I am trying to use Manjaro in VIrtualBox from Windows. However, recently, there seem to be problems with the graphics. A few hours after I update I see the wallpaper disappearing, then buttons start to go black.
This kernel is EOL and don’t exist anymore in the repo. Problems will occur on upgrades, and most likely the whole OS is just outdated. Partial Updates → Broken System.
Wayland could be a culprit here. I experienced a lot of wearied issues using a virtual machine with wayland. Use xorg instead.
Check what the kernel messages say about the driver:
Thanks for your reply. I tried the easiest thing and logged out of my account and logged in using “Gnome with Xorg” However the problem already occurs after a few minutes of been logged in:
I know you did not request a screenshot, but I think the image might ring a bell. Regarding the GPU. I think I use the host GPU, but I am not an expert on this. I hope the screenshot below can provide further information:
Thanks for your reply. I am trying the easy stuff first and tried logging with “Gnome with Xorg” but it did not work either (see reply to linx-aarhus). I eventually will change the kernel and update the system. However, right now, when I go to updates, the package manager tells me that there is no further update needed. Of course, it might mean that the system is somehow broken. Regarding the kernel messages about the driver:
Jul 25 14:35:13 manjaro kernel: fb0: switching to vmwgfx from VESA VGA
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: vgaarb: deactivate vga console
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: [drm] FIFO at 0x00000000f0000000 size is 2048 kiB
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: [drm] VRAM at 0x00000000e0000000 size is 131072 kiB
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: [drm] Running on SVGA version 2.
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: [drm] DMA map mode: Caching DMA mappings.
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: [drm] Legacy memory limits: VRAM = 131072 kB, FIFO = 2048 kB, surface = 393216 kB
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: [drm] MOB limits: max mob size = 0 kB, max mob pages = 0
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: [drm] Capabilities: cursor, cursor bypass 2, alpha cursor, 3D, extended fifo, pitchlock, irq mask, gmr, traces, gmr2, screen object 2,
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: [drm] Max GMR ids is 8192
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: [drm] Max number of GMR pages is 1048576
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: [drm] Maximum display memory size is 131072 kiB
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: [drm] Screen Object display unit initialized
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: [drm] Fifo max 0x00200000 min 0x00001000 cap 0x00000355
Jul 25 14:35:13 manjaro kernel: vmwgfx 0000:00:02.0: [drm] Available shader model: Legacy.
Jul 25 14:35:13 manjaro kernel: [drm:vmw_host_printf [vmwgfx]] *ERROR* Failed to send host log message.
Jul 25 14:35:13 manjaro kernel: [drm] Initialized vmwgfx 2.19.0 20210722 for 0000:00:02.0 on minor 0
Jul 25 14:35:20 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:20 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:20 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:20 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:20 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:20 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:21 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:21 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:21 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:21 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:21 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:21 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:49 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:49 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:51 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:51 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:51 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:51 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:51 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:51 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:51 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:51 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:51 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:35:51 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:36:29 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:36:29 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:36:48 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:36:48 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:40:27 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:40:27 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:40:34 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:40:34 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:48:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:48:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:48:30 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:48:30 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:48:43 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:48:43 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:52:55 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:52:55 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:52:55 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:52:55 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:52:55 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:52:55 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:52:55 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:52:55 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:58:34 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 14:58:34 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:07:12 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:07:12 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:07:14 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:07:14 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:09:59 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:09:59 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:13:11 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:13:11 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:13:12 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:13:12 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:13:13 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:13:13 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:29:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:29:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:29:26 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:29:26 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:31:41 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:31:41 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:31:42 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:31:42 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:31:59 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:31:59 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:31:59 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:31:59 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:32:00 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:32:00 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:32:00 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:32:00 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:32:00 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:32:00 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:32:00 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:32:00 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:05 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:05 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:05 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:05 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:05 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:05 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:06 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:07 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:07 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:07 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:07 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:25 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:26 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:26 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:26 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:26 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:45 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:33:45 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:35:07 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:35:07 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:35:07 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:35:07 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:37:04 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Jul 25 15:48:15 manjaro kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed to open channel.
Unfortunately I am not an expert and I do not know what to do with those messages
No, it uses a virtual GPU, which, when enabled, can also pass through some demanding tasks to the Host GPU with Virtual OpenGL or equivalent on Windows. But overall it is pure CPU.
Please ensure your Manjaro guest is using the latest stable kernel or the latest LTS kernel as listed on kernel.org and you have installed/updated the virtualbox-guest-utils.