Re: IGMP fragmentation bug - another behavior

From: Serg `Ice` Tsyganenko (iceat_private)
Date: Tue Jul 13 1999 - 06:13:19 PDT

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    Hi all.
    
    I've compiled kod.c on Solaris SPARC 2.6:
    SunOS 5.6 Generic_105181-12 sun4u sparc SUNW,Ultra-1
    with gcc 2.8.1
    
    after executing kod to some win host Solaris hme driver has been choked and was in
    nonoperational mode about 1 min. After this hme interface was reinitialized:
    
    --cut
    SUNW,hme0: Link Down - cable problem?
    SUNW,hme0: Link Down - cable problem?
    SUNW,hme0: Link Down - cable problem?
    SUNW,hme0: Using Internal Transceiver
    SUNW,hme0: 100 Mbps half-duplex Link Up
    --cut
    
    and machine continues work without problems.
    
    Only root user is able to execute kod. kod output is:
    ---
    Determining max MSGSIZE
    Max MSGSIZE is 15000
    ..15000 bytes [HOST:PORT]..
    complete.
    ---
    
    Same behavior on Solaris 7 SPARC/E250 with binaries produced by gcc and
    Sun Workshop 5.0 cc compilers.
    
    Solaris 7 is:
    SunOS 5.7 Generic_106541-05 sun4u sparc SUNW,Ultra-250
    
    But on SPARCstation 4 Model 110 with le card there are no problems with executing
    kod. Interface not frozen... Also target win host machine continues normal work.
    
    Solaris 7 on SS4 is same:
    SunOS 5.7 Generic_106541-05 sun4m sparc SUNW,SPARCstation-4
    
    So looks like kod affects bug in Solaris 2.6/7 hme driver.
    
    --
    ice at terranet dot kiev dot ua, http://www.terranet.kiev.ua/~ice
    



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