Re: librados AIO problem diagnostic

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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 :-)
>>>>
>>>
>>>
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>>
> 
> 
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-- 
Loïc Dachary, Artisan Logiciel Libre

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