Karabiner-elements: completely naffs my system

[astathedog]

been using karabiner elements for a few months without issue to enable caps lock after an os update deprecated it, but since a karabiner update a couple weeks ago karabiner slows my system to a grinding halt -- slow keyboard input, beachballs, hangs, etc.

the stoppage begins immediately upon opening karabiner, and even after i quit the app the system is still screwed up until a reboot in safe mode

this is with 10.12.2 on a mac pro and apple extended keyboard ii with an imate, using karabiner 90.83 thru 90.79 or so

[andersonjw]

I have seen similar issues. I sometimes experience the slow keyboard input and hangs. Removing the imate from the usb port and reinserting it normally fixes the issue.

I am also seeing a constant stream of the following error in the log:
[2017-01-26 21:06:03.175] [error] [grabber] IOHIDDeviceSetValue error -536870184 for iMate, USB To ADB Adaptor @ ___ZN22human_interface_device23set_caps_lock_led_stateEN4krbn9led_stateE_block_invoke

My configuration is similar: MacOS 10.12.3 with an awesome Apple Extended Keyboard II, imate adb to usb adapter, and Karabiner-Elements 0.90.84.

Glad to provide any additional info or test.

[gusutabopb]

Hi, I have also been experiencing some issues in the last few days. Mostly keys seem to get "stuck" from time to time, resulting in entering the same key tens of times (something like thiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiisssss).

Like jwanderson I am also seeing some errors on the logs. For example:

[2017-02-01 18:54:35.564] [error] [grabber] IOHIDDeviceSetValue error -536870186 for USB Keyboard @ ___ZN22human_interface_device23set_caps_lock_led_stateEN4krbn9led_stateE_block_invoke
[2017-02-01 19:12:23.535] [error] [grabber] IOHIDDeviceSetValue error -536870186 for USB Keyboard @ ___ZN22human_interface_device23set_caps_lock_led_stateEN4krbn9led_stateE_block_invoke

I use a FILCO Majestouch NINJA mechanical keyboard attached to my mid 2014 Macbook Pro via my Dell P2715Q monitor's USB hub.

EDIT: I believe this issue is the same as in #619

[zhuangya]

looks like the log is generated by this line:

https://github.com/tekezo/Karabiner-Elements/blob/682d43ca682b83e7c54ae76e5eaa556d8fe8538b/src/share/human_interface_device.hpp#L234

[KevinKrause]

+1 for the hanging and sticking issue, also with M3501 on iMate. Normal operation resumes for some time when I unplug and re-plug the iMate.
The iMate has a small LED that lights up when a key is pressed. With Karabiner running, this LED flashes about once per second, even when no key is pressed. LED flashing stops once I quit Karabiner.
The issues occur with 0.90.86 and about two versions before that, all on macOS Sierra 10.12.3.

[mrchimp]

I'm having the same issue as @gusutabopb I'm also using a Filco Ninja.

[2017-02-22 10:04:31.980] [info] [console_user_server] system_preferences::values is updated.
[2017-02-22 11:21:53.728] [error] [grabber] IOHIDDeviceSetValue error -536854447 for USB Keyboard @ ___ZN22human_interface_device23set_caps_lock_led_stateEN4krbn9led_stateE_block_invoke
[2017-02-22 14:02:49.256] [error] [grabber] IOHIDDeviceSetValue error -536854447 for USB Keyboard @ ___ZN22human_interface_device23set_caps_lock_led_stateEN4krbn9led_stateE_block_invoke
[2017-02-22 15:19:36.062] [error] [grabber] IOHIDDeviceSetValue error -536854447 for USB Keyboard @ ___ZN22human_interface_device23set_caps_lock_led_stateEN4krbn9led_stateE_block_invoke
[2017-02-22 17:58:12.704] [error] [grabber] IOHIDDeviceSetValue error -536854447 for USB Keyboard @ ___ZN22human_interface_device23set_caps_lock_led_stateEN4krbn9led_stateE_block_invoke
[2017-02-22 18:01:45.560] [error] [grabber] IOHIDDeviceSetValue error -536854447 for USB Keyboard @ ___ZN22human_interface_device23set_caps_lock_led_stateEN4krbn9led_stateE_block_invoke
[2017-02-22 19:40:27.348] [error] [grabber] IOHIDDeviceSetValue error -536854447 for USB Keyboard @ ___ZN22human_interface_device23set_caps_lock_led_stateEN4krbn9led_stateE_block_invoke
[2017-02-23 10:02:38.141] [info] [grabber] version 0.90.86

[MagicAl6244225]

Same issue persists though v.0.90.92. I'm using an Apple Extended Keyboard M0115 with an iMate on macOS Sierra 10.12.3. After testing each new version of K-E I revert to v.0.90.73 to avoid the issue.

[leoskyrocker]

Experienced similar issue.
I connect my bluetooth keyboard (and yeah.. it's a Filco Majestouch 2, not a Ninja tho) at work with my Macbook Pro's built in bluetooth and a bluetooth mouse with a dongle (not an imate, just some generic brand).
As I disconnect my keyboard, I experienced the slowness, but the problem is solved by removing the mouse usb dongle.
Need to investigate more for the exact STR..

[sschwinghammer]

@NemWan how are you reverting to 0.90.73? Did you get your hands on old DMGs or are you compiling yourself?

[MagicAl6244225]

I still had it in my downloads folder.

[sschwinghammer]

Do you still? Can I get a copy?

On Tue, Apr 25, 2017 at 12:55 PM, NemWan [e-mail] wrote:

I still had it in my downloads folder.

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[MagicAl6244225]

https://drive.google.com/open?id=0Bz4iQsePMy2sNDFUNFNJclhaS1U

Tell me after you got it.

[sschwinghammer]

Got it. You're amazing. Thanks

On Tue, Apr 25, 2017 at 4:48 PM, NemWan [e-mail] wrote:

https://drive.google.com/open?id=0Bz4iQsePMy2sNDFUNFNJclhaS1U

Tell after you got it.

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[MagicAl6244225]

Still testing new versions with iMate/Apple Extended Keyboard and the issue persists through 0.91.6. Non-stop errors in the log: IOHIDDeviceOpen error: kIOReturnBadArgument (-536870206). Reverting to 0.90.73 as a workaround is basically living without the caps lock key since it doesn't detect caps lock in the EventViewer, but doesn't have the errors and slowdowns either.

[MagicAl6244225]

Version 0.91.8 with iMate/Apple Extended Keyboard. Log repeats error every several seconds:
[2017-07-20 10:55:22.789] [error] [grabber] IOHIDDeviceSetValue error -536850432 for iMate, USB To ADB Adaptor (device_id:2) @ ___ZN4krbn22human_interface_device23set_caps_lock_led_stateENS_9led_stateE_block_invoke

[stevko]

Version 0.91.12 with iMate and Apple Extended Keyboard. In my case, the keyboard doesn't precisely stop responding - it will occasionally spit out a bunch of keystrokes after a long and unpredictable delay. However, I still get the LED on the iMate twitching regularly, a symptom that stops when I quit Elements. I also get regular errors in the log.

Slightly different error than others have listed, coming between about 3 and 12 times per minute:

[2017-07-29 16:05:09.951] [info] [grabber] system_preferences_values_updated
[2017-07-29 16:05:09.951] [info] [console_user_server] system_preferences::values is updated.
[2017-07-29 15:20:42.743] [error] [grabber] IOHIDDeviceSetValue error -536850432 for iMate, USB To ADB Adaptor (device_id:3) @ IOReturn krbn::human_interface_device::set_caps_lock_led_state(krbn::led_state)_block_invoke

[MagicAl6244225]

Confirming what stevko is seeing.

[gusutabopb]

I am using 11.1.0 now, and the error persists. Error logs are still basically the same:

[2017-10-16 19:23:53.745] [error] [grabber] IOHIDDeviceSetValue error -536870186 for USB Keyboard (device_id:14) @ IOReturn krbn::human_interface_device::set_caps_lock_led_state(krbn::led_state)_block_invoke

[MagicAl6244225]

11.3.0 — getting closer! Still seeing errors but they look less urgent and are slightly less frequent, at lest at first. This repeats in the logs every few/couple minutes:

[info] [grabber] Load karabiner.json...
[info] [grabber] core_configuration is updated.
[info] [console_user_server] Load karabiner.json...
[info] [grabber] iMate, USB To ADB Adaptor (device_id:3) is ignored.
[info] [grabber] Symbol Bar Code Scanner (device_id:1) is ignored.
[info] [console_user_server] core_configuration is updated.

Caps Lock (and the Caps Lock LED) works. But there is eventuallyl keyboard lag or non-functionality requiring the Griffin iMate to be unplugged and re-plugged in. This is the best it has worked since 0.90.73 which has no lag and works indefinitely but also has no caps lock. I can no longer successfully reinstall 0.90.73 so I guess there's no going back now.

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