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#1 2025-07-23 05:09:14

magnet helper
Member
Registered: 2025-05-23
Posts: 17

[SOLVED] white pixels in display (ThinkPad X1 Carbon Gen 6)

i am running xfce4, and when i log in, there are a few white pixels in the upper right hand corner of the display. not present when i'm in the command prompt outside of xfce. shows up on a screenshot (attached). small thing, but i keep noticing it when watching things in fullscreen, especially if it's letterboxed for wider aspect ratios.

this is blown up to about 850% to make them really obvious.
screenshot of white pixels

thanks!

--edited to add:
the laptop has an integrated Intel UHD 620. i tried some tweaks from the intel graphics page of the wiki, such as setting AccelMethod to UXA, but there was no change after rebooting. also firefox performance tanked, so i switched it back to SNA.

Last edited by magnet helper (2025-07-24 21:40:12)

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#2 2025-07-23 06:17:11

seth
Member
From: Don't DM me only for attention
Registered: 2012-09-03
Posts: 66,389

Re: [SOLVED] white pixels in display (ThinkPad X1 Carbon Gen 6)

few white pixels in the upper right hand corner of the display

"gray"? "left"?

Might be a hot corner window, try to run "xprop" and "xwininfo" and when the cursor turns into a "+" click the white pixels.
Post the outputs.

If that's not it: artifact from the https://wiki.archlinux.org/title/Xfwm#Composite_manager ?

Edit:

i tried some tweaks from the intel graphics page of the wiki, such as setting AccelMethod to UXA, but there was no change after rebooting. also firefox performance tanked, so i switched it back to SNA.

Post your xorg log and likely just remove xf86-video-intel.

Last edited by seth (2025-07-23 06:17:59)

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#3 2025-07-23 21:38:07

magnet helper
Member
Registered: 2025-05-23
Posts: 17

Re: [SOLVED] white pixels in display (ThinkPad X1 Carbon Gen 6)

d'oh, i thought i double-checked my left vs right...

xprop output of upper left pixel:

WM_HINTS(WM_HINTS):
		Client accepts input or input focus: True
		Initial state is Normal State.
		window id # of group leader: 0x2200001
XdndAware(ATOM) = BITMAP
_NET_WM_OPAQUE_REGION(CARDINAL) = 0, 0, 6, 1
_NET_WM_WINDOW_TYPE(ATOM) = _NET_WM_WINDOW_TYPE_NORMAL
_NET_WM_SYNC_REQUEST_COUNTER(CARDINAL) = 35651601, 35651602
_NET_WM_USER_TIME_WINDOW(WINDOW): window id # 0x2200010
WM_CLIENT_LEADER(WINDOW): window id # 0x2200001
_NET_WM_PID(CARDINAL) = 1077
WM_LOCALE_NAME(STRING) = "C.UTF-8"
WM_CLIENT_MACHINE(STRING) = "lenovox1"
WM_NORMAL_HINTS(WM_SIZE_HINTS):
		program specified minimum size: 6 by 0
		program specified base size: 0 by 0
		window gravity: NorthWest
WM_PROTOCOLS(ATOM): protocols  WM_DELETE_WINDOW, WM_TAKE_FOCUS, _NET_WM_PING, _NET_WM_SYNC_REQUEST
WM_CLASS(STRING) = "ibus-ui-gtk3", "Ibus-ui-gtk3"
WM_ICON_NAME(STRING) = "ibus-ui-gtk3"
_NET_WM_ICON_NAME(UTF8_STRING) = "ibus-ui-gtk3"
WM_NAME(STRING) = "ibus-ui-gtk3"
_NET_WM_NAME(UTF8_STRING) = "ibus-ui-gtk3"

xwininfo returned "command not found" and there was no xwininfo package in pacman.

xorg log:

[    16.711] 
X.Org X Server 1.21.1.18
X Protocol Version 11, Revision 0
[    16.712] Current Operating System: Linux lenovox1 6.15.7-arch1-1 #1 SMP PREEMPT_DYNAMIC Thu, 17 Jul 2025 21:05:29 +0000 x86_64
[    16.712] Kernel command line: BOOT_IMAGE=/vmlinuz-linux root=UUID=cfc735c1-8c6a-4bcd-a6a7-8350e6b0a01e rw loglevel=3 quiet
[    16.712]  
[    16.712] Current version of pixman: 0.46.4
[    16.712] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[    16.712] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    16.713] (==) Log file: "/home/riley/.local/share/xorg/Xorg.0.log", Time: Wed Jul 23 14:13:05 2025
[    16.717] (==) Using config directory: "/etc/X11/xorg.conf.d"
[    16.717] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[    16.718] (==) No Layout section.  Using the first Screen section.
[    16.718] (==) No screen section available. Using defaults.
[    16.718] (**) |-->Screen "Default Screen Section" (0)
[    16.718] (**) |   |-->Monitor "<default monitor>"
[    16.719] (==) No device specified for screen "Default Screen Section".
	Using the first device section listed.
[    16.719] (**) |   |-->Device "Intel Graphics"
[    16.719] (==) No monitor specified for screen "Default Screen Section".
	Using a default monitor configuration.
[    16.719] (**) Allowing byte-swapped clients
[    16.719] (==) Automatically adding devices
[    16.719] (==) Automatically enabling devices
[    16.719] (==) Automatically adding GPU devices
[    16.719] (==) Automatically binding GPU devices
[    16.719] (==) Max clients allowed: 256, resource mask: 0x1fffff
[    16.720] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/misc".
[    16.720] 	Entry deleted from font path.
[    16.720] 	(Run 'mkfontdir' on "/usr/share/fonts/misc").
[    16.721] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/TTF".
[    16.721] 	Entry deleted from font path.
[    16.721] 	(Run 'mkfontdir' on "/usr/share/fonts/TTF").
[    16.722] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/OTF".
[    16.722] 	Entry deleted from font path.
[    16.722] 	(Run 'mkfontdir' on "/usr/share/fonts/OTF").
[    16.722] (WW) The directory "/usr/share/fonts/Type1" does not exist.
[    16.722] 	Entry deleted from font path.
[    16.722] (WW) The directory "/usr/share/fonts/100dpi" does not exist.
[    16.722] 	Entry deleted from font path.
[    16.722] (WW) The directory "/usr/share/fonts/75dpi" does not exist.
[    16.722] 	Entry deleted from font path.
[    16.722] (==) FontPath set to:
	
[    16.722] (==) ModulePath set to "/usr/lib/xorg/modules"
[    16.722] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[    16.722] (II) Module ABI versions:
[    16.722] 	X.Org ANSI C Emulation: 0.4
[    16.722] 	X.Org Video Driver: 25.2
[    16.722] 	X.Org XInput driver : 24.4
[    16.722] 	X.Org Server Extension : 10.0
[    16.723] (++) using VT number 1

[    16.723] (--) controlling tty is VT number 1, auto-enabling KeepTty
[    16.726] (II) systemd-logind: took control of session /org/freedesktop/login1/session/_31
[    16.730] (II) xfree86: Adding drm device (/dev/dri/card1)
[    16.730] (II) Platform probe for /sys/devices/pci0000:00/0000:00:02.0/drm/card1
[    16.732] (II) systemd-logind: got fd for /dev/dri/card1 226:1 fd 13 paused 0
[    16.744] (--) PCI:*(0@0:2:0) 8086:5917:17aa:225c rev 7, Mem @ 0x2ffa000000/16777216, 0x2fa0000000/268435456, I/O @ 0x0000e000/64, BIOS @ 0x????????/131072
[    16.744] (II) LoadModule: "glx"
[    16.745] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[    16.755] (II) Module glx: vendor="X.Org Foundation"
[    16.755] 	compiled for 1.21.1.18, module version = 1.0.0
[    16.755] 	ABI class: X.Org Server Extension, version 10.0
[    16.755] (II) LoadModule: "intel"
[    16.756] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[    16.760] (II) Module intel: vendor="X.Org Foundation"
[    16.760] 	compiled for 1.21.1.16, module version = 2.99.917
[    16.760] 	Module class: X.Org Video Driver
[    16.760] 	ABI class: X.Org Video Driver, version 25.2
[    16.760] (II) intel: Driver for Intel(R) Integrated Graphics Chipsets:
	i810, i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G,
	915G, E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM,
	Pineview G, 965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33,
	GM45, 4 Series, G45/G43, Q45/Q43, G41, B43
[    16.760] (II) intel: Driver for Intel(R) HD Graphics
[    16.760] (II) intel: Driver for Intel(R) Iris(TM) Graphics
[    16.760] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics
[    16.761] xf86EnableIO: failed to enable I/O ports 0000-03ff (Operation not permitted)
[    16.761] (II) intel(0): Using Kernel Mode Setting driver: i915, version 1.6.0 0
[    16.761] (II) intel(0): SNA compiled from 2.99.917-939-g4a64400e
[    16.763] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
[    16.764] (--) intel(0): gen9 engineering sample
[    16.764] (--) intel(0): CPU: x86-64, sse2, sse3, ssse3, sse4.1, sse4.2, avx, avx2; using a maximum of 4 threads
[    16.764] (II) intel(0): Creating default Display subsection in Screen section
	"Default Screen Section" for depth/fbbpp 24/32
[    16.764] (==) intel(0): Depth 24, (--) framebuffer bpp 32
[    16.764] (==) intel(0): RGB weight 888
[    16.764] (==) intel(0): Default visual is TrueColor
[    16.764] (**) intel(0): Option "AccelMethod" "SNA"
[    16.764] (**) intel(0): Option "SwapbuffersWait" "false"
[    16.764] (**) intel(0): Option "TripleBuffer" "false"
[    16.764] (**) intel(0): Option "TearFree" "false"
[    16.767] (II) intel(0): Output eDP1 has no monitor section
[    16.768] (**) intel(0): Found backlight control interface intel_backlight (type 'raw') for output eDP1
[    16.769] (II) intel(0): Enabled output eDP1
[    16.769] (II) intel(0): Output DP1 has no monitor section
[    16.769] (II) intel(0): Enabled output DP1
[    16.770] (II) intel(0): Output HDMI1 has no monitor section
[    16.770] (II) intel(0): Enabled output HDMI1
[    16.770] (II) intel(0): Output DP2 has no monitor section
[    16.771] (II) intel(0): Enabled output DP2
[    16.771] (II) intel(0): Output HDMI2 has no monitor section
[    16.772] (II) intel(0): Enabled output HDMI2
[    16.772] (--) intel(0): Using a maximum size of 256x256 for hardware cursors
[    16.772] (II) intel(0): Output VIRTUAL1 has no monitor section
[    16.772] (II) intel(0): Enabled output VIRTUAL1
[    16.772] (--) intel(0): Output eDP1 using initial mode 1920x1080 on crtc 0
[    16.772] (**) intel(0): TearFree disabled
[    16.772] (==) intel(0): Using gamma correction (1.0, 1.0, 1.0)
[    16.772] (==) intel(0): DPI set to (96, 96)
[    16.772] (II) Loading sub module "dri3"
[    16.772] (II) LoadModule: "dri3"
[    16.772] (II) Module "dri3" already built-in
[    16.772] (II) Loading sub module "dri2"
[    16.772] (II) LoadModule: "dri2"
[    16.772] (II) Module "dri2" already built-in
[    16.772] (II) Loading sub module "present"
[    16.772] (II) LoadModule: "present"
[    16.772] (II) Module "present" already built-in
[    16.775] (II) intel(0): SNA initialized with Kabylake (gen9) backend
[    16.775] (==) intel(0): Backing store enabled
[    16.775] (==) intel(0): Silken mouse enabled
[    16.775] (II) intel(0): HW Cursor enabled
[    16.776] (==) intel(0): DPMS enabled
[    16.776] (==) intel(0): Display hotplug detection enabled
[    16.777] (II) intel(0): [DRI2] Setup complete
[    16.777] (II) intel(0): [DRI2]   DRI driver: i965
[    16.777] (II) intel(0): [DRI2]   VDPAU driver: va_gl
[    16.777] (II) intel(0): direct rendering: DRI2 DRI3 enabled
[    16.777] (II) intel(0): hardware support for Present enabled
[    16.777] (II) Initializing extension Generic Event Extension
[    16.777] (II) Initializing extension SHAPE
[    16.778] (II) Initializing extension MIT-SHM
[    16.778] (II) Initializing extension XInputExtension
[    16.779] (II) Initializing extension XTEST
[    16.779] (II) Initializing extension BIG-REQUESTS
[    16.780] (II) Initializing extension SYNC
[    16.780] (II) Initializing extension XKEYBOARD
[    16.780] (II) Initializing extension XC-MISC
[    16.781] (II) Initializing extension SECURITY
[    16.781] (II) Initializing extension XFIXES
[    16.781] (II) Initializing extension RENDER
[    16.782] (II) Initializing extension RANDR
[    16.782] (II) Initializing extension COMPOSITE
[    16.783] (II) Initializing extension DAMAGE
[    16.783] (II) Initializing extension MIT-SCREEN-SAVER
[    16.783] (II) Initializing extension DOUBLE-BUFFER
[    16.784] (II) Initializing extension RECORD
[    16.784] (II) Initializing extension DPMS
[    16.784] (II) Initializing extension Present
[    16.784] (II) Initializing extension DRI3
[    16.785] (II) Initializing extension X-Resource
[    16.785] (II) Initializing extension XVideo
[    16.785] (II) Initializing extension XVideo-MotionCompensation
[    16.785] (II) Initializing extension GLX
[    16.787] (EE) AIGLX error: dlopen of /usr/lib/dri/i965_dri.so failed (/usr/lib/dri/i965_dri.so: cannot open shared object file: No such file or directory)
[    16.787] (EE) AIGLX error: unable to load driver i965
[    17.247] (II) IGLX: Loaded and initialized swrast
[    17.247] (II) GLX: Initialized DRISWRAST GL provider for screen 0
[    17.247] (II) Initializing extension XFree86-VidModeExtension
[    17.248] (II) Initializing extension XFree86-DGA
[    17.248] (II) Initializing extension XFree86-DRI
[    17.248] (II) Initializing extension DRI2
[    17.260] (II) intel(0): switch to mode 1920x1080@60.0 on eDP1 using crtc 0, position (0, 0), rotation normal, reflection none
[    17.283] (II) intel(0): Setting screen physical size to 508 x 285
[    17.513] (II) config/udev: Adding input device Power Button (/dev/input/event2)
[    17.513] (**) Power Button: Applying InputClass "libinput keyboard catchall"
[    17.513] (II) LoadModule: "libinput"
[    17.513] (II) Loading /usr/lib/xorg/modules/input/libinput_drv.so
[    17.521] (II) Module libinput: vendor="X.Org Foundation"
[    17.521] 	compiled for 1.21.1.13, module version = 1.5.0
[    17.521] 	Module class: X.Org XInput Driver
[    17.521] 	ABI class: X.Org XInput driver, version 24.4
[    17.521] (II) Using input driver 'libinput' for 'Power Button'
[    17.523] (II) systemd-logind: got fd for /dev/input/event2 13:66 fd 23 paused 0
[    17.523] (**) Power Button: always reports core events
[    17.523] (**) Option "Device" "/dev/input/event2"
[    17.538] (II) event2  - Power Button: is tagged by udev as: Keyboard
[    17.538] (II) event2  - Power Button: device is a keyboard
[    17.539] (II) event2  - Power Button: device removed
[    17.539] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input2/event2"
[    17.539] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6)
[    17.542] (II) event2  - Power Button: is tagged by udev as: Keyboard
[    17.542] (II) event2  - Power Button: device is a keyboard
[    17.545] (II) config/udev: Adding input device Video Bus (/dev/input/event5)
[    17.545] (**) Video Bus: Applying InputClass "libinput keyboard catchall"
[    17.545] (II) Using input driver 'libinput' for 'Video Bus'
[    17.547] (II) systemd-logind: got fd for /dev/input/event5 13:69 fd 26 paused 0
[    17.547] (**) Video Bus: always reports core events
[    17.547] (**) Option "Device" "/dev/input/event5"
[    17.550] (II) event5  - Video Bus: is tagged by udev as: Keyboard
[    17.551] (II) event5  - Video Bus: device is a keyboard
[    17.551] (II) event5  - Video Bus: device removed
[    17.551] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input6/event5"
[    17.551] (II) XINPUT: Adding extended input device "Video Bus" (type: KEYBOARD, id 7)
[    17.555] (II) event5  - Video Bus: is tagged by udev as: Keyboard
[    17.555] (II) event5  - Video Bus: device is a keyboard
[    17.557] (II) config/udev: Adding input device Lid Switch (/dev/input/event1)
[    17.557] (II) No input driver specified, ignoring this device.
[    17.557] (II) This device may have been added with another device file.
[    17.559] (II) config/udev: Adding input device Sleep Button (/dev/input/event0)
[    17.559] (**) Sleep Button: Applying InputClass "libinput keyboard catchall"
[    17.559] (II) Using input driver 'libinput' for 'Sleep Button'
[    17.561] (II) systemd-logind: got fd for /dev/input/event0 13:64 fd 27 paused 0
[    17.561] (**) Sleep Button: always reports core events
[    17.561] (**) Option "Device" "/dev/input/event0"
[    17.564] (II) event0  - Sleep Button: is tagged by udev as: Keyboard
[    17.565] (II) event0  - Sleep Button: device is a keyboard
[    17.565] (II) event0  - Sleep Button: device removed
[    17.565] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input0/event0"
[    17.565] (II) XINPUT: Adding extended input device "Sleep Button" (type: KEYBOARD, id 8)
[    17.568] (II) event0  - Sleep Button: is tagged by udev as: Keyboard
[    17.569] (II) event0  - Sleep Button: device is a keyboard
[    17.573] (II) config/udev: Adding input device HDA Intel PCH Mic (/dev/input/event8)
[    17.573] (II) No input driver specified, ignoring this device.
[    17.573] (II) This device may have been added with another device file.
[    17.574] (II) config/udev: Adding input device HDA Intel PCH Headphone (/dev/input/event9)
[    17.574] (II) No input driver specified, ignoring this device.
[    17.574] (II) This device may have been added with another device file.
[    17.575] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=3 (/dev/input/event10)
[    17.575] (II) No input driver specified, ignoring this device.
[    17.575] (II) This device may have been added with another device file.
[    17.576] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=7 (/dev/input/event11)
[    17.576] (II) No input driver specified, ignoring this device.
[    17.576] (II) This device may have been added with another device file.
[    17.577] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=8 (/dev/input/event12)
[    17.577] (II) No input driver specified, ignoring this device.
[    17.577] (II) This device may have been added with another device file.
[    17.578] (II) config/udev: Adding input device Synaptics TM3289-021 (/dev/input/event7)
[    17.578] (**) Synaptics TM3289-021: Applying InputClass "libinput touchpad catchall"
[    17.578] (II) Using input driver 'libinput' for 'Synaptics TM3289-021'
[    17.580] (II) systemd-logind: got fd for /dev/input/event7 13:71 fd 28 paused 0
[    17.580] (**) Synaptics TM3289-021: always reports core events
[    17.580] (**) Option "Device" "/dev/input/event7"
[    17.582] (II) event7  - Synaptics TM3289-021: is tagged by udev as: Touchpad
[    17.587] (II) event7  - Synaptics TM3289-021: device is a touchpad
[    17.587] (II) event7  - Synaptics TM3289-021: device removed
[    17.587] (II) libinput: Synaptics TM3289-021: Step value 0 was provided, libinput Fallback acceleration function is used.
[    17.587] (II) libinput: Synaptics TM3289-021: Step value 0 was provided, libinput Fallback acceleration function is used.
[    17.587] (II) libinput: Synaptics TM3289-021: Step value 0 was provided, libinput Fallback acceleration function is used.
[    17.588] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1f.4/i2c-6/6-002c/rmi4-00/input/input9/event7"
[    17.588] (II) XINPUT: Adding extended input device "Synaptics TM3289-021" (type: TOUCHPAD, id 9)
[    17.591] (**) Option "AccelerationScheme" "none"
[    17.591] (**) Synaptics TM3289-021: (accel) selected scheme none/0
[    17.591] (**) Synaptics TM3289-021: (accel) acceleration factor: 2.000
[    17.591] (**) Synaptics TM3289-021: (accel) acceleration threshold: 4
[    17.593] (II) event7  - Synaptics TM3289-021: is tagged by udev as: Touchpad
[    17.596] (II) event7  - Synaptics TM3289-021: device is a touchpad
[    17.598] (II) config/udev: Adding input device Synaptics TM3289-021 (/dev/input/mouse0)
[    17.598] (II) No input driver specified, ignoring this device.
[    17.598] (II) This device may have been added with another device file.
[    17.599] (II) config/udev: Adding input device TPPS/2 Elan TrackPoint (/dev/input/event13)
[    17.599] (**) TPPS/2 Elan TrackPoint: Applying InputClass "libinput pointer catchall"
[    17.599] (II) Using input driver 'libinput' for 'TPPS/2 Elan TrackPoint'
[    17.600] (II) systemd-logind: got fd for /dev/input/event13 13:77 fd 29 paused 0
[    17.600] (**) TPPS/2 Elan TrackPoint: always reports core events
[    17.600] (**) Option "Device" "/dev/input/event13"
[    17.601] (II) event13 - TPPS/2 Elan TrackPoint: is tagged by udev as: Mouse Pointingstick
[    17.602] (II) event13 - TPPS/2 Elan TrackPoint: trackpoint multiplier is 0.40
[    17.602] (II) event13 - TPPS/2 Elan TrackPoint: device is a pointer
[    17.603] (II) event13 - TPPS/2 Elan TrackPoint: device removed
[    17.603] (II) libinput: TPPS/2 Elan TrackPoint: Step value 0 was provided, libinput Fallback acceleration function is used.
[    17.603] (II) libinput: TPPS/2 Elan TrackPoint: Step value 0 was provided, libinput Fallback acceleration function is used.
[    17.603] (II) libinput: TPPS/2 Elan TrackPoint: Step value 0 was provided, libinput Fallback acceleration function is used.
[    17.603] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1f.4/i2c-6/6-002c/rmi4-00/rmi4-00.fn03/serio2/input/input10/event13"
[    17.603] (II) XINPUT: Adding extended input device "TPPS/2 Elan TrackPoint" (type: MOUSE, id 10)
[    17.603] (**) Option "AccelerationScheme" "none"
[    17.603] (**) TPPS/2 Elan TrackPoint: (accel) selected scheme none/0
[    17.603] (**) TPPS/2 Elan TrackPoint: (accel) acceleration factor: 2.000
[    17.603] (**) TPPS/2 Elan TrackPoint: (accel) acceleration threshold: 4
[    17.605] (II) event13 - TPPS/2 Elan TrackPoint: is tagged by udev as: Mouse Pointingstick
[    17.606] (II) event13 - TPPS/2 Elan TrackPoint: trackpoint multiplier is 0.40
[    17.606] (II) event13 - TPPS/2 Elan TrackPoint: device is a pointer
[    17.608] (II) config/udev: Adding input device TPPS/2 Elan TrackPoint (/dev/input/mouse1)
[    17.608] (II) No input driver specified, ignoring this device.
[    17.608] (II) This device may have been added with another device file.
[    17.609] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event3)
[    17.609] (**) AT Translated Set 2 keyboard: Applying InputClass "libinput keyboard catchall"
[    17.609] (II) Using input driver 'libinput' for 'AT Translated Set 2 keyboard'
[    17.610] (II) systemd-logind: got fd for /dev/input/event3 13:67 fd 30 paused 0
[    17.610] (**) AT Translated Set 2 keyboard: always reports core events
[    17.610] (**) Option "Device" "/dev/input/event3"
[    17.611] (II) event3  - AT Translated Set 2 keyboard: is tagged by udev as: Keyboard
[    17.611] (II) event3  - AT Translated Set 2 keyboard: device is a keyboard
[    17.612] (II) event3  - AT Translated Set 2 keyboard: device removed
[    17.612] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input3/event3"
[    17.612] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 11)
[    17.613] (II) event3  - AT Translated Set 2 keyboard: is tagged by udev as: Keyboard
[    17.613] (II) event3  - AT Translated Set 2 keyboard: device is a keyboard
[    17.614] (II) config/udev: Adding input device PC Speaker (/dev/input/event6)
[    17.614] (II) No input driver specified, ignoring this device.
[    17.614] (II) This device may have been added with another device file.
[    17.618] (II) config/udev: Adding input device ThinkPad Extra Buttons (/dev/input/event4)
[    17.618] (**) ThinkPad Extra Buttons: Applying InputClass "libinput keyboard catchall"
[    17.618] (II) Using input driver 'libinput' for 'ThinkPad Extra Buttons'
[    17.619] (II) systemd-logind: got fd for /dev/input/event4 13:68 fd 31 paused 0
[    17.619] (**) ThinkPad Extra Buttons: always reports core events
[    17.619] (**) Option "Device" "/dev/input/event4"
[    17.620] (II) event4  - ThinkPad Extra Buttons: is tagged by udev as: Keyboard Switch
[    17.620] (II) event4  - ThinkPad Extra Buttons: device is a keyboard
[    17.621] (II) event4  - ThinkPad Extra Buttons: device removed
[    17.621] (**) Option "config_info" "udev:/sys/devices/platform/thinkpad_acpi/input/input5/event4"
[    17.621] (II) XINPUT: Adding extended input device "ThinkPad Extra Buttons" (type: KEYBOARD, id 12)
[    17.622] (II) event4  - ThinkPad Extra Buttons: is tagged by udev as: Keyboard Switch
[    17.622] (II) event4  - ThinkPad Extra Buttons: device is a keyboard
[    18.779] (II) intel(0): EDID vendor "BOE", prod id 1759
[    18.779] (II) intel(0): Printing DDC gathered Modelines:
[    18.779] (II) intel(0): Modeline "1920x1080"x0.0  141.40  1920 1980 2012 2142  1080 1083 1089 1100 +hsync -vsync (66.0 kHz eP)
[    18.779] (II) intel(0): Modeline "1920x1080"x0.0  113.12  1920 1968 2000 2142  1080 1083 1089 1100 +hsync -vsync (52.8 kHz e)

edit: i tried removing xf86-video-intel but it broke "startxfce4" - the x window server wouldn't launch

Last edited by magnet helper (2025-07-23 21:42:35)

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#4 2025-07-24 04:50:49

seth
Member
From: Don't DM me only for attention
Registered: 2012-09-03
Posts: 66,389

Re: [SOLVED] white pixels in display (ThinkPad X1 Carbon Gen 6)

https://archlinux.org/packages/extra/x8 … -xwininfo/

Seems ibus-ui-gtk3 is trying to create a 6x0px window (what is not a thing)

ps -p 1077 # _NET_WM_PID will change w/ a new session
[    17.247] (II) IGLX: Loaded and initialized swrast
[    17.247] (II) GLX: Initialized DRISWRAST GL provider for screen 0

Remove xf86-video-intel (that'll likely not address the immediate issue but at lease you'll no longer rendering in software emulation)

Edit:

[    16.718] (**) |-->Screen "Default Screen Section" (0)
[    16.718] (**) |   |-->Monitor "<default monitor>"
[    16.719] (==) No device specified for screen "Default Screen Section".
	Using the first device section listed.
[    16.719] (**) |   |-->Device "Intel Graphics"
grep -ri intel /{etc,usr/share}/X11/xorg.conf*

There's an explicit reference to the driver in some config file that you need to remove, too.

If you cannot fix this through ibus-ui-gtk3 you might be able to unmap or lower the window (though this is clearly a bug in ibus-ui-gtk3)

Last edited by seth (2025-07-24 04:51:58)

How to upload text · How to boot w/o GUI · Disable Windows Fast-Start! · Fix your xinitrc

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#5 2025-07-24 05:45:32

magnet helper
Member
Registered: 2025-05-23
Posts: 17

Re: [SOLVED] white pixels in display (ThinkPad X1 Carbon Gen 6)

really weird to be able to click and drag a thing that's been bugging me for weeks.

seth wrote:

There's an explicit reference to the driver in some config file

would that be /etc/X11/xorg.conf.d/20-intel.conf? currently that file contains the following:

Section "Device"
  Identifier "Intel Graphics"
  Driver "intel"
  Option "AccelMethod" "SNA"
  Option "TearFree" "false"
  Option "TripleBuffer" "false"
  Option "SwapbuffersWait" "false"
#  Option "NoAccel" "True"
#  Option "DRI" "False"
EndSection

which line(s) should i delete or comment out or edit? i've been having some performance issues with video since tweaking things - playback stutters and drops frames with 1080p stuff on youtube, and i think this machine should be entirely capable of playing that smoothly.

re: ibus, i reset the config on it and will try reinstalling the packages i was using (Japanese input) again, and see if the issue comes back with one of those packages. it's gone for now.

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#6 2025-07-24 05:48:13

seth
Member
From: Don't DM me only for attention
Registered: 2012-09-03
Posts: 66,389

Re: [SOLVED] white pixels in display (ThinkPad X1 Carbon Gen 6)

would that be /etc/X11/xorg.conf.d/20-intel.conf?

Yup.

which line(s) should i delete

The entire file.

How to upload text · How to boot w/o GUI · Disable Windows Fast-Start! · Fix your xinitrc

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#7 2025-07-24 06:24:20

magnet helper
Member
Registered: 2025-05-23
Posts: 17

Re: [SOLVED] white pixels in display (ThinkPad X1 Carbon Gen 6)

and just like that, huge performance boost. thank you so much!

neither of the IMEs i used seem to have brought the problem back. resetting the ibus config seems to have fixed things. marking as solved.

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