On Thu, Apr 23, 2009 at 11:02:40AM +0200, Eric Noulard wrote: > 2009/4/15 Frederik Deweerdt <frederik.dewee...@xprog.eu>: > > > > I did reproduce the problem on x86 full 32 bits... So it's seems that > > the bug has always been present on 0.8.3. It is unclear how it slipped > > through as bb_simu + tsp_bb_provider + tsp_stdout_client is a classic > > test combo. > > > > I didn't take time to dig deeper, but the cause of the problem in > > tsp_data_sender is that dimension is 0, so the encoder correctly > > returns 0. > > Fred I'm taking a look at this and I do not quite understand what you are > talking about? > > Where is the dimension set to 0 ? > The only solution for setting encoding dimension to 0 would be to have > group->items[i].nelem == 0 > > at tsp_data_sender.c:332 > > which is weird? Yes, that's what I got, and it's weird indeed. > There should be some memory corruption leading to that. > If someone gets its hands on reproducing this please valgrind it > in order to have more localized informations. OK, I'll try that. > > However since Olivier said: > >>>> > I have done the test again with 0.8.3 and it appeared that: > - I didn't reproduced this bug with these softs (bb_simu, > tsp_bb_provider, tsp_stdout_client) > >>>> > > I bet the memory corruption is not *always* hapening.... > However since I don't think that the missing bb_lock case for SHADOW_BB > can explain this I did file a reminder bug > https://savannah.nongnu.org/bugs/index.php?26304 Thanks for doing this, I also suspect this hasn't anything to do with the bb_lock thing.
Regards, Frederik > > > -- > Erk > > > _______________________________________________ > Tsp-devel mailing list > Tsp-devel@nongnu.org > http://lists.nongnu.org/mailman/listinfo/tsp-devel > _______________________________________________ Tsp-devel mailing list Tsp-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/tsp-devel
