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    SubjectRe: 2.6.29.1: unregister_netdevice problem
    On Fri, May 15, 2009 at 12:54:14PM +0400, Alexander V. Lukyanov wrote:
    > On Fri, May 15, 2009 at 08:06:49AM +0000, Jarek Poplawski wrote:
    > > On Fri, May 15, 2009 at 11:19:46AM +0400, Alexander V. Lukyanov wrote:
    > > ...
    > > > Looks like 2.6.28.10 does not have this refcnt problem. Also, after I have
    > > > reversed net/ipv4/route.c changes from 2.6.29, the problem does not occur either.
    > >
    > > Very nice work! It should be a piece of cake now - there were not much
    > > changes. I'll look at it, as usual ;-), but, of course if it's
    > > possible, it would be great to try "in the meantime" with reverted the
    > > biggest of them append below.
    >
    > I suspect the problem occurs when cand==rthi.

    Looks like good catch! (But there could be more than this.) Then, of
    course it would be interesting to try first some fix (like nulling
    rthi after rt_free(cand), I guess).

    Jarek P.


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