[Users] Troubles with ibsim

Tim Miller btmiller at helix.nih.gov
Thu Feb 15 12:50:45 PST 2018


Hi Hal,

Thanks for looking into this. You're indeed correct that I'm using an 
MLNX OFED ibsim (and opensm for that matter). I could try running both 
from a vanilla OpenFabrics release and see if I have any better luck; 
let me go ahead and try that...

Regards,
Tim

On 02/15/2018 03:39 PM, Hal Rosenstock wrote:
> Just checked. MLNX OFED ibsim supports 0xff17 attribute.
>
> On Thu, Feb 15, 2018 at 3:36 PM, Hal Rosenstock 
> <hal.rosenstock at gmail.com <mailto:hal.rosenstock at gmail.com>> wrote:
>
>     Hi Tim,
>
>     Attribute ID 0xff17 is in the vendor specific range for SM
>     attributes and not supported with (at least) the upstream ibsim.
>
>     I think you are using MLNX OpenSM rather than upstream or OFED
>     OpenSM with the upstream ibsim. I'm not sure if MLNX ibsim
>     supports the additional vendor specific SM attributes or not.
>
>     Can you work with some upstream or OFED OpenSM or only MLNX OpenSM
>     ? If not, I try to find out whether using the MLNX OFED ibsim
>     supports the additional attributes for running MLNX OpenSM.
>
>     -- Hal
>
>
>     On Thu, Feb 15, 2018 at 11:50 AM, Tim Miller
>     <btmiller at helix.nih.gov <mailto:btmiller at helix.nih.gov>> wrote:
>
>         I am attempting to use ibsim to test some possible
>         configuration changes in our routing, but I am running into
>         some difficulties. I can get the simulator started, but opensm
>         fails to discover the fabric in the simulated environment. It
>         discovers the switch to which the host running opensm is
>         connected, but it can't discover any further than that. In the
>         opensm log, I see:
>
>         Feb 14 16:31:50 047307 [AD332700] 0x04 -> ni_rcv_process_new:
>         Discovered new Switch node,
>           GUID 0x7cfe900300b49890, TID 0x1239
>         Feb 14 16:31:50 047821 [AD533700] 0x04 -> nd_rcv_process_nd:
>         Node 0x7cfe900300b49890
>           Description = SwitchIB Mellanox Technologies
>         Feb 14 16:31:50 047847 [B5974700] 0x01 -> log_send_error: ERR
>         5411: DR SMP Send completed with error (IB_TIMEOUT) -- dropping
>                                 Method 0x1, Attr 0xFF17, TID 0x123b
>         Feb 14 16:31:50 047866 [B5974700] 0x01 -> Received SMP on a 1
>         hop path: Initial path = 0,1, Return path  = 0,0
>         Feb 14 16:31:50 047893 [B5974700] 0x01 ->
>         sm_mad_ctrl_send_err_cb: ERR 3113: MAD completed in error
>         (IB_TIMEOUT): SubnGet(GeneralInfo), attr_mod 0x4, TID 0x123b
>         Feb 14 16:31:50 047913 [B5974700] 0x04 -> osm_hm_set_by_physp:
>         Remote port of 0x7cfe900300b49890[0] couldn't be found
>         Feb 14 16:31:50 047921 [B5974700] 0x01 ->
>         sm_mad_ctrl_send_err_cb: ERR 3120: Timeout while getting
>         attribute 0xFF17 (GeneralInfo); Possible mis-set mkey?
>         Feb 14 16:31:50 047927 [B5974700] 0x01 ->
>         sm_mad_ctrl_send_err_cb: Error during initialization: got
>         General Info time out from node 0x7cfe900300b49890
>
>         And in the simulator console, I see messages of the form.
>
>         ibwarn: [32331] process_packet: no one to handle pkt: class
>         0x81, attr 0xff17
>
>         Looking at the output of the "dump" command from within the
>         console, it shows that all ports are in Init/LinkUp, except
>         for the SMA port, which is in state Active/LinkUp.
>
>         Does anyone have any idea what I might be doing wrong here?
>
>         Thanks,
>         Tim
>
>         -- 
>         Tim Miller
>         NIH HPC systems staff
>         301-827-5261 <tel:301-827-5261>
>         https://hpc.nih.gov
>
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>
>
>

-- 
Tim Miller
NIH HPC systems staff
301-827-5261
https://hpc.nih.gov




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