New testsuite errors with gdbserver (remote)

[Michael Snyder]

Michael Snyder wrote:
> Michael Snyder wrote:
>> Michael Snyder wrote:
>>> Hi,
>>>
>>> Actually I don't know how new these are -- certainly newer than the
>>> 7.2 release.  Is anybody else running the testsuite with 
>>> native-gdbserver.exp?
>>>
>>> I'm seeing hundreds of instances of this assert failure:
>>>
>>> /data/home/msnyder/cvs/localhost/src/gdb/thread.c:619: internal-error: 
>>> is_thread_state: Assertion `tp' failed.
>>
>> Luckily, this shows up in head but not in the current release branch.
>> So it need not hold up the 7.2.1 release.
>>
>> To see an instance of this, run
>>
>>      make check RUNTESTFLAGS="--target_board=native-gdbserver bang.exp"
>>
> 
> I have binary-searched it down to a change occurring in the main trunk, 
> on February 4.  One of these:

Somewhat to my surprise, these new failures narrow down to this change:

2011-02-04  Sami Wagiaalla  <swagiaal@redhat.com>
                 Oguz Kayral <oguzkayral@gmail.com>

         * python/py-inferior.c (python_on_normal_stop): New function.
         (python_on_resume): New function.
         (python_inferior_exit): New function.
         (gdbpy_initialize_inferior): Add normal_stop, target_resumed, and
         inferior_exit observers.
         * python/py-evtregistry.c: New file.
         * python/py-threadevent.c : New file.
         * python/py-event.c: New file.
         * python/py-evts.c: New file.
         * python/py-continueevent.c: New file.
         * python/py-bpevent.c: New file.
         * python/py-signalevent.c: New file.
         * python/py-exetiedevent.c: New file.
         * python/py-breakpoint.c (gdbpy_breakpoint_from_bpstats): New 
function.
         Move struct breakpoint_object from here...
         * python/python-internal.h: ... to here.
         * python/py-event.h: New file.
         * python/py-events.h: New file.
         * Makefile.in (SUBDIR_PYTHON_OBS): Add py-breakpointstopevent.o,
         py-continueevent.o, py-event.o, py-eventregistry.o, py-events.o,
         py-exitedevent.o, py-signalstopevent.o, and py-stopevent.o.
         (SUBDIR_PYTHON_SRCS): Add py-breakpointstopevent.c,
         py-continueevent.c, py-event.c, py-eventregistry.c, py-events.c,
         py-exitedevent.c, py-signalstopevent.c, and py-stopevent.c.
         Add build rules for all the above.