Hi ,
I'm working on the SM group at
Mellanox.
While testing SM-gen2 on a loopback , I've encountered a basic
problem trying to send an SA query (single mad) over osm_vendor
(gen2).
Trying to send the request using osm_vendor_send , passed succesfully
, BUT got from the receiver (umad_recv) an error (in an endless loop ):
"No space left on device". The MAD request was simple GSI - SA request of
ClassPortInfo , here are the details , I've truned on debug mode of vendor_lib
and umad (marked in red the important lines in the log ):
...
Aug 02
03:35:49 [401776C0] -> osm_vendor_send: [
warn: [19219] umad_set_addr_net:
umad 0x80810d0 dlid 1 dqp 1 sl, qkey 0
warn: [19219] umad_dump: agent id 0
status 0 timeout 0
warn: [19219]
umad_addr_dump: qpn 1 qkey 0x80010000 lid 0x1 sl 0
grh_present 0 gid_index 0 hop_limit 0 traffic_class 0 flow_label
0x0
Gid 0x00000000000000000000000000000000
Aug 02 03:35:49 [401776C0]
-> osm_vendor_send: RMPP 0 length 256
warn: [19219] umad_send: portid 0
agentid 0 umad 0x80810d0 timeout 1000
Aug 02 03:35:49 [401776C0] ->
osm_vendor_send: Completed Sending Request p_madw = 0x80807dc.
Aug 02
03:35:49 [401776C0] -> osm_vendor_send: ]
Aug 02 03:35:49 [401776C0] ->
__osmv_send_sa_req: Waiting for async event.
warn: [19219] umad_recv: read returned 356 > sizeof umad 56 +
length 256 (No space left on device)
Aug 02 03:35:49 [40D7EBB0] ->
umad_receiver: recv error No space left on device
warn: [19219] umad_recv:
portid 0 umad 0x8080e28 timeout 4294967295
warn: [19219] umad_recv: read
returned 356 > sizeof umad 56 + length 256 (No space left on
device)
Aug 02 03:35:49 [40D7EBB0] ->
umad_receiver: recv error No space left on device
warn: [19219] umad_recv:
portid 0 umad 0x8080e28 timeout 4294967295
warn: [19219] umad_recv: read
returned 356 > sizeof umad 56 + length 256 (No space left on device)
Aug
02 03:35:49 [40D7EBB0] -> umad_receiver: recv error No space left on
device
warn: [19219] umad_recv: portid 0 umad 0x8080e28 timeout
4294967295
warn: [19219] umad_recv: read returned 356 > sizeof umad 56 +
length 256 (No space left on device)
Aug 02 03:35:49 [40D7EBB0] ->
umad_receiver: recv error No space left on device
...
Thanks , in
advance for your help .
> Liran
Sorani
> Mellanox Technologies LTD.
>
mailto:[EMAIL PROTECTED]
>
Phone: +972(4)9097200 Ext: 214
>
Israel, Yokneam P.O.B 586 ZIP
20692
>
>
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