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Re: Gnu-Lightning test suite failures on armv7h

From: Zachary Cook
Subject: Re: Gnu-Lightning test suite failures on armv7h
Date: Mon, 10 Feb 2020 18:30:46 -0500

The patch doesn't change anything here, btw this is a 4xA15+4xA7 cpu, not cortex-m*

On Mon, Feb 10, 2020 at 4:21 PM Paulo César Pereira de Andrade <address@hidden> wrote:
Em seg., 10 de fev. de 2020 às 17:38, Zachary Cook
<address@hidden> escreveu:
> This test was run on an ODROID XU4 running Arch Linux Arm
> When I compile with --enable-assertions all tests fail due to:
> lt-lightning: jit_disasm.c:143: jit_init_debug: Assertion `disasm_print' failed.
> cpuinfo:
> processor : 0
> model name : ARMv7 Processor rev 3 (v7l)
> BogoMIPS : 12.00
> Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae
> CPU implementer : 0x41
> CPU architecture: 7
> CPU variant : 0x0
> CPU part : 0xc07
> CPU revision : 3

  Can you please test the tentative, untested attached patch?

> On Mon, Feb 10, 2020 at 1:40 PM Paulo César Pereira de Andrade <address@hidden> wrote:
>> Em sex., 24 de jan. de 2020 às 17:01, Zachary Cook
>> <address@hidden> escreveu:
>>   Hi Zachary,
>> > See for test suite log, same results on both 2.1.3 and git master
>>   What environment are you using?
>>   I am using an almost 6 years old qemu image as arm test environment, and
>> all tests pass for me.
>>   Since it is failing only when generating arm instructions, not for thumb
>> instructions, it should be something specific to arm instructions. Either
>> some kind of bug, or maybe it is some kind of environment that only knows
>> about thumb instructions... Quick googling it should be the case, based on
>> """
>> Only Thumb-1 and Thumb-2 instruction sets are supported in Cortex-M
>> architectures; the legacy 32-bit ARM instruction set isn't supported.
>> """
>>   What do you see as 'cat /proc/cpuinfo' output? It should be patched to
>> just skip tests for arm instructions on this environment.


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