Hi All, I got a similar issue with no final resolution.
http://archive.linuxvirtualserver.org/html/lvs-users/2010-01/msg00049.html I can't respond to the given mail-thread as its an old one and I am new joiner. No one is replying as yet to my mail; so thought like updating same. On Fri, May 3, 2013 at 4:28 PM, Dev Ankzz <[email protected]> wrote: > Hi All, > > ipvsadm-1.26 reports error as "*Invalid operation. Possibly wrong module > version, address not unicast, ...*" for a valid request with option "-ln > -t". > > *Ex*: > # ipvsadm -ln -t a.b.c.d:http > Invalid operation. Possibly wrong module version, address not unicast, ... > > > *Bug details*: > > # ipvsadm -l > IP Virtual Server version 1.2.1 (size=131072) > Prot LocalAddress:Port Scheduler Flags > -> RemoteAddress:Port Forward Weight ActiveConn InActConn > TCP a.b.c.d:http wrr > -> w.x.y.z:http Masq 100 0 0 > > # ipvsadm -ln -t a.b.c.d:http > Invalid operation. Possibly wrong module version, address not unicast, ... > > # which gcc > /usr/bin/gcc > # gcc --version > gcc (GCC) 4.1.1 > Copyright (C) 2006 Free Software Foundation, Inc. > This is free software; see the source for copying conditions. There is NO > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > > # > > *RCA:* > > In lipipvs.c tsvc variable was not getting initialized. Field members were > set to junk values. ipvs_nl_fill_service_attr was used to create message > using these junk values too. leading to this issue. > > *Fix:* > Initializing the structure variable to 0 solves the issue. > > *Diff for the fix:* > > diff -urNp ipvsadm-1.26/libipvs/libipvs.c ipvsadm-1.26_lb/libipvs/libipvs.c > --- ipvsadm-1.26/libipvs/libipvs.c 2011-02-06 18:38:57.000000000 -0800 > +++ ipvsadm-1.26_lb/libipvs/libipvs.c 2013-05-03 02:57:08.000000000 -0700 > @@ -921,6 +921,7 @@ ipvs_get_service(__u32 fwmark, __u16 af, > struct ip_vs_get_services *get; > struct nl_msg *msg; > ipvs_service_t tsvc; > + memset(&tsvc, 0, sizeof(ipvs_service_t)); > tsvc.fwmark = fwmark; > tsvc.af = af; > tsvc.protocol= protocol; > > > > *Note : *Works fine with gcc-4.3.2. It initializes uninitialized data > structure members. So issue is not seen here. > > ------------------------------------------------- > > I am new to this mailing-list but wanted to contribute. If I am posting at > the wrong place, my sincere apologies. Would request to guide me to correct > link or mailing list. > > Thanks and Regards, > Ankit > _______________________________________________ Please read the documentation before posting - it's available at: http://www.linuxvirtualserver.org/ LinuxVirtualServer.org mailing list - [email protected] Send requests to [email protected] or go to http://lists.graemef.net/mailman/listinfo/lvs-users
