[openib-general] Re: ib_uat kernel panic without async callback

Hal Rosenstock halr at voltaire.com
Tue Jul 12 16:46:04 PDT 2005


On Tue, 2005-07-12 at 19:35, Arlin Davis wrote:
> Ok, I now have uDAPL (dtest) up running with IB_CM and AT. :-)

Woohoo :-) Is this with a async callback or without one ?

> I occassionally see the ib_at_route_by_ip() return a 1 but the ib_route 
> data is not written out when returned but my separate at_thread that is 
> waiting on a  ib_at_callback_get_timed(-1) seems to pick up the correct 
> data.
> 
> Here is my output from uDAPL.
> 
> dapl_ep_connect (0x516c60, {4294967232.4294967208.0.20}, 115D3, 5000000, 
> 0, (nil), 0, 0)
>  connect: r_SID 71123, pdata (nil), plen 0
>  connect: conn 0x51a200, cm_id 4
>  connect: at_route ret=1,Success req_id 0
>  rt_comp_handler: conn 0x51a200, req_id 0 rec_num 1
>  rt_comp_handler: SRC GID subnet 0000000000000000 id 0000000000000000
>  rt_comp_handler: DST GID subnet 0000000000000000 id 0000000000000000
>  dapl_ep_connect () returns 0x0
> 
> 3848 Waiting for connect response
> dapl_evd_wait (0x5161d0, -1, 1, 0x7ffffffff710, 0x7ffffffff6cc)
> dapl_evd_wait: EVD 0x5161d0, CQ (nil), Timeout -1, Threshold 1
> 
> Output from at_thread doing the
>  rt_comp_handler: conn 0x51a200, req_id 0 rec_num 1
>  rt_comp_handler: SRC GID subnet 00000000000080fe id 9d40000002c90200
>  rt_comp_handler: DST GID subnet 00000000000080fe id 7140000002c90200
>  at_thread: callback woke
>  path_comp_handler: ctxt 0x51a200, req_id 4 rec_num 1
> ...

I look at this and get back as soon as I have something.

-- Hal




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