Public bug reported:
After upgrading from Kubuntu 26.04 to 26.10, the kernel logs a WARNING from
vmwgfx
every few seconds (~500 times within the first hour after boot):
WARNING: drivers/gpu/drm/vmwgfx/vmwgfx_surface.c:958 at
vmw_buffer_prime_to_surface_base+0x10c/0x130 [vmwgfx], CPU#5: kwin_wayland
Environment:
- Kubuntu 26.10, kernel 7.3.0-9-generic
- Plasma 6.7.5 Wayland session, Mesa 26.2.4 (SVGA3D, 3D acceleration enabled)
- VMware Workstation guest, open-vm-tools 13.0.10
The warning starts shortly after login and repeats continuously. No visible
graphics corruption or crashes so far.
ProblemType: Bug
DistroRelease: Ubuntu 26.10
Package: linux-image-7.3.0-9-generic 7.3.0-9.9
ProcVersionSignature: Ubuntu 7.3.0-9.9-generic 7.3.0-rc6
Uname: Linux 7.3.0-9-generic x86_64
ApportVersion: 2.36.0-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: Brodowski 2252 F.... wireplumber
/dev/snd/seq: Brodowski 2248 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Mon Oct 19 13:54:17 2026
InstallationDate: Installed on 2017-07-25 (3373 days ago)
InstallationMedia: Kubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
MachineType: VMware, Inc. VMware20,1
ProcFB: 0 vmwgfxdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.3.0-9-generic
root=UUID=4d526699-1955-4cb9-8753-e8971de08fd2 ro quiet splash
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to stonking on 2026-10-19 (0 days ago)
dmi.bios.date: 07/15/2026
dmi.bios.vendor: VMware, Inc.
dmi.bios.version: VMW201.00V.25600138.B64.2607151225
dmi.board.name: 440BX Desktop Reference Platform
dmi.board.vendor: Intel Corporation
dmi.board.version: None
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnVMware,Inc.:bvrVMW201.00V.25600138.B64.2607151225:bd07/15/2026:svnVMware,Inc.:pnVMware20,1:pvrNone:rvnIntelCorporation:rn440BXDesktopReferencePlatform:rvrNone:cvnNoEnclosure:ct1:cvrN/A:sku:pfa:
dmi.product.name: VMware20,1
dmi.product.version: None
dmi.sys.vendor: VMware, Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug stonking third-party-packages wayland-session
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https://bugs.launchpad.net/bugs/2171402
Title:
vmwgfx: repeated WARNING in vmw_buffer_prime_to_surface_base with
kwin_wayland on VMware (26.10, kernel 7.3)
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