You are missing the following 32-bit libraries: Steam

[Carter Cox]

Go to the bottom of this post for a solution

Relevant System information:

• AMD FX 8350
  GTX 1060
  Debian 9.5
  NVIDIA drives installed (package name: nvidia-driver) (already rebooted)

Problem:
I just installed Steam by following the Wiki, AKA running:

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# dpkg --add-architecture i386
# apt update
# apt install steam

Now, when I open it, I get the following message:

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You are missing the following 32-bit libraries, and Steam may not run:
libGL.so.1
Press enter to continue:

I press enter, and then this happens:

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Fatal Error: Failed to load steamui.so

Attempts to solve the problem:
1. DuckDuckGo: I got similar information but unrelated (different OSes) (some examples: https://steamcommunity.com/app/221410/d ... 779141735/ , https://www.reddit.com/r/ManjaroLinux/c ... aries_and/ , https://askubuntu.com/questions/260813/ ... ibraries-a)
2. APT

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# apt search libGL.so.1
Sorting... Done
Full Text Search... Done
libgl1-glvnd-nvidia-glx/stable,now 384.130-1 amd64 [installed]
  Vendor neutral GL dispatch library -- libGL

Already installed. Also, it's for amd64.
3. Posting in this forum.

Solution:
Install 32-bit OpenGL libraries

Nvidia graphics hardware:

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# apt install libgl1-nvidia-glx:i386

ATI/AMD graphics hardware:

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# apt install libgl1-fglrx-glx:i386

AMDGPU graphics hardware: (tested on stretch)

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# apt install xserver-xorg-video-amdgpu:i386 xorg-video-abi-23:i386 xserver-xorg-core:i386

[GarryRicketson]

First off, you did a great job with the details you include, I wish more people would do like this.

I think in several other topics , I have see where someone said this package needs to be installed,
https://packages.debian.org/stretch/multiarch-support

Transitional package to ensure multiarch compatibility

This is a transitional package used to ensure multiarch support is present in ld.so before unpacking libraries to the multiarch directories. It can be removed once nothing on the system depends on it.

I am not positive on this, so you might want to wait and see what some of the other more experienced members say as well.
Or try looking for some of the other topics about installing Steam, sorry I don't have links to any handy, maybe I should save some, because this question does come up quite often. Based on what you show, installing the "multiarch-support" is the only thing you did not do, and it seems odd to me that the wiki does not mention that, maybe the wiki needs to be updated, if this is correct.
===== edited ====
Found 1 of them:http://forums.debian.net/viewtopic.php? ... 10#p620710

by ptrakk » 2016-07-23 10:30

I apologize for the necro-bump, but I feel this is still relevant and this info needs to be out there. as it fixed everything for me.

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apt install multiarch-support
dpkg --add-architecture i386
apt update
apt dist-upgrade

I don't know about it being necessary to do the :"apt dist-upgrade" part,
in fact, that might be a bad idea, I would try:

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apt -s dist-upgrade 

to simulate it, first, and see what is shows,
again, You maybe should wait, and some one that knows for sure will say so , I hope.

Additional:
http://forums.debian.net/search.php?key ... ch-support

[bw123]

I just installed Steam by following the Wiki, AKA running:

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    # dpkg --add-architecture i386
    # apt update
    # apt install steam

I just looked at the wiki, and you missed a step.
https://wiki.debian.org/Steam

4. Install 32-bit OpenGL libraries:

[Carter Cox]

Thank you GarryRicketson. The solution was provided by bw123. Thank you as well. Updated the OP to provide the solution for people who find this thread in search engines or searching the forum.

[stevepusser]

ATI/AMD graphics hardware:

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# apt install libgl1-fglrx-glx:i386

That's not applicable for Stretch, as the proprietary AMD fglrx-driver is not compatible with Stretch's xorg. It's either install the mesa version or the amdgpu version.