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#1 2025-08-21 15:59:41

stefan
Member
Registered: 2013-03-22
Posts: 130

[SOLVED] Mouse Cursor disappeared in ArchLinux X11 Guest of VirtualBox

Hello,

I'm stuck with the following problem: On Tuesday, my mouse curser disappeared in my ArchLinux VM, running as Guest of VirtualBox 7.1.8 on a Windows 11 machine centrally managed by my employer's IT department.  This Linux VM is my little island of sanity.

The problem occurs when I switch off VirtualBox' Mouse Integration, which I have to do, since my setup occasionally and intentionally warps the mouse pointer to a different location.

Since mouse integration seems unidirectional, VirtualBox and X11 then disagree on the location of the pointer.

On Tuesday, when switching off Mouse Integration as usual, the pointer became invisible.  Logically it is still there, focus follows it, buttons highlight when hovering, but it has no graphical representation any more.

The problem occurs with plain X11 and an xterm, so it seems unrelated to the windowmanager (fvwm) I usually use.

The most extreme I've tired was to restore all packages to an earlier date, 2025 August 14, but to no avail.  Also, following the instructions of the IT department, I could not find an update on the host side of VirtualBox, so I really don't know what has triggered this.

It seems to make no difference whether I run anoy of these

    $ VBoxClient --vmsvga
    $ VBoxClient --vmsvga-session
    $ VBoxClient --display

or not.

In the VirtualBox VM settings, I have tried (each followed by a reboot of the VM, of course):

                no 3D Acceleration    with 3D acceleration
                VBoxSVGA  VMSVGA      VMSVGA
    PS2 Mouse   tested    tested      tested
    USB Tablet  tested    tested      tested

There is no difference wrt. the visibility of the mouse cursor.

Originally I used VBoxSVGA + PS2 Mouse, which is where the following log files come from.

$ cat ~/.local/share/xorg/Xorg.1.log
[  1578.143] 
X.Org X Server 1.21.1.18
X Protocol Version 11, Revision 0
[  1578.144] Current Operating System: Linux sk3 6.16.1-arch1-1 #1 SMP PREEMPT_DYNAMIC Fri, 15 Aug 2025 16:04:43 +0000 x86_64
[  1578.144] Kernel command line: root=/dev/mapper/a6a5ed00-9a29-4730-a05e-07cb5e3598b0 cryptdevice=/dev/disk/by-uuid/a6a5ed00-9a29-4730-a05e-07cb5e3598b0:a6a5ed00-9a29-4730-a05e-07cb5e3598b0 rw initrd=\initramfs-linux.img
[  1578.144]  
[  1578.144] Current version of pixman: 0.46.4
[  1578.144] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[  1578.144] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[  1578.144] (==) Log file: "/home/klinger/.local/share/xorg/Xorg.1.log", Time: Thu Aug 21 17:21:47 2025
[  1578.145] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[  1578.145] (==) No Layout section.  Using the first Screen section.
[  1578.145] (==) No screen section available. Using defaults.
[  1578.145] (**) |-->Screen "Default Screen Section" (0)
[  1578.145] (**) |   |-->Monitor "<default monitor>"
[  1578.145] (==) No monitor specified for screen "Default Screen Section".
	Using a default monitor configuration.
[  1578.145] (**) Allowing byte-swapped clients
[  1578.145] (==) Automatically adding devices
[  1578.145] (==) Automatically enabling devices
[  1578.145] (==) Automatically adding GPU devices
[  1578.145] (==) Automatically binding GPU devices
[  1578.145] (==) Max clients allowed: 256, resource mask: 0x1fffff
[  1578.145] (==) FontPath set to:
	/usr/share/fonts/misc,
	/usr/share/fonts/TTF,
	/usr/share/fonts/OTF,
	/usr/share/fonts/Type1,
	/usr/share/fonts/100dpi,
	/usr/share/fonts/75dpi
[  1578.145] (==) ModulePath set to "/usr/lib/xorg/modules"
[  1578.145] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[  1578.145] (II) Module ABI versions:
[  1578.145] 	X.Org ANSI C Emulation: 0.4
[  1578.145] 	X.Org Video Driver: 25.2
[  1578.145] 	X.Org XInput driver : 24.4
[  1578.145] 	X.Org Server Extension : 10.0
[  1578.146] (++) using VT number 2

[  1578.147] (II) systemd-logind: took control of session /org/freedesktop/login1/session/_34
[  1578.148] (II) xfree86: Adding drm device (/dev/dri/card0)
[  1578.148] (II) Platform probe for /sys/devices/pci0000:00/0000:00:02.0/drm/card0
[  1578.148] (II) systemd-logind: got fd for /dev/dri/card0 226:0 fd 13 paused 0
[  1578.149] (--) PCI:*(0@0:2:0) 80ee:beef:15ad:0405 rev 0, Mem @ 0xe0000000/67108864, 0xe4400000/2097152, I/O @ 0x0000c170/16, BIOS @ 0x????????/131072
[  1578.149] (II) LoadModule: "glx"
[  1578.149] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[  1578.150] (II) Module glx: vendor="X.Org Foundation"
[  1578.150] 	compiled for 1.21.1.18, module version = 1.0.0
[  1578.150] 	ABI class: X.Org Server Extension, version 10.0
[  1578.150] (==) Matched vboxvideo as autoconfigured driver 0
[  1578.150] (==) Matched modesetting as autoconfigured driver 1
[  1578.150] (==) Matched fbdev as autoconfigured driver 2
[  1578.150] (==) Matched vesa as autoconfigured driver 3
[  1578.150] (==) Assigned the driver to the xf86ConfigLayout
[  1578.150] (II) LoadModule: "vboxvideo"
[  1578.150] (WW) Warning, couldn't open module vboxvideo
[  1578.150] (EE) Failed to load module "vboxvideo" (module does not exist, 0)
[  1578.150] (II) LoadModule: "modesetting"
[  1578.150] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[  1578.150] (II) Module modesetting: vendor="X.Org Foundation"
[  1578.150] 	compiled for 1.21.1.18, module version = 1.21.1
[  1578.150] 	Module class: X.Org Video Driver
[  1578.150] 	ABI class: X.Org Video Driver, version 25.2
[  1578.150] (II) LoadModule: "fbdev"
[  1578.150] (WW) Warning, couldn't open module fbdev
[  1578.150] (EE) Failed to load module "fbdev" (module does not exist, 0)
[  1578.150] (II) LoadModule: "vesa"
[  1578.150] (WW) Warning, couldn't open module vesa
[  1578.150] (EE) Failed to load module "vesa" (module does not exist, 0)
[  1578.150] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[  1578.150] (II) modeset(0): using drv /dev/dri/card0
[  1578.150] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
[  1578.150] (II) modeset(0): Creating default Display subsection in Screen section
	"Default Screen Section" for depth/fbbpp 24/32
[  1578.150] (==) modeset(0): Depth 24, (==) framebuffer bpp 32
[  1578.150] (==) modeset(0): RGB weight 888
[  1578.150] (==) modeset(0): Default visual is TrueColor
[  1578.150] (II) Loading sub module "glamoregl"
[  1578.150] (II) LoadModule: "glamoregl"
[  1578.150] (II) Loading /usr/lib/xorg/modules/libglamoregl.so
[  1578.153] (II) Module glamoregl: vendor="X.Org Foundation"
[  1578.153] 	compiled for 1.21.1.18, module version = 1.0.1
[  1578.153] 	ABI class: X.Org ANSI C Emulation, version 0.4
[  1578.183] (II) modeset(0): Refusing to try glamor on llvmpipe
[  1578.185] (II) modeset(0): glamor initialization failed
[  1578.185] (II) modeset(0): ShadowFB: preferred NO, enabled NO
[  1578.185] (II) modeset(0): Output VGA-1 has no monitor section
[  1578.186] (II) modeset(0): EDID for output VGA-1
[  1578.186] (II) modeset(0): Manufacturer: VBX  Model: 0  Serial#: 94374400
[  1578.186] (II) modeset(0): Year: 1990  Week: 1
[  1578.186] (II) modeset(0): EDID Version: 1.3
[  1578.186] (II) modeset(0): Digital Display Input
[  1578.186] (II) modeset(0): Indeterminate output size
[  1578.186] (II) modeset(0): Gamma: 2.20
[  1578.186] (II) modeset(0): DPMS capabilities: StandBy Suspend Off
[  1578.186] (II) modeset(0): Supported color encodings: RGB 4:4:4 YCrCb 4:4:4 
[  1578.186] (II) modeset(0): Default color space is primary color space
[  1578.186] (II) modeset(0): First detailed timing is preferred mode
[  1578.186] (II) modeset(0): redX: 0.640 redY: 0.330   greenX: 0.300 greenY: 0.600
[  1578.186] (II) modeset(0): blueX: 0.150 blueY: 0.060   whiteX: 0.312 whiteY: 0.329
[  1578.186] (II) modeset(0): Manufacturer's mask: 0
[  1578.186] (II) modeset(0): Supported detailed timing:
[  1578.186] (II) modeset(0): clock: 222.6 MHz   Image Size:  0 x 0 mm
[  1578.186] (II) modeset(0): h_active: 2560  h_sync: 2562  h_sync_end 2564 h_blank_end 2566 h_border: 0
[  1578.186] (II) modeset(0): v_active: 1440  v_sync: 1440  v_sync_end 1474 v_blanking: 1446 v_border: 0
[  1578.186] (II) modeset(0): Ranges: V min: 0 V max: 200 Hz, H min: 0 H max: 200 kHz, PixClock max 1005 MHz
[  1578.186] (II) modeset(0): Monitor name: VBOX monitor
[  1578.186] (II) modeset(0): EDID (in hex):
[  1578.186] (II) modeset(0): 	00ffffffffffff0058580000000aa005
[  1578.186] (II) modeset(0): 	0100010380000078eeee91a3544c9926
[  1578.186] (II) modeset(0): 	0f505400000001010101010101010101
[  1578.186] (II) modeset(0): 	010101010101f6560006a0a006500202
[  1578.186] (II) modeset(0): 	0202000000000000000000fd0000c800
[  1578.186] (II) modeset(0): 	c864000a202020202020000000fc0056
[  1578.186] (II) modeset(0): 	424f58206d6f6e69746f720a00000010
[  1578.186] (II) modeset(0): 	000a20202020202020202020202000c6
[  1578.186] (II) modeset(0): Printing probed modes for output VGA-1
[  1578.186] (II) modeset(0): Modeline "2560x1440"x60.0  312.32  2560 2752 3024 3488  1440 1443 1448 1493 -hsync +vsync (89.5 kHz P)
[  1578.186] (II) modeset(0): Modeline "2560x1600"x60.0  348.50  2560 2752 3032 3504  1600 1603 1609 1658 -hsync +vsync (99.5 kHz e)
[  1578.186] (II) modeset(0): Modeline "2560x1600"x60.0  268.50  2560 2608 2640 2720  1600 1603 1609 1646 +hsync -vsync (98.7 kHz e)
[  1578.186] (II) modeset(0): Modeline "1920x1440"x60.0  234.00  1920 2048 2256 2600  1440 1441 1444 1500 -hsync +vsync (90.0 kHz e)
[  1578.186] (II) modeset(0): Modeline "1856x1392"x60.0  218.25  1856 1952 2176 2528  1392 1393 1396 1439 -hsync +vsync (86.3 kHz e)
[  1578.186] (II) modeset(0): Modeline "1792x1344"x60.0  204.75  1792 1920 2120 2448  1344 1345 1348 1394 -hsync +vsync (83.6 kHz e)
[  1578.186] (II) modeset(0): Modeline "2048x1152"x60.0  162.00  2048 2074 2154 2250  1152 1153 1156 1200 +hsync +vsync (72.0 kHz e)
[  1578.186] (II) modeset(0): Modeline "1920x1200"x59.9  193.25  1920 2056 2256 2592  1200 1203 1209 1245 -hsync +vsync (74.6 kHz e)
[  1578.186] (II) modeset(0): Modeline "1920x1200"x60.0  154.00  1920 1968 2000 2080  1200 1203 1209 1235 +hsync -vsync (74.0 kHz e)
[  1578.186] (II) modeset(0): Modeline "1920x1080"x60.0  148.50  1920 2008 2052 2200  1080 1084 1089 1125 -hsync -vsync (67.5 kHz e)
[  1578.186] (II) modeset(0): Modeline "1600x1200"x60.0  162.00  1600 1664 1856 2160  1200 1201 1204 1250 +hsync +vsync (75.0 kHz e)
[  1578.186] (II) modeset(0): Modeline "1680x1050"x60.0  146.25  1680 1784 1960 2240  1050 1053 1059 1089 -hsync +vsync (65.3 kHz e)
[  1578.186] (II) modeset(0): Modeline "1680x1050"x59.9  119.00  1680 1728 1760 1840  1050 1053 1059 1080 +hsync -vsync (64.7 kHz e)
[  1578.186] (II) modeset(0): Modeline "1400x1050"x60.0  121.75  1400 1488 1632 1864  1050 1053 1057 1089 -hsync +vsync (65.3 kHz e)
[  1578.186] (II) modeset(0): Modeline "1400x1050"x59.9  101.00  1400 1448 1480 1560  1050 1053 1057 1080 +hsync -vsync (64.7 kHz e)
[  1578.186] (II) modeset(0): Modeline "1600x900"x60.0  108.00  1600 1624 1704 1800  900 901 904 1000 +hsync +vsync (60.0 kHz e)
[  1578.186] (II) modeset(0): Modeline "1280x1024"x60.0  108.00  1280 1328 1440 1688  1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[  1578.186] (II) modeset(0): Modeline "1440x900"x59.9  106.50  1440 1520 1672 1904  900 903 909 934 -hsync +vsync (55.9 kHz e)
[  1578.186] (II) modeset(0): Modeline "1440x900"x59.9   88.75  1440 1488 1520 1600  900 903 909 926 +hsync -vsync (55.5 kHz e)
[  1578.186] (II) modeset(0): Modeline "1280x960"x60.0  108.00  1280 1376 1488 1800  960 961 964 1000 +hsync +vsync (60.0 kHz e)
[  1578.186] (II) modeset(0): Modeline "1366x768"x59.8   85.50  1366 1436 1579 1792  768 771 774 798 +hsync +vsync (47.7 kHz e)
[  1578.186] (II) modeset(0): Modeline "1366x768"x60.0   72.00  1366 1380 1436 1500  768 769 772 800 +hsync +vsync (48.0 kHz e)
[  1578.186] (II) modeset(0): Modeline "1360x768"x60.0   85.50  1360 1424 1536 1792  768 771 777 795 +hsync +vsync (47.7 kHz e)
[  1578.186] (II) modeset(0): Modeline "1280x800"x59.8   83.50  1280 1352 1480 1680  800 803 809 831 -hsync +vsync (49.7 kHz e)
[  1578.186] (II) modeset(0): Modeline "1280x800"x59.9   71.00  1280 1328 1360 1440  800 803 809 823 +hsync -vsync (49.3 kHz e)
[  1578.186] (II) modeset(0): Modeline "1280x768"x59.9   79.50  1280 1344 1472 1664  768 771 778 798 -hsync +vsync (47.8 kHz e)
[  1578.186] (II) modeset(0): Modeline "1280x768"x60.0   68.25  1280 1328 1360 1440  768 771 778 790 +hsync -vsync (47.4 kHz e)
[  1578.186] (II) modeset(0): Modeline "1280x720"x60.0   74.25  1280 1390 1430 1650  720 725 730 750 +hsync +vsync (45.0 kHz e)
[  1578.186] (II) modeset(0): Modeline "1024x768"x60.0   65.00  1024 1048 1184 1344  768 771 777 806 -hsync -vsync (48.4 kHz e)
[  1578.186] (II) modeset(0): Modeline "800x600"x60.3   40.00  800 840 968 1056  600 601 605 628 +hsync +vsync (37.9 kHz e)
[  1578.186] (II) modeset(0): Modeline "800x600"x56.2   36.00  800 824 896 1024  600 601 603 625 +hsync +vsync (35.2 kHz e)
[  1578.186] (II) modeset(0): Modeline "848x480"x60.0   33.75  848 864 976 1088  480 486 494 517 +hsync +vsync (31.0 kHz e)
[  1578.186] (II) modeset(0): Modeline "640x480"x59.9   25.18  640 656 752 800  480 490 492 525 -hsync -vsync (31.5 kHz e)
[  1578.186] (II) modeset(0): Output VGA-1 connected
[  1578.186] (II) modeset(0): Using exact sizes for initial modes
[  1578.186] (II) modeset(0): Output VGA-1 using initial mode 2560x1440 +0+0
[  1578.186] (==) modeset(0): Using gamma correction (1.0, 1.0, 1.0)
[  1578.186] (==) modeset(0): DPI set to (96, 96)
[  1578.186] (II) Loading sub module "fb"
[  1578.186] (II) LoadModule: "fb"
[  1578.186] (II) Module "fb" already built-in
[  1578.186] (==) modeset(0): Backing store enabled
[  1578.186] (==) modeset(0): Silken mouse enabled
[  1578.186] (II) modeset(0): Initializing kms color map for depth 24, 8 bpc.
[  1578.186] (==) modeset(0): DPMS enabled
[  1578.186] (II) Initializing extension Generic Event Extension
[  1578.186] (II) Initializing extension SHAPE
[  1578.186] (II) Initializing extension MIT-SHM
[  1578.186] (II) Initializing extension XInputExtension
[  1578.186] (II) Initializing extension XTEST
[  1578.187] (II) Initializing extension BIG-REQUESTS
[  1578.187] (II) Initializing extension SYNC
[  1578.187] (II) Initializing extension XKEYBOARD
[  1578.187] (II) Initializing extension XC-MISC
[  1578.187] (II) Initializing extension SECURITY
[  1578.187] (II) Initializing extension XFIXES
[  1578.187] (II) Initializing extension RENDER
[  1578.187] (II) Initializing extension RANDR
[  1578.187] (II) Initializing extension COMPOSITE
[  1578.187] (II) Initializing extension DAMAGE
[  1578.187] (II) Initializing extension MIT-SCREEN-SAVER
[  1578.187] (II) Initializing extension DOUBLE-BUFFER
[  1578.187] (II) Initializing extension RECORD
[  1578.188] (II) Initializing extension DPMS
[  1578.188] (II) Initializing extension Present
[  1578.188] (II) Initializing extension DRI3
[  1578.188] (II) Initializing extension X-Resource
[  1578.188] (II) Initializing extension XVideo
[  1578.188] (II) Initializing extension XVideo-MotionCompensation
[  1578.188] (II) Initializing extension GLX
[  1578.188] (II) AIGLX: Screen 0 is not DRI2 capable
[  1578.189] (II) IGLX: Loaded and initialized swrast
[  1578.189] (II) GLX: Initialized DRISWRAST GL provider for screen 0
[  1578.189] (II) Initializing extension XFree86-VidModeExtension
[  1578.189] (II) Initializing extension XFree86-DGA
[  1578.189] (II) Initializing extension XFree86-DRI
[  1578.189] (II) Initializing extension DRI2
[  1578.189] (II) modeset(0): Damage tracking initialized
[  1578.189] (II) modeset(0): Setting screen physical size to 677 x 381
[  1578.240] (II) config/udev: Adding input device Power Button (/dev/input/event0)
[  1578.240] (**) Power Button: Applying InputClass "libinput keyboard catchall"
[  1578.240] (II) LoadModule: "libinput"
[  1578.240] (II) Loading /usr/lib/xorg/modules/input/libinput_drv.so
[  1578.240] (II) Module libinput: vendor="X.Org Foundation"
[  1578.240] 	compiled for 1.21.1.13, module version = 1.5.0
[  1578.240] 	Module class: X.Org XInput Driver
[  1578.240] 	ABI class: X.Org XInput driver, version 24.4
[  1578.240] (II) Using input driver 'libinput' for 'Power Button'
[  1578.242] (II) systemd-logind: got fd for /dev/input/event0 13:64 fd 21 paused 0
[  1578.242] (**) Power Button: always reports core events
[  1578.242] (**) Option "Device" "/dev/input/event0"
[  1578.243] (II) event0  - Power Button: is tagged by udev as: Keyboard
[  1578.243] (II) event0  - Power Button: device is a keyboard
[  1578.243] (II) event0  - Power Button: device removed
[  1578.243] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input0/event0"
[  1578.243] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6)
[  1578.244] (II) event0  - Power Button: is tagged by udev as: Keyboard
[  1578.244] (II) event0  - Power Button: device is a keyboard
[  1578.244] (II) config/udev: Adding input device Sleep Button (/dev/input/event1)
[  1578.244] (**) Sleep Button: Applying InputClass "libinput keyboard catchall"
[  1578.244] (II) Using input driver 'libinput' for 'Sleep Button'
[  1578.245] (II) systemd-logind: got fd for /dev/input/event1 13:65 fd 24 paused 0
[  1578.245] (**) Sleep Button: always reports core events
[  1578.245] (**) Option "Device" "/dev/input/event1"
[  1578.245] (II) event1  - Sleep Button: is tagged by udev as: Keyboard
[  1578.245] (II) event1  - Sleep Button: device is a keyboard
[  1578.245] (II) event1  - Sleep Button: device removed
[  1578.245] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSLPBN:00/input/input1/event1"
[  1578.245] (II) XINPUT: Adding extended input device "Sleep Button" (type: KEYBOARD, id 7)
[  1578.246] (II) event1  - Sleep Button: is tagged by udev as: Keyboard
[  1578.246] (II) event1  - Sleep Button: device is a keyboard
[  1578.246] (II) config/udev: Adding input device Video Bus (/dev/input/event4)
[  1578.246] (**) Video Bus: Applying InputClass "libinput keyboard catchall"
[  1578.246] (II) Using input driver 'libinput' for 'Video Bus'
[  1578.247] (II) systemd-logind: got fd for /dev/input/event4 13:68 fd 25 paused 0
[  1578.247] (**) Video Bus: always reports core events
[  1578.247] (**) Option "Device" "/dev/input/event4"
[  1578.247] (II) event4  - Video Bus: is tagged by udev as: Keyboard
[  1578.247] (II) event4  - Video Bus: device is a keyboard
[  1578.247] (II) event4  - Video Bus: device removed
[  1578.247] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/LNXVIDEO:00/input/input5/event4"
[  1578.247] (II) XINPUT: Adding extended input device "Video Bus" (type: KEYBOARD, id 8)
[  1578.248] (II) event4  - Video Bus: is tagged by udev as: Keyboard
[  1578.248] (II) event4  - Video Bus: device is a keyboard
[  1578.248] (II) config/udev: Adding input device VirtualBox mouse integration (/dev/input/event5)
[  1578.248] (**) VirtualBox mouse integration: Applying InputClass "libinput pointer catchall"
[  1578.248] (II) Using input driver 'libinput' for 'VirtualBox mouse integration'
[  1578.250] (II) systemd-logind: got fd for /dev/input/event5 13:69 fd 26 paused 0
[  1578.250] (**) VirtualBox mouse integration: always reports core events
[  1578.250] (**) Option "Device" "/dev/input/event5"
[  1578.250] (II) event5  - VirtualBox mouse integration: is tagged by udev as: Mouse
[  1578.250] (II) event5  - VirtualBox mouse integration: device is a pointer
[  1578.250] (II) event5  - VirtualBox mouse integration: device removed
[  1578.250] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:04.0/input/input6/event5"
[  1578.250] (II) XINPUT: Adding extended input device "VirtualBox mouse integration" (type: MOUSE, id 9)
[  1578.250] (**) Option "AccelerationScheme" "none"
[  1578.250] (**) VirtualBox mouse integration: (accel) selected scheme none/0
[  1578.250] (**) VirtualBox mouse integration: (accel) acceleration factor: 2.000
[  1578.250] (**) VirtualBox mouse integration: (accel) acceleration threshold: 4
[  1578.250] (II) event5  - VirtualBox mouse integration: is tagged by udev as: Mouse
[  1578.250] (II) event5  - VirtualBox mouse integration: device is a pointer
[  1578.250] (II) config/udev: Adding input device VirtualBox mouse integration (/dev/input/js0)
[  1578.250] (II) No input driver specified, ignoring this device.
[  1578.250] (II) This device may have been added with another device file.
[  1578.251] (II) config/udev: Adding input device VirtualBox mouse integration (/dev/input/mouse0)
[  1578.251] (II) No input driver specified, ignoring this device.
[  1578.251] (II) This device may have been added with another device file.
[  1578.251] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event2)
[  1578.251] (**) AT Translated Set 2 keyboard: Applying InputClass "libinput keyboard catchall"
[  1578.251] (II) Using input driver 'libinput' for 'AT Translated Set 2 keyboard'
[  1578.252] (II) systemd-logind: got fd for /dev/input/event2 13:66 fd 27 paused 0
[  1578.252] (**) AT Translated Set 2 keyboard: always reports core events
[  1578.252] (**) Option "Device" "/dev/input/event2"
[  1578.253] (II) event2  - AT Translated Set 2 keyboard: is tagged by udev as: Keyboard
[  1578.253] (II) event2  - AT Translated Set 2 keyboard: device is a keyboard
[  1578.253] (II) event2  - AT Translated Set 2 keyboard: device removed
[  1578.253] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input2/event2"
[  1578.253] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 10)
[  1578.254] (II) event2  - AT Translated Set 2 keyboard: is tagged by udev as: Keyboard
[  1578.254] (II) event2  - AT Translated Set 2 keyboard: device is a keyboard
[  1578.254] (II) config/udev: Adding input device ImExPS/2 Generic Explorer Mouse (/dev/input/event6)
[  1578.254] (**) ImExPS/2 Generic Explorer Mouse: Applying InputClass "libinput pointer catchall"
[  1578.254] (II) Using input driver 'libinput' for 'ImExPS/2 Generic Explorer Mouse'
[  1578.255] (II) systemd-logind: got fd for /dev/input/event6 13:70 fd 28 paused 0
[  1578.255] (**) ImExPS/2 Generic Explorer Mouse: always reports core events
[  1578.255] (**) Option "Device" "/dev/input/event6"
[  1578.255] (II) event6  - ImExPS/2 Generic Explorer Mouse: is tagged by udev as: Mouse
[  1578.255] (II) event6  - ImExPS/2 Generic Explorer Mouse: emulating high-resolution scroll wheel events.
[  1578.256] (II) event6  - ImExPS/2 Generic Explorer Mouse: device is a pointer
[  1578.256] (II) event6  - ImExPS/2 Generic Explorer Mouse: device removed
[  1578.256] (II) libinput: ImExPS/2 Generic Explorer Mouse: Step value 0 was provided, libinput Fallback acceleration function is used.
[  1578.256] (II) libinput: ImExPS/2 Generic Explorer Mouse: Step value 0 was provided, libinput Fallback acceleration function is used.
[  1578.256] (II) libinput: ImExPS/2 Generic Explorer Mouse: Step value 0 was provided, libinput Fallback acceleration function is used.
[  1578.256] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input7/event6"
[  1578.256] (II) XINPUT: Adding extended input device "ImExPS/2 Generic Explorer Mouse" (type: MOUSE, id 11)
[  1578.256] (**) Option "AccelerationScheme" "none"
[  1578.256] (**) ImExPS/2 Generic Explorer Mouse: (accel) selected scheme none/0
[  1578.256] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration factor: 2.000
[  1578.256] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration threshold: 4
[  1578.256] (II) event6  - ImExPS/2 Generic Explorer Mouse: is tagged by udev as: Mouse
[  1578.256] (II) event6  - ImExPS/2 Generic Explorer Mouse: emulating high-resolution scroll wheel events.
[  1578.257] (II) event6  - ImExPS/2 Generic Explorer Mouse: device is a pointer
[  1578.257] (II) config/udev: Adding input device ImExPS/2 Generic Explorer Mouse (/dev/input/mouse1)
[  1578.257] (II) No input driver specified, ignoring this device.
[  1578.257] (II) This device may have been added with another device file.
[  1578.257] (II) config/udev: Adding input device PC Speaker (/dev/input/event3)
[  1578.257] (II) No input driver specified, ignoring this device.
[  1578.257] (II) This device may have been added with another device file.
[  1578.290] (II) modeset(0): EDID vendor "VBX", prod id 0
[  1578.290] (II) modeset(0): DDCModeFromDetailedTiming: 2560x1440 Warning: We only handle separate sync.
[  1578.290] (II) modeset(0): Using EDID range info for horizontal sync
[  1578.290] (II) modeset(0): Using EDID range info for vertical refresh
[  1578.298] (II) modeset(0): EDID vendor "VBX", prod id 0
[  1578.298] (II) modeset(0): DDCModeFromDetailedTiming: 2560x1440 Warning: We only handle separate sync.
[  1578.298] (II) modeset(0): Using hsync ranges from config file
[  1578.298] (II) modeset(0): Using vrefresh ranges from config file
[  1578.301] (II) modeset(0): EDID vendor "VBX", prod id 0
[  1578.301] (II) modeset(0): DDCModeFromDetailedTiming: 2560x1440 Warning: We only handle separate sync.
[  1578.301] (II) modeset(0): Using hsync ranges from config file
[  1578.301] (II) modeset(0): Using vrefresh ranges from config file
[  1588.733] (**) Option "fd" "21"
[  1588.733] (II) event0  - Power Button: device removed
[  1588.733] (**) Option "fd" "24"
[  1588.733] (II) event1  - Sleep Button: device removed
[  1588.733] (**) Option "fd" "25"
[  1588.733] (II) event4  - Video Bus: device removed
[  1588.733] (**) Option "fd" "26"
[  1588.733] (II) event5  - VirtualBox mouse integration: device removed
[  1588.733] (**) Option "fd" "27"
[  1588.733] (II) event2  - AT Translated Set 2 keyboard: device removed
[  1588.733] (**) Option "fd" "28"
[  1588.733] (II) event6  - ImExPS/2 Generic Explorer Mouse: device removed
[  1588.733] (II) UnloadModule: "libinput"
[  1588.733] (II) systemd-logind: releasing fd for 13:70
[  1588.735] (II) UnloadModule: "libinput"
[  1588.735] (II) systemd-logind: releasing fd for 13:66
[  1588.736] (II) UnloadModule: "libinput"
[  1588.736] (II) systemd-logind: releasing fd for 13:69
[  1588.736] (II) UnloadModule: "libinput"
[  1588.736] (II) systemd-logind: releasing fd for 13:68
[  1588.737] (II) UnloadModule: "libinput"
[  1588.737] (II) systemd-logind: releasing fd for 13:65
[  1588.737] (II) UnloadModule: "libinput"
[  1588.737] (II) systemd-logind: releasing fd for 13:64
[  1588.745] (II) Server terminated successfully (0). Closing log file.
$ lspci -kv
00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02)
	Flags: bus master, fast devsel, latency 0
	Kernel modules: intel_agp

00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II]
	Flags: bus master, medium devsel, latency 0

00:01.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01) (prog-if 8a [ISA Compatibility mode controller, supports both channels switched to PCI native mode, supports bus mastering])
	Flags: bus master, fast devsel, latency 64
	I/O ports at 01f0 [size=8]
	I/O ports at 03f4
	I/O ports at 0170 [size=8]
	I/O ports at 0374
	I/O ports at c180 [size=16]
	Kernel driver in use: ata_piix
	Kernel modules: ata_piix, pata_acpi, ata_generic

00:02.0 VGA compatible controller: InnoTek Systemberatung GmbH VirtualBox Graphics Adapter (prog-if 00 [VGA controller])
	Subsystem: VMware Device 0405
	Flags: bus master, fast devsel, latency 0, IRQ 18
	Memory at e0000000 (32-bit, prefetchable) [size=64M]
	I/O ports at c170 [size=16]
	Memory at e4400000 (32-bit, non-prefetchable) [size=2M]
	Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
	Kernel driver in use: vboxvideo
	Kernel modules: vboxvideo

00:03.0 Ethernet controller: Intel Corporation 82540EM Gigabit Ethernet Controller (rev 02)
	Subsystem: Intel Corporation PRO/1000 MT Desktop Adapter
	Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 19
	Memory at e4620000 (32-bit, non-prefetchable) [size=128K]
	I/O ports at c1a8 [size=8]
	Capabilities: <access denied>
	Kernel driver in use: e1000
	Kernel modules: e1000

00:04.0 System peripheral: InnoTek Systemberatung GmbH VirtualBox Guest Service
	Flags: bus master, fast devsel, latency 0, IRQ 20
	I/O ports at c140 [size=32]
	Memory at e4000000 (32-bit, non-prefetchable) [size=4M]
	Memory at e4650000 (32-bit, prefetchable) [size=16K]
	Kernel driver in use: vboxguest
	Kernel modules: vboxguest

00:05.0 Multimedia audio controller: Intel Corporation 82801AA AC'97 Audio Controller (rev 01)
	Subsystem: Dell Device 0177
	Flags: bus master, medium devsel, latency 64, IRQ 21
	I/O ports at c000 [size=256]
	I/O ports at c100 [size=64]
	Kernel driver in use: snd_intel8x0
	Kernel modules: snd_intel8x0

00:07.0 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 08)
	Flags: bus master, medium devsel, latency 0, IRQ 9
	Kernel driver in use: piix4_smbus
	Kernel modules: i2c_piix4

00:08.0 Ethernet controller: Intel Corporation 82540EM Gigabit Ethernet Controller (rev 02)
	Subsystem: Intel Corporation PRO/1000 MT Desktop Adapter
	Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16
	Memory at e4600000 (32-bit, non-prefetchable) [size=128K]
	I/O ports at c1a0 [size=8]
	Capabilities: <access denied>
	Kernel driver in use: e1000
	Kernel modules: e1000

00:0c.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (prog-if 30 [XHCI])
	Flags: bus master, fast devsel, latency 64, IRQ 20
	Memory at e4640000 (32-bit, non-prefetchable) [size=64K]
	Kernel driver in use: xhci_hcd

00:0d.0 SATA controller: Intel Corporation 82801HM/HEM (ICH8M/ICH8M-E) SATA Controller [AHCI mode] (rev 02) (prog-if 01 [AHCI 1.0])
	Flags: bus master, fast devsel, latency 64, IRQ 21
	I/O ports at c198 [size=8]
	I/O ports at c1b4 [size=4]
	I/O ports at c190 [size=8]
	I/O ports at c1b0 [size=4]
	I/O ports at c160 [size=16]
	Memory at e4654000 (32-bit, non-prefetchable) [size=8K]
	Capabilities: <access denied>
	Kernel driver in use: ahci
$ systemctl status vboxservice
● vboxservice.service - VirtualBox Guest Service
     Loaded: loaded (/usr/lib/systemd/system/vboxservice.service; enabled; preset: disabled)
     Active: active (running) since Thu 2025-08-21 16:55:43 CEST; 31min ago
 Invocation: 72bbc23d983a42748bc7e558a16c1ae2
    Process: 886 ExecStartPre=/usr/bin/modprobe vboxguest (code=exited, status=0/SUCCESS)
    Process: 887 ExecStartPre=/usr/bin/modprobe vboxvideo (code=exited, status=0/SUCCESS)
    Process: 893 ExecStartPre=/usr/bin/modprobe vboxsf (code=exited, status=0/SUCCESS)
   Main PID: 899 (VBoxService)
      Tasks: 9 (limit: 77071)
     Memory: 4.7M (peak: 5.2M)
        CPU: 543ms
     CGroup: /system.slice/vboxservice.service
             └─899 /usr/bin/VBoxService -f

Warning: some journal files were not opened due to insufficient permissions.

Last edited by stefan (2025-08-22 06:25:07)

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#2 2025-08-21 21:45:51

seth
Member
From: Don't DM me only for attention
Registered: 2012-09-03
Posts: 70,483

Re: [SOLVED] Mouse Cursor disappeared in ArchLinux X11 Guest of VirtualBox

Does using the SWCursor help you out?
https://man.archlinux.org/man/modesetting.4#Option

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#3 2025-08-22 06:23:46

stefan
Member
Registered: 2013-03-22
Posts: 130

Re: [SOLVED] Mouse Cursor disappeared in ArchLinux X11 Guest of VirtualBox

seth wrote:

Does using the SWCursor help you out?

It does indeed!  Thank you so very much!

I had tried this before, but I was mistaken by assuming `SWCursor` to be an option of `libinput`, which left my fiddling with `/usr/share/X11/xorg.conf.d/40-libinput.conf` and `Driver "libinput"` unsuccessful, and I failed to find the relevant documentation.  From there I obviously explored quite a couple of dead ends... sad

Your pointing to modesetting(4) was the clue I needed!

I have added the file

$ cat /etc/X11/xorg.conf.d/30-swcursor.conf
# See [1] for why this is here.

Section "Device"
        Identifier      "software cursor in modesetting"
        Driver          "modesetting"
        Option          "SWcursor"      "on"
EndSection

# [1]: [url]https://bbs.archlinux.org/viewtopic.php?pid=2257666#p2257666[/url]

and all is well.  I wonder what triggered this, because I'm not aware of having messed with the X configuration...

Thank you seth!

Last edited by stefan (2025-08-22 06:38:36)

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#4 2025-08-22 07:05:15

seth
Member
From: Don't DM me only for attention
Registered: 2012-09-03
Posts: 70,483

Re: [SOLVED] Mouse Cursor disappeared in ArchLinux X11 Guest of VirtualBox

I wonder what triggered this, because I'm not aware of having messed with the X configuration...

The cursor is otherwise painted into the framebuffer by the "hardware", rendering in software only works around that.

So either the vboxdrv kernel modules (lts kernel still affected) or a mesa update.

On Tuesday, my mouse curser disappeared in my ArchLinux VM

=> What happened/changed/updated on monday?
(likely vbox guest/host, linux kernel or mesa updates?)

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