[Desktop-packages] [Bug 1179617] Re: qmlscene assert failure: qmlscene: ../../src/xcb_conn.c:180: write_vec: Assertion `!c->out.queue_len' failed.

** Branch linked: lp:ubuntu/trusty/libxcb -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to libxcb in Ubuntu. https://bugs.launchpad.net/bugs/1179617 Title: qmlscene assert failure: qmlscene: ../../src/xcb_conn.c:180: write_vec:

[Desktop-packages] [Bug 1179617] Re: qmlscene assert failure: qmlscene: ../../src/xcb_conn.c:180: write_vec: Assertion `!c->out.queue_len' failed.

This data-race occurred in Virtualbox with 3D acceleration enabled. Below is stack trace of this data race. This bug was fixed by upstream three years ago but it hasn't merged into our code. I have patched my library and Virtualbox haven't crashed since then. Fix:

[Desktop-packages] [Bug 1179617] Re: qmlscene assert failure: qmlscene: ../../src/xcb_conn.c:180: write_vec: Assertion `!c-out.queue_len' failed.

Does this bug still occur? If not, might xcb-xinput be ready to release for Ubuntu? The lack of this package is holding back the ability to install the updated KDE5/Frameworks Wacom tablet control panel module. -- You received this bug notification because you are a member of Desktop Packages,

[Desktop-packages] [Bug 1179617] Re: qmlscene assert failure: qmlscene: ../../src/xcb_conn.c:180: write_vec: Assertion `!c-out.queue_len' failed.

I'm not sure if this is still reproducable with Qt 5.3.0, but the upstream seems to point to the libxcb upstream bug which now has a fix. Another Qt bug linked to the upstream Qt bug report was also reported fixed in Qt 5.3.0. ** Package changed: qtdeclarative-opensource-src (Ubuntu) = libxcb