[regression/native-gdbserver][buildbot] Python testscases get staled

[Sergio Durigan Junior]

On Monday, January 12 2015, Pedro Alves wrote:

> On 01/12/2015 04:43 AM, Sergio Durigan Junior wrote:
>> 
>> Buildbot (which is running only internally so far, but will hopefully be
>> deployed this week) "caught" this when building in x86_64 (Fedora 21)
>> and testing the native-gdbserver variant (both x86_64 and x86).  When
>> you run the test on the gdb.python/ directory, you see that it stales
>> when it reaches the gdb.python/py-section-script.exp testcase.
>> Buildbot's gdb.log specifically has:
>> 
>>   Running ../../../binutils-gdb/gdb/testsuite/gdb.python/py-section-script.exp ...
>>   ERROR: (timeout) GDB never initialized after 10 seconds.
>>   ERROR: no fileid for gdbuild
>>   ERROR: Couldn't send python print ('test') to GDB.
>>   ERROR: no fileid for gdbuild
>>   ERROR: Couldn't send python print (sys.version_info[0]) to GDB.
>>   ERROR: no fileid for gdbuild
>>   ERROR: Couldn't send python print (sys.version_info[1]) to GDB.
>>   ERROR: no fileid for gdbuild
>>   ERROR: no fileid for gdbuild
>>   ...
>>   (this goes on and on, for several testcases)
>> 
>
> Here's what I get:
>
> $ make check RUNTESTFLAGS="--target_board=native-gdbserver gdb.python/py-section-script.exp"
> ...
> Running /home/pedro/gdb/mygit/src/gdb/testsuite/gdb.python/py-section-script.exp ...
>
>                 === gdb Summary ===
>
> # of expected passes            7
> ...

Running the testcase alone seems to be fine.  The problem happens when
you run the entire gdb.python/ directory:

  make check RUNTESTFLAGS="--target_board=native-gdbserver --directory=gdb.python"

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Sergio
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