Re: tests: ReverseDebugging_AArch64.test_aarch64_virt -> InvalidPacketError

[Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru>]

On 28.06.2021 14:20, Philippe Mathieu-Daudé wrote:
> On 6/28/21 7:14 AM, Pavel Dovgalyuk wrote:
>> On 25.06.2021 20:01, Philippe Mathieu-Daudé wrote:
>>> Hi Pavel,
>>>
>>> FYI as of commit 050cee12315 ("Merge remote-tracking branch
>>> 'remotes/stsquad/tags/pull-testing-updates-250621-1' into staging")
>>
>> Doesn't it mean, that the real culprit is hidden and we should bisect?
> 
> Could be, I have no idea, I don't run this test often, only when I do
> changes related to aa64. I could bisect if you can't, but it won't be
> soon.
> 
>>> the ReverseDebugging_AArch64 test is failing:
>>
>> Shouldn't the merge be postponed in such cases?
> 
> This test isn't run on CI (you marked it @skip in commit be52eca3097).

Thanks for clarification. I'll take a look at this bug, but it will not 
be soon too.

> 
>>>    (28/37)
>>> tests/acceptance/reverse_debugging.py:ReverseDebugging_AArch64.test_aarch64_virt:
>>>
>>>    ERROR (0.96 s)
>>>
>>> INFO | recorded log with 1690570+ steps
>>> INFO | replaying the execution...
>>> INFO | connecting to gdbstub
>>> INFO | stepping forward
>>> INFO | saving position 40000000
>>> ERROR|
>>> ERROR| Reproduced traceback from:
>>> lib/python3.8/site-packages/avocado/core/test.py:770
>>> ERROR| Traceback (most recent call last):
>>> ERROR|   File "acceptance/reverse_debugging.py", line 206, in
>>> test_aarch64_virt
>>> ERROR|     self.reverse_debugging(
>>> ERROR|   File "acceptance/reverse_debugging.py", line 140, in
>>> reverse_debugging
>>> ERROR|     pc = self.get_pc(g)
>>> ERROR|   File "acceptance/reverse_debugging.py", line 77, in get_pc
>>> ERROR|     return self.get_reg(g, self.REG_PC)
>>> ERROR|   File "acceptance/reverse_debugging.py", line 72, in get_reg
>>> ERROR|     return self.get_reg_le(g, reg)
>>> ERROR|   File "acceptance/reverse_debugging.py", line 58, in get_reg_le
>>> ERROR|     res = g.cmd(b'p%x' % reg)
>>> ERROR|   File "lib/python3.8/site-packages/avocado/utils/gdb.py", line
>>> 783, in cmd
>>> ERROR|     response_payload = self.decode(result)
>>> ERROR|   File "lib/python3.8/site-packages/avocado/utils/gdb.py", line
>>> 738, in decode
>>> ERROR|     raise InvalidPacketError
>>> ERROR| avocado.utils.gdb.InvalidPacketError