Re: [Xen-devel] remus error

[Brendan Cully <brendan@xxxxxxxxx>]

On Thursday, 04 March 2010 at 02:16, Ashish Bijlani wrote:
> "tc qdisc" works fine I guess:
> 
> qdisc pfifo_fast 0: dev peth0 root bands 3 priomap  1 2 2 2 1 2 0 0 1
> 1 1 1 1 1 1 1
> qdisc pfifo_fast 0: dev imq0 root bands 3 priomap  1 2 2 2 1 2 0 0 1 1
> 1 1 1 1 1 1
> qdisc pfifo_fast 0: dev vif3.0 root bands 3 priomap  1 2 2 2 1 2 0 0 1
> 1 1 1 1 1 1 1
> 
> what could be missing?

Hmm, and sch_queue and ebt_imq are loaded? Can you run
$ tc qdisc add dev vif3.0 root queue
?

Do you have ebt: filter table support built? How about the netfilter
netlink interface?

I haven't actually tried recent pvops myself. With luck I'll get some
time tomorrow to do so.

> Thanks,
> Ashish
> 
> On Thu, Mar 4, 2010 at 2:09 AM, Brendan Cully <brendan@xxxxxxxxx> wrote:
> > Sounds like your kernel is missing netlink support. I don't remember
> > the exact config option required, but if 'tc qdisc' (from the iproute
> > package) works, that probably means you've enabled the right
> > option. As I think I mentioned before, turning on something like Token
> > Bucket Filter ought to drag in the necessary dependencies.
> >
> > On Thursday, 04 March 2010 at 01:50, Ashish Bijlani wrote:
> >> I'd to modify remus sch_queue ebt_imq kmod to work with pvops (2.6.31.6)
> >>
> >> Now, I'm getting a different error with "remus -i 100 PVM 192.168.1.5"
> >>
> >> PROF: suspending at 1267684430.539464
> >> installing buffer on imq0
> >> RTNETLINK answers: No such file or directory
> >> ERROR Internal error: Suspend request failed
> >> ERROR Internal error: Domain appears not to have suspended
> >> Save exit rc=1
> >> Traceback (most recent call last):
> >>   File "/usr/bin/remus", line 359, in <module>
> >>     run(cfg)
> >>   File "/usr/bin/remus", line 340, in run
> >>     for buf in bufs:
> >>   File "/usr/bin/remus", line 277, in postsuspend
> >>     buf.postsuspend()
> >>   File "/usr/bin/remus", line 159, in postsuspend
> >>     self._setup()
> >>   File "/usr/bin/remus", line 185, in _setup
> >>     self.rth.talk(req.pack())
> >>   File "/usr/local/lib/python2.6/dist-packages/xen/remus/netlink.py",
> >> line 314, in talk
> >>     self._rth.talk(req)
> >> IOError: error sending message
> >>
> >>
> >> "remus --no-net PVM 192.168.1.5" works and imq0 exists, I don't know
> >> what is missing...any inputs?
> >>
> >> Thanks,
> >> Ashish
> >>
> >> On Sun, Feb 28, 2010 at 12:47 AM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> 
> >> wrote:
> >> > On 02/27/2010 07:54 PM, Ashish Bijlani wrote:
> >> >>
> >> >> I fail to use remus with xen-unstable (4.0.0-rc4)+ Linux-2.6-pvops:
> >> >>
> >> >> # sudo remus -i 100 PVM 192.168.1.3
> >> >> modprobe sch_queue
> >> >> FATAL: Module sch_queue not found.
> >> >>
> >> >
> >> > As far as I know, there hasn't been enough work done to make remus work 
> >> > with
> >> > pvops kernels yet.
> >> >
> >> >    J
> >> >
> >>
> >
> 
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