On Thu, 12 May 2011 15:59:16 -0700 (PDT) David Miller <davem@xxxxxxxxxxxxx> wrote: > From: Noah Meyerhans <noahm@xxxxxxxxxx> > Date: Tue, 10 May 2011 16:35:40 -0700 > > > On Tue, May 10, 2011 at 03:11:00PM -0700, Stephen Hemminger wrote: > >> There were two more follow on commits in stable related to this. > >> I recommend merging 2.6.38.6 which includes these. > > > > The problem still exists in the current 2.6.38.6. Backing out 5f1c356a > > still solves the problem there. > > > > I have not yet tried anything outside the stable-2.6.38.y tree, but it > > seems like these same changes are present there, and it's unlikely that > > other releases will work any better. > > So the issue is that if we back out that change, we get crashes. > > Aparently there is a code path where whatever is existing in the > SKB ip options block matters, and needs to be maintained. > > Someone needs to audit all of this and figure out how to fix the > problem properly. > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html I suspect tuntap is part of the problem. The skb may not be allocated with enough padding or something like that. No guarantees but will do some investigation. -- _______________________________________________ Bridge mailing list Bridge@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/bridge