[Openais] mreg patch for multicast
Zou, Yixiong
yixiong.zou at intel.com
Wed Jun 23 11:18:00 PDT 2004
Ok, after the patch, even the 2.6.6 kernel wouldn't work. Same error
message: join multicast group failed, no such device.
The same kernel works when the patch is reversed.
------------------------------------------------------------------------
Yixiong Zou (yixiong.zou at intel.com)
(626) 443-0100
All views expressed in this email are those of the individual sender.
> -----Original Message-----
> From: openais-bounces at lists.osdl.org
> [mailto:openais-bounces at lists.osdl.org] On Behalf Of Zou, Yixiong
> Sent: Wednesday, June 23, 2004 11:05 AM
> To: sdake at mvista.com
> Cc: openais at lists.osdl.org
> Subject: [Openais] mreg patch for multicast
>
>
> Hi Steve,
>
> I patched the gim.c but it still fails during the startup:
>
> [yzou at matrix exec]$ sudo ./aisexec
> join multicast group failed: No such device
> L(4): AIS Executive Service: Copyright (C) 2002-2004
> MontaVista Software, Inc.
> L(4): AIS Executive Service: started and ready to receive connections.
>
> Somehow the setsockopt() is still giving the same error. And here's
> the output of my `uname -a` command:
>
> Linux matrix 2.4.22-1.2188.nptlsmp #1 SMP Wed Apr 21 20:12:56
> EDT 2004 i686 i686 i386 GNU/Linux
>
> It's a Fedora Core 1 box. I can run aisexec fine if I switch to a
> 2.6.6 kernel though.
>
> --------------------------------------------------------------
> ----------
>
> Yixiong Zou (yixiong.zou at intel.com)
>
> (626) 443-0100
>
> All views expressed in this email are those of the individual sender.
>
>
>
> > -----Original Message-----
> > From: Steven Dake [mailto:sdake at mvista.com]
> > Sent: Tuesday, June 22, 2004 5:56 PM
> > To: Zou, Yixiong
> > Cc: openais at lists.osdl.org
> > Subject: RE: [Openais] Your Contributions
> >
> >
> > >
> > > - The aisexec can be compiled on a Fedora Core 1 system,
> > but running it
> > > will fail. I think the multicast isn't enabled in the
> > default Fedora Core 1
> > > kernel. It failed during the setsockopt() call with the
> > "IP_ADD_MEMBERSHIP"
> > > flag. So it will be better if this fact is documented somewhere.
> > >
> >
> > I suspect this may be an incomptibility with the current
> > method used to
> > join a multicast group. It seems to work on some Linux
> > versions and not
> > others. I've rewritten some of the gmi_init code that selects the
> > interface addresses (and uses mreq, instead of mreqn) in a pending
> > patch. I've attached a patch that works on all my targets
> > and Darwin.
> > Can you try it out?
> >
>
>
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