On Thu, 18 May 2006, Di Domenico, Michael wrote:
I'm certainly no expert, but I came across different but similar issues,
where my applications where picking up another set of libraries, that I
wasn't aware were on the system... I was getting the same 'undefined
symbols' errors. You might want to check for ib libs that might be in
your path.
Hi Michael,
Thanks to Bryan, Jack, and yourself for responding. I suspect it is a
library issue, but I'm having some trouble tracking down the exact source
of the problem. The first odd thing that doing an nm of
/usr/local/lib/infiniband/ipathverbs.so shows ibv_cmd_poll_cq is indeed
undefined (the symbol is defined in libibverbs.so). Here's the ldd output
for ipathverbs.so:
[EMAIL PROTECTED]:/usr/local/lib 165$ ldd infiniband/ipathverbs.so
libc.so.6 => /lib64/tls/libc.so.6 (0x00002b01d0d00000)
/lib64/ld-linux-x86-64.so.2 (0x0000555555554000)
Oddly, it doesn't seem to depend on libibverbs. Is that normal? If not, I
must be doing something wrong in building the libraries. I tried
uninstalling all the userspace stuff (via make uninstall) and
reconfiguring/remaking after a make clean in the source dir. I built, in
order, libibverbs, libipathvers, and libmthca. Is that the correct way to
do things (it's what I got from the quickstart Wiki entry)?
FWIW, this is on SuSE 9.3 with kernel 2.6.16.16 custom compiled, but this
seems to be entirely an issue with the userspace libs. For completeness,
here is the ldd output for libibverbs:
[EMAIL PROTECTED]:/usr/local/lib 166$ ldd libibverbs.so
libsysfs.so.1 => /lib64/libsysfs.so.1 (0x00002ac94dbd4000)
libpthread.so.0 => /lib64/tls/libpthread.so.0 (0x00002ac94dce0000)
libdl.so.2 => /lib64/libdl.so.2 (0x00002ac94ddf5000)
libc.so.6 => /lib64/tls/libc.so.6 (0x00002ac94def9000)
/lib64/ld-linux-x86-64.so.2 (0x0000555555554000)
The nm output is pretty long, but let me know if you want to see it too.
Thanks,
Tim
--
Tim Miller
System Administrator -- Laboratory of Computational Biology
National Institutes of Health -- Bldg. 50 Rm. 3309 -- 301-402-0618
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