[Lustre-discuss] Lustre 1.4.6.3 + OFED 1.2.5.5: Error loading ko2iblnd

Kumaran Rajaram krajaram at sgi.com
Tue May 6 16:11:45 PDT 2008


Hi,

My cluster configuration is as follows:

Hardware Config: x86_64
Software Config: SLES10.1, 
                 2.6.16.46-0.12-lustre (Stock SP1 Kernel + Lustre
patches), 
                 OFEDv1.2.5.5, 
                 Lustre-1.6.4.3
Status: Lustre + TCP builds and loads fine
        Lustre + o2ib builds but "ko2iblnd" does not load :-(

Applied the Bugzilla patch 12276 to get Lustre compiled with
OFEDv1.2.5.5.  Configured as follows (see config.out attached):

./configure --with-linux=/usr/src/linux
--with-o2ib=/usr/src/ofa_kernel-1.2.5.5 

Get the following warnings when building the RPMs:
-----------------
WARNING:
"rdma_accept" [/usr/src/packages/BUILD/lustre-1.6.4.3/lnet/klnds/o2iblnd/ko2iblnd.ko] undefined!
WARNING:
"rdma_destroy_id" [/usr/src/packages/BUILD/lustre-1.6.4.3/lnet/klnds/o2iblnd/ko2iblnd.ko] undefined!
WARNING:
"rdma_connect" [/usr/src/packages/BUILD/lustre-1.6.4.3/lnet/klnds/o2iblnd/ko2iblnd.ko] undefined!
-----------------

I get the following error when I try to load ko2iblnd.ko (modprobe). 
-----------------
May  6 16:42:47 storagehost kernel: ko2iblnd: disagrees about version of
symbol ib_create_cq
May  6 16:42:47 storagehost kernel: ko2iblnd: Unknown symbol
ib_create_cq
May  6 16:42:47 storagehost kernel: ko2iblnd: disagrees about version of
symbol ib_dereg_mr
May  6 16:42:47 storagehost kernel: ko2iblnd: Unknown symbol ib_dereg_mr
May  6 16:42:47 storagehost kernel: ko2iblnd: disagrees about version of
symbol ib_destroy_cq
May  6 16:42:47 storagehost kernel: ko2iblnd: Unknown symbol
ib_destroy_cq
May  6 16:42:47 storagehost kernel: ko2iblnd: disagrees about version of
symbol ib_get_dma_mr
----------------

In addition to the IB source, made the following symbolic links  
i) /usr/src/linux/drivers/infiniband to /usr/src/ofa_kernel-1.2.5.5
ii) /usr/src/linux/include/rdma
to /usr/src/ofa_kernel-1.2.5.5/include/rdma
iii) /usr/include/infiniband/verbs.h is from OFED-1.2.5.5

storagehost[3] root~$ modinfo ib_core
filename:       /lib/modules/2.6.16.46-0.12-lustre/updates/kernel/drivers/infiniband/core/ib_core.ko
license:        Dual BSD/GPL
description:    core kernel InfiniBand API
author:         Roland Dreier
srcversion:     4429863EA75C0750E651039
depends:        
vermagic:       2.6.16.46-0.12-lustre SMP gcc-4.1

storagehost[5]
root/lib/modules/2.6.16.46-0.12-lustre/updates/kernel/drivers/infiniband/core$ nm ib_core.ko | grep ib_create_cq
0000000066d8cf93 A __crc_ib_create_cq
0000000055140081 A __crc_ib_create_cq_mod
0000000000000c61 T ib_create_cq
0000000000000cb7 T ib_create_cq_mod
00000000000000a0 r __kcrctab_ib_create_cq
0000000000000098 r __kcrctab_ib_create_cq_mod
0000000000000161 r __kstrtab_ib_create_cq
0000000000000150 r __kstrtab_ib_create_cq_mod
0000000000000140 r __ksymtab_ib_create_cq
0000000000000130 r __ksymtab_ib_create_cq_mod

Any ideas to what I may be doing wrong to get the ko2iblnd.ko loaded
properly?

Thanks in Advance,
-Kums
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configure: configuring in libsysio
configure: running /bin/sh './configure' --prefix=/usr  '--with-linux=/usr/src/linux' '--with-o2ib=/usr/src/ofa_kernel-1.2.5.5' --with-lustre-hack --with-sockets --cache-file=/dev/null --srcdir=.
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checking if Linux was built with CONFIG_MODULES... yes
checking if Linux was built with CONFIG_MODVERSIONS... yes
checking if Linux was built with CONFIG_PREEMPT... no
checking if Linux was built with CONFIG_KALLSYMS... yes
checking if Linux was built with CONFIG_KMOD... yes
checking for /usr/src/linux/scripts/mod/modpost... yes
checking if modpost can be run... yes
checking if modpost supports -m... yes
checking whether to enable quilt for making ldiskfs... yes
checking for patch... /usr/bin/patch
checking for quilt... /usr/bin/quilt
checking which ldiskfs series to use... 2.6-sles10.series
checking if Linux was built with symbol d_rehash_cond is exported... yes
checking if Linux was built with symbol __d_rehash is exported... no
checking if Linux was built with symbol d_move_locked is exported... no
checking if Linux was built with symbol __d_move is exported... yes
configure: creating ./config.status
config.status: creating Makefile
config.status: creating autoMakefile
config.status: creating Rules
config.status: creating lustre-ldiskfs.spec
config.status: creating ldiskfs/autoMakefile
config.status: creating ldiskfs/Makefile
config.status: creating config.h
config.status: config.h is unchanged
config.status: executing depfiles commands

CC:            gcc -m64
LD:            
CPPFLAGS:      -include $(top_builddir)/config.h -I$(top_builddir)/lnet/include -I$(top_srcdir)/lnet/include -I$(top_builddir)/lustre/include -I$(top_srcdir)/lustre/include 
LLCPPFLAGS:    -D__arch_lib__ -D_LARGEFILE64_SOURCE=1
CFLAGS:        -g -O2
EXTRA_KCFLAGS: -include /usr/src/lustre-1.6.4.3/config.h  -g -I/usr/src/lustre-1.6.4.3/lnet/include -I/usr/src/lustre-1.6.4.3/lustre/include
LLCFLAGS:      -g -Wall -fPIC

Type 'make' to build Lustre.


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