Red Hat Bugzilla – Bug 485925
OpenGL renderer does not close files.
Last modified: 2009-12-04 12:57:51 EST
Description of problem:
If the OpenGL renderer is used to render desktop effects, then the system runs out of file handels and reports "The limit of open files is exceeded." or the like ;-). This renders the system unusable.
Version-Release number of selected component (if applicable):
Select in Systemsettings -> desktop effects -> advanced: Composite-renderer = "OpenGL"
Now use the system normaly, after approx. 1h the number of file open in /proc/sys/fs/file-nr exceeds the bound in /proc/sys/fs/file-max and the system needs to be rebooted.
Steps to Reproduce:
1. see above
Desktop effects w/ OpenGL and w/o destruction of the system. This may be reached by using the XRenderer for Composite-renderer.
Bug found on Fedora 10, x86_64, Intel Core2Duo 2.4 GHz, 3G Ram, Gigabyte GA -965GM-S2 with an Intel 965G graphics adapter.
The evidence so far indicates a driver problem. This seems to happen only with folks with intel 965 hardware.
And may well be specific to i965/x86_64.
I've got a x86_64/i945 laptop, usually run in XRender mode (opengl being too slow), but I'll try opengl awhile, and see if I can reproduce.
Can you provide details as to which desktop effects and kwin plugins are enabled?
> Can you provide details as to which desktop effects and kwin plugins are
On the general tab:
Enable desktop effects -- of course :-)
Improved window managment -- which greyed currently, so I can't deselect.
On the "All effects" tab:
(I am translating this. My system's language is German and although I executed: "LANG=C kcmshell4 kwincompositing" to get the English phrases, those items are still in German; I am giving only the selected modules here:)
Find mouse position
Preview pictures in window panel
Shadow desktop for root password
Shadow parents windows
Desktop switcher (grid)
Desktop switcher cube
Preview picture in alt+tab window switcher
On the advanced tab:
Compositing type: OpenGL
Kepp window thumbnails: Only for shown windows
OpenGL mode: Texture from Pixmaps
Texture filter: Nearest (fastest)
So this is my config. Feel free for any questions.
Reassign to xorg-* ? or keep here
The DRI driver really doesn't open files that much. It would be informative to list /proc/*/fd/* when this happens, to see which process is the one eating all the filehandles.
I am sorry, but I stopped using KDE and switched to Gnome where I disabled all those fancy desktop effects. Even when I had those effects enabled on Gnome, the problem did not occur anymore. Thanks for your time!
Is there anybody here able to reproduce this bug with the latest upgrade to his version of Fedora?
Since this bugzilla report was filed, there have been several major updates in various components of the Xorg system, including Intel driver, which may have resolved this issue.
To be more precise, Intel has undergone a major rewrite during Fedora 10, 11 and 12 cycles, and whole driver is working a lot better now. Users who have experienced this problem are encouraged to retry with at least Fedora 12 Beta and see if the issue is still relevant.
Please, if you experience this problem on Fedora 12 Beta or up-to-date system running Rawhide, 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.
We hope to see how many older bugs in Intel driver are still relevant today, in hope that most of them were fixed in rewrite process.
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We are sorry, but the Fedora Project is will soon stop longer releasing bug fixes or any other updates for this version of Fedora. There were so many changes between Fedora 10 and Fedora 12 in Intel driver and X.Org that it's very likely that this bug is fixed. This bug will be set to CLOSED:WONTFIX to reflect this, but please reopen it if the problem persists after upgrading to the latest version of Fedora (version 12), which is available from: