Bug 362602 - Kubuntu crashes on KMenu - Leave - New Session
Summary: Kubuntu crashes on KMenu - Leave - New Session
Status: RESOLVED DUPLICATE of bug 355736
Alias: None
Product: korgac
Classification: Unmaintained
Component: general (show other bugs)
Version: unspecified
Platform: Ubuntu Linux
: NOR crash
Target Milestone: ---
Assignee: kdepim bugs
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2016-05-02 19:47 UTC by Daniel
Modified: 2016-09-06 19:20 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:

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Description Daniel 2016-05-02 19:47:11 UTC 
Application: korgac (5.1.3)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-22-generic x86_64
Distribution: Ubuntu 16.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I was trying to change the session using KMenu - Leave - New Session, tried it three times, because...
- Unusual behavior I noticed:
...after hitting it the first time, Kubuntu crashes totally (no virtual tty, no reisub worked, had to hard reset).

The crash can be reproduced every time.

-- Backtrace:
Application: KOrganizer Reminder Daemon (korgac), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f75ef985940 (LWP 5697))]

Thread 4 (Thread 0x7f75e4608700 (LWP 5710)):
#0  0x00007f7604c3e9cd in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f75fe0c86c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f75fe084e04 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f75fe0852c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f75fe08542c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7605785a9b in QEventDispatcherGlib::processEvents (this=0x7f75d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f760572cdea in QEventLoop::exec (this=this@entry=0x7f75e4607c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f76055498a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f760554e84e in QThreadPrivate::start (arg=0xa76290) at thread/qthread_unix.cpp:331
#9  0x00007f75fe5a66fa in start_thread (arg=0x7f75e4608700) at pthread_create.c:333
#10 0x00007f7604c4eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f75e3e07700 (LWP 5711)):
#0  0x00007f75fe0c9a49 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f75fe0848b9 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f75fe08524b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f75fe08542c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7605785a9b in QEventDispatcherGlib::processEvents (this=0x7f75dc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f760572cdea in QEventLoop::exec (this=this@entry=0x7f75e3e06c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f76055498a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f760554e84e in QThreadPrivate::start (arg=0xa4cd70) at thread/qthread_unix.cpp:331
#8  0x00007f75fe5a66fa in start_thread (arg=0x7f75e3e07700) at pthread_create.c:333
#9  0x00007f7604c4eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f75e2dcf700 (LWP 5893)):
#0  0x00007f75fe08494a in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f75fe08524b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f75fe08542c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7605785a9b in QEventDispatcherGlib::processEvents (this=0x7f75d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f760572cdea in QEventLoop::exec (this=this@entry=0x7f75e2dcec80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f76055498a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f760554e84e in QThreadPrivate::start (arg=0xdcd750) at thread/qthread_unix.cpp:331
#7  0x00007f75fe5a66fa in start_thread (arg=0x7f75e2dcf700) at pthread_create.c:333
#8  0x00007f7604c4eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f75ef985940 (LWP 5697)):
[KCrash Handler]
#6  0x00007f76092d8c90 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5CalendarCore.so.5
#7  0x00007f76092d4894 in KCalCore::Calendar::setupRelations(QSharedPointer<KCalCore::Incidence> const&) () from /usr/lib/x86_64-linux-gnu/libKF5CalendarCore.so.5
#8  0x00007f7609312bac in KCalCore::MemoryCalendar::addIncidence(QSharedPointer<KCalCore::Incidence> const&) () from /usr/lib/x86_64-linux-gnu/libKF5CalendarCore.so.5
#9  0x00007f7609cace9e in ?? () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCalendar.so.5
#10 0x00007f7609cba6f8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCalendar.so.5
#11 0x00007f7609cbba22 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCalendar.so.5
#12 0x00007f760575de4f in QtPrivate::QSlotObjectBase::call (a=0x7ffcff8752a0, r=0xaf5ef0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#13 QMetaObject::activate (sender=sender@entry=0xb3e650, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffcff8752a0) at kernel/qobject.cpp:3698
#14 0x00007f760575e7d7 in QMetaObject::activate (sender=sender@entry=0xb3e650, m=m@entry=0x7f7605977ec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffcff8752a0) at kernel/qobject.cpp:3578
#15 0x00007f76057da324 in QAbstractItemModel::rowsInserted (this=this@entry=0xb3e650, _t1=..., _t2=309, _t3=331) at .moc/moc_qabstractitemmodel.cpp:583
#16 0x00007f76056d7776 in QAbstractItemModel::endInsertRows (this=this@entry=0xb3e650) at itemmodels/qabstractitemmodel.cpp:2619
#17 0x00007f76056fa6eb in QSortFilterProxyModelPrivate::insert_source_items (this=this@entry=0xb58690, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., emit_signal=emit_signal@entry=true, orient=Qt::Vertical) at itemmodels/qsortfilterproxymodel.cpp:714
#18 0x00007f76056fcf44 in QSortFilterProxyModelPrivate::source_items_inserted (orient=Qt::Vertical, end=<optimized out>, start=<optimized out>, source_parent=..., this=0xb58690) at itemmodels/qsortfilterproxymodel.cpp:825
#19 QSortFilterProxyModelPrivate::_q_sourceRowsInserted (this=0xb58690, source_parent=..., start=<optimized out>, end=<optimized out>) at itemmodels/qsortfilterproxymodel.cpp:1381
#20 0x00007f7605700929 in QSortFilterProxyModel::qt_static_metacall (_o=_o@entry=0xb3e650, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=12, _a=_a@entry=0x7ffcff875620) at .moc/moc_qsortfilterproxymodel.cpp:209
#21 0x00007f760575dfca in QMetaObject::activate (sender=sender@entry=0xb37f50, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffcff875620) at kernel/qobject.cpp:3713
#22 0x00007f760575e7d7 in QMetaObject::activate (sender=sender@entry=0xb37f50, m=m@entry=0x7f7605977ec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffcff875620) at kernel/qobject.cpp:3578
#23 0x00007f76057da324 in QAbstractItemModel::rowsInserted (this=this@entry=0xb37f50, _t1=..., _t2=309, _t3=331) at .moc/moc_qabstractitemmodel.cpp:583
#24 0x00007f76056d7776 in QAbstractItemModel::endInsertRows (this=this@entry=0xb37f50) at itemmodels/qabstractitemmodel.cpp:2619
#25 0x00007f76056fa6eb in QSortFilterProxyModelPrivate::insert_source_items (this=this@entry=0xb39900, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., emit_signal=emit_signal@entry=true, orient=Qt::Vertical) at itemmodels/qsortfilterproxymodel.cpp:714
#26 0x00007f76056fcf44 in QSortFilterProxyModelPrivate::source_items_inserted (orient=Qt::Vertical, end=<optimized out>, start=<optimized out>, source_parent=..., this=0xb39900) at itemmodels/qsortfilterproxymodel.cpp:825
#27 QSortFilterProxyModelPrivate::_q_sourceRowsInserted (this=0xb39900, source_parent=..., start=<optimized out>, end=<optimized out>) at itemmodels/qsortfilterproxymodel.cpp:1381
#28 0x00007f7605700929 in QSortFilterProxyModel::qt_static_metacall (_o=_o@entry=0xb37f50, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=12, _a=_a@entry=0x7ffcff8759a0) at .moc/moc_qsortfilterproxymodel.cpp:209
#29 0x00007f760575dfca in QMetaObject::activate (sender=sender@entry=0xb37f30, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffcff8759a0) at kernel/qobject.cpp:3713
#30 0x00007f760575e7d7 in QMetaObject::activate (sender=sender@entry=0xb37f30, m=m@entry=0x7f7605977ec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffcff8759a0) at kernel/qobject.cpp:3578
#31 0x00007f76057da324 in QAbstractItemModel::rowsInserted (this=this@entry=0xb37f30, _t1=..., _t2=309, _t3=331) at .moc/moc_qabstractitemmodel.cpp:583
#32 0x00007f76056d7776 in QAbstractItemModel::endInsertRows (this=this@entry=0xb37f30) at itemmodels/qabstractitemmodel.cpp:2619
#33 0x00007f76056fa6eb in QSortFilterProxyModelPrivate::insert_source_items (this=this@entry=0xb38690, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., emit_signal=emit_signal@entry=true, orient=Qt::Vertical) at itemmodels/qsortfilterproxymodel.cpp:714
#34 0x00007f76056fcf44 in QSortFilterProxyModelPrivate::source_items_inserted (orient=Qt::Vertical, end=<optimized out>, start=<optimized out>, source_parent=..., this=0xb38690) at itemmodels/qsortfilterproxymodel.cpp:825
#35 QSortFilterProxyModelPrivate::_q_sourceRowsInserted (this=0xb38690, source_parent=..., start=<optimized out>, end=<optimized out>) at itemmodels/qsortfilterproxymodel.cpp:1381
#36 0x00007f7605700929 in QSortFilterProxyModel::qt_static_metacall (_o=_o@entry=0xb37f30, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=12, _a=_a@entry=0x7ffcff875d20) at .moc/moc_qsortfilterproxymodel.cpp:209
#37 0x00007f760575dfca in QMetaObject::activate (sender=sender@entry=0xb364c0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffcff875d20) at kernel/qobject.cpp:3713
#38 0x00007f760575e7d7 in QMetaObject::activate (sender=sender@entry=0xb364c0, m=m@entry=0x7f7605977ec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffcff875d20) at kernel/qobject.cpp:3578
#39 0x00007f76057da324 in QAbstractItemModel::rowsInserted (this=this@entry=0xb364c0, _t1=..., _t2=309, _t3=331) at .moc/moc_qabstractitemmodel.cpp:583
#40 0x00007f76056d7776 in QAbstractItemModel::endInsertRows (this=this@entry=0xb364c0) at itemmodels/qabstractitemmodel.cpp:2619
#41 0x00007f7602976ddc in KSelectionProxyModelPrivate::insertSelectionIntoProxy (this=this@entry=0xb37b20, selection=...) at ../../src/kselectionproxymodel.cpp:2084
#42 0x00007f76029772d4 in KSelectionProxyModelPrivate::selectionChanged (this=0xb37b20, _selected=..., _deselected=...) at ../../src/kselectionproxymodel.cpp:1991
#43 0x00007f76029794d1 in KSelectionProxyModel::qt_static_metacall (_o=_o@entry=0xb364c0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=17, _a=_a@entry=0x7ffcff876290) at ./moc_kselectionproxymodel.cpp:196
#44 0x00007f760575dfca in QMetaObject::activate (sender=sender@entry=0xb36180, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffcff876290) at kernel/qobject.cpp:3713
#45 0x00007f760575e7d7 in QMetaObject::activate (sender=sender@entry=0xb36180, m=m@entry=0x7f7605975160 <QItemSelectionModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffcff876290) at kernel/qobject.cpp:3578
#46 0x00007f76056dffc7 in QItemSelectionModel::selectionChanged (this=this@entry=0xb36180, _t1=..., _t2=...) at .moc/moc_qitemselectionmodel.cpp:473
#47 0x00007f76056e43bc in QItemSelectionModel::emitSelectionChanged (this=this@entry=0xb36180, newSelection=..., oldSelection=...) at itemmodels/qitemselectionmodel.cpp:1857
#48 0x00007f76056e68a4 in QItemSelectionModel::select (this=0xb36180, selection=..., command=...) at itemmodels/qitemselectionmodel.cpp:1288
#49 0x00007f760295c6c2 in KCheckableProxyModel::select (this=this@entry=0xa50d00, selection=..., command=..., command@entry=...) at ../../src/kcheckableproxymodel.cpp:132
#50 0x00007f760295cd2f in KCheckableProxyModel::setData (this=0xa50d00, index=..., value=..., role=<optimized out>) at ../../src/kcheckableproxymodel.cpp:105
#51 0x0000000000417c4d in checkAllItems(KCheckableProxyModel*, QModelIndex const&) ()
#52 0x0000000000417c70 in checkAllItems(KCheckableProxyModel*, QModelIndex const&) ()
#53 0x000000000041a38f in KOAlarmClient::deferredInit() ()
#54 0x00007f760575de4f in QtPrivate::QSlotObjectBase::call (a=0x7ffcff876820, r=0x7ffcff8771a0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#55 QMetaObject::activate (sender=0xa52870, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3698
#56 0x00007f76077bf0d2 in Akonadi::EntityTreeModel::collectionPopulated(long long) () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#57 0x00007f76077cbcf5 in Akonadi::EntityTreeModelPrivate::itemFetchJobDone(KJob*) () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#58 0x00007f760575dfca in QMetaObject::activate (sender=sender@entry=0xc25ec0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffcff876a30) at kernel/qobject.cpp:3713
#59 0x00007f760575e7d7 in QMetaObject::activate (sender=sender@entry=0xc25ec0, m=m@entry=0x7f7606a31520 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffcff876a30) at kernel/qobject.cpp:3578
#60 0x00007f76067e06c2 in KJob::result (this=this@entry=0xc25ec0, _t1=_t1@entry=0xc25ec0) at ./moc_kjob.cpp:555
#61 0x00007f76067e1281 in KJob::finishJob (this=0xc25ec0, emitResult=<optimized out>) at ../../../src/lib/jobs/kjob.cpp:109
#62 0x00007f760778a4e3 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#63 0x00007f760575eea1 in QObject::event (this=0xc25ec0, e=<optimized out>) at kernel/qobject.cpp:1239
#64 0x00007f760602205c in QApplicationPrivate::notify_helper (this=this@entry=0x9e03b0, receiver=receiver@entry=0xc25ec0, e=e@entry=0xd7fbb0) at kernel/qapplication.cpp:3716
#65 0x00007f7606027516 in QApplication::notify (this=0x7ffcff877170, receiver=0xc25ec0, e=0xd7fbb0) at kernel/qapplication.cpp:3499
#66 0x00007f760572f62b in QCoreApplication::notifyInternal (this=0x7ffcff877170, receiver=0xc25ec0, event=event@entry=0xd7fbb0) at kernel/qcoreapplication.cpp:965
#67 0x00007f7605731a26 in QCoreApplication::sendEvent (event=0xd7fbb0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#68 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x9be7f0) at kernel/qcoreapplication.cpp:1593
#69 0x00007f7605731f08 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#70 0x00007f7605785673 in postEventSourceDispatch (s=0xa10ee0) at kernel/qeventdispatcher_glib.cpp:271
#71 0x00007f75fe085127 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#72 0x00007f75fe085380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#73 0x00007f75fe08542c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#74 0x00007f7605785a7f in QEventDispatcherGlib::processEvents (this=0xa173e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#75 0x00007f760572cdea in QEventLoop::exec (this=this@entry=0x7ffcff876ff0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#76 0x00007f7605734e8c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#77 0x00000000004177d5 in main ()

Possible duplicates by query: bug 362012, bug 362010.

Reported using DrKonqi
Comment 1 Daniel 2016-05-02 19:58:54 UTC 
Additional Info from kern.log:

May  2 21:33:00 x220 kernel: [ 7514.057372] ------------[ cut here ]------------
May  2 21:33:00 x220 kernel: [ 7514.057422] WARNING: CPU: 3 PID: 1853 at /build/linux-yplzxd/linux-4.4.0/drivers/gpu/drm/drm_irq.c:1326 drm_wait_one_vblank+0x1b5/0x1c0 [drm]()
May  2 21:33:00 x220 kernel: [ 7514.057424] vblank wait timed out on crtc 0
May  2 21:33:00 x220 kernel: [ 7514.057494] Modules linked in: pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) drbg ansi_cprng ctr ccm binfmt_misc nls_iso8859_1 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common videodev media intel_rapl x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul arc4 iwldvm mac80211 aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic input_leds joydev iwlwifi serio_raw snd_seq_midi snd_seq_midi_event cfg80211 snd_hda_intel thinkpad_acpi snd_hda_codec nvram snd_hda_core snd_hwdep snd_rawmidi snd_pcm mei_me mei snd_seq lpc_ich shpchp snd_seq_device snd_timer snd soundcore mac_hid coretemp parport_pc ppdev lp parport autofs4 i915 i2c_algo_bit psmouse drm_kms_helper syscopyarea sysfillrect sysimgblt ahci e1000e fb_sys_fops sdhci_pci libahci drm sdhci ptp pps_core wmi fjes video
May  2 21:33:00 x220 kernel: [ 7514.057515] CPU: 3 PID: 1853 Comm: Xorg Tainted: G           OE   4.4.0-22-generic #38-Ubuntu
May  2 21:33:00 x220 kernel: [ 7514.057517] Hardware name: LENOVO 4293AF4/4293AF4, BIOS 8DET56WW (1.26 ) 12/01/2011
May  2 21:33:00 x220 kernel: [ 7514.057523]  0000000000000286 0000000018b28fdd ffff8802114ff990 ffffffff813e9c73
May  2 21:33:00 x220 kernel: [ 7514.057527]  ffff8802114ff9d8 ffffffffc0081b10 ffff8802114ff9c8 ffffffff81080fb2
May  2 21:33:00 x220 kernel: [ 7514.057530]  ffff88021036e800 0000000000000000 0000000000000000 0000000000066e17
May  2 21:33:00 x220 kernel: [ 7514.057531] Call Trace:
May  2 21:33:00 x220 kernel: [ 7514.057543]  [<ffffffff813e9c73>] dump_stack+0x63/0x90
May  2 21:33:00 x220 kernel: [ 7514.057551]  [<ffffffff81080fb2>] warn_slowpath_common+0x82/0xc0
May  2 21:33:00 x220 kernel: [ 7514.057556]  [<ffffffff8108104c>] warn_slowpath_fmt+0x5c/0x80
May  2 21:33:00 x220 kernel: [ 7514.057564]  [<ffffffff810c35d5>] ? finish_wait+0x55/0x70
May  2 21:33:00 x220 kernel: [ 7514.057593]  [<ffffffffc00522a5>] drm_wait_one_vblank+0x1b5/0x1c0 [drm]
May  2 21:33:00 x220 kernel: [ 7514.057600]  [<ffffffff810c3a70>] ? wake_atomic_t_function+0x60/0x60
May  2 21:33:00 x220 kernel: [ 7514.057674]  [<ffffffffc022db4a>] intel_atomic_commit+0x43a/0x6f0 [i915]
May  2 21:33:00 x220 kernel: [ 7514.057713]  [<ffffffffc006b5b7>] ? drm_atomic_add_affected_connectors+0x27/0xf0 [drm]
May  2 21:33:00 x220 kernel: [ 7514.057746]  [<ffffffffc006bc47>] drm_atomic_commit+0x37/0x60 [drm]
May  2 21:33:00 x220 kernel: [ 7514.057766]  [<ffffffffc016466e>] drm_fb_helper_pan_display+0x1de/0x240 [drm_kms_helper]
May  2 21:33:00 x220 kernel: [ 7514.057840]  [<ffffffffc02428fa>] intel_fbdev_pan_display+0x1a/0x60 [i915]
May  2 21:33:00 x220 kernel: [ 7514.057849]  [<ffffffff8146caff>] fb_pan_display+0xcf/0x160
May  2 21:33:00 x220 kernel: [ 7514.057856]  [<ffffffff81466c90>] bit_update_start+0x20/0x50
May  2 21:33:00 x220 kernel: [ 7514.057869]  [<ffffffff81463d70>] fbcon_switch+0x3b0/0x640
May  2 21:33:00 x220 kernel: [ 7514.057874]  [<ffffffff814f8e8c>] redraw_screen+0x1ac/0x2a0
May  2 21:33:00 x220 kernel: [ 7514.057878]  [<ffffffff816fec18>] ? sock_sendmsg+0x38/0x50
May  2 21:33:00 x220 kernel: [ 7514.057881]  [<ffffffff814ef3ff>] complete_change_console+0x3f/0xe0
May  2 21:33:00 x220 kernel: [ 7514.057883]  [<ffffffff814efbb0>] vt_ioctl+0x710/0x12f0
May  2 21:33:00 x220 kernel: [ 7514.057917]  [<ffffffffc0050749>] ? drm_ioctl+0x189/0x540 [drm]
May  2 21:33:00 x220 kernel: [ 7514.057923]  [<ffffffff814e2edf>] tty_ioctl+0x35f/0xc40
May  2 21:33:00 x220 kernel: [ 7514.057931]  [<ffffffff811bf99d>] ? handle_mm_fault+0xcdd/0x1820
May  2 21:33:00 x220 kernel: [ 7514.057936]  [<ffffffff8122028f>] do_vfs_ioctl+0x29f/0x490
May  2 21:33:00 x220 kernel: [ 7514.057942]  [<ffffffff8106b554>] ? __do_page_fault+0x1b4/0x400
May  2 21:33:00 x220 kernel: [ 7514.057945]  [<ffffffff812204f9>] SyS_ioctl+0x79/0x90
May  2 21:33:00 x220 kernel: [ 7514.057953]  [<ffffffff818252f2>] entry_SYSCALL_64_fastpath+0x16/0x71
May  2 21:33:00 x220 kernel: [ 7514.057969] ---[ end trace 2b77d28725f2d89e ]---
Comment 2 Denis Kurz 2016-09-06 19:20:11 UTC 

*** This bug has been marked as a duplicate of bug 355736 ***