465077 2023-01-31 09:43:02 +0000 QtWidgets-based apps crash in QXcbBackingStoreImage::flushPixmap when connecting/disconnecting external screen 2023-10-04 10:34:38 +0000 1 1 8 I don't know kde general unspecified openSUSE Linux RESOLVED DUPLICATE 473602 https://bugreports.qt.io/browse/QTBUG-109226 drkonqi NOR crash --- 0 katonag unassigned-bugs-null katonag krusader-bugs-null nate nicolas.fella o.malek.cz 0 oldest_to_newest 2203563 0 katonag 2023-01-31 09:43:02 +0000 Application: krusader (2.8.0 "A New Day") Qt Version: 5.15.8 Frameworks Version: 5.102.0 Operating System: Linux 6.1.8-1-default x86_64 Windowing System: X11 Distribution: "openSUSE Tumbleweed" DrKonqi: 5.26.90 [KCrashBackend] -- Information about the crash: When I connect or disconnect an external screen via a USB-C hub to my laptop put to sleep and wake it up, Krusader crashes. The crash happens in about 70-80% of connection changes. As I remember it also happened when the laptop was not sleeping. The crash can be reproduced every time. -- Backtrace: Application: Krusader (krusader), signal: Segmentation fault [KCrash Handler] #4 0x00007ff6d6b7aa0d in __memmove_evex_unaligned_erms () from /lib64/libc.so.6 #5 0x00007ff6d30ed3ba in memmove (__len=262112, __src=0x7ff2119fe810, __dest=<optimized out>) at /usr/include/bits/string_fortified.h:36 #6 copy_unswapped (rect=<synthetic pointer>..., img=warning: RTTI symbol for class 'QImage' is not a type ..., dstBytesPerLine=262112, dst=<optimized out>) at qxcbbackingstore.cpp:547 #7 native_sub_image (swap=false, rect=<synthetic pointer>..., src=warning: RTTI symbol for class 'QImage' is not a type ..., dstStride=262112, buffer=0x556c0a822500) at qxcbbackingstore.cpp:590 #8 QXcbBackingStoreImage::flushPixmap (this=0x556c0a822480, region=..., fullRegion=<optimized out>) at qxcbbackingstore.cpp:669 #9 0x00007ff6d30ed9b9 in QXcbBackingStoreImage::flushPixmap (fullRegion=false, region=..., this=0x556c0a822480) at qxcbbackingstore.cpp:627 #10 QXcbBackingStoreImage::put (this=0x556c0a822480, dst=96469013, region=..., offset=...) at qxcbbackingstore.cpp:741 #11 0x00007ff6d30ee2f9 in QXcbBackingStore::flush (this=this@entry=0x7ff6c4009830, window=window@entry=0x556c0ab0e8f0, region=..., offset=...) at /usr/src/debug/qtbase-everywhere-src-5.15.8+kde160/src/plugins/platforms/xcb/qxcbwindow.h:120 #12 0x00007ff6d794d462 in QBackingStore::flush (this=this@entry=0x556c0a972960, region=..., window=0x556c0ab0e8f0, offset=...) at painting/qbackingstore.cpp:252 #13 0x00007ff6d7fb2a7f in QWidgetRepaintManager::flush (this=this@entry=0x556c0a7eba00, widget=0x556c0a7b4630, region=..., widgetTextures=<optimized out>) at kernel/qwidgetrepaintmanager.cpp:1198 #14 0x00007ff6d7fb4609 in QWidgetRepaintManager::flush (this=0x556c0a7eba00) at kernel/qwidgetrepaintmanager.cpp:1096 #15 0x00007ff6d7fb6688 in QWidgetRepaintManager::paintAndFlush (this=0x556c0a7eba00) at kernel/qwidgetrepaintmanager.cpp:1028 #16 0x00007ff6d7fff3e1 in QWidgetWindow::handleResizeEvent (this=0x556c0ab0e8f0, event=0x7ffe1bab5990) at kernel/qwidgetwindow.cpp:841 #17 0x00007ff6d800334b in QWidgetWindow::event (this=0x556c0ab0e8f0, event=0x7ffe1bab5990) at kernel/qwidgetwindow.cpp:322 #18 0x00007ff6d7fa544e in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x556c0ab0e8f0, e=0x7ffe1bab5990) at kernel/qapplication.cpp:3640 #19 0x00007ff6d72dc138 in QCoreApplication::notifyInternal2 (receiver=0x556c0ab0e8f0, event=0x7ffe1bab5990) at kernel/qcoreapplication.cpp:1064 #20 0x00007ff6d7777ccc in QGuiApplicationPrivate::processGeometryChangeEvent (e=<optimized out>) at kernel/qguiapplication.cpp:2610 #21 0x00007ff6d774f26c in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1169 #22 0x00007ff6d30f814a in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105 #23 0x00007ff6d5c6ea90 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #24 0x00007ff6d5c6ee48 in ?? () from /lib64/libglib-2.0.so.0 #25 0x00007ff6d5c6eedc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #26 0x00007ff6d7333b66 in QEventDispatcherGlib::processEvents (this=0x556c0a59ab10, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #27 0x00007ff6d72dabab in QEventLoop::exec (this=this@entry=0x7ffe1bab5c10, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #28 0x00007ff6d72e2d16 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #29 0x00007ff6d776ed3c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1870 #30 0x00007ff6d7fa53c5 in QApplication::exec () at kernel/qapplication.cpp:2832 #31 0x0000556c09d467d3 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/krusader-2.8.0/app/main.cpp:307 [Inferior 1 (process 3896) detached] Reported using DrKonqi 2206248 1 156084 katonag 2023-02-08 19:16:21 +0000 Created attachment 156084 New crash information added by DrKonqi krusader (2.8.0 "A New Day") using Qt 5.15.8 Krusader crash when connecting external screen via usb-c dock -- Backtrace (Reduced): #5 0x00007efe206373ba in memmove (__len=262112, __src=0x7ef95d9fe810, __dest=<optimized out>) at /usr/include/bits/string_fortified.h:36 #8 QXcbBackingStoreImage::flushPixmap (this=0x55ea709d3e60, region=..., fullRegion=<optimized out>) at qxcbbackingstore.cpp:669 #9 0x00007efe206379b9 in QXcbBackingStoreImage::flushPixmap (fullRegion=false, region=..., this=0x55ea709d3e60) at qxcbbackingstore.cpp:627 #10 QXcbBackingStoreImage::put (this=0x55ea709d3e60, dst=79691797, region=..., offset=...) at qxcbbackingstore.cpp:741 #11 0x00007efe206382f9 in QXcbBackingStore::flush (this=this@entry=0x7efe10009c60, window=window@entry=0x55ea70836e30, region=..., offset=...) at /usr/src/debug/qtbase-everywhere-src-5.15.8+kde160/src/plugins/platforms/xcb/qxcbwindow.h:120 2227497 2 nate 2023-05-02 18:03:32 +0000 *** Bug 465146 has been marked as a duplicate of this bug. *** 2227498 3 nate 2023-05-02 18:03:40 +0000 Almost certainly a Qt bug. 2227500 4 nate 2023-05-02 18:03:49 +0000 *** Bug 467419 has been marked as a duplicate of this bug. *** 2227502 5 nate 2023-05-02 18:03:52 +0000 *** Bug 469264 has been marked as a duplicate of this bug. *** 2227506 6 katonag 2023-05-02 18:09:18 +0000 Thank you for checking. Should I file a Qt bug report, or is it better, if you or someone similarly competent file the bug based on the crash reports? If needed, I can produce such crash reports several times a week. Unfortunately. 2227676 7 katonag 2023-05-03 09:44:13 +0000 I think this Qt bug is the same: https://bugreports.qt.io/browse/QTBUG-109226 2228135 8 nate 2023-05-05 06:24:26 +0000 Looks like it, yeah. I see that it's already fixed in more recent versions of Qt. 2256874 9 nicolas.fella 2023-10-04 10:34:38 +0000 *** This bug has been marked as a duplicate of bug 473602 *** 156084 2023-02-08 19:16:21 +0000 2023-02-08 19:16:21 +0000 New crash information added by DrKonqi krusader-20230208-200825.kcrash text/plain 4211 katonag QXBwbGljYXRpb246IGtydXNhZGVyICgyLjguMCAiQSBOZXcgRGF5IikKClF0IFZlcnNpb246IDUu MTUuOApGcmFtZXdvcmtzIFZlcnNpb246IDUuMTAyLjAKT3BlcmF0aW5nIFN5c3RlbTogTGludXgg Ni4xLjgtMS1kZWZhdWx0IHg4Nl82NApXaW5kb3dpbmcgU3lzdGVtOiBYMTEKRGlzdHJpYnV0aW9u OiAib3BlblNVU0UgVHVtYmxld2VlZCIKRHJLb25xaTogNS4yNi45MCBbS0NyYXNoQmFja2VuZF0K Ci0tIEluZm9ybWF0aW9uIGFib3V0IHRoZSBjcmFzaDoKS3J1c2FkZXIgY3Jhc2ggd2hlbiBjb25u ZWN0aW5nIGV4dGVybmFsIHNjcmVlbiB2aWEgdXNiLWMgZG9jawoKVGhlIGNyYXNoIGNhbiBiZSBy ZXByb2R1Y2VkIHNvbWV0aW1lcy4KCi0tIEJhY2t0cmFjZToKQXBwbGljYXRpb246IEtydXNhZGVy IChrcnVzYWRlciksIHNpZ25hbDogU2VnbWVudGF0aW9uIGZhdWx0CgpbS0NyYXNoIEhhbmRsZXJd 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