touch-packages team mailing list archive

[Olivier Tilloy <olivier.tilloy@xxxxxxxxxxxxx>]

I can reproduce (although not 100% of the times) on desktop too. Here is
how the backtrace looks like when ran in gdb:

#0  QCoreApplication::postEvent (receiver=0x3b78820, event=0x7fff40041990, priority=0)
    at kernel/qcoreapplication.cpp:1284
#1  0x00007ffff649945e in QQuickPixmapReader::processJob (this=0x3984d80, runningJob=0x3b78820, url=..., 
    requestSize=...) at util/qquickpixmapcache.cpp:563
#2  0x00007ffff6499f84 in QQuickPixmapReader::processJobs (this=0x3984d80) at util/qquickpixmapcache.cpp:526
#3  0x00007ffff649a2bd in QQuickPixmapReaderThreadObject::event (this=<optimized out>, e=<optimized out>)
    at util/qquickpixmapcache.cpp:480
#4  0x00007ffff593b16c in QApplicationPrivate::notify_helper (this=0x672610, receiver=0x7fff400013a0, e=0x3b6dd70)
    at kernel/qapplication.cpp:3504
#5  0x00007ffff594041e in QApplication::notify (this=0x7fffffffdc70, receiver=0x7fff400013a0, e=0x3b6dd70)
    at kernel/qapplication.cpp:3287
#6  0x00007ffff797981b in QCoreApplication::notifyInternal (this=0x7fffffffdc70, receiver=0x7fff400013a0, 
    event=event@entry=0x3b6dd70) at kernel/qcoreapplication.cpp:935
#7  0x00007ffff797b7e3 in sendEvent (event=0x3b6dd70, receiver=<optimized out>)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:237
#8  QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, 
    data=0x3980450) at kernel/qcoreapplication.cpp:1539
#9  0x00007ffff797bde8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, 
    event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1397
#10 0x00007ffff79d0a63 in postEventSourceDispatch (s=0x7fff400012d0) at kernel/qeventdispatcher_glib.cpp:279
#11 0x00007ffff3c3ec5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007ffff3c3ef48 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007ffff3c3effc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007ffff79d0e57 in QEventDispatcherGlib::processEvents (this=0x7fff400008c0, flags=...)
    at kernel/qeventdispatcher_glib.cpp:426
#15 0x00007ffff7977042 in QEventLoop::exec (this=this@entry=0x7fff55f3bdd0, flags=..., flags@entry=...)
    at kernel/qeventloop.cpp:212
#16 0x00007ffff773b4a4 in QThread::exec (this=this@entry=0x3984d80) at thread/qthread.cpp:511
#17 0x00007ffff649a346 in QQuickPixmapReader::run (this=0x3984d80) at util/qquickpixmapcache.cpp:688
#18 0x00007ffff77402ee in QThreadPrivate::start (arg=0x3984d80) at thread/qthread_unix.cpp:345
#19 0x00007ffff4ab90a5 in start_thread (arg=0x7fff55f3c700) at pthread_create.c:309
#20 0x00007ffff4dc984d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

It seems the issue is with the custom FaviconImageProvider class when a
request for a favicon is issued and almost instantly cancelled.

** Changed in: webbrowser-app
   Importance: Undecided => Critical

** Changed in: webbrowser-app
       Status: New => Confirmed

** Changed in: webbrowser-app
     Assignee: (unassigned) => Olivier Tilloy (osomon)

** Also affects: webbrowser-app (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: webbrowser-app (Ubuntu)
       Status: New => Confirmed

** Also affects: webbrowser-app (Ubuntu RTM)
   Importance: Undecided
       Status: New

** Changed in: webbrowser-app (Ubuntu RTM)
       Status: New => Confirmed

** Changed in: webbrowser-app (Ubuntu)
     Assignee: (unassigned) => Olivier Tilloy (osomon)

** Changed in: webbrowser-app (Ubuntu RTM)
     Assignee: (unassigned) => Olivier Tilloy (osomon)

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to webbrowser-app in Ubuntu.
https://bugs.launchpad.net/bugs/1395748

Title:
  Crash going back twice while loading a page

Status in Web Browser App:
  Confirmed
Status in “webbrowser-app” package in Ubuntu:
  Confirmed
Status in “webbrowser-app” package in Ubuntu RTM:
  Confirmed

Bug description:
  Test case.
  - Go to start.ubuntu.com
  - After it loads, go to slashdot.org
  - After it loads, go to linux.com
  - While it is loading, tap to back button twice to go back to start.ubuntu.com

  Expected result.
  - Browser displays start.ubuntu.com

  Actual result.
  - Crash.

  current build number: 118
  device name: krillin
  channel: ubuntu-touch/ubuntu-rtm/14.09.es-proposed

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