[vlc-devel] Multicast broken on MacOSX

Derk-Jan Hartman hartman at videolan.org
Thu Jan 1 02:59:13 CET 1970


Hi Remi,

It seems that on OSX, the SAP module can no longer listen to the SAP  
addresses. The IPv4 addresses can no longer be joined, and the IPv6  
ones actually crash VLC.
Do you have an idea of where to start looking ?

[00000284] main playlist debug: Add services_discovery sap
[00000294] main private debug: looking for services_discovery module:  
1 candidate
[00000294] main private debug: using services_discovery module "sap"
[00000284] main playlist debug: rebuilding array of current - root  
Playlist
[00000284] main playlist debug: rebuild done - 0 items, index -1
[00000294] main private debug: thread 51870208 (services_discovery)  
created at priority -47 (playlist/services_discovery
[00000294] main private debug: net: listening to 224.2.127.254 port 9875
2006-11-26 22:35:35.010 VLC[16227] 3 children for Undefined
[00000294] main private debug: IP_ADD_MEMBERSHIP multicast request
[00000294] main private error: cannot join IPv4 multicast group  
(Can't assign requested address)
[00000294] main private error: Multicast group join error (Can't  
assign requested address)
[00000294] main private error: Multicast not supported
[00000294] main private debug: net: listening to 239.195.255.255 port  
9875
[00000294] main private debug: IP_ADD_MEMBERSHIP multicast request
[00000294] main private error: cannot join IPv4 multicast group  
(Can't assign requested address)
[00000294] main private error: Multicast group join error (Can't  
assign requested address)
[00000294] main private error: Multicast not supported
[00000294] main private debug: net: listening to 239.255.255.255 port  
9875
[00000294] main private debug: IP_ADD_MEMBERSHIP multicast request
[00000294] main private error: cannot join IPv4 multicast group  
(Can't assign requested address)
[00000294] main private error: Multicast group join error (Can't  
assign requested address)
[00000294] main private error: Multicast not supported
[00000294] main private debug: net: listening to 239.255.255.255 port  
9875
[00000294] main private debug: IP_ADD_MEMBERSHIP multicast request
[00000294] main private error: cannot join IPv4 multicast group  
(Can't assign requested address)
[00000294] main private error: Multicast group join error (Can't  
assign requested address)
[00000294] main private error: Multicast not supported
[00000294] main private debug: net: listening to 224.0.0.255 port 9875
[00000294] main private debug: IP_ADD_MEMBERSHIP multicast request
[00000294] main private error: cannot join IPv4 multicast group  
(Can't assign requested address)
[00000294] main private error: Multicast group join error (Can't  
assign requested address)
[00000294] main private error: Multicast not supported
[00000294] main private debug: net: listening to FF01::2:7FFE port 9875

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00000001
[Switching to process 16227 thread 0x6503]
0x000b48bd in net_SourceSubscribe (obj=0x1da6e50, fd=6, src=0x0,  
srclen=0, grp=0x1dff520, grplen=28) at network/udp.c:41
418         if ((src != NULL) && (src->sa_family != grp->sa_family))
(gdb) quit

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