Bug 9392 - Assertion with qtconfig (qt4)
Summary: Assertion with qtconfig (qt4)
Status: RESOLVED DUPLICATE of bug 8581
Alias: None
Product: xorg
Classification: Unclassified
Component: Lib/Xi (show other bugs)
Version: 7.2 (2007.02)
Hardware: Other Linux (All)
: high normal
Assignee: Jamey Sharp
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Reported: 2006-12-19 09:11 UTC by Stefan Dirsch
Modified: 2006-12-19 20:21 UTC (History)
0 users

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Description Stefan Dirsch 2006-12-19 09:11:24 UTC 
# qtconfig
qtconfig: xcb_xlib.c:41: xcb_xlib_lock: Assertion `!c->xlib.lock' failed.
Aborted

Stacktrace:
#0  0x00002ab335c9e395 in raise () from /lib64/libc.so.6
#1  0x00002ab335c9f7f0 in abort () from /lib64/libc.so.6
#2  0x00002ab335c97a76 in __assert_fail () from /lib64/libc.so.6
#3  0x00002ab3361b5818 in xcb_xlib_lock () from /usr/lib64/libxcb-xlib.so.0
#4  0x00002ab3348679b5 in QWidget::inputMethodEvent () 
from /usr/lib64/libX11.so.6
#5  0x00002ab334856d3e in XQueryExtension () from /usr/lib64/libX11.so.6
#6  0x00002ab33484ba54 in XInitExtension () from /usr/lib64/libX11.so.6
#7  0x00002ab33461872e in XextAddDisplay () from /usr/lib64/libXext.so.6
#8  0x00002ab333531b83 in _XiGetExtensionVersion () from /usr/lib64/libXi.so.6
#9  0x00002ab333531cd5 in XGetExtensionVersion () from /usr/lib64/libXi.so.6
#10 0x00002ab332794a88 in QWidget::inputMethodEvent () 
from /usr/lib64/libQtGui.so.4
#11 0x00002ab332744f39 in QApplicationPrivate::construct () 
from /usr/lib64/libQtGui.so.4
#12 0x00002ab332745d62 in QApplication::QApplication () 
from /usr/lib64/libQtGui.so.4
#13 0x000000000040c754 in QWidget::inputMethodEvent ()
#14 0x00002ab335c8b944 in __libc_start_main () from /lib64/libc.so.6
#15 0x000000000040bd29 in QWidget::inputMethodEvent ()
#16 0x00007fff792e7d98 in ?? ()
#17 0x0000000000000000 in ?? ()
Comment 1 Jamey Sharp 2006-12-19 16:40:15 UTC 
I believe this is a duplicate of bug #8581. If upgrading to libXi 1.1.0 doesn't
fix the problem for you, please re-open this bug.

*** This bug has been marked as a duplicate of 8581 ***
Comment 2 Stefan Dirsch 2006-12-19 20:17:42 UTC 
Thanks. I'll verify with libXi 1.0.2 + git patches:

- Don't call XInput_find_display in _XiGetExtensionVersion, while the Display 
  lock is held. (2006-10-15 09:03:57)
- Bug #8663: _XiCheckExtInit must drop the Display lock in all error cases.
  (2006-11-19 10:04:26)

The patch

- Don't call XInput_find_display in _XiCheckExtInit, while the Display lock
  is held. (2006-10-15 06:26:21)

is already included in libXi 1.0.2.
Comment 3 Stefan Dirsch 2006-12-19 20:21:36 UTC 
Yes, this fixes the issue. :-)

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