[Bug 1798583] Re: the new Steam Controller driver breaks it on Steam

I'm not going to make a recommendation one way or another.

While Steam is active, Steam's input subsystem takes care of the
controller. This sounds like something to ask Mr. Costa from the
upstream kernel bug report.

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https://bugs.launchpad.net/bugs/1798583

Title:
the new Steam Controller driver breaks it on Steam

Status in Linux:
Confirmed
Status in linux package in Ubuntu:
Fix Released

Bug description:
===SRU Justification===
[Impact]
New steam-hid driver breaks Unity games.

[Fix]
Quote from the commit message:
"With this commit, when a HID client starts, the input device is removed;
when the HID client ends the input device is recreated."

[Test]
A guy from Valve comfirms the backport works.

[Regression Potential]
Low. This fix is specific to hid-steam, which is a new driver introduced
in v4.18.

===Original Bug Report===
The new hid_steam driver in kernel 4.18 breaks the use of it within Steam.

Games either:
- Crash
- Don't detect it at all
- Only pick it up as player 2

To get it working as normal, it needs blacklisting currently.

See here: https://www.gamingonlinux.com/articles/the-steam-controller-
on-ubuntu-1810-and-other-distributions-using-linux-kernel-418-needs-
quick-a-fix.12775

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: linux-image-4.18.0-10-generic 4.18.0-10.11
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC2: liam 2492 F.... pulseaudio
 /dev/snd/controlC0: liam 2492 F.... pulseaudio
 /dev/snd/controlC1: liam 2492 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 18 12:49:44 2018
InstallationDate: Installed on 2017-10-18 (364 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171017.1)
IwConfig:
 lo no wireless extensions.

 enp5s0 no wireless extensions.

 eno1 no wireless extensions.
MachineType: ASUS All Series
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-10-generic root=UUID=2a8676f3-0045-4e66-9cd1-186ffc6a8c2a ro quiet splash vt.handoff=1
RelatedPackageVersions:
 linux-restricted-modules-4.18.0-10-generic N/A
 linux-backports-modules-4.18.0-10-generic N/A
 linux-firmware 1.175
RfKill:

SourcePackage: linux
UpgradeStatus: Upgraded to cosmic on 2018-10-18 (0 days ago)
dmi.bios.date: 08/10/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1901
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: SABERTOOTH X99
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: PCS
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1901:bd08/10/2015:svnASUS:pnAllSeries:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnSABERTOOTHX99:rvrRev1.xx:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: ASUS MB
dmi.product.name: All Series
dmi.product.sku: All
dmi.product.version: System Version
dmi.sys.vendor: ASUS

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