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List: linux-input
Subject: Re: 4.18 regression: composite usb mouse/keyboard went mad
From: Harald Dunkel <harri () afaics ! de>
Date: 2018-11-04 8:15:20
Message-ID: 2f9ee0ec-a876-a070-6e62-43eb7a4a2efd () afaics ! de
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On 11/2/18 5:55 PM, Michel Hermier wrote:
>
> Hi,
> The device embed a descriptor of it's capabilities. So there is no need for
> the device to have a specific entry in the kernel. That said the
> descriptor, its interpreter in linux or some other logic can be broken. So
> try to bisect the kernel, to help diagnose when things broke.
>
There are 5839 commits wrt drivers/input between 4.17 and 4.18-rc1. Thats
a lot of stuff to bisect. I would suggest to look closely first.
Is there some way to examine these capabilities in /sys? Maybe the gyroscopic
mouse was falsely recognized as some touchpad or joystick device?
Below you can see what I get in
/sys/devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1.3/4-1.3:1.0/0003:2389:00A8*
(If you wonder what this device looks like, just google for
T3 MX3 X8 2.4GHz Fly Air Mouse Mini Keyboard
)
Every helpful comment is highly appreciated
Regards
Harri
# ls -alR /sys/devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1.3/4-1.3:1.0/0003:2389:00A8*
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003:
total 0
drwxr-xr-x 5 root root 0 Nov 4 09:04 .
drwxr-xr-x 5 root root 0 Nov 4 09:04 ..
-r--r--r-- 1 root root 4096 Nov 4 09:04 country
lrwxrwxrwx 1 root root 0 Nov 4 09:04 driver -> \
../../../../../../../../bus/hid/drivers/hid-generic drwxr-xr-x 3 root root 0 Nov \
4 09:04 hidraw drwxr-xr-x 5 root root 0 Nov 4 09:04 input
-r--r--r-- 1 root root 4096 Nov 4 09:04 modalias
drwxr-xr-x 2 root root 0 Nov 4 09:04 power
-r--r--r-- 1 root root 4096 Nov 4 09:04 report_descriptor
lrwxrwxrwx 1 root root 0 Nov 4 09:04 subsystem -> ../../../../../../../../bus/hid
-rw-r--r-- 1 root root 4096 Nov 4 09:04 uevent
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/hidraw:
total 0
drwxr-xr-x 3 root root 0 Nov 4 09:04 .
drwxr-xr-x 5 root root 0 Nov 4 09:04 ..
drwxr-xr-x 3 root root 0 Nov 4 09:04 hidraw2
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/hidraw/hidraw2:
total 0
drwxr-xr-x 3 root root 0 Nov 4 09:04 .
drwxr-xr-x 3 root root 0 Nov 4 09:04 ..
-r--r--r-- 1 root root 4096 Nov 4 09:04 dev
lrwxrwxrwx 1 root root 0 Nov 4 09:04 device -> ../../../0003:2389:00A8.0003
drwxr-xr-x 2 root root 0 Nov 4 09:04 power
lrwxrwxrwx 1 root root 0 Nov 4 09:04 subsystem -> \
../../../../../../../../../../class/hidraw
-rw-r--r-- 1 root root 4096 Nov 4 09:04 uevent
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/hidraw/hidraw2/power:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 3 root root 0 Nov 4 09:04 ..
-rw-r--r-- 1 root root 4096 Nov 4 09:04 async
-rw-r--r-- 1 root root 4096 Nov 4 09:04 autosuspend_delay_ms
-rw-r--r-- 1 root root 4096 Nov 4 09:04 control
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_kids
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_enabled
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_status
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_suspended_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_usage
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input:
total 0
drwxr-xr-x 5 root root 0 Nov 4 09:04 .
drwxr-xr-x 5 root root 0 Nov 4 09:04 ..
drwxr-xr-x 7 root root 0 Nov 4 09:04 input20
drwxr-xr-x 6 root root 0 Nov 4 09:04 input21
drwxr-xr-x 6 root root 0 Nov 4 09:04 input22
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input20:
total 0
drwxr-xr-x 7 root root 0 Nov 4 09:04 .
drwxr-xr-x 5 root root 0 Nov 4 09:04 ..
drwxr-xr-x 2 root root 0 Nov 4 09:04 capabilities
lrwxrwxrwx 1 root root 0 Nov 4 09:04 device -> ../../../0003:2389:00A8.0003
drwxr-xr-x 3 root root 0 Nov 4 09:04 event18
drwxr-xr-x 2 root root 0 Nov 4 09:04 id
-r--r--r-- 1 root root 4096 Nov 4 09:04 modalias
drwxr-xr-x 3 root root 0 Nov 4 09:04 mouse2
-r--r--r-- 1 root root 4096 Nov 4 09:04 name
-r--r--r-- 1 root root 4096 Nov 4 09:04 phys
drwxr-xr-x 2 root root 0 Nov 4 09:04 power
-r--r--r-- 1 root root 4096 Nov 4 09:04 properties
lrwxrwxrwx 1 root root 0 Nov 4 09:04 subsystem -> \
../../../../../../../../../../class/input
-rw-r--r-- 1 root root 4096 Nov 4 09:04 uevent
-r--r--r-- 1 root root 4096 Nov 4 09:04 uniq
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input20/capabilities:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 7 root root 0 Nov 4 09:04 ..
-r--r--r-- 1 root root 4096 Nov 4 09:04 abs
-r--r--r-- 1 root root 4096 Nov 4 09:04 ev
-r--r--r-- 1 root root 4096 Nov 4 09:04 ff
-r--r--r-- 1 root root 4096 Nov 4 09:04 key
-r--r--r-- 1 root root 4096 Nov 4 09:04 led
-r--r--r-- 1 root root 4096 Nov 4 09:04 msc
-r--r--r-- 1 root root 4096 Nov 4 09:04 rel
-r--r--r-- 1 root root 4096 Nov 4 09:04 snd
-r--r--r-- 1 root root 4096 Nov 4 09:04 sw
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input20/event18:
total 0
drwxr-xr-x 3 root root 0 Nov 4 09:04 .
drwxr-xr-x 7 root root 0 Nov 4 09:04 ..
-r--r--r-- 1 root root 4096 Nov 4 09:04 dev
lrwxrwxrwx 1 root root 0 Nov 4 09:04 device -> ../../input20
drwxr-xr-x 2 root root 0 Nov 4 09:04 power
lrwxrwxrwx 1 root root 0 Nov 4 09:04 subsystem -> \
../../../../../../../../../../../class/input
-rw-r--r-- 1 root root 4096 Nov 4 09:04 uevent
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input20/event18/power:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 3 root root 0 Nov 4 09:04 ..
-rw-r--r-- 1 root root 4096 Nov 4 09:04 async
-rw-r--r-- 1 root root 4096 Nov 4 09:04 autosuspend_delay_ms
-rw-r--r-- 1 root root 4096 Nov 4 09:04 control
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_kids
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_enabled
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_status
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_suspended_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_usage
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input20/id:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 7 root root 0 Nov 4 09:04 ..
-r--r--r-- 1 root root 4096 Nov 4 09:04 bustype
-r--r--r-- 1 root root 4096 Nov 4 09:04 product
-r--r--r-- 1 root root 4096 Nov 4 09:04 vendor
-r--r--r-- 1 root root 4096 Nov 4 09:04 version
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input20/mouse2:
total 0
drwxr-xr-x 3 root root 0 Nov 4 09:04 .
drwxr-xr-x 7 root root 0 Nov 4 09:04 ..
-r--r--r-- 1 root root 4096 Nov 4 09:04 dev
lrwxrwxrwx 1 root root 0 Nov 4 09:04 device -> ../../input20
drwxr-xr-x 2 root root 0 Nov 4 09:04 power
lrwxrwxrwx 1 root root 0 Nov 4 09:04 subsystem -> \
../../../../../../../../../../../class/input
-rw-r--r-- 1 root root 4096 Nov 4 09:04 uevent
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input20/mouse2/power:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 3 root root 0 Nov 4 09:04 ..
-rw-r--r-- 1 root root 4096 Nov 4 09:04 async
-rw-r--r-- 1 root root 4096 Nov 4 09:04 autosuspend_delay_ms
-rw-r--r-- 1 root root 4096 Nov 4 09:04 control
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_kids
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_enabled
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_status
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_suspended_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_usage
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input20/power:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 7 root root 0 Nov 4 09:04 ..
-rw-r--r-- 1 root root 4096 Nov 4 09:04 async
-rw-r--r-- 1 root root 4096 Nov 4 09:04 autosuspend_delay_ms
-rw-r--r-- 1 root root 4096 Nov 4 09:04 control
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_kids
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_enabled
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_status
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_suspended_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_usage
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input21:
total 0
drwxr-xr-x 6 root root 0 Nov 4 09:04 .
drwxr-xr-x 5 root root 0 Nov 4 09:04 ..
drwxr-xr-x 2 root root 0 Nov 4 09:04 capabilities
lrwxrwxrwx 1 root root 0 Nov 4 09:04 device -> ../../../0003:2389:00A8.0003
drwxr-xr-x 3 root root 0 Nov 4 09:04 event19
drwxr-xr-x 2 root root 0 Nov 4 09:04 id
-r--r--r-- 1 root root 4096 Nov 4 09:04 modalias
-r--r--r-- 1 root root 4096 Nov 4 09:04 name
-r--r--r-- 1 root root 4096 Nov 4 09:04 phys
drwxr-xr-x 2 root root 0 Nov 4 09:04 power
-r--r--r-- 1 root root 4096 Nov 4 09:04 properties
lrwxrwxrwx 1 root root 0 Nov 4 09:04 subsystem -> \
../../../../../../../../../../class/input
-rw-r--r-- 1 root root 4096 Nov 4 09:04 uevent
-r--r--r-- 1 root root 4096 Nov 4 09:04 uniq
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input21/capabilities:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 6 root root 0 Nov 4 09:04 ..
-r--r--r-- 1 root root 4096 Nov 4 09:04 abs
-r--r--r-- 1 root root 4096 Nov 4 09:04 ev
-r--r--r-- 1 root root 4096 Nov 4 09:04 ff
-r--r--r-- 1 root root 4096 Nov 4 09:04 key
-r--r--r-- 1 root root 4096 Nov 4 09:04 led
-r--r--r-- 1 root root 4096 Nov 4 09:04 msc
-r--r--r-- 1 root root 4096 Nov 4 09:04 rel
-r--r--r-- 1 root root 4096 Nov 4 09:04 snd
-r--r--r-- 1 root root 4096 Nov 4 09:04 sw
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input21/event19:
total 0
drwxr-xr-x 3 root root 0 Nov 4 09:04 .
drwxr-xr-x 6 root root 0 Nov 4 09:04 ..
-r--r--r-- 1 root root 4096 Nov 4 09:04 dev
lrwxrwxrwx 1 root root 0 Nov 4 09:04 device -> ../../input21
drwxr-xr-x 2 root root 0 Nov 4 09:04 power
lrwxrwxrwx 1 root root 0 Nov 4 09:04 subsystem -> \
../../../../../../../../../../../class/input
-rw-r--r-- 1 root root 4096 Nov 4 09:04 uevent
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input21/event19/power:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 3 root root 0 Nov 4 09:04 ..
-rw-r--r-- 1 root root 4096 Nov 4 09:04 async
-rw-r--r-- 1 root root 4096 Nov 4 09:04 autosuspend_delay_ms
-rw-r--r-- 1 root root 4096 Nov 4 09:04 control
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_kids
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_enabled
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_status
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_suspended_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_usage
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input21/id:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 6 root root 0 Nov 4 09:04 ..
-r--r--r-- 1 root root 4096 Nov 4 09:04 bustype
-r--r--r-- 1 root root 4096 Nov 4 09:04 product
-r--r--r-- 1 root root 4096 Nov 4 09:04 vendor
-r--r--r-- 1 root root 4096 Nov 4 09:04 version
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input21/power:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 6 root root 0 Nov 4 09:04 ..
-rw-r--r-- 1 root root 4096 Nov 4 09:04 async
-rw-r--r-- 1 root root 4096 Nov 4 09:04 autosuspend_delay_ms
-rw-r--r-- 1 root root 4096 Nov 4 09:04 control
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_kids
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_enabled
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_status
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_suspended_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_usage
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input22:
total 0
drwxr-xr-x 6 root root 0 Nov 4 09:04 .
drwxr-xr-x 5 root root 0 Nov 4 09:04 ..
drwxr-xr-x 2 root root 0 Nov 4 09:04 capabilities
lrwxrwxrwx 1 root root 0 Nov 4 09:04 device -> ../../../0003:2389:00A8.0003
drwxr-xr-x 3 root root 0 Nov 4 09:04 event20
drwxr-xr-x 2 root root 0 Nov 4 09:04 id
-r--r--r-- 1 root root 4096 Nov 4 09:04 modalias
-r--r--r-- 1 root root 4096 Nov 4 09:04 name
-r--r--r-- 1 root root 4096 Nov 4 09:04 phys
drwxr-xr-x 2 root root 0 Nov 4 09:04 power
-r--r--r-- 1 root root 4096 Nov 4 09:04 properties
lrwxrwxrwx 1 root root 0 Nov 4 09:04 subsystem -> \
../../../../../../../../../../class/input
-rw-r--r-- 1 root root 4096 Nov 4 09:04 uevent
-r--r--r-- 1 root root 4096 Nov 4 09:04 uniq
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input22/capabilities:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 6 root root 0 Nov 4 09:04 ..
-r--r--r-- 1 root root 4096 Nov 4 09:04 abs
-r--r--r-- 1 root root 4096 Nov 4 09:04 ev
-r--r--r-- 1 root root 4096 Nov 4 09:04 ff
-r--r--r-- 1 root root 4096 Nov 4 09:04 key
-r--r--r-- 1 root root 4096 Nov 4 09:04 led
-r--r--r-- 1 root root 4096 Nov 4 09:04 msc
-r--r--r-- 1 root root 4096 Nov 4 09:04 rel
-r--r--r-- 1 root root 4096 Nov 4 09:04 snd
-r--r--r-- 1 root root 4096 Nov 4 09:04 sw
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input22/event20:
total 0
drwxr-xr-x 3 root root 0 Nov 4 09:04 .
drwxr-xr-x 6 root root 0 Nov 4 09:04 ..
-r--r--r-- 1 root root 4096 Nov 4 09:04 dev
lrwxrwxrwx 1 root root 0 Nov 4 09:04 device -> ../../input22
drwxr-xr-x 2 root root 0 Nov 4 09:04 power
lrwxrwxrwx 1 root root 0 Nov 4 09:04 subsystem -> \
../../../../../../../../../../../class/input
-rw-r--r-- 1 root root 4096 Nov 4 09:04 uevent
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input22/event20/power:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 3 root root 0 Nov 4 09:04 ..
-rw-r--r-- 1 root root 4096 Nov 4 09:04 async
-rw-r--r-- 1 root root 4096 Nov 4 09:04 autosuspend_delay_ms
-rw-r--r-- 1 root root 4096 Nov 4 09:04 control
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_kids
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_enabled
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_status
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_suspended_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_usage
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input22/id:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 6 root root 0 Nov 4 09:04 ..
-r--r--r-- 1 root root 4096 Nov 4 09:04 bustype
-r--r--r-- 1 root root 4096 Nov 4 09:04 product
-r--r--r-- 1 root root 4096 Nov 4 09:04 vendor
-r--r--r-- 1 root root 4096 Nov 4 09:04 version
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/input/input22/power:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 6 root root 0 Nov 4 09:04 ..
-rw-r--r-- 1 root root 4096 Nov 4 09:04 async
-rw-r--r-- 1 root root 4096 Nov 4 09:04 autosuspend_delay_ms
-rw-r--r-- 1 root root 4096 Nov 4 09:04 control
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_kids
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_enabled
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_status
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_suspended_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_usage
/sys/devices/pci0000\:00/0000\:00\:1d.0/usb4/4-1/4-1.3/4-1.3\:1.0/0003\:2389\:00A8.0003/power:
total 0
drwxr-xr-x 2 root root 0 Nov 4 09:04 .
drwxr-xr-x 5 root root 0 Nov 4 09:04 ..
-rw-r--r-- 1 root root 4096 Nov 4 09:04 async
-rw-r--r-- 1 root root 4096 Nov 4 09:04 autosuspend_delay_ms
-rw-r--r-- 1 root root 4096 Nov 4 09:04 control
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_kids
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_active_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_enabled
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_status
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_suspended_time
-r--r--r-- 1 root root 4096 Nov 4 09:04 runtime_usage
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