Public bug reported:
Hello,
I noticed a very strange bug when programming Xlib directly. A
combination of calls that set NET_WM_STATE_MODAL=1 and
XSetTransientForHint(window,window) (not always) causes a hang of
metacity. Neither killing the program that made these calls, nor
anything else except killing Xorg server helps. Please find attached a
source code of a primitive program that causes metacity to hang on my
12.04. Compile it with "gcc -o hang_xorg hang_xorg.c -lX11" .
Sincerely,
Dmitry Karasik
dmi...@karasik.eu.org
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: metacity 1:2.34.1-1ubuntu11
ProcVersionSignature: Ubuntu 3.2.0-53.81-generic 3.2.50
Uname: Linux 3.2.0-53-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.5
Architecture: amd64
Date: Wed Oct 23 13:34:32 2013
InstallationMedia: Ubuntu 10.04.4 LTS "Lucid Lynx" - Release amd64 (20120214.2)
MarkForUpload: True
SourcePackage: metacity
UpgradeStatus: Upgraded to precise on 2013-05-15 (161 days ago)
** Affects: metacity (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise third-party-packages
** Attachment added: "hang_xorg.c"
https://bugs.launchpad.net/bugs/1243674/+attachment/3888527/+files/hang_xorg.c
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https://bugs.launchpad.net/bugs/1243674
Title:
metacity hangs after application calls XSetTransitionForHint()
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