[Bug 78242] New: Steam cannot load mesa drivers (libGL error: driver pointer missing)

[Bug 78242] New: Steam cannot load mesa drivers (libGL error: driver pointer missing)

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https://bugs.freedesktop.org/show_bug.cgi?id=78242

          Priority: medium
            Bug ID: 78242
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Steam cannot load mesa drivers (libGL error: driver
                    pointer missing)
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: laszlo.kertesz@gmail.com
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

I rebuilt mesa recently (on Debian Testing 64 bit) an i see that Steam is
broken again. I get this in a terminal (accompanied by a graphical popup saying
"OpenGL GLX context is not using direct rendering, which may cause performance
problems.") :

Running Steam on debian  64-bit
STEAM_RUNTIME is enabled automatically
Installing breakpad exception handler for
appid(steam)/version(1398120891_client)
libGL error: dlopen /usr/lib/i386-linux-gnu/dri/r600_dri.so failed
(/media/bigdata/games/.steam/steam/ubuntu12_32/steam-runtime/i386/lib/i386-linux-gnu/libgcc_s.so.1:
version `GCC_4.7.0' not found (required by
/usr/lib/i386-linux-gnu/dri/r600_dri.so))
libGL error: unable to load driver: r600_dri.so
libGL error: driver pointer missing
libGL error: failed to load driver: r600
libGL error: dlopen /usr/lib/i386-linux-gnu/dri/swrast_dri.so failed
(/media/bigdata/games/.steam/steam/ubuntu12_32/steam-runtime/i386/lib/i386-linux-gnu/libgcc_s.so.1:
version `GCC_4.7.0' not found (required by
/usr/lib/i386-linux-gnu/dri/swrast_dri.so))
libGL error: unable to load driver: swrast_dri.so
libGL error: failed to load driver: swrast

Then other Steam specific stuff.
The Steam GUI launches but cannot launch anything.

Now i dont know what is the issue here since i built Mesa this way since a very
long time ago, with my current (gcc 4.8) compiler and had no such issues.

strings
/media/bigdata/games/.steam/steam/ubuntu12_32/steam-runtime/i386/lib/i386-linux-gnu/libgcc_s.so.1
| grep GCC_4
GCC_4.0.0
GCC_4.2.0
GCC_4.3.0
GCC_4.4.0
GCC_4.5.0

Other 64 and 32 bit opengl games seems to work fine.

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[Bug 78242] Steam cannot load mesa drivers (libGL error: driver pointer missing)

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https://bugs.freedesktop.org/show_bug.cgi?id=78242

--- Comment #1 from Laurent carlier <lordheavym@gmail.com> ---
rm
/media/bigdata/games/.steam/steam/ubuntu12_32/steam-runtime/i386/lib/i386-linux-gnu/libgcc_s.so.1

should fix the problem. It's a steam bug, not a mesa one

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[Bug 78242] Steam cannot load mesa drivers (libGL error: driver pointer missing)

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https://bugs.freedesktop.org/show_bug.cgi?id=78242

Laurent carlier <lordheavym@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |NOTOURBUG

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[Bug 78242] Steam cannot load mesa drivers (libGL error: driver pointer missing)

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https://bugs.freedesktop.org/show_bug.cgi?id=78242

--- Comment #2 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
Lastest update of fedora rawhide triggered this bug.

If I understood well, the steam preloaded libs use a different libgcc than the
system dependent libs.

Anyone told valve to tidy that thing?

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[Bug 78242] Steam cannot load mesa drivers (libGL error: driver pointer missing)

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https://bugs.freedesktop.org/show_bug.cgi?id=78242

--- Comment #3 from Laurent carlier <lordheavym@gmail.com> ---
https://github.com/ValveSoftware/steam-for-linux/issues/3273
https://github.com/ValveSoftware/steam-for-linux/issues/3280

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[Bug 78242] Steam cannot load mesa drivers (libGL error: driver pointer missing)

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https://bugs.freedesktop.org/show_bug.cgi?id=78242

--- Comment #4 from Daniel Scharrer <daniel@constexpr.org> ---
> It's a steam bug, not a mesa one

I disagree: this (naïvely linking LLVM) is a change in mesa that breaks many
binary software packages, not just Steam. While the steam-runtime will likely
get a fix for this at some point, some older games may not be so lucky.

Packaging libstdc++ and libgcc_s is relatively common with binary software
packages targeting Linux - it is practically required in order to target a wide
range of distribution versions while not limiting yourself to an ancient
compiler. Here is a small list of such packages that I happen to have installed
which bundle those libraries:

$ find /{opt,usr/local/games}/ ~/Games/Trine/ -name 'libstdc++*' -o -name
'libgcc_s*'
/opt/intel/composerxe-2013.2.144/bin/sourcechecker/lib/intel64/pinruntime/libgcc_s.so
/opt/intel/composerxe-2013.2.144/bin/sourcechecker/lib/intel64/pinruntime/libstdc++.so
/opt/intel/composerxe-2013.2.144/bin/sourcechecker/lib/intel64/pinruntime/libstdc++.so.6
/opt/intel/composerxe-2013.2.144/bin/sourcechecker/lib/intel64/pinruntime/libstdc++.so.6.0.10
/opt/intel/composerxe-2013.2.144/bin/sourcechecker/lib/intel64/pinruntime/libgcc_s.so.1
/opt/intel/composerxe-2013.2.144/bin/sourcechecker/lib/ia32/pinruntime/libgcc_s.so
/opt/intel/composerxe-2013.2.144/bin/sourcechecker/lib/ia32/pinruntime/libstdc++.so
/opt/intel/composerxe-2013.2.144/bin/sourcechecker/lib/ia32/pinruntime/libstdc++.so.6
/opt/intel/composerxe-2013.2.144/bin/sourcechecker/lib/ia32/pinruntime/libstdc++.so.6.0.10
/opt/intel/composerxe-2013.2.144/bin/sourcechecker/lib/ia32/pinruntime/libgcc_s.so.1
/opt/quake4/libstdc++.so.6
/opt/quake4/libgcc_s.so.1
/usr/local/games/sacred/lib/lib1/libstdc++.so.6
/usr/local/games/sacred/lib/lib1/libgcc_s.so.1
/usr/local/games/x2/lib/lib1/libstdc++.so.6
/usr/local/games/x2/lib/lib1/libgcc_s.so.1
/usr/local/games/postalx/postal2game/System/libstdc++.so.5
/usr/local/games/postalx/postal2game/System/libgcc_s.so.1
/usr/local/games/postalx/postal1game/libstdc++.so.5
/usr/local/games/postalx/postal1game/libgcc_s.so.1
/usr/local/games/aquaria/libstdc++.so.6
/usr/local/games/aquaria/libgcc_s.so.1
/usr/local/games/lugaru/libstdc++.so.6
/usr/local/games/lugaru/libgcc_s.so.1
/usr/local/games/survivor/lib32/libstdc++.so.6
/usr/local/games/survivor/lib32/libgcc_s.so.1
/usr/local/games/shadowgrounds/lib32/libstdc++.so.6
/usr/local/games/shadowgrounds/lib32/libgcc_s.so.1
/usr/local/games/coldwar/lib/libstdc++.so.6
/usr/local/games/coldwar/lib/libstdc++.so.6.0.8
/usr/local/games/postal2/System/libstdc++.so.5
/usr/local/games/postal2/System/libgcc_s.so.1
/usr/local/games/braid/libstdc++.so.6
/usr/local/games/braid/libgcc_s.so.1
/usr/local/games/testtool/lib/lib1/libstdc++.so.6
/usr/local/games/testtool/lib/lib1/libgcc_s.so.1
/usr/local/games/prey/libstdc++.so.5
/usr/local/games/prey/libgcc_s.so.1
/home/dscharrer/Games/Trine/lib32/libgcc_s.so.1
/home/dscharrer/Games/Trine/lib32/libstdc++.so.6
/home/dscharrer/Games/Trine/lib64/libstdc++.so.6

This has not been a problem in the past as system libraries (those you
effectively have to link against to make full use of the hardware) have
refrained from pulling in either of the GCC libraries. In fact, the only one I
found doing this besides mesa is XvMC:

$ for f in /lib/lib{dl,m,c,rt}.* /usr/lib/libasound* /usr/lib/libX*
/usr/lib/libxcb* /usr/lib/mesa/* /usr/lib/opengl/{ati,xorg-x11}/lib/libGL*
/usr/lib/libpulse* ; do ldd $f | grep -P '(libgcc|libstdc++)' | sed "s|^|$f: |"
; done
/usr/lib/libXvMCr600.so:        libstdc++.so.6 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libstdc++.so.6
(0x00007fb39b72e000)
/usr/lib/libXvMCr600.so:        libgcc_s.so.1 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libgcc_s.so.1
(0x00007fb39ae6c000)
/usr/lib/libXvMCr600.so.1:      libstdc++.so.6 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libstdc++.so.6
(0x00007f45d4a8f000)
/usr/lib/libXvMCr600.so.1:      libgcc_s.so.1 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libgcc_s.so.1
(0x00007f45d41cd000)
/usr/lib/libXvMCr600.so.1.0.0:  libstdc++.so.6 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libstdc++.so.6
(0x00007fc235d72000)
/usr/lib/libXvMCr600.so.1.0.0:  libgcc_s.so.1 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libgcc_s.so.1
(0x00007fc2354b0000)
/usr/lib/mesa/r200_dri.so:      libstdc++.so.6 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libstdc++.so.6
(0x00007ff45e80e000)
/usr/lib/mesa/r200_dri.so:      libgcc_s.so.1 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libgcc_s.so.1
(0x00007ff45df4c000)
/usr/lib/mesa/r300g_dri.so:     libstdc++.so.6 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libstdc++.so.6
(0x00007f69359b7000)
/usr/lib/mesa/r300g_dri.so:     libgcc_s.so.1 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libgcc_s.so.1
(0x00007f69350f5000)
/usr/lib/mesa/r600g_dri.so:     libstdc++.so.6 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libstdc++.so.6
(0x00007f37f0e61000)
/usr/lib/mesa/r600g_dri.so:     libgcc_s.so.1 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libgcc_s.so.1
(0x00007f37f059f000)
/usr/lib/mesa/radeon_dri.so:    libstdc++.so.6 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libstdc++.so.6
(0x00007f5528868000)
/usr/lib/mesa/radeon_dri.so:    libgcc_s.so.1 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libgcc_s.so.1
(0x00007f5527fa6000)
/usr/lib/mesa/radeonsi_dri.so:  libstdc++.so.6 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libstdc++.so.6
(0x00007f4021a96000)
/usr/lib/mesa/radeonsi_dri.so:  libgcc_s.so.1 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libgcc_s.so.1
(0x00007f40211d4000)
/usr/lib/mesa/swrast_dri.so:    libstdc++.so.6 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libstdc++.so.6
(0x00007f3bf7cc8000)
/usr/lib/mesa/swrast_dri.so:    libgcc_s.so.1 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libgcc_s.so.1
(0x00007f3bf7406000)
/usr/lib/mesa/swrastg_dri.so:   libstdc++.so.6 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libstdc++.so.6
(0x00007fd0b4263000)
/usr/lib/mesa/swrastg_dri.so:   libgcc_s.so.1 =>
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.0-pre9999/libgcc_s.so.1
(0x00007fd0b39a1000)

This search includes fglrx's libGL by the way: The proprietary AMD (and I'm
sure NVIDIA) drivers have long used C++ internally, but have taken care not to
pollute the global namespace with the C++ standard library or GCC helper
library. I think this shows even more precedent that these libraries should not
be considered safe to use in base system libraries without additional
precautions.

What you are doing here is introducing additional problems where none existed
before. Please reconsider statically linking libLLVM and required C++/GCC libs
into *_dri.so or finding some other solution to not conflict with programs
loading libGL. (An even stricter RTLD_LOCAL that completely namespaces libs
would be nice to have here …)

For reference, here are a few more bugs caused by this:
 #30192, #30901, #38182, #38783, #43964, #66955

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[Bug 78242] Steam cannot load mesa drivers (libGL error: driver pointer missing)

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https://bugs.freedesktop.org/show_bug.cgi?id=78242

--- Comment #5 from Emil Velikov <emil.l.velikov@gmail.com> ---
(In reply to comment #4)
> > It's a steam bug, not a mesa one
> 
> I disagree: this (naïvely linking LLVM) is a change in mesa that breaks many
> binary software packages, not just Steam. While the steam-runtime will
> likely get a fix for this at some point, some older games may not be so
> lucky.
>
I would say that both parties are to "blame" on this one. AFAICS the topic of
to ship libgcc_s/libstdc++ or not has always been a interesting one.

[snip]
> What you are doing here is introducing additional problems where none
> existed before.
>
I beg to disagree here. Mesa has linked against libgcc_s and libstdc++ since
forever. Whereas the static/shared linking against LLVM has always been a
configure time decision.

> Please reconsider statically linking libLLVM and required
> C++/GCC libs into *_dri.so or finding some other solution to not conflict
> with programs loading libGL. (An even stricter RTLD_LOCAL that completely
> namespaces libs would be nice to have here …)
> 
Static linking against gcc/c++ seems like a bit of a pain as libtool,
unconditionally appends "-lgcc -lgcc_s -lstdc++" (as defined by postdeps), thus
-Wl,--static.. and/or -static-lib{gcc,stdc++} does not really help.

If you have any solid suggestion please put them forward.

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