Creation of carp interface on amd64 spins

[Max Laier]

On Thursday 20 September 2007, Christopher Chen wrote:
> Hi:
>
> I'm running 6.2-RELEASE on some Pentium D's running and amd64 port.
>
> I'm doing some mildly interesting things with vlan tagging, etc, and I
> want to also set up carp. On identical machines running the i386 port,
> this works correctly, but when running
>
> ifconfig carp0
>
> For instance, the process just spins and can't be killed. The rest of
> the machine is fine, though!
>
> This is 6.2-RELEASE/amd64 running in SMP mode.
>
> Any ideas?

Can you tell me what "^T" or ps gives for the spinning process?  Does it 
hang in userland or kernel?  Can you try to trace the ifconfig, or - if 
the hang is in the kernel - break into the kernel debugger and get a back 
trace for the process?

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