[bug #61241] Strange hung in make after build terminated

[Uladzimir Bely]

URL:
  <https://savannah.gnu.org/bugs/?61241>

                 Summary: Strange hung in make after build terminated
                 Project: make
            Submitted by: ubely
            Submitted on: Ср 29 сен 2021 07:14:04
                Severity: 3 - Normal
              Item Group: Bug
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
       Component Version: 4.2.1
        Operating System: None
           Fixed Release: None
           Triage Status: None

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Details:

During CI (Jenkins) build of our project we caught a strange `make` hang
that's hard to understand for us. Maybe, it was something sporadic, but anyway
it looked strange.

The project that was building and make hung with was u-boot (source is
https://ftp.denx.de/pub/u-boot/u-boot-2020.10.tar.bz2 ) for de0-nano-soc
target.

At some moment there were several "Terminated" messages (we couldn't
understand where they came from), then the remaining files were built, but
`make` didn't finished and left hung. The build log is attached.

I managed to connect to the hunging/running `make` process via gdb and walked
several steps through the code. It looks like it 
some chain of check_dep/update_file_1/update_file routings in `remake.c`
code.

We just assume that there might be some bug in `make` that could lead to this
`looping` instead of exit with error. And `make` developers could understand
what had happened.





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File Attachments:


-------------------------------------------------------
Date: Ср 29 сен 2021 07:14:04  Name: log.do_dpkg_build.20272  Size:
20КиБ   By: ubely

<http://savannah.gnu.org/bugs/download.php?file_id=51982>
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Date: Ср 29 сен 2021 07:14:04  Name: gdb_steps.txt  Size: 55КиБ   By:
ubely

<http://savannah.gnu.org/bugs/download.php?file_id=51983>

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