[openib-general] ping problem with ammasso cards(iWARPinterface)

[Steve Wise]

Did you regenerate libamso too?  I had even worse garbage in libamso
(Makefile, for instance, was checked in). :-(




On Mon, 2006-07-10 at 15:18 -0700, Ravinandan Arakali wrote:
> I regenerated librdma after removing config.h and config.h.in but still
> see the rping crash.
> 
> Ravi
> 
> -----Original Message-----
> From: Steve Wise [mailto:swise at opengridcomputing.com]
> Sent: Monday, July 10, 2006 1:40 PM
> To: Ravinandan Arakali
> Cc: bpradip at in.ibm.com; openib-general at openib.org
> Subject: Re: [openib-general] ping problem with ammasso
> cards(iWARPinterface)
> 
> 
> Hey guys,
> 
> I lost this thread for a day due to a mailer problem, but I just noticed
> something screwy with the iwarp branch.  I accidentally checked in
> config.h and config.h.in for librdma.
> 
> I'm wondering if that's causing problems?
> 
> maybe nuke those files, redo autogen/configure/make/make install and see
> if that helps?
> 
> 
> Steve.
> 
> 
> 
> On Fri, 2006-07-07 at 15:21 -0700, Ravinandan Arakali wrote:
> > Pradipta,
> > Following is the output from gdb after core dump. I have also copy-pasted
> > the gdb output on client system.
> >
> > Attached is the dmesg output when krping test is run in verbose mode.
> > The ping data on the sender(client) seems okay. The content is shifted
> > forward by one character for each packet. On receiver, after receiving
> ping
> > pkt 9, it seems to jump to pkt no. 1935. Not sure if it's because messages
> > can be lost during writing to /var/log/messages ?
> >
> > -----------------------------------------
> > (gdb) run -s -vV -C100 -d -a 0.0.0.0 -p 9999
> > Starting program:
> > /tmp/ib/src/userspace/librdmacm/examples/.libs/rping -s -vV -C100 -d -a
> > 0.0.0.0 -p 9999
> > [Thread debugging using libthread_db enabled]
> > [New Thread -1210054992 (LWP 3668)]
> > ipaddr (0.0.0.0)
> > port 9999
> > created cm_id 0x804e6e0
> > [New Thread -1210057824 (LWP 3671)]
> > rdma_bind_addr successful
> > rdma_listen
> > cma_event type 4 cma_id 0x804e968 (child)
> > child cma 0x804e968
> >
> > Program received signal SIGSEGV, Segmentation fault.
> > [Switching to Thread -1210054992 (LWP 3668)]
> > rping_setup_qp (cb=0x0, cm_id=0x804e968) at examples/rping.c:514
> > 514             cb->pd = ibv_alloc_pd(cm_id->verbs);
> > (gdb) bt
> > #0  rping_setup_qp (cb=0x0, cm_id=0x804e968) at examples/rping.c:514
> > #1  0x0804a716 in main (argc=9, argv=Cannot access memory at address 0x6
> > ) at examples/rping.c:767
> > (gdb)
> >
> > ---------------------------------
> > (gdb) run -c -vV -C100 -d  -a 17.2.2.102 -p 9999
> > Starting program:
> > /tmp/ib/src/userspace/librdmacm/examples/.libs/rping -c -vV -C100 -d  -a
> > 17.2.2.102 -p 9999
> > [Thread debugging using libthread_db enabled]
> > [New Thread 47388824908032 (LWP 4620)]
> > ipaddr (17.2.2.102)
> > port 9999
> > created cm_id 0x506b00
> > [New Thread 1082132800 (LWP 4623)]
> > cma_event type 0 cma_id 0x506b00 (parent)
> > cma_event type 2 cma_id 0x506b00 (parent)
> > rdma_resolve_addr - rdma_resolve_route successful
> > created pd 0x506e60
> > created channel 0x506e80
> > created cq 0x506ea0
> > created qp 0x506f40
> > rping_setup_buffers called on cb 0x505010
> > allocated & registered buffers...
> > [New Thread 1090525504 (LWP 4624)]
> > cq_thread started.
> >
> >
> > -----Original Message-----
> > From: Pradipta Kumar Banerjee [mailto:bpradip at in.ibm.com]
> > Sent: Friday, July 07, 2006 1:29 PM
> > To: Ravinandan Arakali
> > Cc: bpradip at in.ibm.com; openib-general at openib.org
> > Subject: Re: [openib-general] ping problem with ammasso cards(iWARP
> > interface)
> >
> >
> > Ravinandan Arakali wrote:
> > > Attached are the outputs when rping and krping are run.
> > > The dmesg output when krping is run is quite verbose.
> > > Hopefully, you can throw some light by looking at it.
> > > The rping server core dumped as soon as the client was run.
> >
> > Ravi,
> >   Use the following for krping. You will be able to see the ping data
> using
> > dmesg.
> >
> > echo "server,port=9999,addr=17.2.2.102,validate,verbose" > /proc/krping
> > echo "client,port=9999,addr=17.2.2.102,validate,verbose" > /proc/krping
> >
> > As for the rping, can u run rping under gdb (gdb
> > librdmacm/example/.libs/rping)
> > and send the backtrace on segfault.
> >
> > Thanks,
> > Pradipta
> > >
> > > Thanks,
> > > Ravi
> > >
> > >
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