After a recent update terminal text is slow to display/X11 windows lag

tux001 · 2026-03-26 03:14:15

After an upgrade earlier this week or so suddenly my machine lags when I run commands in my terminal (xterm) such as:
- dmesg
- journalctl -k --no-pager
- resize X11 windows

This problem has never existed before and nothing outside of the recent upgrade has changed.

seth · 2026-03-26 08:14:50

Please post your Xorg log, https://wiki.archlinux.org/title/Xorg#General

tux001 · 2026-03-26 13:48:54

Here is my Xorg.log

[    10.491] 
X.Org X Server 1.21.1.21
X Protocol Version 11, Revision 0
[    10.491] Current Operating System: Linux box 6.19.9-arch1-1 #1 SMP PREEMPT_DYNAMIC Thu, 19 Mar 2026 16:33:17 +0000 x86_64
[    10.491] Kernel command line: BOOT_IMAGE=/vmlinuz-linux root=UUID=601dabb4-3e28-4f92-806d-d26c809d5f25 rw loglevel=3 quiet
[    10.491]  
[    10.491] Current version of pixman: 0.46.4
[    10.491] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[    10.491] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    10.491] (==) Log file: "/home/user/.local/share/xorg/Xorg.0.log", Time: Wed Mar 25 12:54:44 2026
[    10.491] (==) Using config directory: "/etc/X11/xorg.conf.d"
[    10.491] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[    10.492] (==) No Layout section.  Using the first Screen section.
[    10.492] (==) No screen section available. Using defaults.
[    10.492] (**) |-->Screen "Default Screen Section" (0)
[    10.492] (**) |   |-->Monitor "<default monitor>"
[    10.492] (==) No monitor specified for screen "Default Screen Section".
	Using a default monitor configuration.
[    10.492] (**) Allowing byte-swapped clients
[    10.492] (==) Automatically adding devices
[    10.492] (==) Automatically enabling devices
[    10.492] (==) Automatically adding GPU devices
[    10.492] (==) Automatically binding GPU devices
[    10.492] (==) Max clients allowed: 256, resource mask: 0x1fffff
[    10.493] (**) FontPath set to:
	/usr/share/fonts/TTF/,
	/usr/share/fonts/misc,
	/usr/share/fonts/TTF,
	/usr/share/fonts/OTF,
	/usr/share/fonts/Type1,
	/usr/share/fonts/100dpi,
	/usr/share/fonts/75dpi
[    10.493] (==) ModulePath set to "/usr/lib/xorg/modules"
[    10.493] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[    10.493] (II) Module ABI versions:
[    10.493] 	X.Org ANSI C Emulation: 0.4
[    10.493] 	X.Org Video Driver: 25.2
[    10.493] 	X.Org XInput driver : 24.4
[    10.493] 	X.Org Server Extension : 10.0
[    10.493] (++) using VT number 1

[    10.494] (II) systemd-logind: took control of session /org/freedesktop/login1/session/_31
[    10.494] (II) xfree86: Adding drm device (/dev/dri/card1)
[    10.494] (II) Platform probe for /sys/devices/pci0000:00/0000:00:01.0/drm/card1
[    10.495] (II) systemd-logind: got fd for /dev/dri/card1 226:1 fd 13 paused 0
[    10.497] (--) PCI:*(0@0:1:0) 1af4:1050:1af4:1100 rev 1, Mem @ 0x80000000/8388608, 0xc1c0000000/16384, 0x82453000/4096, BIOS @ 0x????????/131072
[    10.497] (II) LoadModule: "glx"
[    10.498] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[    10.500] (II) Module glx: vendor="X.Org Foundation"
[    10.500] 	compiled for 1.21.1.21, module version = 1.0.0
[    10.500] 	ABI class: X.Org Server Extension, version 10.0
[    10.500] (==) Matched modesetting as autoconfigured driver 0
[    10.500] (==) Matched fbdev as autoconfigured driver 1
[    10.500] (==) Matched vesa as autoconfigured driver 2
[    10.500] (==) Assigned the driver to the xf86ConfigLayout
[    10.500] (II) LoadModule: "modesetting"
[    10.500] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[    10.500] (II) Module modesetting: vendor="X.Org Foundation"
[    10.500] 	compiled for 1.21.1.21, module version = 1.21.1
[    10.500] 	Module class: X.Org Video Driver
[    10.500] 	ABI class: X.Org Video Driver, version 25.2
[    10.500] (II) LoadModule: "fbdev"
[    10.500] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[    10.500] (II) Module fbdev: vendor="X.Org Foundation"
[    10.500] 	compiled for 1.21.1.14, module version = 0.5.1
[    10.500] 	Module class: X.Org Video Driver
[    10.500] 	ABI class: X.Org Video Driver, version 25.2
[    10.500] (II) LoadModule: "vesa"
[    10.500] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[    10.501] (II) Module vesa: vendor="X.Org Foundation"
[    10.501] 	compiled for 1.21.1.11, module version = 2.6.0
[    10.501] 	Module class: X.Org Video Driver
[    10.501] 	ABI class: X.Org Video Driver, version 25.2
[    10.501] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[    10.501] (II) FBDEV: driver for framebuffer: fbdev
[    10.501] (II) VESA: driver for VESA chipsets: vesa
[    10.501] xf86EnableIO: failed to enable I/O ports 0000-03ff (Operation not permitted)
[    10.501] (II) modeset(0): using drv /dev/dri/card1
[    10.501] (WW) Falling back to old probe method for fbdev
[    10.501] (II) Loading sub module "fbdevhw"
[    10.501] (II) LoadModule: "fbdevhw"
[    10.501] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[    10.501] (II) Module fbdevhw: vendor="X.Org Foundation"
[    10.501] 	compiled for 1.21.1.21, module version = 0.0.2
[    10.501] 	ABI class: X.Org Video Driver, version 25.2
[    10.501] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
[    10.501] (II) modeset(0): Creating default Display subsection in Screen section
	"Default Screen Section" for depth/fbbpp 24/32
[    10.501] (==) modeset(0): Depth 24, (==) framebuffer bpp 32
[    10.501] (==) modeset(0): RGB weight 888
[    10.501] (==) modeset(0): Default visual is TrueColor
[    10.501] (II) Loading sub module "glamoregl"
[    10.501] (II) LoadModule: "glamoregl"
[    10.501] (II) Loading /usr/lib/xorg/modules/libglamoregl.so
[    10.503] (II) Module glamoregl: vendor="X.Org Foundation"
[    10.503] 	compiled for 1.21.1.21, module version = 1.0.1
[    10.503] 	ABI class: X.Org ANSI C Emulation, version 0.4
[    10.643] (II) modeset(0): glamor: Using OpenGL 4.5 context.
[    10.643] (II) modeset(0): Refusing to try glamor on llvmpipe
[    10.644] (II) modeset(0): glamor initialization failed
[    10.644] (II) modeset(0): ShadowFB: preferred NO, enabled NO
[    10.644] (II) modeset(0): Output Virtual-1 has no monitor section
[    10.645] (II) modeset(0): EDID for output Virtual-1
[    10.645] (II) modeset(0): Manufacturer: RHT  Model: 1234  Serial#: 0
[    10.645] (II) modeset(0): Year: 2014  Week: 42
[    10.645] (II) modeset(0): EDID Version: 1.4
[    10.645] (II) modeset(0): Digital Display Input
[    10.645] (II) modeset(0): 8 bits per channel
[    10.645] (II) modeset(0): Digital interface is DisplayPort
[    10.645] (II) modeset(0): Max Image Size [cm]: horiz.: 32  vert.: 20
[    10.645] (II) modeset(0): Gamma: 2.20
[    10.645] (II) modeset(0): No DPMS capabilities specified
[    10.645] (II) modeset(0): Supported color encodings: RGB 4:4:4 
[    10.645] (II) modeset(0): Default color space is primary color space
[    10.645] (II) modeset(0): First detailed timing is preferred mode
[    10.645] (II) modeset(0): Preferred mode is native pixel format and refresh rate
[    10.645] (II) modeset(0): redX: 0.640 redY: 0.330   greenX: 0.300 greenY: 0.600
[    10.645] (II) modeset(0): blueX: 0.150 blueY: 0.060   whiteX: 0.312 whiteY: 0.329
[    10.645] (II) modeset(0): Supported established timings:
[    10.645] (II) modeset(0): 640x480@60Hz
[    10.645] (II) modeset(0): 800x600@60Hz
[    10.645] (II) modeset(0): 1024x768@60Hz
[    10.645] (II) modeset(0): Manufacturer's mask: 0
[    10.645] (II) modeset(0): Supported standard timings:
[    10.645] (II) modeset(0): #0: hsize: 2048  vsize 1152  refresh: 60  vid: 49377
[    10.645] (II) modeset(0): #1: hsize: 1920  vsize 1080  refresh: 60  vid: 49361
[    10.645] (II) modeset(0): #2: hsize: 1920  vsize 1200  refresh: 60  vid: 209
[    10.645] (II) modeset(0): #3: hsize: 1600  vsize 1200  refresh: 60  vid: 16553
[    10.645] (II) modeset(0): #4: hsize: 1680  vsize 1050  refresh: 60  vid: 179
[    10.645] (II) modeset(0): #5: hsize: 1440  vsize 900  refresh: 60  vid: 149
[    10.645] (II) modeset(0): #6: hsize: 1280  vsize 1024  refresh: 60  vid: 32897
[    10.645] (II) modeset(0): #7: hsize: 1280  vsize 960  refresh: 60  vid: 16513
[    10.645] (II) modeset(0): Supported detailed timing:
[    10.645] (II) modeset(0): clock: 107.3 MHz   Image Size:  325 x 203 mm
[    10.645] (II) modeset(0): h_active: 1280  h_sync: 1600  h_sync_end 1638 h_blank_end 1728 h_border: 0
[    10.645] (II) modeset(0): v_active: 800  v_sync: 804  v_sync_end 808 v_blanking: 828 v_border: 0
[    10.645] (II) modeset(0): Established timings III: (not decoded)
[    10.645] (II) modeset(0): Ranges: V min: 50 V max: 125 Hz, H min: 30 H max: 160 kHz,
[    10.645] (II) modeset(0): Monitor name: QEMU Monitor
[    10.645] (II) modeset(0): Number of EDID sections to follow: 1
[    10.645] (II) modeset(0): EDID (in hex):
[    10.645] (II) modeset(0): 	00ffffffffffff004914341200000000
[    10.645] (II) modeset(0): 	2a180104a520147806ee91a3544c9926
[    10.645] (II) modeset(0): 	0f5054210800e1c0d1c0d100a940b300
[    10.645] (II) modeset(0): 	950081808140ea2900c051201c304026
[    10.645] (II) modeset(0): 	444045cb10000018000000f7000a0040
[    10.645] (II) modeset(0): 	82002820000000000000000000fd0032
[    10.645] (II) modeset(0): 	7d1ea0ff010a202020202020000000fc
[    10.645] (II) modeset(0): 	0051454d55204d6f6e69746f720a013a
[    10.645] (II) modeset(0): 	02030b00467d6560591f610000001000
[    10.645] (II) modeset(0): 	00000000000000000000000000000000
[    10.645] (II) modeset(0): 	10000000000000000000000000000000
[    10.645] (II) modeset(0): 	00001000000000000000000000000000
[    10.645] (II) modeset(0): 	00000000100000000000000000000000
[    10.645] (II) modeset(0): 	00000000000010000000000000000000
[    10.645] (II) modeset(0): 	00000000000000001000000000000000
[    10.645] (II) modeset(0): 	0000000000000000000000000000002f
[    10.645] (II) modeset(0): Printing probed modes for output Virtual-1
[    10.645] (II) modeset(0): Modeline "1280x800"x75.0  107.30  1280 1600 1638 1728  800 804 808 828 -hsync -vsync (62.1 kHz eP)
[    10.645] (II) modeset(0): Modeline "5120x2160"x50.0  742.50  5120 6216 6304 6600  2160 2168 2178 2250 +hsync +vsync (112.5 kHz e)
[    10.645] (II) modeset(0): Modeline "4096x2160"x50.0  594.00  4096 5064 5152 5280  2160 2168 2178 2250 +hsync +vsync (112.5 kHz e)
[    10.645] (II) modeset(0): Modeline "3840x2160"x60.0  594.00  3840 4016 4104 4400  2160 2168 2178 2250 +hsync +vsync (135.0 kHz e)
[    10.645] (II) modeset(0): Modeline "3840x2160"x50.0  594.00  3840 4896 4984 5280  2160 2168 2178 2250 +hsync +vsync (112.5 kHz e)
[    10.645] (II) modeset(0): Modeline "3840x2160"x59.9  593.41  3840 4016 4104 4400  2160 2168 2178 2250 +hsync +vsync (134.9 kHz e)
[    10.645] (II) modeset(0): Modeline "1920x1440"x60.0  234.00  1920 2048 2256 2600  1440 1441 1444 1500 -hsync +vsync (90.0 kHz e)
[    10.645] (II) modeset(0): Modeline "2560x1080"x50.0  185.62  2560 3108 3152 3300  1080 1084 1089 1125 +hsync +vsync (56.2 kHz e)
[    10.645] (II) modeset(0): Modeline "1856x1392"x60.0  218.25  1856 1952 2176 2528  1392 1393 1396 1439 -hsync +vsync (86.3 kHz e)
[    10.645] (II) modeset(0): Modeline "1792x1344"x60.0  204.75  1792 1920 2120 2448  1344 1345 1348 1394 -hsync +vsync (83.6 kHz e)
[    10.645] (II) modeset(0): Modeline "2048x1152"x60.0  162.00  2048 2074 2154 2250  1152 1153 1156 1200 +hsync +vsync (72.0 kHz e)
[    10.645] (II) modeset(0): Modeline "1920x1200"x59.9  193.25  1920 2056 2256 2592  1200 1203 1209 1245 -hsync +vsync (74.6 kHz e)
[    10.645] (II) modeset(0): Modeline "1920x1080"x60.0  148.50  1920 2008 2052 2200  1080 1084 1089 1125 -hsync -vsync (67.5 kHz e)
[    10.645] (II) modeset(0): Modeline "1920x1080"x50.0  148.50  1920 2448 2492 2640  1080 1084 1089 1125 +hsync +vsync (56.2 kHz e)
[    10.645] (II) modeset(0): Modeline "1600x1200"x60.0  162.00  1600 1664 1856 2160  1200 1201 1204 1250 +hsync +vsync (75.0 kHz e)
[    10.645] (II) modeset(0): Modeline "1680x1050"x60.0  146.25  1680 1784 1960 2240  1050 1053 1059 1089 -hsync +vsync (65.3 kHz e)
[    10.645] (II) modeset(0): Modeline "1400x1050"x60.0  121.75  1400 1488 1632 1864  1050 1053 1057 1089 -hsync +vsync (65.3 kHz e)
[    10.645] (II) modeset(0): Modeline "1280x1024"x60.0  108.00  1280 1328 1440 1688  1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[    10.645] (II) modeset(0): Modeline "1440x900"x59.9  106.50  1440 1520 1672 1904  900 903 909 934 -hsync +vsync (55.9 kHz e)
[    10.645] (II) modeset(0): Modeline "1280x960"x60.0  108.00  1280 1376 1488 1800  960 961 964 1000 +hsync +vsync (60.0 kHz e)
[    10.645] (II) modeset(0): Modeline "1360x768"x60.0   85.50  1360 1424 1536 1792  768 771 777 795 +hsync +vsync (47.7 kHz e)
[    10.645] (II) modeset(0): Modeline "1280x768"x59.9   79.50  1280 1344 1472 1664  768 771 778 798 -hsync +vsync (47.8 kHz e)
[    10.645] (II) modeset(0): Modeline "1024x768"x60.0   65.00  1024 1048 1184 1344  768 771 777 806 -hsync -vsync (48.4 kHz e)
[    10.645] (II) modeset(0): Modeline "800x600"x60.3   40.00  800 840 968 1056  600 601 605 628 +hsync +vsync (37.9 kHz e)
[    10.645] (II) modeset(0): Modeline "640x480"x60.0   25.20  640 656 752 800  480 490 492 525 -hsync -vsync (31.5 kHz e)
[    10.645] (II) modeset(0): Modeline "640x480"x59.9   25.18  640 656 752 800  480 490 492 525 -hsync -vsync (31.5 kHz e)
[    10.645] (II) modeset(0): Output Virtual-1 connected
[    10.645] (II) modeset(0): Using exact sizes for initial modes
[    10.645] (II) modeset(0): Output Virtual-1 using initial mode 1280x800 +0+0
[    10.645] (==) modeset(0): Using gamma correction (1.0, 1.0, 1.0)
[    10.645] (==) modeset(0): DPI set to (96, 96)
[    10.645] (II) Loading sub module "fb"
[    10.645] (II) LoadModule: "fb"
[    10.645] (II) Module "fb" already built-in
[    10.645] (II) UnloadModule: "fbdev"
[    10.645] (II) Unloading fbdev
[    10.645] (II) UnloadSubModule: "fbdevhw"
[    10.645] (II) Unloading fbdevhw
[    10.645] (II) UnloadModule: "vesa"
[    10.645] (II) Unloading vesa
[    10.645] (==) modeset(0): Backing store enabled
[    10.645] (==) modeset(0): Silken mouse enabled
[    10.655] (II) modeset(0): Initializing kms color map for depth 24, 8 bpc.
[    10.655] (==) modeset(0): DPMS enabled
[    10.655] (II) Initializing extension Generic Event Extension
[    10.655] (II) Initializing extension SHAPE
[    10.655] (II) Initializing extension MIT-SHM
[    10.655] (II) Initializing extension XInputExtension
[    10.655] (II) Initializing extension XTEST
[    10.656] (II) Initializing extension BIG-REQUESTS
[    10.656] (II) Initializing extension SYNC
[    10.656] (II) Initializing extension XKEYBOARD
[    10.656] (II) Initializing extension XC-MISC
[    10.656] (II) Initializing extension SECURITY
[    10.656] (II) Initializing extension XFIXES
[    10.656] (II) Initializing extension RENDER
[    10.656] (II) Initializing extension RANDR
[    10.656] (II) Initializing extension COMPOSITE
[    10.656] (II) Initializing extension DAMAGE
[    10.656] (II) Initializing extension MIT-SCREEN-SAVER
[    10.656] (II) Initializing extension DOUBLE-BUFFER
[    10.656] (II) Initializing extension RECORD
[    10.656] (II) Initializing extension DPMS
[    10.656] (II) Initializing extension Present
[    10.656] (II) Initializing extension DRI3
[    10.656] (II) Initializing extension X-Resource
[    10.656] (II) Initializing extension XVideo
[    10.657] (II) Initializing extension XVideo-MotionCompensation
[    10.657] (II) Initializing extension GLX
[    10.657] (II) AIGLX: Screen 0 is not DRI2 capable
[    10.662] (II) IGLX: Loaded and initialized swrast
[    10.662] (II) GLX: Initialized DRISWRAST GL provider for screen 0
[    10.662] (II) Initializing extension XFree86-VidModeExtension
[    10.662] (II) Initializing extension XFree86-DGA
[    10.662] (II) Initializing extension XFree86-DRI
[    10.662] (II) Initializing extension DRI2
[    10.662] (II) modeset(0): Damage tracking initialized
[    10.662] (II) modeset(0): Setting screen physical size to 338 x 211
[    10.739] (II) config/udev: Adding input device Power Button (/dev/input/event0)
[    10.739] (**) Power Button: Applying InputClass "libinput keyboard catchall"
[    10.739] (II) LoadModule: "libinput"
[    10.739] (II) Loading /usr/lib/xorg/modules/input/libinput_drv.so
[    10.741] (II) Module libinput: vendor="X.Org Foundation"
[    10.741] 	compiled for 1.21.1.13, module version = 1.5.0
[    10.741] 	Module class: X.Org XInput Driver
[    10.741] 	ABI class: X.Org XInput driver, version 24.4
[    10.741] (II) Using input driver 'libinput' for 'Power Button'
[    10.742] (II) systemd-logind: got fd for /dev/input/event0 13:64 fd 21 paused 0
[    10.742] (**) Power Button: always reports core events
[    10.742] (**) Option "Device" "/dev/input/event0"
[    10.746] (II) event0  - Power Button: is tagged by udev as: Keyboard
[    10.746] (II) event0  - Power Button: device is a keyboard
[    10.746] (II) event0  - Power Button: device removed
[    10.746] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input0/event0"
[    10.746] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6)
[    10.746] (II) event0  - Power Button: is tagged by udev as: Keyboard
[    10.746] (II) event0  - Power Button: device is a keyboard
[    10.747] (II) config/udev: Adding input device QEMU QEMU USB Tablet (/dev/input/event2)
[    10.747] (**) QEMU QEMU USB Tablet: Applying InputClass "libinput pointer catchall"
[    10.747] (II) Using input driver 'libinput' for 'QEMU QEMU USB Tablet'
[    10.892] (II) systemd-logind: got fd for /dev/input/event2 13:66 fd 24 paused 0
[    10.892] (**) QEMU QEMU USB Tablet: always reports core events
[    10.892] (**) Option "Device" "/dev/input/event2"
[    10.893] (II) event2  - QEMU QEMU USB Tablet: is tagged by udev as: Mouse
[    10.893] (II) event2  - QEMU QEMU USB Tablet: device is a pointer
[    10.894] (II) event2  - QEMU QEMU USB Tablet: device removed
[    10.894] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb1/1-1/1-1:1.0/0003:0627:0001.0001/input/input3/event2"
[    10.894] (II) XINPUT: Adding extended input device "QEMU QEMU USB Tablet" (type: MOUSE, id 7)
[    10.894] (**) Option "AccelerationScheme" "none"
[    10.894] (**) QEMU QEMU USB Tablet: (accel) selected scheme none/0
[    10.894] (**) QEMU QEMU USB Tablet: (accel) acceleration factor: 2.000
[    10.894] (**) QEMU QEMU USB Tablet: (accel) acceleration threshold: 4
[    10.895] (II) event2  - QEMU QEMU USB Tablet: is tagged by udev as: Mouse
[    10.895] (II) event2  - QEMU QEMU USB Tablet: device is a pointer
[    10.896] (II) config/udev: Adding input device QEMU QEMU USB Tablet (/dev/input/js0)
[    10.896] (II) No input driver specified, ignoring this device.
[    10.896] (II) This device may have been added with another device file.
[    10.896] (II) config/udev: Adding input device QEMU QEMU USB Tablet (/dev/input/mouse0)
[    10.896] (II) No input driver specified, ignoring this device.
[    10.896] (II) This device may have been added with another device file.
[    10.897] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event1)
[    10.897] (**) AT Translated Set 2 keyboard: Applying InputClass "libinput keyboard catchall"
[    10.897] (II) Using input driver 'libinput' for 'AT Translated Set 2 keyboard'
[    10.897] (II) systemd-logind: got fd for /dev/input/event1 13:65 fd 25 paused 0
[    10.897] (**) AT Translated Set 2 keyboard: always reports core events
[    10.897] (**) Option "Device" "/dev/input/event1"
[    10.898] (II) event1  - AT Translated Set 2 keyboard: is tagged by udev as: Keyboard
[    10.898] (II) event1  - AT Translated Set 2 keyboard: device is a keyboard
[    10.898] (II) event1  - AT Translated Set 2 keyboard: device removed
[    10.898] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input1/event1"
[    10.898] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 8)
[    10.899] (II) event1  - AT Translated Set 2 keyboard: is tagged by udev as: Keyboard
[    10.899] (II) event1  - AT Translated Set 2 keyboard: device is a keyboard
[    10.899] (II) config/udev: Adding input device ImExPS/2 Generic Explorer Mouse (/dev/input/event4)
[    10.899] (**) ImExPS/2 Generic Explorer Mouse: Applying InputClass "libinput pointer catchall"
[    10.899] (II) Using input driver 'libinput' for 'ImExPS/2 Generic Explorer Mouse'
[    10.900] (II) systemd-logind: got fd for /dev/input/event4 13:68 fd 26 paused 0
[    10.900] (**) ImExPS/2 Generic Explorer Mouse: always reports core events
[    10.900] (**) Option "Device" "/dev/input/event4"
[    10.900] (II) event4  - ImExPS/2 Generic Explorer Mouse: is tagged by udev as: Mouse
[    10.900] (II) event4  - ImExPS/2 Generic Explorer Mouse: emulating high-resolution scroll wheel events.
[    10.900] (II) event4  - ImExPS/2 Generic Explorer Mouse: device is a pointer
[    10.900] (II) event4  - ImExPS/2 Generic Explorer Mouse: device removed
[    10.900] (II) libinput: ImExPS/2 Generic Explorer Mouse: Step value 0 was provided, libinput Fallback acceleration function is used.
[    10.900] (II) libinput: ImExPS/2 Generic Explorer Mouse: Step value 0 was provided, libinput Fallback acceleration function is used.
[    10.900] (II) libinput: ImExPS/2 Generic Explorer Mouse: Step value 0 was provided, libinput Fallback acceleration function is used.
[    10.900] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input5/event4"
[    10.900] (II) XINPUT: Adding extended input device "ImExPS/2 Generic Explorer Mouse" (type: MOUSE, id 9)
[    10.900] (**) Option "AccelerationScheme" "none"
[    10.900] (**) ImExPS/2 Generic Explorer Mouse: (accel) selected scheme none/0
[    10.900] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration factor: 2.000
[    10.900] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration threshold: 4
[    10.901] (II) event4  - ImExPS/2 Generic Explorer Mouse: is tagged by udev as: Mouse
[    10.901] (II) event4  - ImExPS/2 Generic Explorer Mouse: emulating high-resolution scroll wheel events.
[    10.901] (II) event4  - ImExPS/2 Generic Explorer Mouse: device is a pointer
[    10.902] (II) config/udev: Adding input device ImExPS/2 Generic Explorer Mouse (/dev/input/mouse1)
[    10.902] (II) No input driver specified, ignoring this device.
[    10.902] (II) This device may have been added with another device file.
[    10.902] (II) config/udev: Adding input device PC Speaker (/dev/input/event3)
[    10.902] (II) No input driver specified, ignoring this device.
[    10.902] (II) This device may have been added with another device file.
[    13.843] (II) modeset(0): Allocate new frame buffer 1920x1080 stride
[  7569.658] (EE) event2  - QEMU QEMU USB Tablet: client bug: event processing lagging behind by 25ms, your system is too slow
[  8378.566] (EE) event2  - QEMU QEMU USB Tablet: client bug: event processing lagging behind by 25ms, your system is too slow

seth · 2026-03-26 13:59:52

[    10.497] (--) PCI:*(0@0:1:0) 1af4:1050:1af4:1100 rev 1, Mem @ 0x80000000/8388608, 0xc1c0000000/16384, 0x82453000/4096, BIOS @ 0x????????/131072

Is this a virtual machine?

[    10.662] (II) GLX: Initialized DRISWRAST GL provider for screen 0

Your rendering in software for sure, no idea whether that can explain the symptoms.

What was in those updates?
See /var/log/pacman.log

tux001 · 2026-03-27 01:47:33

Yup this is a VM with virtiogpu which unfortunately has been running llvmpipe (software rendering mesa).

However I've been running this vm as my daily driver for over a year with no issues. The latest update just borked things so my terminal display lags hard.

pacman log with relevant updates (grep tty)

[2026-03-25T12:54:11-0400] [PACMAN] Running 'pacman -Syu'
[2026-03-25T12:54:11-0400] [PACMAN] synchronizing package lists
[2026-03-25T12:54:12-0400] [PACMAN] starting full system upgrade
[2026-03-25T12:54:18-0400] [ALPM] running 'ghc-unregister.hook'...
[2026-03-25T12:54:21-0400] [ALPM] transaction started
[2026-03-25T12:54:21-0400] [ALPM] upgraded bind (9.20.20-1 -> 9.20.21-1)
[2026-03-25T12:54:21-0400] [ALPM] upgraded pango (1:1.57.0-2 -> 1:1.57.1-1)
[2026-03-25T12:54:21-0400] [ALPM] upgraded gtk3 (1:3.24.51-1 -> 1:3.24.52-1)
[2026-03-25T12:54:21-0400] [ALPM] upgraded firefox (148.0.2-1 -> 149.0-1)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-aeson (2.2.0.0-2 -> 2.2.1.0-1)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-attoparsec-aeson (2.2.0.0-2 -> 2.2.0.0-3)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-aeson-pretty (0.8.10-145 -> 0.8.10-146)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-bitvec (1.1.5.0-38 -> 1.1.5.0-39)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-cborg (0.2.10.0-81 -> 0.2.10.0-82)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-pandoc-types (1.23.1-159 -> 1.23.1-160)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-vector-algorithms (0.9.1.0-118 -> 0.9.1.0-119)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-mono-traversable (1.0.21.0-130 -> 1.0.21.0-131)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-conduit (1.3.6.1-128 -> 1.3.6.1-129)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-conduit-extra (1.3.8-71 -> 1.3.8-72)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-xml-conduit (1.9.1.4-145 -> 1.9.1.4-146)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-citeproc (0.8.1.1-79 -> 0.8.1.1-80)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-commonmark-pandoc (0.2.2.3-41 -> 0.2.2.3-42)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-serialise (0.2.6.1-169 -> 0.2.6.1-170)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-tls (2.0.6-66 -> 2.0.6-67)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-crypton-connection (0.4.5-21 -> 0.4.5-22)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-doctemplates (0.11.0.1-71 -> 0.11.0.1-72)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-haddock-library (1.11.0-178 -> 1.11.0-179)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-hslua-aeson (2.3.1.1-46 -> 2.3.1.1-47)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-hslua (2.3.0-198 -> 2.3.0-199)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-hslua-module-doclayout (1.2.0-6 -> 1.2.0-7)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-hslua-module-path (1.1.1-100 -> 1.1.1-101)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-hslua-module-version (1.1.1-142 -> 1.1.1-143)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-http-client-tls (0.3.6.4-132 -> 0.3.6.4-133)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-http2 (5.1.0-11 -> 5.1.0-12)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-ipynb (0.2-278 -> 0.2-279)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-libyaml (0.1.4-156 -> 0.1.4-157)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-skylighting-core (0.14.3-18 -> 0.14.3-19)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-skylighting-format-ansi (0.1-287 -> 0.1-288)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-skylighting-format-blaze-html (0.1.1.3-141 -> 0.1.1.3-142)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-skylighting-format-context (0.1.0.2-251 -> 0.1.0.2-252)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-skylighting-format-latex (0.1-286 -> 0.1-287)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-skylighting (0.14.3-18 -> 0.14.3-19)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-texmath (0.12.8.11-10 -> 0.12.8.11-11)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-yaml (0.11.11.2-200 -> 0.11.11.2-201)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-typst (0.6-14 -> 0.6-15)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-pandoc (3.5-5 -> 3.5-6)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-pandoc-lua-marshal (0.2.9-10 -> 0.2.9-11)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-pandoc-lua-engine (0.3.3-7 -> 0.3.3-8)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-servant (0.20.3.0-46 -> 0.20.3.0-47)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-simple-sendfile (0.2.32-191 -> 0.2.32-192)
[2026-03-25T12:54:21-0400] [ALPM] upgraded haskell-warp (3.4.0-12 -> 3.4.0-13)
[2026-03-25T12:54:22-0400] [ALPM] upgraded haskell-wai-extra (3.1.18-34 -> 3.1.18-35)
[2026-03-25T12:54:22-0400] [ALPM] upgraded haskell-wai-app-static (3.1.9-226 -> 3.1.9-227)
[2026-03-25T12:54:22-0400] [ALPM] upgraded haskell-servant-server (0.20.3.0-60 -> 0.20.3.0-61)
[2026-03-25T12:54:22-0400] [ALPM] upgraded haskell-pandoc-server (0.1.0.9-5 -> 0.1.0.9-6)
[2026-03-25T12:54:22-0400] [ALPM] upgraded libptytty (2.0-5 -> 2.0-6)
[2026-03-25T12:54:22-0400] [ALPM] upgraded pandoc-cli (3.5-8 -> 3.5-9)
[2026-03-25T12:54:22-0400] [ALPM] upgraded tiled (1.12.0-1 -> 1.12.1-1)
[2026-03-25T12:54:22-0400] [ALPM] transaction completed
[2026-03-25T12:54:22-0400] [ALPM] running '20-systemd-sysusers.hook'...
[2026-03-25T12:54:22-0400] [ALPM] running '21-systemd-tmpfiles.hook'...
[2026-03-25T12:54:22-0400] [ALPM] running '30-systemd-daemon-reload-system.hook'...
[2026-03-25T12:54:22-0400] [ALPM] running '30-update-mime-database.hook'...
[2026-03-25T12:54:22-0400] [ALPM] running '35-systemd-enqueue-marked.hook'...
[2026-03-25T12:54:22-0400] [ALPM] running '35-systemd-update.hook'...
[2026-03-25T12:54:22-0400] [ALPM] running 'ghc-register.hook'...
[2026-03-25T12:54:24-0400] [ALPM] running 'glib-compile-schemas.hook'...
[2026-03-25T12:54:24-0400] [ALPM] running 'gtk-query-immodules-3.0.hook'...
[2026-03-25T12:54:25-0400] [ALPM] running 'gtk-update-icon-cache.hook'...
[2026-03-25T12:54:25-0400] [ALPM] running 'update-desktop-database.hook'...
[2026-03-25T19:49:06-0400] [PACMAN] Running 'pacman -S virgl'
[2026-03-25T19:49:33-0400] [PACMAN] Running 'pacman -S virglrenderer'
[2026-03-25T19:49:35-0400] [ALPM] transaction started
[2026-03-25T19:49:35-0400] [ALPM] installed virglrenderer (1.2.0-1)
[2026-03-25T19:49:35-0400] [ALPM] transaction completed
[2026-03-25T19:49:35-0400] [ALPM] running '35-systemd-update.hook'...
[2026-03-26T00:00:00-0400] [PACMAN] Running '/usr/bin/pacman -Sy'
[2026-03-26T00:00:00-0400] [PACMAN] synchronizing package lists

seth · 2026-03-27 08:26:15

grep tty

https://archlinux.org/packages/extra/x86_64/libptytty/
Hold on, is this strictly tied to using urxvt?

Otherwise

[2026-03-25T19:49:06-0400] [PACMAN] Running 'pacman -S virgl'
[2026-03-25T19:49:33-0400] [PACMAN] Running 'pacman -S virglrenderer'
[2026-03-25T19:49:35-0400] [ALPM] transaction started
[2026-03-25T19:49:35-0400] [ALPM] installed virglrenderer (1.2.0-1)

tux001 · 2026-03-27 12:37:18

My terminal is xterm

seth · 2026-03-27 14:58:25

What did you then mean to imply by "grep tty"?
Is this strictly tied to using xterm or does it affect *any* X11 window?

What's up w/ the virgl* stuff?
Mitigational effort or potential cause?

tux001 · 2026-03-27 20:59:43

What did you then mean to imply by "grep tty"?
Is this strictly tied to using xterm or does it affect *any* X11 window?
What's up w/ the virgl* stuff?
Mitigational effort or potential cause?

I grepped for tty because I assumed an update related to tty broke things.
It's not strictly xterm. Terminals seem to render text slowly and windows no longer render while being resized. They used to.
The virgl stuff is a tangent I've been trying to mitigate this problem with, and have failed so far heh.

seth · 2026-03-27 21:08:14

w/ all the haskell stuff in the update, do you use xmonad as WM?
Same problem w/ eg. openbox?

There's not much else, pango and gtk3 would affect (only) gtk(3) clients

tux001 · 2026-03-29 00:33:05

I have noticed tons of haskell updates in general. I don't use xmonad. I actually run a nice lightweight wm called evilwm.

seth · 2026-03-29 08:14:53

If you roll back the suspected update, does that actually resolve the problem?
https://wiki.archlinux.org/title/Arch_L … cific_date

tux001 · 2026-03-31 20:27:13

I tried rolling back to the beginning of march but got errors relating to LUA54 which caused it to fail.

seth · 2026-03-31 20:43:57

got errors relating to LUA54

Please don't paraphrase, https://bbs.archlinux.org/viewtopic.php?id=57855

I'd suspect what that you ran into lua55 becoming lua and lua becoming lua54, but that was last december…?

Edit: it might help to downgrade incrementally, ie. first to March 15th and then March 1st

Last edited by seth (2026-03-31 20:45:26)

tux001 · 2026-04-01 21:06:16

My mistake.

This is the result of trying to downgrade to "Server = https://archive.archlinux.org/repos/2026/03/21/$repo/os/$arch"

:: Proceed with installation? [Y/n] y
(395/395) checking keys in keyring                                                                                 [#####################################################################] 100%
(395/395) checking package integrity                                                                               [#####################################################################] 100%
(395/395) loading package files                                                                                    [#####################################################################] 100%
(395/395) checking for file conflicts                                                                              [#####################################################################] 100%
error: failed to commit transaction (conflicting files)
lua: /usr/bin/lua5.4 exists in filesystem (owned by lua54)
lua: /usr/bin/luac5.4 exists in filesystem (owned by lua54)
lua: /usr/lib/liblua++5.4.so exists in filesystem (owned by lua54)
lua: /usr/lib/liblua.so.5.4 exists in filesystem (owned by lua54)
lua: /usr/lib/liblua.so.5.4.8 exists in filesystem (owned by lua54)
lua: /usr/lib/liblua5.4.so exists in filesystem (owned by lua54)
lua: /usr/lib/pkgconfig/lua++-5.4.pc exists in filesystem (owned by lua54)
lua: /usr/lib/pkgconfig/lua++5.4.pc exists in filesystem (owned by lua54)
lua: /usr/lib/pkgconfig/lua++54.pc exists in filesystem (owned by lua54)
lua: /usr/lib/pkgconfig/lua-5.4.pc exists in filesystem (owned by lua54)
lua: /usr/lib/pkgconfig/lua5.4.pc exists in filesystem (owned by lua54)
lua: /usr/lib/pkgconfig/lua54.pc exists in filesystem (owned by lua54)
lua-lpeg: /usr/lib/lua/5.4/lpeg.so exists in filesystem (owned by lua54-lpeg)
lua-lpeg: /usr/lib/luarocks/rocks-5.4/lpeg/1.1.0-2/doc/README.md exists in filesystem (owned by lua54-lpeg)
lua-lpeg: /usr/lib/luarocks/rocks-5.4/lpeg/1.1.0-2/lpeg-1.1.0-2.rockspec exists in filesystem (owned by lua54-lpeg)
lua-lpeg: /usr/lib/luarocks/rocks-5.4/lpeg/1.1.0-2/rock_manifest exists in filesystem (owned by lua54-lpeg)
lua-lpeg: /usr/share/lua/5.4/re.lua exists in filesystem (owned by lua54-lpeg)
Errors occurred, no packages were upgraded.

seth · 2026-04-01 21:23:07

You're crossing the lua version change - this is likely coming from pandoc ?

pacman -Rdd lua54-lpeg lua54 # remove ignoring deps
pacman -Syyuu # downgrade
pacman -S --asdeps lua-lpeg lua # re-install as deps if the downgrade didn't pull the packages anyway

Arch Linux

#1 2026-03-26 03:14:15

After a recent update terminal text is slow to display/X11 windows lag

#2 2026-03-26 08:14:50

Re: After a recent update terminal text is slow to display/X11 windows lag

#3 2026-03-26 13:48:54

Re: After a recent update terminal text is slow to display/X11 windows lag

#4 2026-03-26 13:59:52

Re: After a recent update terminal text is slow to display/X11 windows lag

#5 2026-03-27 01:47:33

Re: After a recent update terminal text is slow to display/X11 windows lag

#6 2026-03-27 08:26:15

Re: After a recent update terminal text is slow to display/X11 windows lag

#7 2026-03-27 12:37:18

Re: After a recent update terminal text is slow to display/X11 windows lag

#8 2026-03-27 14:58:25

Re: After a recent update terminal text is slow to display/X11 windows lag

#9 2026-03-27 20:59:43

Re: After a recent update terminal text is slow to display/X11 windows lag

#10 2026-03-27 21:08:14

Re: After a recent update terminal text is slow to display/X11 windows lag

#11 2026-03-29 00:33:05

Re: After a recent update terminal text is slow to display/X11 windows lag

#12 2026-03-29 08:14:53

Re: After a recent update terminal text is slow to display/X11 windows lag

#13 2026-03-31 20:27:13

Re: After a recent update terminal text is slow to display/X11 windows lag

#14 2026-03-31 20:43:57

Re: After a recent update terminal text is slow to display/X11 windows lag

#15 2026-04-01 21:06:16

Re: After a recent update terminal text is slow to display/X11 windows lag

#16 2026-04-01 21:23:07

Re: After a recent update terminal text is slow to display/X11 windows lag

Board footer