[openib-general] uDAPL problem

[Todd Bowman]

I am having a problem with uDAPL accessing /dev/infiniband/{uat,ucm0}. I am
running 3549, 2.6.12 kernel with backport. Here is a snippet of the uDAPL
debug messages running dtest. The dat.conf file seems to be correct, the
correclty named providers are being loaded.

26248 Running as server
DAT Registry: dat_ia_openv (OpenIB-ib0,1:2,0) called
DAT Registry: IA OpenIB-ib0, trying to load library
/usr/local/lib/libdapl.so
libuat: Error <-1:6> couldn't open IB at device </dev/infiniband/uat>
libibcm: error <-1:6> opening device </dev/infiniband/ucm0>
DAPL: NOT Setting Loopback
dapl_ib_init:
DAT Registry: dat_registry_add_provider (OpenIB-ib0,1:2,0)
dapl_ia_open (OpenIB-ib0, 8, 0x10019d40, 0x10019cc0)
open_hca: mthca0 - 0x1001fdb0
open_hca: Found dev mthca0 f422000002c90200
open_hca: GID subnet 00000000000080fe id f522000002c90200
ips_by_gid: ERR ips_by_gid -1 Bad file descriptor
open_hca: ERR ib_at_ips_by_gid for mthca0
dapls_ib_open_hca failed 40000
dapl_ia_open () returns 0x40000
26248: Error Adaptor open: DAT_INTERNAL_ERROR
DAT Registry: Stopped (dat_fini)
DAPL: Stopped (dapl_fini)
dapl_ib_release:


I am not running udev but manually create uat and ucm. Here is the list of
/dev/infiniband:

ls -l /dev/infiniband/
total 0
crw-rw-rw- 1 root root 231, 64 Sep 22 15:18 issm0
crw-rw-rw- 1 root root 231, 65 Sep 22 15:18 issm1
crw-rw-rw- 1 root root 231, 254 Sep 22 22:47 uat
crw-rw-rw- 1 root root 231, 255 Sep 20 22:31 ucm
crw-rw-rw- 1 root root 231, 255 Sep 26 20:01 ucm0
crw-rw-rw- 1 root root 231, 0 Sep 22 15:18 umad0
crw-rw-rw- 1 root root 231, 1 Sep 22 15:18 umad1
crw-rw-rw- 1 root root 231, 192 Sep 20 22:30 uverbs0
crw-rw-rw- 1 root root 231, 193 Sep 20 22:30 uverbs1


And the loaded modules:

kdapl_ib 82000 0
kdapl 14888 1 kdapl_ib
ib_uverbs 52064 0
ib_ipoib 65480 0
ib_ucm 32624 0
ib_cm 51944 2 kdapl_ib,ib_ucm
ib_uat 22168 0
ib_at 34840 2 kdapl_ib,ib_uat
ib_sa 25328 2 ib_ipoib,ib_at
ib_mthca 160376 0
ib_mad 61108 3 ib_cm,ib_sa,ib_mthca
ib_core 73888 8
kdapl_ib,ib_uverbs,ib_ipoib,ib_ucm,ib_cm,ib_sa,ib_mthca,ib_mad


I am sure that I am missing something simple. Can someone point me in the
right direction.

Thanks,
Todd
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