11.0 stuck on high network load

[Slawa Olhovchenkov]

On Wed, Sep 14, 2016 at 02:56:57PM -0700, hiren panchasara wrote:

> On 09/15/16 at 12:35P, Slawa Olhovchenkov wrote:
> > On Sun, Sep 04, 2016 at 06:46:12PM -0700, hiren panchasara wrote:
> > 
> > > On 09/05/16 at 12:57P, Slawa Olhovchenkov wrote:
> > > > I am try using 11.0 on Dual E5-2620 (no X2APIC).
> > > > Under high network load and may be addtional conditional system go to
> > > > unresponsible state -- no reaction to network and console (USB IPMI
> > > > emulation). INVARIANTS give to high overhad. Is this exist some way to
> > > > debug this?
> > > 
> > > Can you panic it from console to get to db> to get backtrace and other
> > > info when it goes unresponsive?
> > 
> > ipmi console don't respond (chassis power diag don't react)
> > login on sol console stuck on *tcp.
> 
> Also *tcp means its stuck on lock tcp? if so, that'd be lock on
> V_tcbinfo. I think?
> 
> tcp_subr.c has tcp_init() which calls
> in_pcbinfo_init(&V_tcbinfo, "tcp", &V_tcb, hashsize, hashsize,
>     "tcp_inpcb", tcp_inpcb_init, NULL, 0, IPI_HASHFIELDS_4TUPLE);
> 
> and "tcp" is the name used to initialise the lock inside
> in_pcbinfo_init() with
> INP_INFO_LOCK_INIT(pcbinfo, name); 
> 
> What exact svn rev are you on?

r305117

> Also do you have any local changes?

only kerberos related.
I am using kerberos and NIS.