On Tue, 2005-08-02 at 16:08 +0300, Hal Rosenstock wrote: > This was reported back a while ago. The simplest scenario I have found to > reproduce this is as follows: > > After using SDP, and unload SDP and then unload IPoIB and > got the following: > > unregister_netdevice: waiting for ib0 to become free. Usage count = 1 > > The simplest way I found to recreate this is: > 1. Bring up IPoIB and then SDP > 2. Run tcp.aio.x -t <local IPoIB address> > (no server/receiver) > 3. Wait for connection refused > 4. Unload SDP and then IPoIB
[EMAIL PROTECTED] ~]# modprobe ib_ipoib ip_tables: (C) 2000-2002 Netfilter core team [EMAIL PROTECTED] ~]# ifconfig ib0 192.168.0.26 up [EMAIL PROTECTED] ~]# ping 192.168.0.0 -b WARNING: pinging broadcast address PING 192.168.0.0 (192.168.0.0) 56(84) bytes of data. 64 bytes from 192.168.0.26: icmp_seq=0 ttl=64 time=0.057 ms 64 bytes from 192.168.0.233: icmp_seq=0 ttl=64 time=0.159 ms (DUP!) <-- snip --> [EMAIL PROTECTED] rc]# modprobe ib_sdp [EMAIL PROTECTED] ~]# ./ttcp -t -l 65536 -n 100000 -a 20 localhost -p 5002 ttcp-t: buflen = 65536 nbuf = 100000 align = 16384/0 port = 5002 localhost ttcp-t: socket ttcp-t: connect: Connection refused errno=111 [EMAIL PROTECTED] ~]# rmmod ib_sdp [EMAIL PROTECTED] ~]# rmmod ib_ipoib [EMAIL PROTECTED] ~]# I can even shoot stuff over the wire and not have unload issues. What is the problem? Perhaps you need my sdp_inet_port_put() patch? -tduffy
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