Bug 27530

Summary:

[RV370] Portion of second monitor unusable

Product:

xorg

Reporter:

Bryce Harrington <bryce>

Component:

Driver/Radeon

Assignee:

xf86-video-ati maintainers <xorg-driver-ati>

Status:

RESOLVED NOTABUG

QA Contact:

Xorg Project Team <xorg-team>

Severity:

normal

Priority:

high

CC:

codger

Version:

7.4 (2008.09)

Hardware:

x86 (IA32)

OS:

Linux (All)

Whiteboard:

i915 platform:

i915 features:

Attachments:

Description	Flags
XorgLog.txt	none
CurrentDmesg.txt	none
BootDmesg.txt	none

Description Bryce Harrington 2010-04-07 20:27:13 UTC

Forwarding this bug from Ubuntu reporter mikelietz:
http://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/556631

[Problem]
With dual-head enabled, the rightmost screen shows the right portion of the screen is corrupted.

[Original Description]
I have a Sapphire X550 Radeon. I installed Lucid Beta 1.

The left monitor is 1680x1050. The right monitor is 1280x1024.

The rightmost portion of the right monitor is unusable - in the picture below it's the black and white stripe. Only the mouse cursor shows up on it.

http://www.ubuntu-pics.de/bild/50764/desk_1_002_6L0A6g.png

The middle portion between the (default) wallpaper and the aforementioned stripe shows a trail of whatever I drag through it.

If I move the monitors from side to side instead to top and bottom I get a smaller unusable area at the bottom of the second screen.

Architecture: i386
Date: Tue Apr  6 11:51:05 2010
DistroRelease: Ubuntu 10.04
DkmsStatus: Error: [Errno 2] No such file or directory
GdmLog1: Error: command ['gksu', '-D', 'Apport', '--', 'cat', '/var/log/gdm/:0.log.1'] failed with exit code 1: cat: /var/log/gdm/:0.log.1: No such file or directory
GdmLog2: Error: command ['gksu', '-D', 'Apport', '--', 'cat', '/var/log/gdm/:0.log.2'] failed with exit code 1: cat: /var/log/gdm/:0.log.2: No such file or directory
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100318)
MachineType: Hewlett-Packard HP Compaq dc7600 Convertible Minitower
Package: xserver-xorg-video-radeon 1:6.12.191-1ubuntu2
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-16-generic root=UUID=ead67149-8e87-4949-9b21-6c9af313f872 ro quiet splash
ProcEnviron:
 LANGUAGE=
 LANG=en_US.utf8ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
SourcePackage: xserver-xorg-video-ati
Uname: Linux 2.6.32-16-generic i686
dmi.bios.date: 05/18/2005
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 786D1 v01.03
dmi.board.name: 09F0h
dmi.board.vendor: Hewlett-Packard
dmi.chassis.asset.tag: 2UA621114Z
dmi.chassis.type: 6
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr786D1v01.03:bd05/18/2005:svnHewlett-Packard:pnHPCompaqdc7600ConvertibleMinitower:pvr:rvnHewlett-Packard:rn09F0h:rvr:cvnHewlett-Packard:ct6:cvr:
dmi.product.name: HP Compaq dc7600 Convertible Minitower
dmi.sys.vendor: Hewlett-Packard
glxinfo: Error: [Errno 2] No such file or directory
system: codename:           lucid
 architecture:       i686
 kernel:             2.6.32-16-generic

[lspci]
00:00.0 Host bridge [0600]: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub [8086:2770] (rev 02)
	Subsystem: Hewlett-Packard Company Device [103c:3010]
01:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV370 [Sapphire X550 Silent] [1002:5b63]
	Subsystem: Diamond Multimedia Systems Device [1092:3000]

Comment 1 Bryce Harrington 2010-04-07 20:27:29 UTC

Created attachment 34789 [details]
XorgLog.txt

Comment 2 Bryce Harrington 2010-04-07 20:27:45 UTC

Created attachment 34790 [details]
CurrentDmesg.txt

Comment 3 Bryce Harrington 2010-04-07 20:28:04 UTC

Created attachment 34791 [details]
BootDmesg.txt

Comment 4 Alex Deucher 2010-04-07 21:51:27 UTC

Disable desktop effects.  The max texture size on r3xx/r4xx hardware is 2048x2048 pixels and your desktop is larger than that.  Compiz should check the max texture size and refuse to load.

Comment 5 Bryce Harrington 2010-04-08 00:00:12 UTC

Thanks Alex, silly me, I should have checked that.

It appears there has been a regression in the checking algorithm in compiz or something.  I've forwarded the bug to them to investigate.  Seems there is also a situation where if the resolution is exactly equal to the max texture size, compiz tries to run, when it shouldn't.  https://bugs.edge.launchpad.net/ubuntu/lucid/+source/compiz/+bug/428769/

Comment 6 Alex Deucher 2010-04-08 06:32:49 UTC

(In reply to comment #5)
> Thanks Alex, silly me, I should have checked that.
> 
> It appears there has been a regression in the checking algorithm in compiz or
> something.  I've forwarded the bug to them to investigate.  Seems there is also
> a situation where if the resolution is exactly equal to the max texture size,
> compiz tries to run, when it shouldn't. 
> https://bugs.edge.launchpad.net/ubuntu/lucid/+source/compiz/+bug/428769/

On r1xx/r2xx, IIRC, there is an issue with textures or render targets over 2047 pixels.  R3xx+ should be fine.

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