#StackBounty: #kubuntu Can't identify app info from a aspecific window

Bounty: 50

I try to identify source of window that freeze, but without luck :

[andrii@andrii-Aspire-A517-51G ~]$ xprop | awk -F'=' '/_NET_WM_PID/ {print $2}' | xargs ps
    PID TTY          TIME CMD
   8434 pts/0    00:00:00 bash
 967972 pts/0    00:00:00 xargs
 967991 pts/0    00:00:00 ps
[andrii@andrii-Aspire-A517-51G ~]$ xprop | awk -F'=' '/_NET_WM_PID/ {print $2}' 

[andrii@andrii-Aspire-A517-51G ~]$ 

app

Also, this ^ app skip taskbar.

enter image description here

cat /etc/os-release

NAME="Ubuntu"
VERSION="20.04.2 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.2 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal
wmctrl -l -p -x
X Error of failed request:  BadWindow (invalid Window parameter)
  Major opcode of failed request:  20 (X_GetProperty)
  Resource id in failed request:  0x6a0bec9
  Serial number of failed request:  13
  Current serial number in output stream:  13

$  wmctrl -m
Name: Openbox
Class: 
PID: N/A
Window manager's "showing the desktop" mode: OFF

$ env | grep -i desktop
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session2
DESKTOP_SESSION=plasma
XDG_SESSION_DESKTOP=plasma
XDG_CURRENT_DESKTOP=KDE
XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
XDG_DATA_DIRS=/usr/share/plasma:/home/andrii/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:/usr/local/share:/usr/share:/var/lib/snapd/desktop

$
xwininfo: Please select the window about which you
          would like information by clicking the
          mouse in that window.

xwininfo: Window id: 0x44185cd (has no name)

  Root window id: 0x9a4 (the root window) (has no name)
  Parent window id: 0x9a4 (the root window) (has no name)
     55 children:
     0x4418619 (has no name): ()  1x1+0+0  +401+244
     0x4418618 (has no name): ()  1x1+0+0  +401+244
     0x4418617 (has no name): ()  1x1+0+0  +401+244
     0x4418616 (has no name): ()  1x1+0+0  +401+244
     0x4418615 (has no name): ()  1x1+0+0  +401+244
     0x4418614 (has no name): ()  1x1+0+0  +401+244
     0x4418613 (has no name): ()  1x1+0+0  +401+244
     0x4418612 (has no name): ()  1x1+0+0  +401+244
     0x4418611 (has no name): ()  1x1+0+0  +401+244
     0x4418610 (has no name): ()  1x1+0+0  +401+244
     0x441860f (has no name): ()  1x1+0+0  +401+244
     0x441860e (has no name): ()  1x1+0+0  +401+244
     0x441860d (has no name): ()  1x1+0+0  +401+244
     0x441860c (has no name): ()  1x1+0+0  +401+244
     0x441860b (has no name): ()  1x1+0+0  +401+244
     0x441860a (has no name): ()  1x1+0+0  +401+244
     0x4418609 (has no name): ()  1x1+0+0  +401+244
     0x4418608 (has no name): ()  1x1+0+0  +401+244
     0x4418607 (has no name): ()  1x1+0+0  +401+244
     0x4418606 (has no name): ()  1x1+0+0  +401+244
     0x4418605 (has no name): ()  1x1+0+0  +401+244
     0x4418604 (has no name): ()  1x1+0+0  +401+244
     0x4418603 (has no name): ()  1x1+0+0  +401+244
     0x4418602 (has no name): ()  1x1+0+0  +401+244
     0x4418601 (has no name): ()  1x1+0+0  +401+244
     0x4418600 (has no name): ()  1x1+0+0  +401+244
     0x44185ff (has no name): ()  1x1+0+0  +401+244
     0x44185fe (has no name): ()  1x1+0+0  +401+244
     0x44185fd (has no name): ()  1x1+0+0  +401+244
     0x44185fc (has no name): ()  1x1+0+0  +401+244
     0x44185fb (has no name): ()  1x1+0+0  +401+244
     0x44185fa (has no name): ()  1x1+0+0  +401+244
     0x44185f9 (has no name): ()  26x1+1891+1043  +2292+1287
     0x44185f8 (has no name): ()  26x1+1891+1038  +2292+1282
     0x44185f7 (has no name): ()  1x25+1917+1019  +2318+1263
     0x44185f6 (has no name): ()  26x1+1+1043  +402+1287
     0x44185f5 (has no name): ()  26x1+1+1038  +402+1282
     0x44185f4 (has no name): ()  1x25+0+1019  +401+1263
     0x44185f3 (has no name): ()  1864x1+27+1043  +428+1287
     0x44185f2 (has no name): ()  1864x1+27+1038  +428+1282
     0x44185ed (has no name): ()  1916x4+1+1039  +402+1283
        4 children:
        0x44185f1 (has no name): ()  1x4+1890+0  +2292+1283
        0x44185f0 (has no name): ()  1x4+25+0  +427+1283
        0x44185ef (has no name): ()  25x4+1891+0  +2293+1283
        0x44185ee (has no name): ()  25x4+0+0  +402+1283
     0x44185e5 (has no name): ()  1x994+1917+26  +2318+270
     0x44185e4 (has no name): ()  1x994+0+26  +401+270
     0x44185de (has no name): ()  1916x1+1+23  +402+267
     0x44185dd (has no name): ()  1x25+1917+1  +2318+245
     0x44185dc (has no name): ()  26x1+1892+0  +2293+244
     0x44185db (has no name): ()  26x1+0+0  +401+244
     0x44185da (has no name): ()  1866x1+26+0  +427+244
     0x44185d9 (has no name): ()  1x25+0+1  +401+245
     0x44185d8 (has no name): ()  1916x22+1+1  +402+245
        12 children:
        0x44185ec (has no name): ()  18x18+1856+2  +2258+247
        0x44185eb (has no name): ()  20x20+2+1  +404+246
        0x44185ea (has no name): ()  18x18+0+0  +402+245
        0x44185e9 (has no name): ()  18x18+0+0  +402+245
        0x44185e8 (has no name): ()  18x18+1896+2  +2298+247
        0x44185e7 (has no name): ()  18x18+1876+2  +2278+247
        0x44185e6 (has no name): ()  1792x20+62+1  +464+246
        0x44185e3 (has no name): ()  2x22+1914+0  +2316+245
        0x44185e2 (has no name): ()  25x2+1891+0  +2293+245
        0x44185e1 (has no name): ()  2x22+0+0  +402+245
        0x44185e0 (has no name): ()  25x2+0+0  +402+245
        0x44185df (has no name): ()  1866x2+25+0  +427+245
     0x44185d3 (has no name): ()  1916x1+1+1037  +402+1281
        2 children:
        0x44185d5 (has no name): ()  26x1+1890+0  +2292+1281
        0x44185d4 (has no name): ()  26x1+0+0  +402+1281
     0x44185d2 (has no name): ()  1x1012+1916+25  +2317+269
        1 child:
        0x44185d7 (has no name): ()  1x18+0+994  +2317+1263
     0x44185d1 (has no name): ()  1916x1+1+24  +402+268
     0x44185d0 (has no name): ()  1x1012+1+25  +402+269
        1 child:
        0x44185d6 (has no name): ()  1x18+0+994  +402+1263
     0x44185ce (has no name): ()  1914x1012+2+25  +403+269
        1 child:
        0x44185cf (has no name): ()  1914x1012+0+0  +403+269

  Absolute upper-left X:  401
  Absolute upper-left Y:  244
  Relative upper-left X:  401
  Relative upper-left Y:  244
  Width: 1918
  Height: 1044
  Depth: 24
  Visual: 0x21
  Visual Class: TrueColor
  Border width: 0
  Class: InputOutput
  Colormap: 0x20 (installed)
  Bit Gravity State: ForgetGravity
  Window Gravity State: NorthWestGravity
  Backing Store State: NotUseful
  Save Under State: no
  Map State: IsViewable
  Override Redirect State: no
  Corners:  +401+244  --399+244  --399--208  +401--208
  -geometry 1918x1044+401+244

  Bit gravity: ForgetGravity
  Window gravity: NorthWestGravity
  Backing-store hint: NotUseful
  Backing-planes to be preserved: 0xffffffff
  Backing pixel: 0
  Save-unders: No

  Someone wants these events:
      ButtonPress
      ButtonRelease
      EnterWindow
      LeaveWindow
      SubstructureRedirect
      FocusChange
  Do not propagate these events:
  Override redirection?: No

  No window manager hints defined
  Window manager hints:
      Process id: (unknown)

  No normal window size hints defined
  No zoom window size hints defined

  No window shape defined
  No border shape defined

upd. I xkill this window and this is compare of ps faux before and after:

https://paste.ubuntu.com/p/2Rf9Kzjpw7/

https://paste.ubuntu.com/p/8rwZySP9Vc/

xwininfo -tree -root | pastebinit  

https://paste.ubuntu.com/p/krDy9QwDq3/

(defined id 0x44185cd)

 xprop -root|grep ^_NET_CLIENT_LIST | pastebinit 

https://paste.ubuntu.com/p/FVYhCzkkQj/

wmctrl -l | pastebinit                                                                                                                                                   3  12:57 
X Error of failed request:  BadWindow (invalid Window parameter)
  Major opcode of failed request:  20 (X_GetProperty)
  Resource id in failed request:  0x6a0bec9
  Serial number of failed request:  13
  Current serial number in output stream:  13
You are trying to send an empty document, exiting.

xlsclients | pastebinit    

https://paste.ubuntu.com/p/4gsvZ75JVt/


Get this bounty!!!

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