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iTux
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Joined: 07 Sep 2004
Posts: 586
Location: Toronto
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 Posted: Thu Mar 10, 2005 6:44 pm Post subject: Colours get yellow - Firefox/PowerPC related? |
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Hi,
Sometimes the colours turn out yellow in Firefox (will propagate to other apps). More or less like when you have more colours than what the video card would on old computers and you would switch applications. I think caused by Firefox as it starts there but could not tell so for 100%.
I noticed it a long time ago but now seems more frequent.
It never happened on my x86 which is configured about the same way.
I have an iBook G3 700MHz
ATI Technologies Inc Radeon Mobility M6 LY
Section "Device"
Identifier "Card0"
Option "UseFBDev"
Driver "ati"
VendorName "ATI Technologies Inc"
BoardName "Radeon Mobility M6 LY"
BusID "PCI:0:16:0"
EndSection
Most recent Firefox version (happened before with older).
Any clue? Note: difficult to search for yellow in Google, especially when yellow dog Linux exists... 
Thanks,
iTux |
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G2k
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Joined: 06 Mar 2004
Posts: 672
Location: Rome, Italy
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| Posted: Thu Dec 29, 2005 3:19 pm Post subject: |
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I have a feeling your video card is faulty, I doubt it's software related. I might be wrong though don't quote me on this
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AaronPPC
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Joined: 29 May 2005
Posts: 522
Location: Tucson, AZ
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| Posted: Fri Dec 30, 2005 3:33 am Post subject: |
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Are you using the composite extension in Xorg? I would need to see a screenshot to know for sure, but it sounds like the problem I used to have when I tried to use composite with the Xorg-6.8 ati driver.
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Massimo B.
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Joined: 09 Feb 2005
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Location: PB, Germany
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| Posted: Sat May 20, 2006 6:09 am Post subject: |
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I notice the same problem and I don't have firefox. The yellow colors affect the menubars, different apps (gtk+ ant qt). It happens and disappears after a while without restarting. I think it is caused by running gtk+ applications such as pan, evolution.
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Massimo B.
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Joined: 09 Feb 2005
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Location: PB, Germany
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| Posted: Mon May 22, 2006 6:36 pm Post subject: Screenshots: |
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Yellow-Bug 1
Yellow-Bug 2
I'ts hard to get screenshots, because it happens rarely. Sometimes whole windows are yellow, as soon as I move the mouse over it it becomes normal. Switching apps or desktops also helps.
My xorg server recognizes 16 MB grafic ram automatically, that should be the right size.
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Massimo B.
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JoseJX
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Massimo B.
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Joined: 09 Feb 2005
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Location: PB, Germany
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| Posted: Fri Jun 02, 2006 11:36 pm Post subject: |
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| Code: | # eix -c xorg-x11
[I] x11-base/xorg-x11 (6.8.2-r7) |
| Code: | # cat /etc/X11/xorg.conf
Section "ServerLayout"
Identifier "self configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
# RgbPath is the location of the RGB database. Note, this is the name of the
# file minus the extension (like ".txt" or ".db"). There is normally
# no need to change the default.
RgbPath "/usr/lib/X11/rgb"
# ModulePath can be used to set a search path for the X server modules.
# The default path is shown here.
ModulePath "/usr/lib/modules"
# Multiple FontPath entries are allowed (which are concatenated together),
# as well as specifying multiple comma-separated entries in one FontPath
# command (or a combination of both methods)
# For X Font Server support, uncomment this and comment the other FontPaths
# Note that this is not required for most configurations
#FontPath "unix/:-1"
FontPath "/usr/share/fonts/local/"
FontPath "/usr/share/fonts/encodings/"
FontPath "/usr/share/fonts/util/"
FontPath "/usr/share/fonts/misc/"
FontPath "/usr/share/fonts/75dpi/"
FontPath "/usr/share/fonts/75dpi/:unscaled"
FontPath "/usr/share/fonts/100dpi/"
FontPath "/usr/share/fonts/100dpi/:unscaled"
FontPath "/usr/share/fonts/cyrillic/"
FontPath "/usr/share/fonts/Type1/"
FontPath "/usr/share/fonts/TTF/"
FontPath "/usr/share/fonts/ukr/"
FontPath "/usr/share/fonts/default/"
FontPath "/usr/share/fonts/artwiz/"
#FontPath "/usr/share/fonts/truetype"
#FontPath "/usr/share/fonts/Speedo/"
#FontPath "/usr/share/fonts/CID/"
#FontPath "/usr/share/fonts/lfp-fix/"
#FontPath "/usr/share/fonts/lfp-var/"
#FontPath "/usr/share/fonts/sharefont/"
#FontPath "/usr/share/fonts/freefont/"
#FontPath "/usr/share/fonts/ttfs/"
#FontPath "/usr/share/AbiSuite/fonts/"
EndSection
Section "Module"
Load "extmod"
Load "dri"
Load "dbe"
Load "record"
Load "glx"
Load "type1"
Load "freetype"
Load "fbdevhw"
#Load "speedo"
Load "xtrap"
Load "bitmap"
#Load "xtt"
EndSection
Section "Extensions"
#Option "Composite" "Disable" # Experimental # unstable for some games
Option "RENDER" "Enable"
EndSection
Section "Serverflags"
# Set the basic blanking screen saver timeout.
# Set the DPMS timeouts. These are set here because they are global
# rather than screen-specific. These settings alone don't enable DPMS.
# It is enabled per-screen (or per-monitor), and even then only when
# the driver supports it.
#Option "blank time" "10" # 10 minutes
#Option "standby time" "20"
#Option "suspend time" "30"
#Option "off time" "60"
### Uncomment this Server flag if X should not change resolutions.
### This is useful if mode changing crashes / corrupts the X server
#Option "DisableVidModeExtensions"
Option "NoPM" "yes"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
# Option "XkbSymbols" "de"
Option "XkbGeometry" "macintosh"
Option "XkbOptions" "ctrl:nocaps, lv3:lwin_switch"
#
Option "XkbModel" "pc105"
Option "LeftAlt" "Meta"
Option "RightAlt" "LWin"
Option "Xkblayout" "de"
#Option "XkbVariant" "nodeadkeys"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
#Option "CorePointer"
#Option "Protocol" "IMPS/2"
#Option "Protocol" "ExplorerPS/2"
Option "Protocol" "auto"
Option "ZAxisMapping" "4 5"
Option "Device" "/dev/input/mice"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
#UseModes "Modes0"
HorizSync 30-70
VertRefresh 50-160
# Option "DPMS" "true"
EndSection
Section "Device"
### Available Driver options are (aditional from man radeon):-
### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
### [arg]: arg optional
#Option "SWcursor" # [<bool>]
#Option "Dac6Bit" # [<bool>]
#Option "Dac8Bit" # [<bool>]
#Option "ForcePCIMode" # [<bool>]
#Option "CPPIOMode" # [<bool>]
#Option "CPusecTimeout" # <i>
#Option "AGPSize" # <i>
#Option "RingSize" # <i>
#Option "BufferSize" # <i>
#Option "EnableDepthMoves" # [<bool>]
#Option "NoBackBuffer" # [<bool>]
#Option "PanelOff" # [<bool>]
#Option "CloneDisplay" # <i>
#ption "CloneMode" "1024x768" # [<str>]
#Option "CloneHSync" "27.0-115.0" # [<str>]
#Option "CloneVRefresh" "50.0-160.0" # [<str>]
#Option "VideoKey" # <i>
#Option "CRT2HSync" "27.0-115.0"
#Option "CRT2VRefresh" "50.0-160.0"
#Option "OverlayOnCRTC2" "false"
Option "DynamicClocks" "true"
### Available Driver options (from Xorgautoconfig):
### See "man radeon" for additional options
Option "ColorTiling" "false" # True has trouble with latest xorg
Option "BackingStore" "true" # Increases performance
Option "EnablePageFlip" "true" # Increases performance
#Option "SWcursor" "false" # Use Software Cursor
#Option "NoAccel" "false" # Disable Hardware Acceleration
Option "AGPMode" "2" # Set AGP data transfer rate, DRI only
Option "AGPFastWrite" "true" # Use AGP Fast Write, DRI only
Option "RenderAccel" "true" # Hardware acceleration
##Option "DCCMode" "false" # Use querried modes from monitor
#Option "MonitorLayout" "LVDS,CRT" # Enable this for Apple DVI LCDs
Option "UseFBDev" "true"
Option "MergedFB" "false"
#Option "CRT2Position" "Clone"
Identifier "Card0"
Driver "radeon"
VendorName "ATI Technologies Inc"
BoardName "Radeon Mobility M6 LY"
BusID "PCI:0:16:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1024x768"
EndSubSection
EndSection
Section "DRI"
Group 0
Mode 0666
EndSection |
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Massimo B.
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Location: PB, Germany
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| Posted: Tue Jun 06, 2006 7:05 pm Post subject: |
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Most problems has gqview here. I can say, every time I gqview opens a bitmap it's all yellow. Just switching pictures brings some clear pictures while the frames stay yellow.
Maybe try that application. (I like it more than kuickshow)
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Massimo B.
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Posts: 1776
Location: PB, Germany
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| Posted: Tue Jun 27, 2006 8:30 am Post subject: |
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No one else has seen these effects on a PPC? For now I can say that gqview triggers the bug every time (something related to truecolor, maybe dithering, and gtk apps) so I switched more and more to K/Q-applications which don't have these issues.
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AaronPPC
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Joined: 29 May 2005
Posts: 522
Location: Tucson, AZ
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| Posted: Tue Jun 27, 2006 5:29 pm Post subject: |
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Try disabling composite.
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Massimo B.
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Posts: 1776
Location: PB, Germany
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| Posted: Thu Jul 06, 2006 5:08 pm Post subject: |
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So far, never seen it again, the yellow monster, since new modular xorg 7.
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AaronPPC
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Joined: 29 May 2005
Posts: 522
Location: Tucson, AZ
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| Posted: Thu Jul 06, 2006 8:48 pm Post subject: |
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Excellent. I haven't had the problem since 6.9. You are probably ok now.
Since you are using 7.x, slip this line into the Device section in your xorg.conf:
| Code: | | Option "AccelMethod" "exa" |
It greatly speeds up the composite stuff on Radeons.
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Massimo B.
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Location: PB, Germany
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| Posted: Fri Jul 07, 2006 4:37 am Post subject: |
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Nice to know, thanks, I like speed ups.
Too bad, man radeon doesn't exist here 
So far some of my options are ( left out InputDevices): | Code: | # cat /etc/X11/xorg.conf |grep "Option" |grep -v "#"
Option "RENDER" "Enable"
Option "NoPM" "yes"
Option "DynamicClocks" "true"
Option "MergedFB" "false"
Option "UseFBDev" "true"
Option "AccelMethod" "exa" |
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AaronPPC
Guru
Joined: 29 May 2005
Posts: 522
Location: Tucson, AZ
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| Posted: Fri Jul 07, 2006 9:50 pm Post subject: |
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Here a few more that might help:
| Code: | Option "BackingStore" "true"
Option "EnablePageFlip" "true"
Option "EnablePrivateBackZ" "true" |
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JoseJX
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Posts: 2774
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AaronPPC
Guru
Joined: 29 May 2005
Posts: 522
Location: Tucson, AZ
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| Posted: Sat Jul 08, 2006 8:57 pm Post subject: |
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| JoseJX wrote: | | EnablePrivateBackZ is a propriatary ati binary driver option |
Yup, I just looked at the radeon man page and it isn't there. Oh, yeah, I found this too:
| Code: | # cat /var/log/Xorg.0.log | grep Enable
(**) RADEON(0): Option "EnablePageFlip" "true"
(WW) RADEON(0): Option "EnablePrivateBackZ" is not used |
I'm not sure where I found it--it was probably in somebody's xorg.conf posts.
| JoseJX wrote: | | And just a FYI, it seems EXA breaks XV under some conditions, which you probably use for scaling when watching movies. |
I seems I finally got lucky with BackingStore and EXA. I have not had trouble with either one. The Law of Large Numbers broke my way for once.
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Massimo B.
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Posts: 1776
Location: PB, Germany
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| Posted: Sun Jul 09, 2006 1:55 am Post subject: |
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As I said the yellow bug disappeared with 7.1, and currently the following xorg.conf options are working for me.
| Code: | # Option "DynamicClocks" "false"
Option "ColorTiling" "true" # True has trouble with latest xorg # on by default, if not fbdev
Option "BackingStore" "true" # Increases performance # unstable (JoseJX)
Option "EnablePageFlip" "true" # Increases performance # good for most cases
Option "AGPMode" "2" # Set AGP data transfer rate, DRI only
Option "AGPFastWrite" "true" # Use AGP Fast Write, DRI only
Option "RenderAccel" "true" # Hardware acceleration
Option "UseFBDev" "yes"
Option "AccelMethod" "exa" |
Notice that my machine needs "UseFBDev" "yes" to work.
Maybe that's the point why I didn't succeed using the 2nd head via VGA adaptor like some people explained how to configure.
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Gentoo on PPC
