The problem solved following your advice. Thanks a ton!!
On Mon, Feb 16, 2009 at 6:19 AM, Tziporet Koren <[email protected]> wrote: > neutron wrote: >> >> Hi all, >> >> I'm writing a kernel module that make use of basic IB verbs to >> communicate, like: >> ib_register_client, ib_unregister_client, ib_alloc_pd, >> ib_create_qp, ib_reg_phys_mr, etc. >> >> I can compile the code into a kernel module: ib_rdma_lat.ko. This >> module is to test the RDMA write latency from kernel module. >> >> But when I "insmod", I got error reports at /var/log/messages: >> >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: disagrees about version of >> symbol ib_unregister_client >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: Unknown symbol >> ib_unregister_client >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: disagrees about version of >> symbol ib_create_cq >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: Unknown symbol ib_create_cq >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: disagrees about version of >> symbol ib_reg_phys_mr >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: Unknown symbol ib_reg_phys_mr >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: disagrees about version of >> symbol ib_dereg_mr >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: Unknown symbol ib_dereg_mr >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: disagrees about version of >> symbol ib_register_client >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: Unknown symbol >> ib_register_client >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: disagrees about version of >> symbol ib_destroy_cq >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: Unknown symbol ib_destroy_cq >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: disagrees about version of >> symbol ib_query_port >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: Unknown symbol ib_query_port >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: disagrees about version of >> symbol ib_alloc_pd >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: Unknown symbol ib_alloc_pd >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: disagrees about version of >> symbol ib_create_qp >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: Unknown symbol ib_create_qp >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: disagrees about version of >> symbol ib_modify_qp >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: Unknown symbol ib_modify_qp >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: disagrees about version of >> symbol ib_destroy_qp >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: Unknown symbol ib_destroy_qp >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: disagrees about version of >> symbol ib_dealloc_pd >> Feb 15 16:33:28 wci11 kernel: ib_rdma_lat: Unknown symbol ib_dealloc_pd >> >> I'm running rhel5. I have rebooted the node many times but didn't >> help at all. >> >> > > From OFED_tips: > 4. External Module Compilation Over OFED-1.4 > =============================================================================== > > To build kernel modules depending on OFED's modules, take the > Modules.symvers > file from <prefix>/src/openib/Module.symvers (part of the kernel-ib-devel > RPM) > and copy it to the modules subdir and then compile your module. > > If <prefix>/src/openib/Module.symvers does not exist or it is empty, use the > create_Module.symvers.sh (a part of the ofed-docs RPM) script to create the > Module.symvers file. > > See "Module versioning & Module.symvers" in the modules.txt from kernel > documentation (e.g. linux-2.6.20/Documentation/kbuild/modules.txt). > > > Tziporet > > _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
