[Bug 45251] Can't start Steam

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=45251

--- Comment #6 from Daniel Berger <3dk at protonmail.com> ---
Ok, I figured it out. I had to increase the number of possible open files for a
process. It was an issue with my system and you can stop reading here, unless
you want to know the details which I will still describe, in case other people
have the issue.

First I checked what the limit for open files was set to with the command:
$ ulimit -n
It was set to 1024 for my user which supposedly isn't very high. Apperently Red
Hat is to thank for setting this low default limit. A more sensible limit is
something like 10000. Using the ulimit command to set it like so:
$ ulimit -n 10000
didn't work and gave an error about not having the permissions to increase the
limit. If that command would have worked, it would have only set the limit for
that shell instance, so the limit would have reverted back to 1024 if I close
and reopened the terminal.

To permanently increase the the ulimit for all processes, I had to edit the
config file "/etc/security/limits.conf" as root user.

There I simply had to add these two lines:
* hard nofile 10000
* soft nofile 10000

After rebooting I checked ulimit -n again and could see that it finally set to
10000. Running steam after that worked again.

I had not run steam in months and  is the first time that I had run into an
issue with the file limit being reached by a program. It also didn't happen
when running other programs with this same wine version (3.8). Maybe it is the
result of more new features being added to wine and steam or the specific
components that wine uses to run steam that have changed and lead to an
increase in the necessary amount of open files... I do find it amazing that it
is necessary for wine to open over 1024 files to run steam.

For anyone wanting to learn more about ulimit, here are some links I found in
my search that describe it further:

https://docs.mongodb.com/manual/reference/ulimit/
https://unix.stackexchange.com/questions/75996/modify-ulimit-open-files-of-a-specific-process
http://wiki.linuxquestions.org/wiki/Ulimit
https://bbs.archlinux.org/viewtopic.php?id=202694
https://bbs.archlinux.org/viewtopic.php?id=194179
https://wiki.archlinux.org/index.php/PAM

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