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

[Peter Maydell]

On Fri, 4 Dec 2020 at 06:17, Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru> wrote:
>
> 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?

Yes, it's a clang build (with the sanitizers enabled, though I didn't
see any output from the sanitizers in the logfile).

thanks
-- PMM