[openib-general] Re: uDAPL again

[James Lentini]

On Wed, 2 Nov 2005, Aniruddha Bohra wrote:

> James Lentini wrote:
> 
> > On Wed, 2 Nov 2005, Aniruddha Bohra wrote:
> > 
> >  
> > > Hello,
> > >   The following is the log for a request I am sending,
> > > 
> > > The number of IOVs for req is 2. And the iov is shown below :
> > > 
> > > REQ[0] = (0xb5f3f100, 48, 0xca88003b)^M
> > > REQ[1] = (0xb5f3f2b8, 152, 0xca88003b)^M
> > > 
> > > dapl_ep_post_send (0x8087110, 2, 0x808b300, 0xb5f3f6b4, 0)^M
> > > dapl_ep_post_send : LOCALIOV[0] = (0xb5f3f100, 48, 0xca88003b)^M
> > > dapl_ep_post_send : LOCALIOV[1] = (0xb5f3f2b8, 152, 0xca88003b)^M
> > > post_snd: ep 0x8087110 op 2 ck 0x8087374 sgs 2 l_iov 0x808b300 r_iov
> > > 0xbf964290 f 0^M
> > > post_snd: ep 0x8087110 cookie 0x8087374 segs 2 l_iov 0x808b300^M
> > > post_snd_localiov: lkey 0xca88003b va 0xb5f3f100 len 48 ^M
> > > post_snd: lkey 0xca88003b va 0xb5f3f100 len 48 ^M
> > > post_snd_localiov: lkey 0xca88003b va 0xb5f3f2b8 len 152 ^M
> > > post_snd: lkey 0xca88003b va 0xb5f3f2b8 len 152 ^M
> > > post_snd: op 0x2 flags 0x2 sglist 0xbf9641b0, 2^M
> > > post_snd: returned^M
> > > dapl_ep_post_send () returns 0x0^M
> > > dapl_evd_wait (0x8083ca0, -1, 1, 0xbf9642d0, 0xbf9642cc)^M
> > > dapl_evd_wait: EVD 0x8083ca0, CQ 0x8083da0^M
> > > cq_object_wait: CQ channel 0x8081290 time -1^M
> > > cq_object_wait: RET evd 0x8083ca0 ibv_cq 0x8083da0 ibv_ctx (nil) Success^M
> > >        >>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<^M
> > >        dapl_evd_dto_callback : CQE ^M
> > >                work_req_id 134771572^M
> > >                status 12^M
> > >    
> > 
> > Status 12 is IBV_WC_RETRY_EXC_ERR.
> > 
> > Are you sure you can communicate over IB? Do pings over IPoIB work, etc.?
> > 
> >  
> bohra at hora-3 ~]$ ping -b 10.10.10.255
> WARNING: pinging broadcast address
> PING 10.10.10.255 (10.10.10.255) 56(84) bytes of data.
> 64 bytes from 10.10.10.12: icmp_seq=0 ttl=64 time=0.034 ms
> 64 bytes from 10.10.10.13: icmp_seq=0 ttl=64 time=8.98 ms (DUP!)
> 64 bytes from 10.10.10.12: icmp_seq=1 ttl=64 time=0.033 ms
> 64 bytes from 10.10.10.13: icmp_seq=1 ttl=64 time=0.095 ms (DUP!)
> 64 bytes from 10.10.10.12: icmp_seq=2 ttl=64 time=0.025 ms
> 64 bytes from 10.10.10.13: icmp_seq=2 ttl=64 time=0.096 ms (DUP!)
> 
> --- 10.10.10.255 ping statistics ---


I don't see DUPs when I ping the broadcast address. Is it possible 
another machine is configured with the same IP address?

Do you only have the one OpenIB node?

> 3 packets transmitted, 3 received, +3 duplicates, 0% packet loss, time 2020ms
> rtt min/avg/max/mdev = 0.025/1.544/8.986/3.328 ms, pipe 2
> [bohra at hora-3 ~]$ ifconfig ib0
> ib0       Link encap:UNSPEC  HWaddr
> 00-00-04-04-FE-80-00-00-00-00-00-00-00-00-00-00
>          inet addr:10.10.10.12  Bcast:10.255.255.255  Mask:255.255.255.0
>          inet6 addr: fe80::202:c901:81e:7471/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:2044  Metric:1
>          RX packets:4 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:77 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:128
>          RX bytes:308 (308.0 b)  TX bytes:4788 (4.6 KiB)
> 
> My target is the filer, which does not respond to pings (10.10.10.11).
> 
> Aniruddha
>