Re: [PATCH for-6.0 00/11] target/arm: enforce alignment

[Pavel Dovgalyuk]

On 03.12.2020 19:14, Peter Maydell wrote:
> On Thu, 3 Dec 2020 at 16:10, Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru> wrote:
> > On 03.12.2020 15:30, Philippe Mathieu-Daudé wrote:
> > > Cc'ing Pavel
> > >
> > > On 12/1/20 4:55 PM, Peter Maydell wrote:
> > > > On Wed, 25 Nov 2020 at 04:06, Richard Henderson
> > > > <richard.henderson@linaro.org> wrote:
> > > > > As reported in https://bugs.launchpad.net/bugs/1905356
> > > > >
> > > > > Not implementing SCTLR.A, but all of the other required
> > > > > alignment for SCTLR.A=0 in Table A3-1.
> > > >
> > > > Something in this series breaks the 'make check-acceptance'
> > > > record-and-replay test:
> > > >
> > > >    (30/40) 
> > > > tests/acceptance/replay_kernel.py:ReplayKernelNormal.test_aarch64_virt:
> > > > PASS (9.14 s)
> > > >    (31/40) tests/acceptance/replay_kernel.py:ReplayKernelNormal.test_arm_virt:
> > > > INTERRUPTED: Test interrupted by SIGTERM\nRunner error occurred:
> > > > Timeout reached\nOriginal status: ERROR\n{'name':
> > > > '31-tests/acceptance/replay_kernel.py:ReplayKernelNormal.test_arm_virt',
> > > > 'logdir': 
> > > > '/home/petmay01/linaro/qemu-from-laptop/qemu/build/arm-clang/tests/result...
> > > > (90.19 s)
> > > >
> > > > The log shows the "recording execution" apparently hanging,
> > > > with the last output from the guest
> > > > [    3.183662] Registering SWP/SWPB emulation handler
> >
> > I looked through the patches and it does not seem that they can break
> > anything.
> > Could it be the same avocado/chardev socket glitch as in some previous
> > failures?
> > What happens when re-running this test?
>
> I ran it a couple of times with the patchset and it failed the same
> way each time. Without is fine.

I applied the patches and got no failures on my local machine.

Do you have any ideas on debugging this bug?
What does "arm-clang" means? Is the host compiler is clang?

Pavel Dovgalyuk