[ubuntu-mono] [Bug 136641] Mono: Exception attempting to join IPv6 multicast group

Philipp Baer phbaer at npw.net
Sat Sep 1 21:10:32 BST 2007

Public bug reported:

Binary package hint: mono

When attempting to join an IPv6 multicast group the following exception is

Unhandled Exception: System.Net.Sockets.SocketException: Invalid arguments
  at System.Net.Sockets.Socket.SetSocketOption (SocketOptionLevel level,
SocketOptionName name, System.Object opt_value) [0x00000] 
  at mcast.Main (System.String[] args) [0x00000] 

The strace output reads as follows:

bind(7, {sa_family=AF_INET6, sin6_port=htons(12345), inet_pton(AF_INET6,
"::", &sin6_addr), sin6_flowinfo=0, sin6_scope_id=0}, 28) = 0
setsockopt(7, SOL_IPV6, IPV6_ADD_MEMBERSHIP,
"\0\0\0\0\0\0\0\0\30\314\7\0\0\0\0\0", 16) = -1 EINVAL (Invalid argument)

This bug has been fixed in svn r83812:


** Affects: mono
     Importance: Unknown
         Status: Unknown

** Affects: mono (Ubuntu)
     Importance: Undecided
         Status: New

Mono: Exception attempting to join IPv6 multicast group
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