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Re: [Xen-devel] crash in csched_load_balance after xl vcpu-pin

On Tue, Apr 10, Dario Faggioli wrote:

> On Tue, 2018-04-10 at 17:59 +0200, Olaf Hering wrote:
> > memory=4444
> > vcpus=36
> > cpu="nodes:1,^node:0"
> > cpu_soft="nodes:1,^node:0"
> As said, its cpus= and cpus_soft=, and you probably just need
> cpus="node:1"
> cpus_soft="node:1"
> Or, even just:
> cpus="node:1"
> as, if soft-affinity is set to be equal to hard, it is just ignored.

Well, that was a noop. But xl.cfg states "nodes:0-3,^node:2", so this
should work:

xl create -f fv_sles12sp1.f.tst.cfg
libxl: error: libxl_sched.c:62:libxl__set_vcpuaffinity: Domain 16:Setting vcpu 
affinity: Invalid argument
libxl: error: libxl_dom.c:461:libxl__build_pre: setting affinity failed on vcpu 
libxl: error: libxl_create.c:1265:domcreate_rebuild_done: Domain 16:cannot 
(re-)build domain: -3
libxl: error: libxl_domain.c:1034:libxl__destroy_domid: Domain 16:Non-existant 
libxl: error: libxl_domain.c:993:domain_destroy_callback: Domain 16:Unable to 
destroy guest
libxl: error: libxl_domain.c:920:domain_destroy_cb: Domain 16:Destruction of 
domain failed

Same for nodes:2..., just nodes:1... works.

And after some attempts, cpus="nodes:2/3" fails too.
There is no indication what is invalid.


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