Compiz

Comment 40 for bug 729979

Revision history for this message

Sam Spilsbury (smspillaz) wrote on 2012-06-07: Re: [Bug 729979] Re: [nvidia] Windows appear blank white

#40

On Thu, 7 Jun 2012, Daniel van Vugt wrote:

> "Keep previews of mimized windows" is disabled as it is for everyone in
> 12.04. If you think it should be enabled, then a proposal enabling it
> should be made.
>
> I have now tested enabling it, with standard precise AND with this fix
> backported to precise. In all cases the white windows persist on restore
> (using Unity).
>

My Apologies, I meant "Show minimized windows in switcher" (Keep previews
of minimized windows in workarounds should in fact be removed to avoid the
confusion as we don't use it elsewhere in compiz). Looking at the XML file
says that its turned on by default.

The reason I asked is beacuse the hack basically has no effect if this
option is turned off. In any case, I'm pretty sure that part the the
original bug I fixed said that if you disabled keeping previews, this didn't
happen.

(I'd love to deliver a real fix, however I just don't know enough about
the driver to understand what its doing that's causing us to lose binding
here. According to the tfp documentation you only need to rebind whenever
the pixmap becomes invalid, and this is what we do. With
"show_minimized_windows" on - the windows nor their frames are not even
resized when they are (un)minimized. That being said, its entirely
possible that a separate opengl operation is triggering a driver bug
causing the pixmap binding to be lost)

> Note the white windows on restore only happen with Unity. Running the
> latest lp:compiz without Unity, there are no white window problems. I
> have not yet tested other combinations, so please don't ask.
>
> --
> You received this bug notification because you are a member of Compiz
> Maintainers, which is the registrant for Compiz Core.
> https://bugs.launchpad.net/bugs/729979
>
> Title:
> [nvidia] Windows appear blank white
>
> Status in Compiz:
> Triaged
> Status in Compiz Core:
> Triaged
> Status in “compiz” package in Ubuntu:
> Triaged
>
> Bug description:
> Binary package hint: compiz
>
> When switching focus from one window to another, the target window may
> become blank. See the attached screenshot, where I opened two gnome-
> terminals and clicked on their titlebars alternately - the issue was
> triggered after about 5-10 clicks. I've had this happen on other
> appications too, e.g. software-centre, empathy, etc.
>
> Doing shade+unshade, maximizing or clicking away from the problematic
> window usually makes the window contents come back. The window remains
> responsive to both keyboard and mouse (by the way, in the screenshot
> the mouse cursor was an I-beam before I pressed PrtScr).
>
> This is on up-to-date natty, installed from scratch using the daily
> image from the 1st of March.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 11.04
> Package: compiz 1:0.9.4-0ubuntu3
> ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
> Uname: Linux 2.6.38-5-generic x86_64
> NonfreeKernelModules: nvidia
> .proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
> .proc.driver.nvidia.registry: Binary: ""
> .proc.driver.nvidia.version:
> NVRM version: NVIDIA UNIX x86_64 Kernel Module 270.29 Wed Feb 23 16:18:35 PST 2011
> GCC version: gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-3ubuntu3)
> Architecture: amd64
> CompizPlugins: [core,bailer,detection,composite,opengl,decor,imgsvg,resize,resizeinfo,mousepoll,wall,regex,animation,place,blur,compiztoolbox,text,session,grid,put,imgpng,imgjpeg,gnomecompat,commands,copytex,wobbly,annotate,move,vpswitch,workarounds,expo,ezoom,staticswitcher,fade,scale,scaleaddon,unityshell]
> CompositorRunning: compiz
> Date: Sun Mar 6 02:42:49 2011
> DistUpgraded: Log time: 2011-03-03 20:05:16.908415
> DistroCodename: natty
> DistroVariant: ubuntu
> DkmsStatus: nvidia-current, 270.29, 2.6.38-5-generic, x86_64: installed
> GraphicsCard:
> nVidia Corporation ION VGA [GeForce 9400M] [10de:0876] (rev b1) (prog-if 00 [VGA controller])
> Subsystem: ASUSTeK Computer Inc. Device [1043:8402]
> InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110301.1)
> InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110301.1)
> JockeyStatus: xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled, In use)
> Lsusb:
> Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 001 Device 002: ID 13d3:5126 IMC Networks
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> MachineType: ASUSTeK Computer INC. 1201N
> PackageArchitecture: all
> ProcEnviron:
> LANGUAGE=en_GB:en
> PATH=(custom, user)
> LANG=en_GB.UTF-8
> SHELL=/bin/bash
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-5-generic root=UUID=56551fbd-03c7-48af-b7f4-c8f165bc66ed ro quiet splash vt.handoff=7
> ProcVersionSignature_: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
> Renderer: Unknown
> SourcePackage: compiz
> UpgradeStatus: Upgraded to natty on 2011-03-03 (2 days ago)
> dmi.bios.date: 04/29/2010
> dmi.bios.vendor: American Megatrends Inc.
> dmi.bios.version: 0326
> dmi.board.asset.tag: To Be Filled By O.E.M.
> dmi.board.name: 1201N
> dmi.board.vendor: ASUSTeK Computer INC.
> dmi.board.version: x.xx
> dmi.chassis.asset.tag: 0x00000000
> dmi.chassis.type: 10
> dmi.chassis.vendor: ASUSTeK Computer INC.
> dmi.chassis.version: x.x
> dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0326:bd04/29/2010:svnASUSTeKComputerINC.:pn1201N:pvrx.x:rvnASUSTeKComputerINC.:rn1201N:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
> dmi.product.name: 1201N
> dmi.product.version: x.x
> dmi.sys.vendor: ASUSTeK Computer INC.
> version.compiz: compiz 1:0.9.4-0ubuntu3
> version.libdrm2: libdrm2 2.4.23-1ubuntu3
> version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1~git20110215.cc1636b6-0ubuntu2
> version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
> version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu11
> version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu2
> version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu1
> version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu5
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/compiz/+bug/729979/+subscriptions
>

On Thu, 7 Jun 2012, Daniel van Vugt wrote:

My Apologies, I meant "Show minimized windows in switcher" (Keep previews 
of minimized windows in workarounds should in fact be removed to avoid the 
confusion as we don't use it elsewhere in compiz). Looking at the XML file 
says that its turned on by default.

The reason I asked is beacuse the hack basically has no effect if this 
option is turned off. In any case, I'm pretty sure that part the the 
original bug I fixed said that if you disabled keeping previews, this didn't
happen.

(I'd love to deliver a real fix, however I just don't know enough about 
the driver to understand what its doing that's causing us to lose binding 
here. According to the tfp documentation you only need to rebind whenever 
the pixmap becomes invalid, and this is what we do. With 
"show_minimized_windows" on - the windows nor their frames are not even 
resized when they are (un)minimized. That being said, its entirely 
possible that a separate opengl operation is triggering a driver bug 
causing the pixmap binding to be lost)

> Note the white windows on restore only happen with Unity. Running the
> latest lp:compiz without Unity, there are no white window problems. I
> have not yet tested other combinations, so please don't ask.
>
> -- 
> You received this bug notification because you are a member of Compiz
> Maintainers, which is the registrant for Compiz Core.
> https://bugs.launchpad.net/bugs/729979
>
> Title:
>  [nvidia] Windows appear blank white
>
> Status in Compiz:
>  Triaged
> Status in Compiz Core:
>  Triaged
> Status in “compiz” package in Ubuntu:
>  Triaged
>
> Bug description:
>  Binary package hint: compiz
>
>  When switching focus from one window to another, the target window may
>  become blank. See the attached screenshot, where I opened two gnome-
>  terminals and clicked on their titlebars alternately - the issue was
>  triggered after about 5-10 clicks. I've had this happen on other
>  appications too, e.g. software-centre, empathy, etc.
>
>  Doing shade+unshade, maximizing or clicking away from the problematic
>  window usually makes the window contents come back. The window remains
>  responsive to both keyboard and mouse (by the way, in the screenshot
>  the mouse cursor was an I-beam before I pressed PrtScr).
>
>  This is on up-to-date natty, installed from scratch using the daily
>  image from the 1st of March.
>
>  ProblemType: Bug
>  DistroRelease: Ubuntu 11.04
>  Package: compiz 1:0.9.4-0ubuntu3
>  ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
>  Uname: Linux 2.6.38-5-generic x86_64
>  NonfreeKernelModules: nvidia
>  .proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
>  .proc.driver.nvidia.registry: Binary: ""
>  .proc.driver.nvidia.version:
>   NVRM version: NVIDIA UNIX x86_64 Kernel Module  270.29  Wed Feb 23 16:18:35 PST 2011
>   GCC version:  gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-3ubuntu3)
>  Architecture: amd64
>  CompizPlugins: [core,bailer,detection,composite,opengl,decor,imgsvg,resize,resizeinfo,mousepoll,wall,regex,animation,place,blur,compiztoolbox,text,session,grid,put,imgpng,imgjpeg,gnomecompat,commands,copytex,wobbly,annotate,move,vpswitch,workarounds,expo,ezoom,staticswitcher,fade,scale,scaleaddon,unityshell]
>  CompositorRunning: compiz
>  Date: Sun Mar  6 02:42:49 2011
>  DistUpgraded: Log time: 2011-03-03 20:05:16.908415
>  DistroCodename: natty
>  DistroVariant: ubuntu
>  DkmsStatus: nvidia-current, 270.29, 2.6.38-5-generic, x86_64: installed
>  GraphicsCard:
>   nVidia Corporation ION VGA [GeForce 9400M] [10de:0876] (rev b1) (prog-if 00 [VGA controller])
>     Subsystem: ASUSTeK Computer Inc. Device [1043:8402]
>  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110301.1)
>  InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110301.1)
>  JockeyStatus: xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled, In use)
>  Lsusb:
>   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>   Bus 001 Device 002: ID 13d3:5126 IMC Networks
>   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>  MachineType: ASUSTeK Computer INC. 1201N
>  PackageArchitecture: all
>  ProcEnviron:
>   LANGUAGE=en_GB:en
>   PATH=(custom, user)
>   LANG=en_GB.UTF-8
>   SHELL=/bin/bash
>  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-5-generic root=UUID=56551fbd-03c7-48af-b7f4-c8f165bc66ed ro quiet splash vt.handoff=7
>  ProcVersionSignature_: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
>  Renderer: Unknown
>  SourcePackage: compiz
>  UpgradeStatus: Upgraded to natty on 2011-03-03 (2 days ago)
>  dmi.bios.date: 04/29/2010
>  dmi.bios.vendor: American Megatrends Inc.
>  dmi.bios.version: 0326
>  dmi.board.asset.tag: To Be Filled By O.E.M.
>  dmi.board.name: 1201N
>  dmi.board.vendor: ASUSTeK Computer INC.
>  dmi.board.version: x.xx
>  dmi.chassis.asset.tag: 0x00000000
>  dmi.chassis.type: 10
>  dmi.chassis.vendor: ASUSTeK Computer INC.
>  dmi.chassis.version: x.x
>  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0326:bd04/29/2010:svnASUSTeKComputerINC.:pn1201N:pvrx.x:rvnASUSTeKComputerINC.:rn1201N:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
>  dmi.product.name: 1201N
>  dmi.product.version: x.x
>  dmi.sys.vendor: ASUSTeK Computer INC.
>  version.compiz: compiz 1:0.9.4-0ubuntu3
>  version.libdrm2: libdrm2 2.4.23-1ubuntu3
>  version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1~git20110215.cc1636b6-0ubuntu2
>  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
>  version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu11
>  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu2
>  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu1
>  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu5
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/compiz/+bug/729979/+subscriptions
>