CURRENT slow and shaky network stability

O. Hartmann ohartman at zedat.fu-berlin.de
Sat Mar 26 17:00:27 UTC 2016


Am Fri, 25 Mar 2016 13:31:31 -0700
"K. Macy" <kmacy at freebsd.org> schrieb:

> Does this pre or postage input changes?

???

First of all, and the most visible fact is, that the ssh connection with high terminal
i/o (compiling world, poudriere bulk ...) receives very often broken pipe. The "native"
console of the systems (non UEFI, but drm2/i915kms loaded, iGPU of IvyBridge XEON) in
question is like "glue" - responding time shifted. This is on all CURRENT systems.
 
> 
> On Friday, March 25, 2016, O. Hartmann <ohartman at zedat.fu-berlin.de> wrote:
> 
> > Since a couple of days now, FreeBSD CURRENT (at the moment with FreeBSD
> > 11.0-CURRENT #9
> > r297267: Fri Mar 25 09:48:07 CET 2016 amd64) "feels" a kind of shaky and
> > like "glue": it
> > is slow with X11, sometimes ssh connections even nearby hosts on the same
> > net not under
> > load have some time to respond to keys in xterm or on console (vt()) ~ 1 -
> > 3 seconds and
> > I receive very often "broken pipe" to ssh connections to a host nearby. I
> > realized this
> > strange behaviour on a couple of systems a maintain running most recent
> > CURRENT.
> >
> > I also realize a high usage of swap on a 8GB RAM, 2 core box having two
> > ZFS volumes (one
> > 3TB HD and one 4 TB HAD with ZFS). Using Firefox on X11 (nVidia
> > 364.12/355.11 driver, I
> > checked on both) and running desktop only (windowmaker) brings the system
> > toward using 12
> > or sometimes several hundreds of megabytes of swap - and I do not see what
> > is using so
> > much space.
> >
> > Does anyone also realize  this phenomenon?
> >
> > Regards,
> >
> > oh
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