Ubuntu
unity-2d package

  1. Bug #918566
  2. Comment #14

Comment 14 for bug 918566

Revision history for this message
Paweł Stołowski (stolowski) wrote : Re: unity-2d-places crashed with SIGSEGV in QCoreApplication::notifyInternal()

A couple of observations:
1. It seems that the crash occurs only when switching between Video- or Music- lens to any other lens.
2. There are a lot of qt-at-spi warnings related to unsupported events, e.g.
.....
unity-2d-shell: [WARNING] QSpiAccessible::accessibleEvent not handled: "800b" obj: QDeclarativeColumn(0x8c50ba8) ""
unity-2d-shell: [WARNING] QSpiAccessible::accessibleEvent not handled: "800b" obj: TextCustom_QMLTYPE_29(0x902b8b8) ""
unity-2d-shell: [WARNING] QSpiAccessible::accessibleEvent not handled: "800b" obj: TextCustom_QMLTYPE_29(0x90bc010) ""
unity-2d-shell: [WARNING] QSpiAccessible::accessibleEvent not handled: "800b" obj: QDeclarativeItem_QML_60(0x90a9578) ""
unity-2d-shell: [WARNING] QSpiAccessible::accessibleEvent not handled: "800b" obj: QDeclarativeColumn(0x90cf0a8) ""
unity-2d-shell: [WARNING] QSpiAccessible::accessibleEvent not handled: "800b" obj: TextCustom_QMLTYPE_29(0x8ff8718) ""
unity-2d-shell: [WARNING] QSpiAccessible::accessibleEvent not handled: "800b" obj: TextCustom_QMLTYPE_29(0x90d9478) "
......

if you look at stacktrace frame for QDeclarativeAccessibilityUpdater::sendGeometryUpdate method call, its 'item' argument corresponds to one of the QDeclarativeColumn objects displayed in qt-at-spi warnings, e.g.

#6 0xb6e6b163 in QDeclarativeAccessibilityUpdater::sendGeometryUpdate (this=0x81b4c2c, item=0x90cf0a8)

and it's always QDeclarativeColumn for every crash I experienced.