> We had a script which was looping through the devices returned from ibstat
> and attempted to register a SMI agent on an ethernet device. This caused
> a kernel panic. We have fixed our script. This patch prevents the panic.
Do you remember where the panic was?
I'm going to guess in ib_register_mad_agent() at this line:
mad_agent_priv->agent.mr = ib_get_dma_mr(port_priv->qp_info[qpn].qp->pd,
IB_ACCESS_LOCAL_WRITE);
in which case it may be safer to check for the NULL pointer. Can you confirm
if this was the spot?
- Sean
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