On Tue, 2015-10-13 at 05:13 +0300, Denys Fedoryshchenko wrote:
> On 2015-10-07 15:12, Guillaume Nault wrote:
> > On Mon, Oct 05, 2015 at 02:08:44PM +0200, Guillaume Nault wrote:
> >> if (po) {
> >> struct sock *sk = sk_pppox(po);
> >>
> >> - bh_lock_sock(sk);
> >> -
> >> - /* If the user has locked the socket, just ignore
> >> - * the packet. With the way two rcv protocols hook into
> >> - * one socket family type, we cannot (easily) distinguish
> >> - * what kind of SKB it is during backlog rcv.
> >> - */
> >> - if (sock_owned_by_user(sk) == 0) {
> >> - /* We're no longer connect at the PPPOE layer,
> >> - * and must wait for ppp channel to disconnect us.
> >> - */
> >> - sk->sk_state = PPPOX_ZOMBIE;
> >> - }
> >> -
> >> - bh_unlock_sock(sk);
> >> if (!schedule_work(&po->proto.pppoe.padt_work))
> >> sock_put(sk);
> >> }
> >>
> > Finally, I think I'll keep this approach for net-next, to completely
> > remove PPPOX_ZOMBIE.
> > For now, let's just avoid any assumption about the relationship between
> > the PPPOX_ZOMBIE state and the value of po->pppoe_dev, as suggested by
> > Matt.
> >
> > Denys, can you let me know if your issue goes away with the following
> > patch?
> > ---
> > diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
> > index 2ed7506..5e0b432 100644
> > --- a/drivers/net/ppp/pppoe.c
> > +++ b/drivers/net/ppp/pppoe.c
> > @@ -589,7 +589,7 @@ static int pppoe_release(struct socket *sock)
> >
> > po = pppox_sk(sk);
> >
> > - if (sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND | PPPOX_ZOMBIE)) {
> > + if (po->pppoe_dev) {
> > dev_put(po->pppoe_dev);
> > po->pppoe_dev = NULL;
> > }
> I just got OK to upgrade server yesterday, for now around 12 hours
> working fine. I need 1-2 more days, and maybe will upgrade few more
> servers to say for sure, if it is ok or not.
> Sorry for delay, just it is production servers and at current situation
> they cannot tolerate significant downtime.
>
Any update on whether this issue is fixed with the suggested patch?
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