KSP won't launch on arch linux

[nobled]

I recently installed KSP on my arch linux laptop (System 76 Galago, i7-4750HQ, 16 GB RAM, intel iris pro 5200) via steam.  I installed a few addons and launched it.  The game started for a little bit, showed something about installing add-ons and then crashed.  After that when I try to launch the game from steam nothing appears to happen.  When I try and launch it from the command line with ./KSP.x86 or ./KSP.x86_64 I see the following at the terminal before the program exits:

Set current directory to /home/darren/.local/share/Steam/SteamApps/common/Kerbal Space Program
Found path: /home/darren/.local/share/Steam/SteamApps/common/Kerbal Space Program/KSP.x86_64
Mono path[0] = '/home/darren/.local/share/Steam/SteamApps/common/Kerbal Space Program/KSP_Data/Managed'
Mono path[1] = '/home/darren/.local/share/Steam/SteamApps/common/Kerbal Space Program/KSP_Data/Mono'
Mono config path = '/home/darren/.local/share/Steam/SteamApps/common/Kerbal Space Program/KSP_Data/Mono/etc'
displaymanager : xrandr version warning. 1.5
displaymanager : trying .X11-unix
client :0 has 1 screens
displaymanager screen (0): 1920 x 1080
Using libudev for joystick management


Importing game controller configs

I then tried deleting the game and reinstalling it (without addons) and now the same thing still happens (I just see the above text in the terminal).  I've also verified the game data and that hasn't found anything.  I even deleted the game and redownloaded it one more time (again leaving it stock) and still it won't launch.  The game doesn't create a new window and I don't get a KSP.log file, I just see the text from above in the terminal.  The arch linux wiki mentions launching the game with "LC_ALL=C" so I've tried both "LC_ALL=C ./KSP.x86_64" and "LC_ALL=C ./KSP.x86"  I also do have pulse audio running and the  ttf-ms-fonts package installed from the AUR.  Also I'm running Awesome WM for my window manager if that matters.  Does anyone have any ideas on how I can get this to run on my machine?

Edited July 3, 2016 by nobled

[sal_vager]

Hi @nobled, can you locate the player/log file, it should be in .config/unity3d/Squad/Kerbal Space Program/

It should show the graphics card and driver that Unity detected, this is what mine looks like.

Spoiler

Desktop is 1920 x 1080 @ 60 Hz
Initialize engine version: 5.2.4f1 (98095704e6fe)
GfxDevice: creating device client; threaded=1
GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX: 1048576
OpenGL:
    Version:  OpenGL 4.5 [4.5.0 NVIDIA 361.45.18]
    Renderer: GeForce GTX 650/PCIe/SSE2
    Vendor:   NVIDIA Corporation
    VRAM:     1024 MB
    Extensions: GL_AMD_multi_draw_indirect

Also if it doesn't get past this line then it's Unity crashing before KSP loads.

Quote

Begin MonoManager ReloadAssembly

This usually occurs when Unity cannot start the graphics engine, and can be worked around by using the -force-glcore command line argument to force Unity to redetect your OpenGL version.

[nobled]

Here is the entire contents of my Player.log:

 

Selecting FBConfig
GLX_FBCONFIG_ID=121
GLX_BUFFER_SIZE=32
GLX_DOUBLEBUFFER=1
GLX_RED_SIZE=8
GLX_GREEN_SIZE=8
GLX_BLUE_SIZE=8
GLX_ALPHA_SIZE=8
GLX_DEPTH_SIZE=24
GLX_STENCIL_SIZE=8
GLX_SAMPLES_ARB=0
GLX_SAMPLE_BUFFERS_ARB=0
GLX_CONFIG_CAVEAT=NONE

Desktop is 1920 x 1080 @ 60 Hz
Invalid resolution: 2 x 1058
Failed to initialize ScreenManager

I also tried using -force-glcore after I posted this question and it didn't do anything.

[nobled]

I found the solution.  I had to delete the file ~/.config/unity3d/Squad/Kerbal Space Program/prefs and then when I ran "LC_ALL=C ./KSP.x86_64" it ran fine.  I'm not sure what was wrong with my prefs file, but I'm guessing it had to do with the "Invalid resolution: 2 x 1058" line in my Player.log

[gromain]

I do have the exact same problem.

This problem arose after I tried to change the KSP window to my second screen. The window got instantly really tiny. I had to close KSP and when I tried to launch it again, I would have the exact same problem.

 

The file ~/.config/unity3d/Squad/Kerbal Space Program/prefs shows screen size at 0. I had to delete the file and start it again.

 

I also have to use -force-glcore so I can have text displayed in in-game screen (installing ttf-ms-fonts or ttf-freefonts makes the game crash on startup, but this is another matter entirely that will get its own bug report).

[sundaero]

Same problem here. And it was so for a quite long time already. It started ~ after the 1.0 release.

I tried to do the same things as @nobled suggested, but seems like it does not help.

If try to launch KSP from the Stem, the console output is:

Game update: AppID 220200 "Kerbal Space Program", ProcID 3970, IP 0.0.0.0:0
ERROR: ld.so: object '/home/sundaero/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
ERROR: ld.so: object '/home/sundaero/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
Found path: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP.x86_64
Mono path[0] = '/mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed'
Mono path[1] = '/mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Mono'
Mono config path = '/mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Mono/etc'
displaymanager : xrandr version warning. 1.4
client has 2 screens
displaymanager screen (0)(DVI-I-3): 1920 x 1080
Using libudev for joystick management


Importing game controller configs
Game removed: AppID 220200 "Kerbal Space Program", ProcID 3970 
No cached sticky mapping in ActivateActionSet.

 

In the folder '~/.config/unity3d/Squad/Kerbal Space Program' I don't have anything else except Player.log file

After launching 'SteamLibrary/steamapps/common/Kerbal Space Program$ LC_ALL=C ./KSP.x86_64', console output is:

Set current directory to /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program
Found path: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP.x86_64
Mono path[0] = '/mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed'
Mono path[1] = '/mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Mono'
Mono config path = '/mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Mono/etc'
displaymanager : xrandr version warning. 1.5
client has 2 screens
displaymanager screen (0)(DVI-I-3): 1920 x 1080
Using libudev for joystick management


Importing game controller configs
Aborted (core dumped)

 

And the ~/.config/unity3d/Squad/Kerbal Space Program/Player.log file is

Stacktrace:


Native stacktrace:

	/mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Mono/x86_64/libmono.so(+0x91772) [0x7ff812721772]
	/mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Mono/x86_64/libmono.so(+0x348e4) [0x7ff8126c48e4]
	/usr/lib/libpthread.so.0(+0x10f00) [0x7ff8158a7f00]
	./KSP.x86_64() [0xb4acfa]
	./KSP.x86_64() [0xb05b0e]
	./KSP.x86_64() [0xb07352]
	./KSP.x86_64() [0xb07717]
	./KSP.x86_64() [0x7f9ec9]
	./KSP.x86_64() [0x75ed82]
	./KSP.x86_64() [0x7352b9]
	./KSP.x86_64() [0x72f784]
	./KSP.x86_64() [0x72ffba]
	./KSP.x86_64() [0x54bb52]
	./KSP.x86_64() [0x72a665]
	./KSP.x86_64() [0x461dd1]
	/usr/lib/libc.so.6(__libc_start_main+0xf1) [0x7ff81409e741]
	./KSP.x86_64() [0x46b4ed]

Debug info from gdb:

ptrace: Operation not permitted.
No threads.

=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries 
used by your application.
=================================================================

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GLX Extensions: GLX_EXT_visual_info GLX_EXT_visual_rating GLX_SGIX_fbconfig GLX_SGIX_pbuffer GLX_SGI_video_sync GLX_SGI_swap_control GLX_EXT_swap_control GLX_EXT_swap_control_tear GLX_EXT_texture_from_pixmap GLX_EXT_buffer_age GLX_ARB_create_context GLX_ARB_create_context_profile GLX_EXT_create_context_es_profile GLX_EXT_create_context_es2_profile GLX_ARB_create_context_robustness GLX_NV_delay_before_swap GLX_EXT_stereo_tree GLX_ARB_context_flush_control GLX_NV_robustness_video_memory_purge GLX_ARB_multisample GLX_NV_float_buffer GLX_ARB_fbconfig_float GLX_EXT_framebuffer_sRGB GLX_NV_multisample_coverage GLX_NV_copy_image GLX_ARB_get_proc_address 
Setting maxVSyncInterval to 4
GL: Detected 1024 MB VRAM
FMOD failed to get number of drivers ... An error occured that wasn't supposed to.  Contact support. 
 
(Filename:  Line: 533)

Begin MonoManager ReloadAssembly
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/UnityEngine.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/UnityEngine.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/Assembly-CSharp-firstpass.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/Assembly-CSharp-firstpass.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/Assembly-CSharp.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/Assembly-CSharp.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/Assembly-UnityScript-firstpass.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/Assembly-UnityScript-firstpass.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/Assembly-UnityScript.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/Assembly-UnityScript.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/UnityEngine.UI.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/UnityEngine.UI.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/UnityEngine.Networking.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/UnityEngine.Networking.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/KSPCore.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/KSPCore.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/KSPUtil.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/KSPUtil.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/SaveUpgradePipeline.Core.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/SaveUpgradePipeline.Core.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/MiscUtil-r285.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/MiscUtil-r285.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/Mono.Cecil.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/Mono.Cecil.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/KSPAssets.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/KSPAssets.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/TrackIRUnity.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/TrackIRUnity.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/Vectrosity.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/Vectrosity.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/xmldiffpatch.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/xmldiffpatch.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/XmlDiffPatch.View.dll (this message is harmless)
Loading /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/XmlDiffPatch.View.dll into Unity Child Domain
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/System.Core.dll (this message is harmless)
- Completed reload, in  0.063 seconds
Default vsync count 0
requesting resize 1280 x 720
resizing window to 1280 x 720
Desktop is 1920 x 1080 @ 60 Hz
Using libudev for joystick management


Importing game controller configs
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/System.dll (this message is harmless)
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/Boo.Lang.dll (this message is harmless)
Platform assembly: /mnt/AGHOME/sundaero/games/SteamLibrary/steamapps/common/Kerbal Space Program/KSP_Data/Managed/System.Xml.dll (this message is harmless)
The referenced script on this Behaviour is missing!
 
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The referenced script on this Behaviour is missing!
 
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The referenced script on this Behaviour is missing!
 
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The referenced script on this Behaviour is missing!
 
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The referenced script on this Behaviour is missing!
 
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The referenced script on this Behaviour is missing!
 
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Can I get some help here? Any hints?

Too bad that I have to switch to Windows every time I want to play the KSP. Linux support was one of the reasons, why I bought this game.

[azander]

I too experience this problem.  OpenSuse Linux 64bit. 

Modded and unmodded.  No log files generated before it causes the issue.

The only file that gets created is the pref file.  I've had to create a bash script to auto-delete it before starting just to make the game playable.  So far nobody has an answer.   I've tried all of the above, and still get similar results.

[radonek]

How about symlinking the damn thing to /dev/null?
 

[Adrellias]

Hi, 

So after finding this post, and digging around a bit myself. I finally got KSP to work on arch for me.

Basically KSP did not want to start because of the below error. 

FMOD failed to get number of drivers ... An error occured that wasn't supposed to.  Contact support. 

I dug around a bit and figured out from the below post that pulseaudio wasn't runing.

http://forum.unity3d.com/threads/failed-to-get-number-of-drivers.377026/

To solve it on my build i did the following.

# You only have to do the below once
sudo pacman -S pulseaudio-alsa
# You only have to do the above once
pulseaudio --start
cd ~/.steam/steam/steamapps/common/Kerbal Space Program/
LC_ALL=C ./KSP.x86_64

So to fix it permanently i think you would need to make sure the pulseaudio service starts at boot. Please do let me know if this fixes your issue.

 

[sal_vager]

Thanks @Adrellias, players can also try pulsenomore by kspflo, though this is a unity bug that is fixed in later Unity versions, such as those used by KSP 1.2

[Kerbal101]

On 7/5/2016 at 9:53 PM, nobled said:

I found the solution.  I had to delete the file ~/.config/unity3d/Squad/Kerbal Space Program/prefs and then when I ran "LC_ALL=C ./KSP.x86_64" it ran fine.  I'm not sure what was wrong with my prefs file, but I'm guessing it had to do with the "Invalid resolution: 2 x 1058" line in my Player.log

 

This is not a solution, rather than part of it. The core issue is incorrect detection of OpenGL features on Mesa, hence weird window sizes. Sometimes it starts, but if you go to Settings from Mainmenu, most of the text will be blank.

You should run KSP with parameter -force-glcore33 / -force-glcore32 / -force-glcore31. Try each at least 3 times. When KSP starts it helps to "click" inside its newly opened black window. If it fails - delete prefs each time. Once you found the option that draws correct text in settings, you can go set Settings and keep this option for launch permanently. 

Rumors are 1.2 should solve this.

[sal_vager]

1 hour ago, Kerbal101 said:

Rumors are 1.2 should solve this.

There are a number of problems, the one with pulseaudio should be fixed, so should the issue of missing text, these issues were Unity engine bugs that have been addressed by Unity technologies.

The weird window sizes is another Unity engine bug, sadly it is not fixed in Unity so far, not even in the latest version 5.5

[Kerbal101]

On 9/21/2016 at 4:44 PM, sal_vager said:

There are a number of problems, the one with pulseaudio should be fixed, so should the issue of missing text, these issues were Unity engine bugs that have been addressed by Unity technologies.

The weird window sizes is another Unity engine bug, sadly it is not fixed in Unity so far, not even in the latest version 5.5

Yes, but absence of text and bad window size both vanish with forced gl level.
I think this is really Mesa bug, because current stable Mesa is half-way between OpenGL3.3 and OpenGL4.5.

I have tried experimenting with forcing (-1) window size. This gives free antialiasing without performance impact (!!!) - everything becomes smooth! But the burn indicator -  in map view looses its "alpha" channel and large "burn triangle fan-strip" is visible. Also it resets the window on next restart to random values.

With forced GL to 3.2 (on current Debian Stable backports, mesa 11.x), both problems simply vanish.
Without - both are very evident and repeatable with 100% chance.

Also, speaking of bugs, KSP crashes sometimes (1-2 times in 12 hours). Fixed by reloading, no big deal.

And every third start - gets blackscreen, all the way through initial Squad logo to menu, with background music playing. The mouse pointer is also correct - KSP-one. Apparently the chances to get black screen become very low if I click within newly created window right from start. It is, as if sometimes KSP fails to get window focus and starts rendering on wrong (?) display.

 

Finally, KSP 1.1.3 has a new part limit around 2000, when fps go below 5fps and starts to drastically sink. At (some really weird craft with) 3200 parts, the performance is around 0.5 fps. BUT in the debug screen in fps graph, the fps rate never goes below 25 fps! I think this may be rendering bottleneck as physics are not calculated in VAB/SPH (?).  Still MUCH better than 1.0.5, with approx. 200 parts max.

[sal_vager]

It might be a mesa bug, from what I've found out so far some drivers don't like Unity's stencilling.

There may be a brand new bug in Unity5.4.0, I keep finding that KSP 1.2 pre-release crashes with a segfault when I switch workspaces.

[Kerbal101]

On 9/22/2016 at 11:41 PM, sal_vager said:

It might be a mesa bug, from what I've found out so far some drivers don't like Unity's stencilling.

There may be a brand new bug in Unity5.4.0, I keep finding that KSP 1.2 pre-release crashes with a segfault when I switch workspaces.

Its fixed for me with Mesa12/LLVM3.8.1 (Linux Kernel 4.6.4-1~bpo8+1) on KSP 1.1.3 (stable); OS: Debian Stable / backports on kernel/mesa/libgl* enabled.

Routine upgrade to Mesa12 fixed it. More here.
 

Btw "It is unfortunately, KSP on Linux just doesn't work with open source drivers.", been using only opensource drivers with HD5850 and they are supporting KSP way better than catalyst. Its just Unity5 asking for too much too soon.

[sal_vager]

Things change in 6 months, for example now the drivers work better for KSP

[Kerbal101]

30 minutes ago, sal_vager said:

Things change in 6 months, for example now the drivers work better for KSP

Well, the Catalyst is about to be abandoned anyway in favor of amdgpu+, so all the pre hd7xxx cards will be running an open driver. And all post-hd7xxx cards will be running opendriver with optional  proprietary spice

Edited September 29, 2016 by Kerbal101
the "+/-pro" in amdgpu will be optional

[sal_vager]

Yep, I'm tempted to get an RX 480 now as well...