On 09/10/2014 16:06, Sebastien Ponce wrote: > Finally this should be fixed. > Loic, could you retry with the new state of my branch and confirm ? Hi Sebastien, I commented on the pull request and scheduled a run in the gitbuilder. Cheers > > Sebastien > > On Wed, 2014-10-08 at 10:00 +0200, Sebastien Ponce wrote: >> It vanished again.... >> I've spent quite some time analysing the helgrind output to try to find >> it, but so far I got nothing but problems outside this part (BTW, it >> would be interesting to run tests systematically in helgrind, even if >> there is a lot of false positive). >> Now I've just seen the backtrace you've sent and this already helps a >> lot; I did not even have a backtrace so far. >> In conclusion, still ongoing.... >> >> Sebastien >> >> >> On Wed, 2014-10-08 at 09:14 +0200, Loic Dachary wrote: >>> Hi Sebastien, >>> >>> Have you been able to reproduce it or did it vanish again ? This is a tricky one ;-) >>> >>> Cheers >>> >>> On 02/10/2014 16:58, Loic Dachary wrote: >>>> >>>> >>>> On 02/10/2014 16:31, Sebastien Ponce wrote: >>>>> As mentioned in the bug, I was a bit fast in concluding I could >>>>> reproduce the problem. I can reproduce the original one, but not the >>>>> remaining issue once the fix was applied. >>>>> >>>>> Loic, can you confirm that you are using the wip-9356 branch of repo >>>>> git@xxxxxxxxxx:sponce/ceph.git ? >>>> >>>> Yes. I'm able to reproduce the problem with 0daddfbf1164d6ba3f38eee29d2f11acfa62f2b6 from your tree https://github.com/sponce/ceph.git which is the head of wip-9356 >>>> >>>> Cheers >>>> >>>>> >>>>> Sebastien >>>>> >>>>> >>>>> On Thu, 2014-10-02 at 11:49 +0200, Sebastien Ponce wrote: >>>>>> Hurray, I manage to seg fault ! (sounds odd this sentence...) >>>>>> So indeed, fresh ubuntu, debug mode does it. What I've also changed in >>>>>> the meantime is the type of machine. It's still virtual, but more >>>>>> powerful (4 cores). >>>>>> >>>>>> Let's debug it now... >>>>>> >>>>>> Sebastien >>>>>> >>>>>> >>>>>> On Wed, 2014-10-01 at 15:09 +0200, Sebastien Ponce wrote: >>>>>>> Ok, we are getting closer then. >>>>>>> I'll try to reinstall the ubuntu machine and run with -g. >>>>>>> >>>>>>> Sebastien >>>>>>> >>>>>>> On Wed, 2014-10-01 at 15:08 +0200, Loic Dachary wrote: >>>>>>>> >>>>>>>> On 01/10/2014 13:37, Sebastien Ponce wrote: >>>>>>>>> I've tried it on the RHEL6 like machine, but no luck. Or should I say I >>>>>>>>> was lucky ? Anyway no crash. >>>>>>>>> >>>>>>>>> Discussing with Dan Van Der Ster, he told me that he had once the case >>>>>>>>> where the crash was there or not depending on the libc version. Just in >>>>>>>>> case, what are you using ? On the machine I've used this morning, it's >>>>>>>>> glibc-2.12-1.107.el6.x86_64 >>>>>>>> >>>>>>>> I'm using >>>>>>>> >>>>>>>> ii libc-bin 2.19-0ubuntu3 >>>>>>>> >>>>>>>> and I do not have glibc installed. I'm quite sure you can reproduce the problem on a fresh Ubuntu 14.04 with the following >>>>>>>> >>>>>>>> ./autogen.sh ; ./configure --disable-static --with-debug CFLAGS="-Wall -g" CXXFLAGS="-Wall -g" >>>>>>>> >>>>>>>> it fails consistently in my container. When I try with ./configure it does not fail. Something is going on when there is -g instead of the default flags. I checked that --disable-static and --with-debug make no difference. >>>>>>>> >>>>>>>> Cheers >>>>>>>> >>>>>>>>> >>>>>>>>> Sebastien >>>>>>>>> >>>>>>>>> On Wed, 2014-10-01 at 10:31 +0200, Loic Dachary wrote: >>>>>>>>>> Hi, >>>>>>>>>> >>>>>>>>>> On 01/10/2014 09:28, Sebastien Ponce wrote: >>>>>>>>>>> Thanks for this effort ! >>>>>>>>>>> I'll look at all that this afternoon (it's mid morning here). >>>>>>>>>> >>>>>>>>>> Same here : I'm in Paris ;-) >>>>>>>>>> >>>>>>>>>>> Concerning configure and autogen, I do the standard (naive ?) >>>>>>>>>>> "./autogen.sh; ./configure; make" given by the readme. >>>>>>>>>> >>>>>>>>>> Could you try with >>>>>>>>>> >>>>>>>>>> ./autogen.sh ; ./configure --disable-static --with-debug CC='ccache gcc' CXX='ccache g++' CFLAGS="-Wall -g" CXXFLAGS="-Wall -g" ; make >>>>>>>>>> >>>>>>>>>> and let me know if you see a problem when running >>>>>>>>>> >>>>>>>>>> cd src >>>>>>>>>> rm -fr dev out ; mkdir -p dev ; CEPH_NUM_MON=1 CEPH_NUM_OSD=3 ./vstart.sh -d -n -X -l mon osd >>>>>>>>>> ./ceph_test_rados_striper_api_aio >>>>>>>>>> >>>>>>>>>> I'm trying with your "./configure" on my end to check if this changes something. >>>>>>>>>> >>>>>>>>>> It's going to be a fun one ;-) >>>>>>>>>> >>>>>>>>>> Cheers >>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> Sebastien >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> On Wed, 2014-10-01 at 09:01 +0200, Loic Dachary wrote: >>>>>>>>>>>> Hi Sebastien, >>>>>>>>>>>> >>>>>>>>>>>> In the context of http://tracker.ceph.com/issues/9356 I'm trying to collect as much information as I can in an environment that can be reconstructed to avoid interferences. Could you please let me know which ./configure line you are using ? Or which do_autogen.sh command you are using. >>>>>>>>>>>> >>>>>>>>>>>> Thanks in advance :-) >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> -- >>>>>>>>>>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >>>>>>>>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>>>>>>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>>>>>>>>>> >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> -- >>>>>>>>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >>>>>>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>>>>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>>>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >>>>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>>>>> >>>>>> >>>>>> -- >>>>>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >>>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>>>> >>>>> >>>>> -- >>>>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>>>> >>>> >>> >> >> >> -- >> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Loïc Dachary, Artisan Logiciel Libre
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