[openib-general] Re: [PATCH] IPoIB splitting CQ, increase both send/recv poll NUM_WC & interval

[Roland Dreier]

 > Retried and rebuilt SMP (32) kernel. Got below error. There is no problem 
 > on 64 kernel on other node. The mthca driver is from SVN 69XX tree.
 > 
 > ib_mthca: Mellanox InfiniBand HCA driver v0.08 (February 14, 2006)
 > ib_mthca: Initializing 0000:05:00.0
 > ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 96 (level, low) -> IRQ 19
 > Device mthca0 is missing mandatory function query_device
 > ib_mthca: probe of 0000:05:00.0 failed with error -22

You have a mismatch between versions of the IB midlayer and the mthca
driver.  I would suggest doing a completely clean build and making
sure that the kernel and all your modules on the target are definitely
up-to-date.

 - R.