Re: tests: ReverseDebugging_AArch64.test_aarch64_virt -> InvalidPacketError

[Pavel Dovgalyuk]

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