I'm closing this as fixed. Backporting the socket-handoff stuff for 8.04
is a no-go, 10.04 is behind the corner anyway..
** Changed in: libx11 (Ubuntu)
Status: Incomplete = Fix Released
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Xlib can deadlock when using mutlithreaded
https://bugs.launchpad.net/bugs/232476
You received this
I did testcase again and on ubuntu 8.04 LTS still hang... But on ubuntu 9.10
(i386, and amd64) seems that is OK and testcase runs correctly.
It consider https://bugs.freedesktop.org/show_bug.cgi?id=16617
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Xlib can deadlock when using mutlithreaded
https://bugs.launchpad.net/bugs/232476
You
I think the original poster's problem should have been solved with the
socket-handoff rework in newer libX11/libxcb, such as the versions
Norbert most recently reported success with from Jaunty. It isn't
obvious to me that Karol's bug or Norbert's locking assertion failure
were the same bug as the
At least my testcase doesn't fail anymore in Jaunty 64bit
ii libx11-dev 2:1.1.99.2-1ubuntu2 X11
client-side library (development headers)
ii libx11-xcb1 2:1.1.99.2-1ubuntu2 Xlib/XCB
interface library
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Xlib can deadlock when
** Changed in: libx11 (Ubuntu)
Status: Triaged = Incomplete
--
Xlib can deadlock when using mutlithreaded
https://bugs.launchpad.net/bugs/232476
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Some important synchronization was added in libX11 version 1.2. Can this
problem be reproduced with that version?
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Xlib can deadlock when using mutlithreaded
https://bugs.launchpad.net/bugs/232476
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Hi !
I am interesting in find out more about this deadlock bug, particularly, what
is causing the deadlock in libX11.
I can reproduce the bug but the debug info from libX11 is missing so I cannot
tell what is the cause of the bug.
Is this bug only due to libX11 code? In this case, is there
Currently I'm using testing non-xcb libraries prepared by Bryce with
success, but of course compiz not working. (on Hardy Heron).
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Xlib can deadlock when using mutlithreaded
https://bugs.launchpad.net/bugs/232476
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Hello!
I'm very interested in obtaining any information about progress of
resolving xcb issues in Ubuntu Hardy Heron. Has anybody can simply
explain me what is going on or whether anything is going on in ubuntu in
this and similar xcb issues?
I saw that Interpid Ibex also have xcb linked with
** Changed in: libx11 (Ubuntu)
Assignee: Bryce Harrington (bryceharrington) = (unassigned)
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Xlib can deadlock when using mutlithreaded
https://bugs.launchpad.net/bugs/232476
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Hi Karol,
We did give consideration to doing this (see
https://wiki.ubuntu.com/PlatformTeam/Meetings/20080701), however the
issue is that with the noxcb libX11, it breaks compiz in ways that
wouldn't be easy to solve. I put a bit more discussion about this onto
bug 185311. You're welcome to use
I submitted several days ago a bug on freedesktop.org
https://bugs.freedesktop.org/show_bug.cgi?id=16617 which consider similar
problem. I prepared the simplest test case which
reproduce a problem with libX11 and xcb with multithreaded applications. The
problem considers Ubuntu 8.04 LTS which
The locking assertion failure sounds like bug 185311.
Since we're seeing a few issues with traces involving libxcb, I've
prepared a non-xcb-enabled libx11 here:
http://people.ubuntu.com/~bryce/Testing/libx11/ . (I'm not certain I
reverted all the deps correctly, so let me know if there are
A second machine doesn't really deadlock but recognizes it...
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0x7f23e804097c]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_unlock+0x24) [0x7f23e8040a84]
#2 /usr/lib/libX11.so.6 [0x7f23e8fa0260]
#3
On hardy I get the following build error:
[EMAIL PROTECTED]:~/Desktop$ gcc -g xlibtest.cpp -o xlibtest -lX11 -lpthread
/tmp/ccLdrI4T.o:(.eh_frame+0x12): undefined reference to `__gxx_personality_v0'
collect2: ld returned 1 exit status
** Changed in: libx11 (Ubuntu)
Importance: Undecided =
.. because it's C++ (e.g. keyword true).
gcc -g xlibtest.cpp -o xlibtest -lX11 -lpthread -lstdc++
or using g++ does compile it.
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Xlib can deadlock when using mutlithreaded
https://bugs.launchpad.net/bugs/232476
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** Attachment added: xlibtest.cpp
http://launchpadlibrarian.net/14637872/xlibtest.cpp
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Xlib can deadlock when using mutlithreaded
https://bugs.launchpad.net/bugs/232476
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Ubuntu version is 8.04 Hardy AMD64
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Xlib can deadlock when using mutlithreaded
https://bugs.launchpad.net/bugs/232476
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