Public bug reported:
I'm fixing an issue with drm/vmwgfx on 17.10 Wayland desktop, and I'd
like to chat with someone about how Ubuntu Wayland works.
Specifically, when a VM is configured to have 4MB of GPU memory, we have
trouble setting modes above 1024x768@32bpp even though there's
technically enough GPU memory to handle the framebuffer.
This does not happen with Ubuntu 17.10 Xorg desktop.
>From what I can see there are two things:
1. Ubuntu Wayland seems to be allocated 2-3 framebuffer sized surfaces.
Is it doing triple-buffering?
2. For certain modes, e.g. 1360x768 and 800x600, the pitch coming into
.create_fb is greater than mode->width * bytes-per-pixel. For instance,
for 800x600@32bpp, the requested pitch is 3328 instead of 3200.
These two behaviors is different from what we assumed for low memory
configurations, and so is causing some issues.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: xorg 1:7.7+19ubuntu2
Uname: Linux 4.13.0-syeh-v4.13 x86_64
ApportVersion: 2.20.7-0ubuntu2
Architecture: amd64
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Wed Oct 11 12:50:08 2017
DistUpgraded: Fresh install
DistroCodename: artful
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
VMware SVGA II Adapter [15ad:0405] (prog-if 00 [VGA controller])
Subsystem: VMware SVGA II Adapter [15ad:0405]
InstallationDate: Installed on 2017-10-03 (8 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170926)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 004: ID 0e0f:0008 VMware, Inc.
Bus 002 Device 003: ID 0e0f:0002 VMware, Inc. Virtual USB Hub
Bus 002 Device 002: ID 0e0f:0003 VMware, Inc. Virtual Mouse
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: VMware, Inc. VMware Virtual Platform
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-username-v4.13
root=UUID=e5e24738-af43-4671-9595-cccd3f4c77b8 ro find_preseed=/preseed.cfg
auto noprompt priority=critical locale=en_US quiet modprobe.blacklist=vmwgfx
kgdboc=ttyS1,115200
Renderer: Software
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/19/2017
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 6.00
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:bvnPhoenixTechnologiesLTD:bvr6.00:bd05/19/2017:svnVMware,Inc.:pnVMwareVirtualPlatform:pvrNone:rvnIntelCorporation:rn440BXDesktopReferencePlatform:rvrNone:cvnNoEnclosure:ct1:cvrN/A:
dmi.product.name: VMware Virtual Platform
dmi.product.version: None
dmi.sys.vendor: VMware, Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.83-1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.2-0ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.3-1ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20170309-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
xserver.bootTime: Wed Oct 11 12:38:36 2017
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input VMware VMware Virtual USB Mouse MOUSE, id 7
input VirtualPS/2 VMware VMMouse MOUSE, id 8
input VirtualPS/2 VMware VMMouse MOUSE, id 9
input AT Translated Set 2 keyboard KEYBOARD, id 10
xserver.errors:
open /dev/dri/card0: No such file or directory
open /dev/fb0: No such file or directory
vmware(0): Failed to open drm.
AIGLX: reverting to software rendering
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
xserver.version: 2:1.19.3-1ubuntu7
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug artful ubuntu
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https://bugs.launchpad.net/bugs/1722897
Title:
Unexpected behavior with Wayland desktop
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