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Steam Controller Not Emulating Gamepads Through Steam
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Description

Hey, there.

So basically, when you use a Steam Controller, you can bind and remap buttons and inputs on the controller to keys or buttons on a normal gamepad (so you can customize any game controls). The problem comes in because under Solus, the Steam Controller will not emulate any gamepad inputs that you assign. This is an issue that has arisen on different distros in my time using Linux - seems like it's something to do with uinput rules?

Here's my notes:

Starting with terminal shows that Steam couldn’t open /dev/uinput for writing. The exact error is this bit:

Steam Controller reserving XInput slot 0
Couldn't initialize virtual gamepad: Couldn't open /dev/uinput for writing

With the full error being found here on pastebin.

In its starting state, the controller didn't run too stably, and would sometimes drop out when browsing the menus in Big Picture Mode.

Switching to Steam’s beta branch helped the controller to remain stable, but did nothing for joystick emulation.

Turning off Linux Steam Integration to use Valve’s Steam Client didn’t help – it just made the Steam Overlay not grab onto the game windows.

Restarting my computer didn't fix the issue either.

Note that I'm using Solus 1.2.1 64-bit, the latest Steam beta, and a wired Steam Controller, updated to the latest firmware. Games tested: Nuclear Throne, CrossCode, and Hyper Light Drifter

Event Timeline

Just happened to catch a post on Reddit mentioning a steam-devices package in Ubuntu specifically for udev rules.

I know that Debian / Ubuntu are unrelated to Solus, but if this package adds the solution, maybe Solus could add a similar package. Or just add the udev rules directly in an update.

Anyway, just wanted to bring it to attention.

DataDrake triaged this task as Normal priority.Oct 29 2016, 3:19 AM
DataDrake closed this task as Resolved.Nov 29 2016, 7:21 PM
DataDrake claimed this task.
DataDrake added a subscriber: DataDrake.

Should be fixed per T1386: Steam Controller does not work in Rocket League with default udev rules. Feel free to reopen if it still isn't working after the update to Release 6.