Description of problem:
Hardware: Intel 945GM Chipset in a Thinkpad X60s
With the latest release the driver allows an xrandr size of 4096x4096. This works
as far as I can tell (I can run 1024x768 and 1920x1200 side by side).
If the total size exceeds 2048 pixels, however, XVideo stops working. mplayer opens the video window and starts playback, but the video remains black. Reducing the size below 2048 makes XVideo work again.
a) Single 1024x768 screen: xvideo works
b) 1920x1200 above 1024x768: xvideo works (video can be moved across both monitors)
c) 1920x1200 left (or right) of 1024x768: xvideo does not work (black window)
d) back to b): xvideo works again
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. see above
Besides this issue I am quite happy with the 2.7 series of drivers. KMS works without slowdowns, large xrandr size and no more video tearing.
Created attachment 340698 [details]
That's expected, unfortunately. The XV adaptor uses the YUV texture support in the 3D engine. The 915 and 945's 3D engine are crippled and can't address destination surfaces larger than 2k wide.
There's a sense in which we could try to make this work by double-buffering the blit: once from YUV to RGB offscreen with the 3D engine, and then from that temporary surface to the screen with the 2D engine. It'd be kind of unpleasant to implement, but probably doable.
Does "destination surface" mean the size of the xv window (i.e. the size of my video output) or the virtual desktop size? The xv window itself was never larger than 2k pixels, just the virtual desktop.
Virtual desktop size. When no compositing manager is running, all windows share storage with the root window.
This bug appears to have been reported against 'rawhide' during the Fedora 11 development cycle.
Changing version to '11'.
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Since this bugzilla report was filed, there have been several major updates in various components of the Xorg system, which may have resolved this issue. Users who have experienced this problem are encouraged to upgrade their system to the latest version of their packages. For packages from updates-testing repository you can use command
yum upgrade --enablerepo='*-updates-testing'
Alternatively, you can also try to test whether this bug is reproducible with the upcoming Fedora 12 distribution by downloading LiveMedia of F12 Beta available at http://alt.fedoraproject.org/pub/alt/nightly-composes/ . By using that you get all the latest packages without need to install anything on your computer. For more information on using LiveMedia take a look at https://fedoraproject.org/wiki/FedoraLiveCD .
Please, if you experience this problem on the up-to-date system, let us now in the comment for this bug, or whether the upgraded system works for you.
If you won't be able to reply in one month, I will have to close this bug as INSUFFICIENT_DATA. Thank you.
[This is a bulk message for all open Fedora Rawhide Xorg-related bugs. I'm adding myself to the CC list for each bug, so I'll see any comments you make after this and do my best to make sure every issue gets proper attention.]
Still the same issue (obviously) with current Fedora 12. In this case with a ThinkPad T60 with 945GM. Easily reproducible with a webcam and something like Cheese.
clear Needinfo flag
I just tried F13 Alpha, and there is no change
Two possible workarounds if your experiencing this issue.
a) Change to "no xv" output. For Gstreamer apps here is the procedure
Just instead of changing the output to "X Window System (X11/Xshm/Xv)", change it to "X Window (No Xv)". This will result in higher CPU usage for playback though.
b) As hinted by Adam Jackson, turn on compositing in Metacity. Here is the procedure
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