https://bugs.kde.org/show_bug.cgi?id=412872

fzhzhen <blfmy...@yahoo.co.jp> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|5.62.0                      |5.66.0
                 CC|                            |blfmy...@yahoo.co.jp

--- Comment #2 from fzhzhen <blfmy...@yahoo.co.jp> ---
I have met the same bug i think.
KDE becomes unresponsive after connecting a USB-mouse.

Operating System: Arch Linux 
KDE Plasma Version: 5.17.5-1
KDE Frameworks Version: 5.66.0-1
Qt Version: 5.14.0-1
Kernel Version: 5.4.13-arch1-1
OS Type: 64-bit
Processors: Intel(R) Core(TM) i7-7500U CPU @ 2.70GHz
Memory: 15.6 GiB of RAM
Laptop model: thinkpad x1carbon 2017 gen 5th


KDE becomes unresponsive after connecting a usb-mouse.
This unresponsive last for several minutes and freeze the whole desktop. 

In general it takes around 5 upto 15 minutes until KDE continues to operate as
usually. During this period, the CPU load jumps to 4 and at least one core is
at 100%.

By the way,i had changed the key binding,Ctrl to CapsLock,using .Xmodmap file.

Sometimes,the keybinding is becoming invalid,when i insert usb-mouse. 

STEPS TO REPRODUCE
1. Log in KDE desktop 
2. Insert a USB-mouse.

ADDITIONAL INFORMATION

The log info is from i disconnet the usb-mouse then i reconnect it,until KDE
becomes responsive.

23.01.2020 01:41:25:878 kernel  usb 1-1: USB disconnect, device number 5
23.01.2020 01:41:25:970 kded5   UdevQt: unhandled device action "unbind"
23.01.2020 01:41:25:971 org_kde_powerdevil      UdevQt: unhandled device action
"unbind"
23.01.2020 01:41:25:971 kmix    UdevQt: unhandled device action "unbind"
23.01.2020 01:41:25:972 plasmashell     UdevQt: unhandled device action
"unbind"
23.01.2020 01:41:26:041 org_kde_powerdevil      UdevQt: unhandled device action
"unbind"
23.01.2020 01:41:26:042 kmix    UdevQt: unhandled device action "unbind"
23.01.2020 01:41:26:042 kded5   UdevQt: unhandled device action "unbind"
23.01.2020 01:41:26:042 plasmashell     UdevQt: unhandled device action
"unbind"
23.01.2020 01:41:26:273 kded5   UdevQt: unhandled device action "unbind"
23.01.2020 01:41:26:274 org_kde_powerdevil      UdevQt: unhandled device action
"unbind"
23.01.2020 01:41:26:274 kmix    UdevQt: unhandled device action "unbind"
23.01.2020 01:41:26:274 plasmashell     UdevQt: unhandled device action
"unbind"
23.01.2020 01:41:26:275 org_kde_powerdevil      UdevQt: unhandled device action
"unbind"
23.01.2020 01:41:26:275 plasmashell     UdevQt: unhandled device action
"unbind"
23.01.2020 01:41:26:275 kded5   UdevQt: unhandled device action "unbind"
23.01.2020 01:41:26:275 kmix    UdevQt: unhandled device action "unbind"
23.01.2020 01:41:26:639 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=0 signal=-77 noise=9999 txrate=650000
23.01.2020 01:41:36:095 kernel  usb 1-1: new full-speed USB device number 6
using xhci_hcd
23.01.2020 01:41:36:235 kernel  usb 1-1: New USB device found, idVendor=09da,
idProduct=37cd, bcdDevice= 0.38
23.01.2020 01:41:36:235 kernel  usb 1-1: New USB device strings: Mfr=1,
Product=2, SerialNumber=0
23.01.2020 01:41:36:236 kernel  usb 1-1: Product: USB Device 
23.01.2020 01:41:36:236 kernel  usb 1-1: Manufacturer: COMPANY 
23.01.2020 01:41:36:242 kernel  input: COMPANY  USB Device  as
/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:09DA:37CD.0004/input/input25
23.01.2020 01:41:36:298 kernel  hid-generic 0003:09DA:37CD.0004: input,hidraw0:
USB HID v1.11 Keyboard [COMPANY  USB Device ] on usb-0000:00:14.0-1/input0
23.01.2020 01:41:36:299 kernel  input: COMPANY  USB Device  as
/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.1/0003:09DA:37CD.0005/input/input26
23.01.2020 01:41:36:299 kernel  hid-generic 0003:09DA:37CD.0005: input,hidraw1:
USB HID v1.11 Mouse [COMPANY  USB Device ] on usb-0000:00:14.0-1/input1
23.01.2020 01:41:36:302 kernel  input: COMPANY  USB Device  Keyboard as
/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.2/0003:09DA:37CD.0006/input/input27
23.01.2020 01:41:36:358 kernel  input: COMPANY  USB Device  System Control as
/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.2/0003:09DA:37CD.0006/input/input28
23.01.2020 01:41:36:358 kernel  input: COMPANY  USB Device  Consumer Control as
/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.2/0003:09DA:37CD.0006/input/input29
23.01.2020 01:41:36:358 kernel  input: COMPANY  USB Device  as
/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.2/0003:09DA:37CD.0006/input/input30
23.01.2020 01:41:36:359 kernel  hid-generic 0003:09DA:37CD.0006:
input,hiddev0,hidraw2: USB HID v1.11 Keyboard [COMPANY  USB Device ] on
usb-0000:00:14.0-1/input2
23.01.2020 01:41:36:366 mtp-probe       checking bus 1, device 6:
"/sys/devices/pci0000:00/0000:00:14.0/usb1/1-1"
23.01.2020 01:41:36:367 mtp-probe       bus: 1, device: 6 was not an MTP device
23.01.2020 01:41:36:445 systemd-logind  Watching system buttons on
/dev/input/event17 (COMPANY  USB Device )
23.01.2020 01:41:36:446 kmix    UdevQt: unhandled device action "bind"
23.01.2020 01:41:36:446 kded5   UdevQt: unhandled device action "bind"
23.01.2020 01:41:36:447 plasmashell     UdevQt: unhandled device action "bind"
23.01.2020 01:41:36:447 org_kde_powerdevil      UdevQt: unhandled device action
"bind"
23.01.2020 01:41:36:455 systemd-logind  Watching system buttons on
/dev/input/event21 (COMPANY  USB Device  Consumer Control)
23.01.2020 01:41:36:455 systemd-logind  Watching system buttons on
/dev/input/event19 (COMPANY  USB Device  Keyboard)
23.01.2020 01:41:36:456 systemd-logind  Watching system buttons on
/dev/input/event20 (COMPANY  USB Device  System Control)
23.01.2020 01:41:36:518 mtp-probe       checking bus 1, device 6:
"/sys/devices/pci0000:00/0000:00:14.0/usb1/1-1"
23.01.2020 01:41:36:519 mtp-probe       bus: 1, device: 6 was not an MTP device
23.01.2020 01:41:36:744 plasmashell     UdevQt: unhandled device action "bind"
23.01.2020 01:41:36:744 plasmashell     UdevQt: unhandled device action "bind"
23.01.2020 01:41:36:744 plasmashell     UdevQt: unhandled device action "bind"
23.01.2020 01:41:36:757 kmix    UdevQt: unhandled device action "bind"
23.01.2020 01:41:36:757 kmix    UdevQt: unhandled device action "bind"
23.01.2020 01:41:36:757 kmix    UdevQt: unhandled device action "bind"
23.01.2020 01:41:36:760 org_kde_powerdevil      UdevQt: unhandled device action
"bind"
23.01.2020 01:41:36:761 org_kde_powerdevil      UdevQt: unhandled device action
"bind"
23.01.2020 01:41:36:761 org_kde_powerdevil      UdevQt: unhandled device action
"bind"
23.01.2020 01:41:40:976 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=1 signal=-66 noise=9999 txrate=650000
23.01.2020 01:42:03:355 kernel  mce: CPU0: Core temperature above threshold,
cpu clock throttled (total events = 38801)
23.01.2020 01:42:03:355 kernel  mce: CPU3: Package temperature above threshold,
cpu clock throttled (total events = 72956)
23.01.2020 01:42:03:355 kernel  mce: CPU1: Package temperature above threshold,
cpu clock throttled (total events = 72956)
23.01.2020 01:42:03:355 kernel  mce: CPU2: Core temperature above threshold,
cpu clock throttled (total events = 38801)
23.01.2020 01:42:03:355 kernel  mce: CPU2: Package temperature above threshold,
cpu clock throttled (total events = 72956)
23.01.2020 01:42:03:355 kernel  mce: CPU0: Package temperature above threshold,
cpu clock throttled (total events = 72956)
23.01.2020 01:42:03:358 kernel  mce: CPU2: Core temperature/speed normal
23.01.2020 01:42:03:358 kernel  mce: CPU0: Core temperature/speed normal
23.01.2020 01:42:03:358 kernel  mce: CPU3: Package temperature/speed normal
23.01.2020 01:42:03:358 kernel  mce: CPU1: Package temperature/speed normal
23.01.2020 01:42:03:358 kernel  mce: CPU0: Package temperature/speed normal
23.01.2020 01:42:03:358 kernel  mce: CPU2: Package temperature/speed normal
23.01.2020 01:42:31:639 kcminit qt.core.logging: Ignoring malformed logging
rule: '’.debug*=false’'
23.01.2020 01:42:31:640 kcminit Warning: QT_DEVICE_PIXEL_RATIO is deprecated.
Instead use:
   QT_AUTO_SCREEN_SCALE_FACTOR to enable platform plugin controlled per-screen
factors.
   QT_SCREEN_SCALE_FACTORS to set per-screen DPI.
   QT_SCALE_FACTOR to set the application global scale factor.
23.01.2020 01:42:59:030 kcminit Initializing  "kcm_mouse" :  "kcminit_mouse"
23.01.2020 01:42:59:120 kwin_x11        qt.qpa.xcb: QXcbConnection: XCB error:
3 (BadWindow), sequence: 19660, resource id: 18874373, major code: 18
(ChangeProperty), minor code: 0
23.01.2020 01:42:59:120 kcminit QFileSystemWatcher::removePaths: list is empty
23.01.2020 01:42:59:120 kcminit QFileSystemWatcher::removePaths: list is empty
23.01.2020 01:43:11:628 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=0 signal=-67 noise=9999 txrate=650000
23.01.2020 01:44:57:552 kwin_x11        qt.qpa.xcb: QXcbConnection: XCB error:
3 (BadWindow), sequence: 41972, resource id: 42095224, major code: 18
(ChangeProperty), minor code: 0
23.01.2020 01:44:57:582 kwin_x11        qt.qpa.xcb: QXcbConnection: XCB error:
3 (BadWindow), sequence: 42120, resource id: 42095228, major code: 18
(ChangeProperty), minor code: 0
23.01.2020 01:44:57:780 plasmashell     qt.qpa.xcb: QXcbConnection: XCB error:
8 (BadMatch), sequence: 9131, resource id: 39845945, major code: 42
(SetInputFocus), minor code: 0
23.01.2020 01:46:11:638 kcminit qt.core.logging: Ignoring malformed logging
rule: '’.debug*=false’'
23.01.2020 01:46:11:638 kcminit Warning: QT_DEVICE_PIXEL_RATIO is deprecated.
Instead use:
   QT_AUTO_SCREEN_SCALE_FACTOR to enable platform plugin controlled per-screen
factors.
   QT_SCREEN_SCALE_FACTORS to set per-screen DPI.
   QT_SCALE_FACTOR to set the application global scale factor.
23.01.2020 01:46:38:512 kcminit Initializing  "kcm_mouse" :  "kcminit_mouse"
23.01.2020 01:46:38:629 kwin_x11        qt.qpa.xcb: QXcbConnection: XCB error:
3 (BadWindow), sequence: 60635, resource id: 18874373, major code: 18
(ChangeProperty), minor code: 0
23.01.2020 01:46:38:630 kcminit QFileSystemWatcher::removePaths: list is empty
23.01.2020 01:46:38:630 kcminit QFileSystemWatcher::removePaths: list is empty
23.01.2020 01:47:03:358 kernel  mce: CPU0: Core temperature/speed normal
23.01.2020 01:47:03:388 kernel  mce: CPU3: Package temperature/speed normal
23.01.2020 01:47:03:388 kernel  mce: CPU2: Core temperature/speed normal
23.01.2020 01:47:03:388 kernel  mce: CPU1: Package temperature/speed normal
23.01.2020 01:47:03:388 kernel  mce: CPU2: Package temperature/speed normal
23.01.2020 01:47:03:388 kernel  mce: CPU0: Package temperature/speed normal
23.01.2020 01:47:33:168 kded5   UdevQt: unhandled device action "bind"
23.01.2020 01:47:33:173 kded5   UdevQt: unhandled device action "bind"
23.01.2020 01:47:33:173 kded5   UdevQt: unhandled device action "bind"
23.01.2020 01:48:05:628 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=1 signal=-70 noise=9999 txrate=650000
23.01.2020 01:48:23:628 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=0 signal=-70 noise=9999 txrate=650000
23.01.2020 01:48:35:625 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=1 signal=-67 noise=9999 txrate=780000
23.01.2020 01:48:59:555 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=0 signal=-73 noise=9999 txrate=585100
23.01.2020 01:49:11:624 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=1 signal=-69 noise=9999 txrate=650000
23.01.2020 01:49:39:694 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=0 signal=-69 noise=9999 txrate=650000
23.01.2020 01:49:59:625 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=1 signal=-68 noise=9999 txrate=650000
23.01.2020 01:50:07:754 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=0 signal=-74 noise=9999 txrate=650000
23.01.2020 01:51:03:971 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=1 signal=-63 noise=9999 txrate=585100
23.01.2020 01:51:36:975 kwin_x11        qt.qpa.xcb: QXcbConnection: XCB error:
3 (BadWindow), sequence: 20839, resource id: 39846218, major code: 18
(ChangeProperty), minor code: 0
23.01.2020 01:51:37:126 kded5   Registering ":1.136/StatusNotifierItem" to
system tray
23.01.2020 01:51:37:129 plasmashell     QQuickItem::stackAfter: Cannot stack
StatusNotifierItem_QMLTYPE_394(0x564226470970, parent=0x56422134e310,
geometry=0,0 0x0) after StatusNotifierItem_QMLTYPE_394(0x5642220fc7b0), which
must be a sibling
23.01.2020 01:51:37:206 kded5   Service  ":1.136" unregistered
23.01.2020 01:52:03:394 kernel  mce: CPU0: Core temperature above threshold,
cpu clock throttled (total events = 71064)
23.01.2020 01:52:03:394 kernel  mce: CPU2: Core temperature above threshold,
cpu clock throttled (total events = 71064)
23.01.2020 01:52:03:394 kernel  mce: CPU0: Package temperature above threshold,
cpu clock throttled (total events = 120310)
23.01.2020 01:52:03:394 kernel  mce: CPU2: Package temperature above threshold,
cpu clock throttled (total events = 120310)
23.01.2020 01:52:03:394 kernel  mce: CPU3: Package temperature above threshold,
cpu clock throttled (total events = 120310)
23.01.2020 01:52:03:394 kernel  mce: CPU1: Package temperature above threshold,
cpu clock throttled (total events = 120310)
23.01.2020 01:52:03:398 kernel  mce: CPU2: Core temperature/speed normal
23.01.2020 01:52:03:398 kernel  mce: CPU3: Package temperature/speed normal
23.01.2020 01:52:03:398 kernel  mce: CPU0: Core temperature/speed normal
23.01.2020 01:52:03:398 kernel  mce: CPU1: Package temperature/speed normal
23.01.2020 01:52:03:398 kernel  mce: CPU0: Package temperature/speed normal
23.01.2020 01:52:03:398 kernel  mce: CPU2: Package temperature/speed normal
23.01.2020 01:52:21:803 kernel  mce: CPU3: Core temperature above threshold,
cpu clock throttled (total events = 53065)
23.01.2020 01:52:21:803 kernel  mce: CPU1: Core temperature above threshold,
cpu clock throttled (total events = 53065)
23.01.2020 01:52:21:805 kernel  mce: CPU3: Core temperature/speed normal
23.01.2020 01:52:21:805 kernel  mce: CPU1: Core temperature/speed normal
23.01.2020 01:54:22:728 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=0 signal=-74 noise=9999 txrate=780000
23.01.2020 01:54:41:058 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=1 signal=-62 noise=9999 txrate=780000
23.01.2020 01:57:03:395 kernel  mce: CPU1: Package temperature/speed normal
23.01.2020 01:57:03:478 kernel  mce: CPU3: Package temperature/speed normal
23.01.2020 01:57:03:478 kernel  mce: CPU2: Package temperature/speed normal
23.01.2020 01:57:03:478 kernel  mce: CPU0: Package temperature/speed normal
23.01.2020 01:58:23:628 wpa_supplicant  wlp4s0: CTRL-EVENT-SIGNAL-CHANGE
above=1 signal=-61 noise=9999 txrate=780000

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