[Stgt-devel] Unable to open RDMA device

[Cameron Harr]

By "this list might be faster," I mean I'm not writing when he's 
supposed to be sleeping. Also, I only seem to get the problem when doing 
a "/etc/init.d/tgtd restart" so perhaps this isn't my main problem?

Also, relevant IB modules are:
ib_iser                62584  0
libiscsi               58368  1 ib_iser
scsi_transport_iscsi    63248  2 ib_iser,libiscsi
ib_sdp                125020  0
rdma_cm                67348  3 rdma_ucm,ib_iser,ib_sdp
ib_addr                41992  1 rdma_cm
ib_ipoib              112480  0
ib_cm                  67368  2 rdma_cm,ib_ipoib
ib_sa                  74632  3 rdma_cm,ib_ipoib,ib_cm
ib_uverbs              75568  1 rdma_ucm
ib_umad                50728  0
ib_ipath              334796  0
mlx4_ib                96060  0
mlx4_core             109120  1 mlx4_ib
ib_mthca              159172  0
ib_mad                 70948  5 ib_cm,ib_sa,ib_umad,mlx4_ib,ib_mthca
ib_core                97664  15 
rdma_ucm,ib_iser,ib_sdp,rdma_cm,iw_cm,ib_ipoib,ib_cm,ib_sa,ib_uverbs,ib_umad,iw_cxgb3,ib_ipath,mlx4_ib,ib_mthca,ib_mad
ipv6                  411425  41 ib_ipoib
libata                160849  1 ata_piix
scsi_mod              186361  6 
ib_iser,libiscsi,scsi_transport_iscsi,sg,libata,sd_mod


Cameron Harr wrote:
> Hi,
> I'm trying to get iSer going, but my transport always seems to be 
> stuck at tcp and I'm not getting the performance I want (sgp_dd, other 
> stuff). I was getting some help from Eric Z. but figure this list 
> might be a little faster. FWIW, I currently have the 
> scsi-target-utils-0.2-20071227_1 rpm installed.
>
> In trying to get down at my problem, I've looked at a few things, and 
> I just noticed that when I try to restart tgtd, I get the following:
>
> Starting SCSI target daemon: CMA: unable to open RDMA device  OK  ]
> /bin/bash: line 1: 31787 Segmentation fault      tgtd
>                                                           [FAILED]
>
> and then just a single line in messages:
>
> Apr 29 14:41:40 test05 kernel: tgtd[31787]: segfault at 
> 000000000000010c rip 00000032dfc06be2 rsp 00007fff4b7d2930 error 4
>
> I couldn't see anything in the archives about CMA. Any suggestions?
> Thanks,
> Cameron
>