Red Hat Bugzilla – Bug 678803
[RV280] R200: clutter text drawing corrupted in gnome-shell
Last modified: 2015-02-17 08:39:13 EST
Created attachment 479724 [details]
a "new-and-improved" look with gnome3
Description of problem:
Attached picture file fairly represents a look a screen with gnome-shell in use.
A display is 1600x1200 LCD panel driven by an DVI-0 output of an "ATI Radeon 9250 5960 (AGP)" video card using KMS.
BTW - is there a way to change that colour scheme? Vision problems of my wife make white lettering on dark backgrounds _absolutely_ unacceptable even if a display could be fixed in some way.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. just allow gnome-shell to mess with a session
No problems with a screen picture where not attempting to use gnome-shell
Me too, with a ATI Technologies Inc RV280 [Radeon 9200] (Secondary) (rev 01)
running the Feb 2011 Graphics Test Day LiveCD.
With the current, updated, setup I am getting just a bunch vertical stripes in various shades of blue followed by an immediate crash. Not much of an improvement.
Similar issue with "ATI Radeon Mobility 9000 (M9) Lf (AGP)" (that should be an RV250 type card) running gnome-shell-2.91.90-2.fc15.i686.
Thanks for the bug report. We have reviewed the information you have provided above, and there is some additional information we require that will be helpful in our diagnosis of this issue.
Please add drm.debug=0x04 to the kernel command line, restart computer, and attach
* your X server config file (/etc/X11/xorg.conf, if available),
* X server log file (/var/log/Xorg.*.log)
* output of the dmesg command, and
* system log (/var/log/messages)
to the bug report as individual uncompressed file attachments using the bugzilla file attachment link above.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Created attachment 490090 [details]
the only piece of xorg.conf in use
There is no explicit /etc/X11/xorg.conf. The only file residing in /etc/X11/xorg.conf.d is attached.
Created attachment 490091 [details]
dmesg from the last bootable kernel from boot with drm.debug=0x04
Created attachment 490092 [details]
Xorg.0.log from the debug boot
Created attachment 490094 [details]
/var/log/messages from drm.debug=0x04
> Matej Cepl <email@example.com> changed:
> What |Removed |Added
> Summary|R200: clutter text drawing |[RV280] R200: clutter text
> |corrupted in gnome-shell |drawing corrupted in
> | |gnome-shell
Please note that this is reproducible an a RV250 too (see comment #3),
(Linking to the same bug reported upstream)
*** Bug 679579 has been marked as a duplicate of this bug. ***
Note that bugs.fdo has an interesting bug wrt this:
Created attachment 491117 [details]
PATCH: texstore: stricter check for memcpy path for unorm88 and unorm1616
The attached patch fixes the font corruption / gnome shell misrendering with
r2xx cards (*). It does this by restoring the original texstore behavior from
before commit 5d1387b2da3626326410804026f8b92f1a121fdc for al88 / al1616
*) Tested with F-15 x86_64 on my rv250 card.
Many thanks to Nicolas Kaiser who did all the hard work of tracking this down
I've done a mesa scratch build for F-15 for all of you to try:
Created attachment 491152 [details]
F15BetaRC1 Before Patch
Created attachment 491153 [details]
F15BetaRC1 After Patch
It works! See the before and after screenshots...
There are still some things that aren't right, but I don't know if they're R200-specific or not. Thanks Hans!
Created attachment 491159 [details]
gnome shell with mesa koji HDG build
This is great improvement. The text is fixed and I also have a working shadows around the windows. The are still some artifacts around icons and icons are not drawn correctly in quick access bar, but this is probably a different cause. Thanx a lot.
Created attachment 491170 [details]
text corruption with mouseover in drop down menu
0) Huge improvement. (Not only in text rendering but also in things like rendering of window shades, but maybe that is because those packages were not a one issue upgrade for my machine, which was running current Rawhide.)
1) Very similar text corruption still seen elsewhere. Eg, when doing a mouseover on the drop down menu on the top-right side of the gnome-shell.
(In reply to comment #18)
> Created attachment 491170 [details]
> text corruption with mouseover in drop down menu
> 0) Huge improvement. (Not only in text rendering but also in things like
> rendering of window shades, but maybe that is because those packages were not a
> one issue upgrade for my machine, which was running current Rawhide.)
> 1) Very similar text corruption still seen elsewhere. Eg, when doing a
> mouseover on the drop down menu on the top-right side of the gnome-shell.
Right, unfortunately this patch does not fix all issues with r2xx and gnome-shell, we will use bug 679579 to track the issues not fixed by this patch.
Note that I'm not a mesa developer, so I'm afraid I cannot really help with the other corruption issues.
(In reply to comment #19)
> Right, unfortunately this patch does not fix all issues with r2xx and
> gnome-shell, we will use bug 679579 to track the issues not fixed by this
Dave, so should be this bug be closed (with continuation in bug 679579)?
(In reply to comment #20)
> Dave, so should be this bug be closed (with continuation in bug 679579)?
Sounds a bit premature. The same bug affects rawhide, and it was originally reported as such, and there the latest mesa package, even in koji, is mesa-7.11-0.2.20110327.0.fc16.
IMHO this is OK now and could be closed. But I've dropped the RV200 card few month ago, can not verify the state of art.
Yes. With F17 Release LiveCD, gnome-shell text on my RV250 is good.
That's because gnome-shell uses pure software rendering on R200 chipsets, iirc.
The 3D driver is Mesa DRI R200 8.0.2. llvmpipe is fine as well, but slow on this machine (Pentium M).
I just tried each of these:
RV200 QW [Radeon 7500] pci 1002:5157
RV280 [Radeon 9200 PRO "9250"] pci 1002:5960
and the text in Gnome3 full-screen title bar was drawn correctly. Of course, this is in fallback mode with no "3D" support (no alpha blending, etc.) Fedora 17 Release with yum updates:
This bug appears to have been reported against 'rawhide' during the Fedora 19 development cycle.
Changing version to '19'.
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