Red Hat Bugzilla – Bug 488877
no response on xterm after switching IM
Last modified: 2009-11-24 00:48:56 EST
To keeps an issue in summary on track separately because the root cause is different. +++ This bug was initially created as a clone of Bug #488773 +++ Created an attachment (id=334166) X session errors caused by enabling SCIM Description of problem: After updating libgxim to release 0.3.2-4.fc10, xterm shows some regression: when running a program with a noticeable amount of text output (e.g. 'ls -R /'), then imsettings-applet starts grabbing a significant amount of CPU share of up to 10%. Note that SCIM is disabled at this point. After opening GNOME menu item "Input Method" and enabling SCIM which is disabled by default, xterm does not accept any input from the keyboard anymore unlike gnome-terminal which continues to do so. Version-Release number of selected component (if applicable): libgxim-0.3.2-4.fc10.x86_64 How reproducible: Always. Steps to Reproduce: 1. Open GNOME session. 2. Start a program in an xterm window producing text output. 3. Run 'top' in a different window. 4. Open "Input Method" from GNOME menu and enable SCIM. Actual results: - Noticeable CPU load caused by imsettings-applet. - Xterm unresponsive after enabling SCIM via "Input Method" dialog window. Expected results: Normal behaviour of xterm just as gnome-terminal. Additional info: Reverting libgxim to release 0.3.1-1.fc10 allows to restore normal operation.
Please note that IM won't still works without XIM reconnection support in applications because imsettings-applet, correctly XIM bridge in imsettings can't emulate XIM_CRAETE_IC event and bridge it after that properly because it's really hard to keep consistencies of input-method/input-context properties between new one and old one applications has. GTK+ supports it with focus-in/out say. so switching IM works properly on GTK+ applications, but xterm doesn't. After resolving this bug, you may want to file a bug again for xterm to support XIM reconnection.
Fixed in imsettings-0.106.2-1.fc11 for F-11. will backport a fix for F-10 after certain testing, FYI.
Do you want to push the backport?
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We don't use XIM support in imsettings since F-11. close this as UPSTREAM.