[openib-general] Re: kdapltest works again!, still having slab corruption

[James Lentini]

Shahar,

The slab corruption message below seems to involve IBAT's 
req_comp_work function. Any ideas?

james

On Sat, 7 May 2005, Tom Duffy wrote:

> On Sat, 2005-05-07 at 01:54 -0400, Hal Rosenstock wrote:
>> Is the client connecting to a server which is present or not ?
>
> Yes, the client *is* connecting to the server.  Here is the full client
> side transaction:
>
> [root at sins-stinger-10 ~]# ./kdapltest -T Q -s 192.168.0.26 -D mthca0a -d
> Server Name: 192.168.0.26
> Server Net Address: 192.168.0.26
> DT_cs_Client: Starting Test ...
> DT_cs_Client: IA mthca0a opened
> DT_cs_Client: EP created
> *****  DAPL  Characteristics  *****
> Provider: mthca0a  Version 1.0  DAPL 1.2
> Adapter: Generic InfiniBand HCA by DAPL Reference Implementation Version 0.0
> Supporting:
>        64512 EPs with 65535 DTOs and 0 in RDMA/RDs and 0ut RDMA/RDs each
>        65408 EVDs of up to 65535 entries  (default S/R size is 16/16)
>        IOVs of up to 28 elements
>        131056 LMRs (and 131056 RMRs) of up to 0xffffffffffffffff bytes
>        Maximum MTU 0x80000000 bytes, RDMA 0x80000000 bytes
>        Maximum Private data size 92 bytes
> ***** ***** ***** ***** ***** *****
> DT_cs_Client: Posting 1 recv buffer
> DT_cs_Client: Connect Endpoint
> DT_cs_Client: Await connection ...
> DT_cs_Client: Connected!
> DAT_STATE: DAT_EP_STATE_CONNECTED
> DAT_STATE: Inbound DTO Status: Active
> DAT_STATE: Outbound DTO Status: Idle
> DT_cs_Client: Sending Client_Info
> DT_cs_Client: Sent Client_Info - awaiting completion
> DT_cs_Client: Sending Command
> DT_cs_Client: Sent Command - awaiting completion
> DT_cs_Client: Waiting for Server_Info
> DT_cs_Client: Server_Info Received
> DT_cs_Client: Version OK!
> -------------------------------------
> Server_Info.dapltest_version   : 6
> Server_Info.is_little_endian   : 1
> -------------------------------------
> Client_Info.dapltest_version   : 6
> Client_Info.is_little_endian   : 1
> Client_Info.test_type          : 4
> Quit_Cmd.server_name: 192.168.0.26
> Quit_Cmd.device_name: mthca0a
> DT_cs_Client: Cleaning Up ...
> DT_cs_Client: IA mthca0a closed
> TEST INSTANCE 0
> TEST return code = 0
> [root at sins-stinger-10 ~]# Slab corruption: start=ffff81003b2eddb0, len=288
> Redzone: 0x5a2cf071/0x5a2cf071.
> Last user: [<ffffffff8829f264>](req_comp_work+0x54/0x90 [ib_at])
> 040: 00 00 00 00 00 00 00 00 6b 6b 6b 6b 6b 6b 6b 6b
> 110: 00 00 00 00 00 00 00 00 6b 6b 6b 6b 6b 6b 6b a5
> Prev obj: start=ffff81003b2edc78, len=288
> Redzone: 0x5a2cf071/0x5a2cf071.
> Last user: [<0000000000000000>](stext+0x7feff0e8/0xe8)
> 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> Slab corruption: start=ffff81003a026eb8, len=312
> Redzone: 0x5a2cf071/0x5a2cf071.
> Last user: [<ffffffff8829f252>](req_comp_work+0x42/0x90 [ib_at])
> 050: 6b 6b 6b 6b 6b 6b 6b 6b 00 00 00 00 00 00 00 00
> 120: 6b 6b 6b 6b 6b 6b 6b 6b 00 00 00 00 00 00 00 00
> Prev obj: start=ffff81003a026d68, len=312
> Redzone: 0x5a2cf071/0x5a2cf071.
> Last user: [<0000000000000000>](stext+0x7feff0e8/0xe8)
> 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
>
>
>