kern/104406 on 8.0-RELEASE-p2 ?

[Victor Sudakov]

Victor Sudakov wrote:
> > > I seem to have symptoms of kern/104406 on a 8.0-RELEASE-p2 system.
> > > After an uptime of several days, many processes get stuck in the "ufs"
> > > state.  The processes which had already opened some files before the
> > > deadlock continue working all right, e.g. my old login sessions are
> > > functional but I cannot start a new ssh session to the box.
> > >
> > > Can you advise me a workaround?
> > >
> > > The box is being used as a BGP (quagga) router with two full views.
> > > Hardware configuration is below:
> > >
> 
> [dd]
> 
> > 
> > Do you have disable the flowtable options?
> > 
> > # sysctl net.inet.flowtable.enable=0
> > net.inet.flowtable.enable: 1 -> 0
> > 
> >   This feature is default since 8 release, but is not good for bgp full
> > routing.
> 
> It seems to be a different issue, kern/144917 related, but a good idea
> anyway to set net.inet.flowtable.enable=0. Thank you for the reminder. 
> 
> However, my box does not crash or lock up hard, just some processes
> lock up in the "ufs" state and other processes cannot access files.

With net.inet.flowtable.enable=0 the box has been working for a week
already without lockups. Is this flowtable really the cause of the
problem, or is it a coincidence?

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
sip:sudakov at sibptus.tomsk.ru