[Bug 34427] New: Graphical corruption when opening windows

[Bug 34427] New: Graphical corruption when opening windows

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=34427

           Summary: Graphical corruption when opening windows
           Product: DRI
           Version: XOrg CVS
          Platform: x86-64 (AMD64)
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: General
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: h.judt@gmx.at


Created an attachment (id=43507)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43507)
screenshot of the garbled frame

Although it is visible only for a very short moment, I was able to capture it,
see the screenshot attached to this bug. It seems something doesn't get
initialized correctly like it used to before, part of the garbled area looks
like it's previous screen content, just pretty messed.

* I think this only happens when using compositing, but did not test it, so I'm
not sure.
* Is noticable with xfwm4 (the xfce window manager) and compiz.
* Is only noticable sometimes (maybe because the other times it's just too
fast, but I'll try to capture it with recordmydesktop).
* It can be seen on various window types, like the small firefox / thunderbird
frame which appears before the normal window appears, or menus.
* It is not constrained to window size.
* This did not happen some time ago, but I don't know when it started. Before
it started, the windows were simply grey.

Software and versions:
* git vanilla kernel (2.6.38-rc5), certainly happened with 2.6.37
* git mesa (r600g)
* git xf86-video-ati
* git libdrm

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

--- Comment #1 from Harald Judt <h.judt@gmx.at> 2011-02-18 00:39:56 PST ---
Update:

* It seems this is not related to mesa vs gallium, as it both happens when
using r600c or r600g.
* If I turn off Option "Composite" (set it to "Disabled"), then the corruption
does not appear.

I've found this similar bug,
https://bugs.freedesktop.org/show_bug.cgi?id=27529, but there the issue is more
severe.

Here is lspci -s 01:00.0 -vvv output:
01:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon HD 3400
Series (prog-if 00 [VGA controller])
        Subsystem: Lenovo Device 210e
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 48
        Region 0: Memory at d0000000 (32-bit, prefetchable) [size=256M]
        Region 1: I/O ports at 2000 [size=256]
        Region 2: Memory at cfff0000 (32-bit, non-prefetchable) [size=64K]
        [virtual] Expansion ROM at cff00000 [disabled] [size=128K]
        Capabilities: [50] Power Management version 3
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [58] Express (v2) Legacy Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1
unlimited
                        ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                        MaxPayload 128 bytes, MaxReadReq 128 bytes
                DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-
                LnkCap: Port #0, Speed 2.5GT/s, Width x16, ASPM L0s L1, Latency
L0 <64ns, L1 <1us
                        ClockPM- Surprise- LLActRep- BwNot-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
                DevCap2: Completion Timeout: Not Supported, TimeoutDis-
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-
                LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance-
SpeedDis-, Selectable De-emphasis: -6dB
                         Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
                         Compliance De-emphasis: -6dB
                LnkSta2: Current De-emphasis Level: -3.5dB
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
                Address: 00000000fee0300c  Data: 4199
        Capabilities: [100 v1] Vendor Specific Information: ID=0001 Rev=1
Len=010 <?>
        Kernel driver in use: radeon

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> 2011-02-18 09:01:21 PST ---
Do you have tiling enabled in your configuration?  Option "ColorTiling" "True"
in your xorg.conf?  If so, does disabling it fix the issues?

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

--- Comment #3 from Harald Judt <h.judt@gmx.at> 2011-02-21 01:43:42 PST ---
No, Option "ColorTiling" is not in xorg.conf. I've added it now, but setting it
to true or false makes no difference at all.

Option "AccelMethod" "EXA"
Option "EnablePageFlip" "on"
Option "ColorTiling" "true"
Option "ClockGating" "1"
Option "DynamicPM" "on"

I'd say it can't be page flipping either because the problems started quite
some time before it was introduced.

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

--- Comment #4 from Alex Deucher <agd5f@yahoo.com> 2011-02-21 07:43:29 PST ---
Any chance you could track down which component is problematic (drm, ddx, or
mesa) and bisect?

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

--- Comment #5 from Michel Dänzer <michel@daenzer.net> 2011-02-22 03:42:47 PST ---
Please attach the full Xorg.0.log and xorg.conf files.

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

--- Comment #6 from Harald Judt <h.judt@gmx.at> 2011-02-22 05:31:24 PST ---
Created an attachment (id=43655)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43655)
Xorg.0.log

Xorg.0.log as requested.

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

--- Comment #7 from Harald Judt <h.judt@gmx.at> 2011-02-22 05:32:19 PST ---
Created an attachment (id=43656)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43656)
xorg.conf

xorg.conf as requested.

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

--- Comment #8 from Harald Judt <h.judt@gmx.at> 2011-02-22 05:40:30 PST ---
> Any chance you could track down which component is problematic
> (drm, ddx, or mesa) and bisect?

Chance yes, but bisecting will be /very/ time-consuming as it needs compiling
different kernel versions, mesa, etc. Some of these packages will only compile
with specific versions of other packages.

Can't we exclude some packages from the beginning? How about mesa, is it used
for compositing without opengl windows manager? I've already switched between
gallium and classic mesa, and it did not change anything.

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

--- Comment #9 from Harald Judt <h.judt@gmx.at> 2011-02-22 05:41:33 PST ---
I wonder if anyone else is able to reproduce this issue...

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #43655|text/x-c++                  |text/plain
          mime type|                            |

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #43656|text/x-c++                  |text/plain
          mime type|                            |

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

--- Comment #10 from Michel Dänzer <michel@daenzer.net> 2011-02-23 08:38:46 PST ---
I guess it's most likely an xserver issue. E.g. commit
6dd775f57d2f94f0ddaee324aeec33b9b66ed5bc ('composite: Don't backfill
non-bg-None windows') looks possibly relevant.

Sounds like bug 27596 btw (though AFAICT that was reported before the change
above was made).

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

--- Comment #11 from Harald Judt <h.judt@gmx.at> 2011-02-25 01:43:48 PST ---
Thanks for pointing me to this. The symptoms looks indeed very similar, though
I do not start X server with option -wm:

xinit /etc/X11/xinit/xinitrc -- /usr/bin/X -dpi 96 -auth
/home/xxxxx/.serverauth.13388

Hopefully I will find some time next week to check this out.

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |arequipeno@gmail.com

--- Comment #12 from Michel Dänzer <michel@daenzer.net> 2011-02-26 00:49:05 PST ---
*** Bug 34739 has been marked as a duplicate of this bug. ***

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

--- Comment #13 from Ian Pilcher <arequipeno@gmail.com> 2011-02-26 11:01:48 PST ---
Created an attachment (id=43859)
 View: https://bugs.freedesktop.org/attachment.cgi?id=43859
 Review: https://bugs.freedesktop.org/review?bug=34427&attachment=43859

Patch which reverts commit 6dd775f57d2f94f0ddaee324aeec33b9b66ed5bc

I have rebuilt the Fedora 15 RPM with the attached patch (which reverts
commit 6dd775f57d2f94f0ddaee324aeec33b9b66ed5bc), and the problem appears
to be mostly gone.

I no longer see any corruption when opening menus and most windows.  I
did see a bit of corruption when opening up Thunderbird just now, but I'm
willing to put that down to KDE's "Glide" effect.

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[Bug 34427] Graphical corruption when opening windows

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https://bugs.freedesktop.org/show_bug.cgi?id=34427

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Product|DRI                         |xorg
            Version|XOrg CVS                    |unspecified
          Component|General                     |Server/general
         AssignedTo|dri-devel@lists.freedesktop |ajax@nwnk.net
                   |.org                        |
          QAContact|                            |xorg-team@lists.x.org

--- Comment #14 from Michel Dänzer <michel@daenzer.net> 2011-02-27 05:16:06 PST ---
(In reply to comment #13)
> I have rebuilt the Fedora 15 RPM with the attached patch (which reverts
> commit 6dd775f57d2f94f0ddaee324aeec33b9b66ed5bc), and the problem appears
> to be mostly gone.

Thanks for confirming that. However, I'm not sure this is really a bug in the X
server, or possibly rather in the clients. Adam?

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