[openib-general] ib_mthca "NOP command failed to generate interrupt (IRQ 169), aborting."

[Michael S. Tsirkin]

Quoting r. Roland Dreier <rdreier at cisco.com>:
> Michael, the situation here is that Arbel with FW 4.6.0 (I know it's
> old) fails with the latest mthca because the NOP test doesn't generate
> an event.  However, disabling fw_cmd_doorbell makes it work again.
> Do you know if this is a FW issue?

I've been trying to figure this out. According to the documentation,
FW should be reporting whether it supports command through doorbells.
I'll keep looking into it tomorrow.

-- 
Michael S. Tsirkin
Staff Engineer, Mellanox Technologies