On Thu, 2010-10-07 at 23:24 -0400, Patrick Finnegan wrote: > I seem to be running into a problem getting a Mellanox Infinihost > Infiniband adapter working on my IBM p550 (a 9113-550). I'm using > Debian squeeze, and tried upgrading to the 2.6.35.7 kernel without any > help. > > I get the following messages in dmesg: > [ 4.972548] ib_mthca: Mellanox InfiniBand HCA driver v1.0 (April 4, > 2008) > [ 4.972564] ib_mthca: Initializing 0000:c1:00.0 > [ 4.972674] ib_mthca 0000:c1:00.0: Missing DCS, aborting.
Ok, so from what I can tell, the driver is unhappy because either BAR 0 hasn't been assigned a memory resource or the size doesn't match what the driver expects. Let's see... > The problem looks the same as a problem I ran into with OpenFirmware on > a Sun V880, which was fixed with this patch by Dave Miller: > http://ns3.spinics.net/lists/linux-rdma/msg01779.html > > I spent some time looking at the equivalent function on powerpc, but > didn't a block of code that looked similar. I don't think we are hitting the same problem. I believe our code in that area differs enough. In your lspci, however, I see: Memory at <unassigned> (64-bit, non-prefetchable) Memory at <unassigned> (64-bit, prefetchable) Which doesn't look good... >From your OF log > Any suggestions? > > I have dmesg, the dev .properties from openfirmware, and lspci -v from > the machine: > > http://ned.rcac.purdue.edu/p550-ib/dmesg > http://ned.rcac.purdue.edu/p550-ib/ib-of-device > http://ned.rcac.purdue.edu/p550-ib/lspci-v > > Pat _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
