How to get user level stack trace of an application from system crash

[Shailendra Rana]

On 7 October 2015 at 12:20, Vishal Thanki <vishalthanki at gmail.com> wrote:
> Hi Shailendra,
>
> You may want to run your application using strace/ltrace which may help you
> identify which system call/library call is actually causing the crash. You
> may have to look around the application source surrounded by that system
> call/library call and have to find the clue. I am not aware of any other way
> to get the user level stacktrace.
>
> Vishal
>
> On Tue, Oct 6, 2015 at 11:23 AM, Shailendra Rana
> <shailendra.rana1982 at gmail.com> wrote:
>>
>> Hi,
>>
>> I have an application which traps file events using fanotify, process
>> these events and gives a verdict to fanotify whether access to a file
>> is allowed or not. However, in some cases the verdict does not reach
>> fanotify and system freezes. In such a case I just have system crash
>> to analyze the issue.
>>
>> My question is that is it possible to get a user level stack trace of
>> an application using system crash ?
>>
>> Thanks and regards,
>> Shailendra
>>
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>
>

Hi,

Yes, for in-house debugging it can be done but this may not be
possible if this application is running on a customer system. In that
case I would just have the crash dump.

Thanks and regards,
Shailendra