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Subject: Re: master bf7041a: Centralize subprocess creation in a single
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Date: Fri, 25 Dec 2020 12:10:13 +0100
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Cc: Philipp Stephani , Lars Ingebrigtsen ,
Eli Zaretskii , Emacs developers
To: Paul Eggert
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Am Fr., 25. Dez. 2020 um 11:42 Uhr schrieb Paul Eggert :
>
> By the way, after my recent cleanups for the Gnulib merge I'm still
> running into problems running parallel 'make check' on Fedora 33 and on
> Ubuntu 20.10. Plain 'make check' works, but 'make -j4 check' hangs.
> 'top' reports:
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+
> COMMAND
> 1858899 eggert 20 0 373536 33016 20968 R 100.0 0.4 2:18.83
> emacs
> 1858163 eggert 20 0 440044 99836 21144 R 99.7 1.2 2:21.01
> emacs
> 1860091 eggert 20 0 378844 38580 21200 R 99.7 0.5 2:11.89
> emacs
> 1862421 eggert 20 0 489052 142108 21568 R 99.0 1.7 0:17.66
> emacs
>
> 'ps -ejH' reports:
>
> PID PGID SID TTY TIME CMD
> 1858162 1854607 1781976 pts/4 00:00:00 sh
> 1858163 1854607 1781976 pts/4 00:02:48 emacs
> 1859170 1859170 1859170 ? 00:00:00 gpg2
>
> 1858898 1854607 1781976 pts/4 00:00:00 sh
> 1858899 1854607 1781976 pts/4 00:02:46 emacs
> 1859249 1859249 1859249 ? 00:00:00 gpg2
>
> 1860090 1854607 1781976 pts/4 00:00:00 sh
> 1860091 1854607 1781976 pts/4 00:02:39 emacs
> 1860174 1860174 1860174 ? 00:00:00 gpg2
>
> 1862420 1854607 1781976 pts/4 00:00:00 sh
> 1862421 1854607 1781976 pts/4 00:00:44 emacs
> 1862429 1862429 1862429 ? 00:00:00 bash
>
> ...
> 1833188 1833188 1833188 ? 00:00:00 gpg-agent
> 1833497 1833497 1833497 ? 00:00:00 gpg-agent
> 1833690 1833690 1833690 ? 00:00:00 gpg-agent
> 1841465 1841465 1841465 ? 00:00:00 gpg-agent
> 1842132 1842132 1842132 ? 00:00:00 gpg-agent
> 1859145 1859145 1859145 ? 00:00:00 gpg-agent
> 1859215 1859215 1859215 ? 00:00:00 gpg-agent
>
>
> I suspect the subprocess creation changes mentioned in this thread's
> subject line, though I haven't investigated further. Plus, I'm not sure
> why tests would be running GPG connected to my gpg-agent - isn't that
> going a bit far for 'make check'?
>
I can't reproduce these on either Debian testing or macOS Big Sur.