less than ~1,4 MB
    	<OK>
      # tar rvf /dev/fd0c <file2>	; file2 bigger than free space
    					  on the diskette
    	<after writing the whole free space on the diskette
    	  system immediately halts down with halt code 2>
    
    (Fortunately there was no load on the customer system, 
    so that after reboot everything looked OK except binary.errlog 
    which seemed to have a corrupted entry.)
    
    Trying "tar cvf /dev/fd0c <file>" when file is bigger than disk capacity
    does not invoke halt. Only when adding a file to tar archive.
    
    It looks machine independent (the same on the AS1000A, AS4100,
    both dUNIX 4.0b).
    
    Has anybody ever seen it ?
    
    	Bohus
    
                                   
T.RTitleUserPersonal
Name
DateLines
9939.1verified on V3.2D-1BRADEC::PODOLINSKYPeter Podolinsky - MCS SlovakiaMon May 26 1997 04:2612
I have tried the same (# tar -rvf /dev/fd0c blabla.bla) on AS1000 running DUNIX V3.2D-1.
Screen turned blue, saying:

halted CPU0
halt code = 2
kernel stack not valid halt
PC = 180f8
>>>

Any idea ?
Regards,
	Peter
9939.2QAR IT!WTFN::SCALESDespair is appropriate and inevitable.Tue May 27 1997 09:206
Any ability by non-priviledged applications or by shell commands or utilities to
unexpectedly halt the system should be QAR'd ASAP.  (And, in general, they
should not be posted in widely available forums, like this notes conference.)


				Webb
9939.3CLD (IPMT) not QARSMURF::MAJESKETue May 27 1997 11:502
    Since the original problem was on a customer's system, you should
    open a CLD (IPMT case) on it, not a QAR.