On 5/29/24 22:51, Waldek Hebisch wrote:

first build went fine, but a few later failed.  Actually, it looks
worse than previous version where probability of success looked
higher.

Yes, problem is because some .tex files are truncated.  In one run it
was 'ug10.tex', in few cases it was 'SEGBIND.tex'.  In other cases
I did not check the files but LaTeX error messuge indicated truncation.

Can you try my patch from yesterday and see if this one helps.

Do you think this is a problem that needs to be fixed before commit?

We should understand what is happening.  As I wrote, HyperDoc and
graphics protocal is inherently racy, but in previously it worked
relatively well.  Ocasional hangs did happen.  But truncated files
is a new thing.

I do not think this "truncated file" problem is a new thing.
We simply did not test it before, so it was not noticed until now.

The "sman -paste" invocation of "hypertex" does not have this problem
because it uses only socket IO to FRICASsys, it's purely sequential.

While the "usage of sman/FRICASsys in pipe" is more complex, it involves
both socket IO and stdio, so the race happens there.

- Qian

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