Florian Westphal <f...@strlen.de> wrote: > Denys Fedoryshchenko <nuclear...@nuclearcat.com> wrote: > > Hi, > > > > I am trying to upgrade kernel 4.11.8 to 4.12.3 (it is a nat/router, handling > > approx 2gbps of pppoe users traffic) and noticed that after while server > > rebooting(i have set reboot on panic and etc). > > I can't run serial console, and in pstore / netconsole there is nothing. > > Best i got is some very short message about softlockup in ipmi, but as > > storage very limited there - it is near useless. > > > > By preliminary testing (can't do it much, as it's production) - it seems > > following lines causing issue, they worked in 4.11.8 and no more in 4.12.3. > > Wild guess here, does this help? > > diff --git a/net/netfilter/nf_conntrack_helper.c > b/net/netfilter/nf_conntrack_helper.c > --- a/net/netfilter/nf_conntrack_helper.c > +++ b/net/netfilter/nf_conntrack_helper.c > @@ -266,6 +266,8 @@ int __nf_ct_try_assign_helper(struct nf_conn *ct, struct > nf_conn *tmpl, > help = nf_ct_helper_ext_add(ct, helper, flags); > if (help == NULL) > return -ENOMEM; > + if (!nf_ct_ext_add(ct, NF_CT_EXT_NAT, flags));
sigh, stupid typo, should be no ';' at the end above.