I don't think this is an issue with a hardcoded constant in X, not
unless someone recently made it much smaller. I hadn't seen this problem
at all in 15+ years of using Linux/X, not until upgrading from 10.04LTS
to 12.04LTS.
More likely it's a newly introduced resource leak in X or gnome.
I'm using the nVidia driver.
I hit this yesterday and had to log out/restart X, and I'm already
hitting it again today.
After killing everything except a single terminal and this instance of
Firefox I notice out of 244 root window children over 160 instances of
this sort:
0xc001b9 (has no name): () 238x196+842+518 +842+518
2 children:
0xc001ba (has no name): () 236x164+1+27 +843+545
0xc001bb (has no name): () 238x196+0+0 +842+518
They're all children of the root window. There are some duplicates, for
instance (ignoring their 2 children):
0xc01660 (has no name): () 1077x1052+850+154 +850+154
0xc016b1 (has no name): () 1077x1052+324+118 +324+118
0xc017ea (has no name): () 1077x1052+850+154 +850+154
0xc01877 (has no name): () 1077x1052+850+154 +850+154
0xc018fb (has no name): () 1077x1052+850+154 +850+154
0xc01947 (has no name): () 1077x1052+850+154 +850+154
0xc019cc (has no name): () 1077x1052+850+154 +850+154
0xc01a45 (has no name): () 1077x1052+850+154 +850+154
I used to think it was xscreensaver, but I disabled that. I have no screensaver
process running now. The only "strange" thing that might be related is a shell
script I run that fires off xplanet every 5 minutes to generate a jpeg and then
calls
gconftool -t str -s /desktop/gnome/background/picture_filename <file.jpg>
to update the background image.
> xlsclients
john gnome-session
john gnome-settings-daemon
john gnome-panel
john gnome-fallback-mount-helper
john rainlendar2
john polkit-gnome-authentication-agent-1
john devilspie
john gtk-window-decorator
john notify-osd
john gdu-notification-daemon
john telepathy-indicator
john indicator-applet
john gweather-applet-2
john indicator-applet-session
john indicator-printers-service
john evolution-alarm-notify
john gnome-terminal
john firefox
Any suggestions on how to debug this would be appreciated.
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