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Re: [PATCH] Improve analysis of racy testcases


Pedro Alves writes:

> On 03/14/2016 12:31 PM, Antoine Tremblay wrote:
>
>> Just to let know you that the script worked as expected during my
>> testing and it's quite nice to see. The tests however were more flacky
>> then expected so I can't use the output directly guess I'll need a never
>> ignore this test list... (like base/break.exp). Still it's very helpful.
>
> Could you share a bit more on what you found?  I wouldn't expect break.exp
> to be flaky.  I think some tests that use gdb_test_stdio are still
> flaky with gdbserver, but break.exp does not seem to use it.
>

It's flaky because of a weird problem I have while running GDBServer on
ARM, sometimes out of nowhere I will get a SIGILL just running a program
on GDBServer, clean of breakpoints or anything just loading the program
in GDBServer and doing a continue can trigger it.

See this thread: https://www.sourceware.org/ml/gdb/2015-11/msg00030.html

So it's not because the test itself is flaky but more the platform in general...

Regards,
Antoine


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