[ovs-discuss] Does Open vSwitch support running with RT Libraries compiled in Kernel

Ben Pfaff blp at nicira.com
Thu Nov 12 22:13:52 UTC 2009


"John Galgay" <john at galgay.net> writes:

> The following errors are running through the log [/var/log/messages] ... not
> continuously, but during intermittent periods.
>
> Nov 12 09:43:34 <host> kernel: BUG: using smp_processor_id() in preemptible
> [00000000] code: ovs-vswitchd/20192
> Nov 12 09:43:34 <host> kernel: caller is dp_dev_recv+0x67/0x83
> [openvswitch_mod]

It looks like we need to use get_cpu_var()/put_cpu_var() there
instead of a direct call to per_cpu_ptr().  I've filed a bug
report internally to fix this.




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