On 2012年08月21日 09:35, Wanlong Gao wrote:
> On 08/21/2012 09:31 AM, Kang Kai wrote:
>> On 2012年08月20日 10:21, Kang Kai wrote:
>>> On 2012年08月20日 10:01, Wanlong Gao wrote:
>>>> On 08/20/2012 09:39 AM, Kang Kai wrote:
>>>>> On 2012年08月19日 06:58, Wanlong Gao wrote:
>>>>>> On 08/14/2012 05:00 PM, Kang Kai wrote:
>>>>>>> This case fails randomly with "Segmentation fault". Reset VERBOSE to 6
>>>>>>> can avoid this problem.
>>>>>> Can you explain that why "reset VERBOSE" can avoid this "Seg Fault"
>>>>>> problem?
>>>>> It is a multi-thread issue. You can run it for less than 10 times, and it
>>>>> will fail with "Segmentation fault".
>>>> I didn't see this on my side.
>> Hi Wanlong,
>>
>>> It fails both on mips and x86_64.
>>> On the x86_64,
>>> cpu: Intel I7
>>> OS: Ubuntu 11.10
>>> libc: eglibc 2.13
>>> kernel: 3.0.0-12-generic
>>>
>>> How about try this script on a x86_64 machine:
>>> for i in $(seq 100); do echo $i; ./4-3.run-test ; ret=$?; if [ $ret -ne
>>> 0 ]; then echo $? ; break; fi; done
>> Do you meet the "Segmentation Fault" yet?
Hi Wanlong,
> Not yet.
I test it on x86_64 with Redhat 5.3, it doesn't fail.
I try to compare them to find why it fails with Ubuntu 11.10.
Thanks,
Kai
>
> Thanks,
> Wanlong Gao
>
>> Regards,
>> Kai
>>
>>>>> It is hard to debug and I didn't find the root cause, but open the
>>>>> VERBOSE will avoid this situation. So it is a workaround.
>>>> I'd like to send a patch to fix this typo first.
>>> Fine.
>>>
>>> Regards,
>>> Kai
>>>
>>>> Thanks,
>>>> Wanlong Gao
>>>>
>>>>> Regards,
>>>>> Kai
>>>>>
>>>>>>> Fix typo at same time.
>>>>>> The typo fix is OK.
>>>>>>
>>>>>> Thanks,
>>>>>> Wanlong Gao
>>>>>>
>>>>>>> Signed-off-by: Kang Kai<kai.k...@windriver.com>
>>>>>>> ---
>>>>>>> .../conformance/interfaces/pthread_detach/4-3.c | 4 ++--
>>>>>>> 1 files changed, 2 insertions(+), 2 deletions(-)
>>>>>>>
>>>>>>> diff --git
>>>>>>> a/testcases/open_posix_testsuite/conformance/interfaces/pthread_detach/4-3.c
>>>>>>>
>>>>>>> b/testcases/open_posix_testsuite/conformance/interfaces/pthread_detach/4-3.c
>>>>>>> index 5c15e93..23738dc 100644
>>>>>>> ---
>>>>>>> a/testcases/open_posix_testsuite/conformance/interfaces/pthread_detach/4-3.c
>>>>>>> +++
>>>>>>> b/testcases/open_posix_testsuite/conformance/interfaces/pthread_detach/4-3.c
>>>>>>> @@ -49,7 +49,7 @@
>>>>>>> #include "../testfrmw/testfrmw.c"
>>>>>>>
>>>>>>> #ifndef VERBOSE
>>>>>>> -#define VERBOSE 1
>>>>>>> +#define VERBOSE 6
>>>>>>> #endif
>>>>>>>
>>>>>>> #define WITH_SYNCHRO
>>>>>>> @@ -281,7 +281,7 @@ int main(int argc, char *argv[])
>>>>>>>
>>>>>>> do {
>>>>>>> do_it2 = 0;
>>>>>>> - } while (do_it2 = 0);
>>>>>>> + } while (do_it2);
>>>>>>>
>>>>>>> ret = pthread_join(th_sig1, NULL);
>>>>>>> if (ret)
>>>>>>>
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