[l4ankh] Problems with fixed l4ankh

[Adam Lackorzynski]

On Thu May 31, 2012 at 21:10:34 +0400, Timur wrote:
> On 29 мая 2012 22:24:32 Adam Lackorzynski wrote:
> > Hi,
> > 
> > On Tue May 22, 2012 at 21:16:39 +0400, Timur wrote:
> > > I had fixed the l4ankh driver and after that it started to work properly.
> > > Now only thread is used to receive packets. In lines 158-162 we clear the
> > > rcv buffer: that is necessary to be done as after opening a session we
> > > start to receive packets that should not be served; otherwise the
> > > response time will be quite slow. This is not the best solution, but I do
> > > not have time to make it better.
> > 
> > It's polling now, right?
> > 
> > > Now I face the following problem: the driver in ankh (I use 8139cp) stops
> > > receiving packets after some time (for me it is usually 3-4 minutes). This
> > > situation occurs when  the interrupt handler was called and the device
> > > register IntrStatus already equals "zero". An interrupt doesn't work after
> > > that.
> > 
> > Hm, just some quite generic hint, when you poll in this situation, are
> > there any packets?
> > 
> > 
> > 
> > 
> > Adam
> 1) yes
> 2) at some moment (for me it's ~120 pings) i receive this message: 
> 
> ankh    | <6>NETDEV WATCHDOG: eth0 (8139cp): transmit timed out
> ankh    | WARN():/l4re-
> snapshot-2011081207/src/l4/pkg/dde/linux26/lib/src/net/sched/sch_generic.c:230<4>eth0: 
> Transmit timeout, status  d   2b   15 80ff
> 
> and after that tcpdump shows that no packets passes through the device

Just guessing but no interrupts coming anymore? I'd dig in that
direction.


Adam
-- 
Adam                 adam at os.inf.tu-dresden.de
  Lackorzynski         http://os.inf.tu-dresden.de/~adam/