Re: context (lmtx) segfaults on x86_64 linux

[Vladimir Lomov <lomov.vl@yandex.ru>]

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Hello,
** Henri Menke [2019-09-11 11:19:57 +1200]:

> On 9/11/19 3:50 AM, Aditya Mahajan wrote:
>> On Tue, 10 Sep 2019, Hans Hagen wrote:
>> 
>>> On 9/10/2019 4:11 PM, Vladimir Lomov wrote:
>>>> Hello,
>>>> today I updated lmtx and on simple
>>>>
>>>>    $ context --version
>>>>
>>>> I get segfault (in the same time luametatex --version works fine).
>>>> Running under gdb shows me that the problem might be in one of 'realloc'
>>>> calls.
>>>>
>>>> The context from Context Suite (mkiv) works fine.
>>>>
>>>> P.S. I tested on two systems, both runs Archlinux x86_64.
>>> can you completely wipe the texmf-cache directory and then run
>>>
>>> mtxrun --generate
>>> context --make
>>>
>>> (there is a change in bytecode that gets not automatically noticed that 
>>> can give that crash)
>> 
>> I had the same issue and completely wiping the texmf-cache fixes it.
>> 
>> @Vladimir: If you are using the luametatex package from AUR, then the 
>> texmf-cache is located at $HOME/.cache/luametatex.

No, I don't use the package from AUR, I simply do

  /usr/local/opt/lmtx $ sudo ./install.sh

but I explicitly set TEXMFCACHE=$HOME/.cache/lmtx (for context suite I
set it to $HOME/.cache/context-suite).

> I'm receiving the super helpful error message:
> 
>     ! error (lua): function call: no
> 
> Maybe some sort of cache versioning is in order to at least give a better error.

It didn't occured to me that the problem may be with the cache, it would
be helpfull if context/luametatex will give error message, something
like "cache version mismatch" and exit.

> Cheers, Henri
> 
>> 
>> Aditya

---
WBR, Vladimir Lomov



-- 
Sometimes I live in the country,
And sometimes I live in town.
And sometimes I have a great notion,
To jump in the river and drown.

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