[Bug 1772471] Re: [SRU] Bug in SDL2 blocks Unity-based games

[Gianfranco Costamagna via ubuntu-bugs]

@mudinlove, this might be a different issue, please open a new bug.

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Title:
  [SRU] Bug in SDL2 blocks Unity-based games

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[Bug 1772471] Re: [SRU] Bug in SDL2 blocks Unity-based games

[Crazy Leung]

I still got similar issue when run CDDA:
---
./cataclysm-launcher 
dbus[6581]: arguments to dbus_message_new_method_call() were incorrect, 
assertion "path != NULL" failed in file ../../../dbus/dbus-message.c line 1362.
This is normally a bug in some application using the D-Bus library.

  D-Bus not built with -rdynamic so unable to print a backtrace
Aborted (core dumped)
---
I have upgraded the libsdl2 to this version (2.0.8+dfsg1-1ubuntu1.18.04.1):
---
apt-cache show libsdl2-2.0-0
Package: libsdl2-2.0-0
Architecture: i386
Version: 2.0.8+dfsg1-1ubuntu1.18.04.1
Multi-Arch: same
Priority: optional
Section: universe/libs
Source: libsdl2
Origin: Ubuntu
Maintainer: Ubuntu Developers 
Original-Maintainer: Debian SDL packages maintainers 

Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 1249
Depends: libasound2 (>= 1.0.27), libc6 (>= 2.27), libpulse0 (>= 0.99.1), 
libsndio6.1 (>= 1.1.0), libwayland-client0 (>= 1.9.91), libwayland-cursor0 (>= 
1.0.2), libwayland-egl1-mesa (>= 10.0.2) | libwayland-egl1, libx11-6 (>= 
2:1.2.99.901), libxcursor1 (>> 1.1.2), libxext6, libxi6 (>= 2:1.2.99.4), 
libxinerama1, libxkbcommon0 (>= 0.5.0), libxrandr2 (>= 2:1.2.99.3), libxss1, 
libxxf86vm1
Conflicts: libsdl-1.3-0
Replaces: libsdl-1.3-0
Filename: 
pool/universe/libs/libsdl2/libsdl2-2.0-0_2.0.8+dfsg1-1ubuntu1.18.04.1_i386.deb
Size: 383652
MD5sum: 9fda33c5f6ec98313f62ec3e0f6cfe36
SHA1: f1fc8a330baca873bf436316cce10a4ab831e0d8
SHA256: bcd85071947d8601e50e44c9008b9b4dac2765583ef6bf8c5fce7049bdf1751b
Homepage: https://www.libsdl.org/
Description-en: Simple DirectMedia Layer
 SDL is a library that allows programs portable low level access to a video
 framebuffer, audio output, mouse, and keyboard.
 .
 This version of SDL is compiled with X11 and Wayland graphics drivers and OSS,
 ALSA, sndio and PulseAudio sound drivers.
Description-md5: d559f821a8f0d5e89c678fe44650c80c
Task: kubuntu-desktop, kubuntu-full, lubuntu-gtk-desktop, lubuntu-desktop, 
lubuntu-qt-desktop, ubuntustudio-video, ubuntustudio-graphics, 
ubuntustudio-audio, ubuntukylin-desktop, ubuntu-budgie-desktop
Supported: 3y

Package: libsdl2-2.0-0
Architecture: i386
Version: 2.0.8+dfsg1-1ubuntu1
Multi-Arch: same
Priority: optional
Section: universe/libs
Source: libsdl2
Origin: Ubuntu
Maintainer: Ubuntu Developers 
Original-Maintainer: Debian SDL packages maintainers 

Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 1249
Depends: libasound2 (>= 1.0.27), libc6 (>= 2.27), libpulse0 (>= 0.99.1), 
libsndio6.1 (>= 1.1.0), libwayland-client0 (>= 1.9.91), libwayland-cursor0 (>= 
1.0.2), libwayland-egl1-mesa (>= 10.0.2) | libwayland-egl1, libx11-6 (>= 
2:1.2.99.901), libxcursor1 (>> 1.1.2), libxext6, libxi6 (>= 2:1.2.99.4), 
libxinerama1, libxkbcommon0 (>= 0.5.0), libxrandr2 (>= 2:1.2.99.3), libxss1, 
libxxf86vm1
Conflicts: libsdl-1.3-0
Replaces: libsdl-1.3-0
Filename: pool/universe/libs/libsdl2/libsdl2-2.0-0_2.0.8+dfsg1-1ubuntu1_i386.deb
Size: 383256
MD5sum: 013a266824586b6697d65c83fdbd37c6
SHA1: 4fbdf2acb5a110a8d375d6b490fb1d4421d097c6
SHA256: fa2e4d6a17baa887f450dd3cf59d985d9bab9095c4912887e53f3c4e6c78b785
Homepage: https://www.libsdl.org/
Description-en: Simple DirectMedia Layer
 SDL is a library that allows programs portable low level access to a video
 framebuffer, audio output, mouse, and keyboard.
 .
 This version of SDL is compiled with X11 and Wayland graphics drivers and OSS,
 ALSA, sndio and PulseAudio sound drivers.
Description-md5: d559f821a8f0d5e89c678fe44650c80c
Task: kubuntu-desktop, kubuntu-full, lubuntu-gtk-desktop, lubuntu-desktop, 
lubuntu-qt-desktop, ubuntustudio-video, ubuntustudio-graphics, 
ubuntustudio-audio, ubuntukylin-desktop, ubuntu-budgie-desktop
Supported: 3y

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Title:
  [SRU] Bug in SDL2 blocks Unity-based games

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[Bug 1772471] Re: [SRU] Bug in SDL2 blocks Unity-based games

[Robie Basak]

I'd prefer to see a verification report that includes the package
version string tested as requested before releasing to Artful please,
especially since there are multiple versions and an override involved
here, and people upgrading between them, which I think makes an error in
what I'm releasing vs. what was tested more likely.

Other SRU team members' views may vary.

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Title:
  [SRU] Bug in SDL2 blocks Unity-based games

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[Bug 1772471] Re: [SRU] Bug in SDL2 blocks Unity-based games

[Launchpad Bug Tracker]

This bug was fixed in the package libsdl2 - 2.0.8+dfsg1-1ubuntu1.18.04.1

---
libsdl2 (2.0.8+dfsg1-1ubuntu1.18.04.1) bionic; urgency=medium

  * debian/patches/SDL2-dynapi-symbol-resolution-fix.patch:
cherry-pick upstream fix for Unity-based games shipping bundled
libsdl2 version (LP: #1772471)
- thanks Ryan Gordon for the patch and help!

 -- Gianfranco Costamagna   Tue, 22 May 2018
09:24:20 +0200

** Changed in: libsdl2 (Ubuntu Bionic)
   Status: Fix Committed => Fix Released

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Title:
  [SRU] Bug in SDL2 blocks Unity-based games

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[Bug 1772471] Re: [SRU] Bug in SDL2 blocks Unity-based games

[Łukasz Zemczak]

Could you please check and write here which versions of libsdl2 have
been used during testing?

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Title:
  [SRU] Bug in SDL2 blocks Unity-based games

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[Bug 1772471] Re: [SRU] Bug in SDL2 blocks Unity-based games

[LocutusOfBorg via ubuntu-bugs]

I switched the main system to bionic, but forgot to update the bug

thanks!

** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic

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Title:
  [SRU] Bug in SDL2 blocks Unity-based games

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[Bug 1772471] Re: [SRU] Bug in SDL2 blocks Unity-based games

[Chris Halse Rogers]

Is this also verification-done for bionic? We can't release the artful
update until the bionic update is also ready (to avoid regressions when
people update from artful to bionic).

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Title:
  [SRU] Bug in SDL2 blocks Unity-based games

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[Bug 1772471] Re: [SRU] Bug in SDL2 blocks Unity-based games

[LocutusOfBorg via ubuntu-bugs]

I'm using it correctly

** Tags removed: verification-needed verification-needed-artful
** Tags added: verification-done verification-done-artful

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Title:
  [SRU] Bug in SDL2 blocks Unity-based games

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[Bug 1772471] Re: [SRU] Bug in SDL2 blocks Unity-based games

[Łukasz Zemczak]

Hello Ryan, or anyone else affected,

Accepted libsdl2 into bionic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/libsdl2/2.0.8+dfsg1-1ubuntu1.18.04.1
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-bionic to verification-done-bionic. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-bionic. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: libsdl2 (Ubuntu Bionic)
   Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-bionic

** Changed in: libsdl2 (Ubuntu Artful)
   Status: In Progress => Fix Committed

** Tags added: verification-needed-artful

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Title:
  [SRU] Bug in SDL2 blocks Unity-based games

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[Bug 1772471] Re: [SRU] Bug in SDL2 blocks Unity-based games

[Launchpad Bug Tracker]

This bug was fixed in the package libsdl2 - 2.0.8+dfsg1-1ubuntu2

---
libsdl2 (2.0.8+dfsg1-1ubuntu2) cosmic; urgency=medium

  * debian/patches/SDL2-dynapi-symbol-resolution-fix.patch:
cherry-pick upstream fix for Unity-based games shipping bundled
libsdl2 version (LP: #1772471)
- thanks Ryan Gordon for the patch and help!

 -- Gianfranco Costamagna   Tue, 22 May 2018
09:24:20 +0200

** Changed in: libsdl2 (Ubuntu)
   Status: Fix Committed => Fix Released

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Title:
  [SRU] Bug in SDL2 blocks Unity-based games

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[Bug 1772471] Re: [SRU] Bug in SDL2 blocks Unity-based games

[LocutusOfBorg via ubuntu-bugs]

** Description changed:

+ [ Impact ]
+ * people using unity3d and steam games, with bundled sdl2 libraries
  
+ [ Regression Potential ]
+ * Low, this is part of the upcoming new release, and the request comes from 
upstream
+ 
+ [ Steps to reproduce ]
  ("Unity" here refers to the video game engine at https://unity3d.com/ and not 
Ubuntu's Unity project.)
  
  There is a bug in SDL2 that causes Unity-based games to fail in certain
  configurations. The basic idea is that Unity is statically linked to
  SDL, and then a plugin also links dynamically to SDL, and the
  dynamically loaded version accidentally resolves an important symbol to
  the address in the statically linked version, causing chaos.
  
  You can see this happen in the game Firewatch (
  https://store.steampowered.com/app/383870/Firewatch/ ).
  
  This bug will trigger if the game dynamically loads an SDL2 version >
  2.0.5. Steam ships their own copy of SDL in their "steam runtime," but
  will favor a system-installed version if available, which means that
  Ubuntu is probably having this problem for users that have the libsdl2
  package installed since release 17.10, which is the first to ship SDL
  2.0.6.  Debian Stretch is still on 2.0.5 and probably not triggering
  this bug quite yet.
  
  The upstream fix is simple, and should apply cleanly to any SDL version
  that is 2.0.3 or later.
  
  https://hg.libsdl.org/SDL/rev/7babfecee045
  
  I _think_ all Unity titles are x86-64 binaries, so this doesn't affect
  every architecture, but the SDL2 patch is correct for any target worth
  pushing an update for.
  
  This fix will be in SDL 2.0.9, but we don't have a timetable for that
  release yet, so I thought it might be worth encouraging distros to apply
  that one patch to their current SDL2 packages in the meantime, to make
  sure Firewatch and other games work out of the box.
  
  Steps to Reproduce:
  1. Install x86-64 Ubuntu 17.10 or later
  2. Install Ubuntu's libsdl2 package.
  3. Install Steam ( https://store.steampowered.com/ or maybe a distro-specific 
package )
  3. Install Firewatch via Steam (if you need a copy, we can supply it)
  4. Launch Firewatch
  
- Actual Results:  
+ Actual Results:
  Game launches, possibly makes an OpenGL window without rendering anything 
into it, and then either crashes or hangs indefinitely. Be prepared to kill the 
process if necessary.
  
- Expected Results:  
+ Expected Results:
  Game launches and gets to its main menu.
  
  One can also bypass this bug with the environment variable
  SDL_DYNAMIC_API=/path/to/where/ubuntu/installed/libSDL2-2.0.so.0, but
  we'd encourage you to just update the SDL package with the patch.
  
  Thanks for your time!
  
  --ryan.

** Changed in: libsdl2 (Ubuntu Artful)
   Status: New => In Progress

** Changed in: libsdl2 (Ubuntu Bionic)
   Status: New => In Progress

** Changed in: libsdl2 (Ubuntu Bionic)
 Assignee: (unassigned) => LocutusOfBorg (costamagnagianfranco)

** Changed in: libsdl2 (Ubuntu Artful)
 Assignee: (unassigned) => LocutusOfBorg (costamagnagianfranco)

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Title:
  [SRU] Bug in SDL2 blocks Unity-based games

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[Bug 1772471] Re: [SRU] Bug in SDL2 blocks Unity-based games

[LocutusOfBorg via ubuntu-bugs]

** Summary changed:

- Bug in SDL2 blocks Unity-based games
+ [SRU] Bug in SDL2 blocks Unity-based games

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Title:
  [SRU] Bug in SDL2 blocks Unity-based games

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