On 2012年08月21日 18:35, Jan Stancek wrote:
>
> ----- Original Message -----
>> From: "Kang Kai"<kai.k...@windriver.com>
>> To: "Jan Stancek"<jstan...@redhat.com>
>> Cc: gaowanl...@cn.fujitsu.com, ltp-list@lists.sourceforge.net, "Zhenfeng
>> Zhao"<zhenfeng.z...@windriver.com>
>> Sent: Tuesday, 21 August, 2012 11:59:19 AM
>> Subject: Re: [LTP] [PATCH] pthread_detach/4-3: workaround for segment fault
> <snip>
>
>> Hi Jan,
>>
>> Thanks.
>> I am sorry that It doesn't work and still "segment fault".
> Maybe we can narrow it down by running only subset of scenarios.
> I would suggest trying to limit "sc" or "NSCENAR" and see which
> one triggers it.
>
> Another thing that looks suspicious are scenarios with altstack, there seems
> to be small window where more than 1 thread can use same altstack.
> Can you try to reproduce it without altstack scenarios?
>
> diff --git
> a/testcases/open_posix_testsuite/conformance/interfaces/pthread_detach/4-3.c
> b/testcases/open_posix_testsuite/conforman
> index 5c15e93..63b6ee7 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
> @@ -162,6 +162,11 @@ static void *test(void *arg)
> output("Starting test with scenario (%i): %s\n",
> sc, scenarii[sc].descr);
> #endif
Hi Jan,
> + if (scenarii[sc].altstack) {
> + sc++;
> + sc %= NSCENAR;
> + continue;
> + }
>
It fails with another error randomly, and output is:
[09:45:16]System abilities:
[09:45:16] TSA: 200809
[09:45:16] TSS: 200809
[09:45:16] TPS: 200809
[09:45:16] pagesize: 4096
[09:45:16] min stack size: 16384
[09:45:16]WARNING: The TPS option is claimed to be supported but
setscope fails
[09:45:16]WARNING: The TPS option is claimed to be supported but
setscope fails
[09:45:16]WARNING: The TPS option is claimed to be supported but
setscope fails
[09:45:16]WARNING: The TPS option is claimed to be supported but
setscope fails
[09:45:16]WARNING: The TPS option is claimed to be supported but
setscope fails
[09:45:16]WARNING: The TPS option is claimed to be supported but
setscope fails
[09:45:16]WARNING: The TPS option is claimed to be supported but
setscope fails
[09:45:16]WARNING: The TPS option is claimed to be supported but
setscope fails
[09:45:16]WARNING: The TPS option is claimed to be supported but
setscope fails
[09:45:16]All 33 thread attribute objects were initialized
[09:45:18]Test ../../../conformance/interfaces/pthread_detach/4-3.c
unresolved: got 12 (Cannot allocate memory) on line 179 (Failed to
create this thread)
Regards,
Kai
> count_ope++;
>
>
> Regards,
> Jan
>
>> Regards,
>> Kai
>>
>
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