segv in indi gui

Hy Murveit murveit at gmail.com
Fri Sep 10 02:44:11 BST 2021 

Jasem,
FWIW, I was able to get it to crash several times by
connecting/disconnecting.
Ping me if you want to video
Hy

On Thu, Sep 9, 2021 at 6:32 PM Hy Murveit <murveit at gmail.com> wrote:

> Using the latest HEAD, 2e36eb8322d8f8490c0419f64f86e1152127fb94 including
> "check for nullptr..." I got this segv
> by starting ekos, and disconnecting right away (repeated 3 times), on my
> RPi4 running ubuntu 21.04.
>
> Hy
>
> (gdb) bt
> #0  0x0000aaaaab4a1508 in INDI::BaseDevice::getDeviceName() const ()
> #1  0x0000aaaaaae795fc in operator() (__closure=0xffffb40bef30)
>     at /home/hy/Projects/kstars/kstars/indi/clientmanager.cpp:111
> #2  QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>,
> void, ClientManager::newProperty(INDI::Property*)::<lambda()> >::call
> (arg=<optimized out>, f=...)
>     at /usr/include/aarch64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:146
> #3
>  QtPrivate::Functor<ClientManager::newProperty(INDI::Property*)::<lambda()>,
> 0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=...)
>     at /usr/include/aarch64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:256
> #4
>  QtPrivate::QFunctorSlotObject<ClientManager::newProperty(INDI::Property*)::<lambda()>,
> 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *,
> QObject *, void **, bool *)
>     (which=1, this_=0xffffb40bef20, r=<optimized out>, a=<optimized out>,
> ret=<optimized out>) at
> /usr/include/aarch64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:443
> #5  0x0000fffff52ef6d4 in QObject::event(QEvent*) ()
>     at /lib/aarch64-linux-gnu/libQt5Core.so.5
> #6  0x0000fffff5d369b0 in QApplicationPrivate::notify_helper(QObject*,
> QEvent*) ()
>     at /lib/aarch64-linux-gnu/libQt5Widgets.so.5
> #7  0x0000fffff52bdb60 in QCoreApplication::notifyInternal2(QObject*,
> QEvent*) ()
>     at /lib/aarch64-linux-gnu/libQt5Core.so.5
> #8  0x0000fffff52c0f48 in
> QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
> at /lib/aarch64-linux-gnu/libQt5Core.so.5
> #9  0x0000fffff531e9e8 in  () at /lib/aarch64-linux-gnu/libQt5Core.so.5
> #10 0x0000fffff4257578 in g_main_context_dispatch ()
>     at /lib/aarch64-linux-gnu/libglib-2.0.so.0
> #11 0x0000fffff42ad188 in  () at /lib/aarch64-linux-gnu/libglib-2.0.so.0
> #12 0x0000fffff4254ac4 in g_main_context_iteration ()
>     at /lib/aarch64-linux-gnu/libglib-2.0.so.0
> #13 0x0000fffff531de94 in
> QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
> () at /lib/aarch64-linux-gnu/libQt5Core.so.5
> #14 0x0000fffff52bc04c in
> QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
>     at /lib/aarch64-linux-gnu/libQt5Core.so.5
> #15 0x0000fffff52c514c in QCoreApplication::exec() ()
>     at /lib/aarch64-linux-gnu/libQt5Core.so.5
> #16 0x0000aaaaaab927cc in main(int, char**) (argc=<optimized out>,
> argv=<optimized out>)
>     at /home/hy/Projects/kstars/kstars/main.cpp:393
> (gdb)
>
>
>
> On Thu, Sep 9, 2021 at 10:48 AM Hy Murveit <murveit at gmail.com> wrote:
>
>> I just got another segv, and it happened when I clicked "Disconnect"
>> trying to disconnect indi.
>> Here's the backtrace:
>>
>> (gdb) bt
>> #0  0x0000aaaaaae8af88 in INDI_E::syncSwitch() (this=0xaaaab3f2ebc0) at
>> /home/hy/Projects/kstars/kstars/indi/indielement.cpp:209
>> #1  0x0000aaaaaae84968 in
>> INDI_D::updateSwitchGUI(_ISwitchVectorProperty*) (this=<optimized out>,
>> svp=<optimized out>)
>>     at /home/hy/Projects/kstars/kstars/indi/indidevice.cpp:188
>> #2  0x0000fffff52ef6d4 in QObject::event(QEvent*) () at
>> /lib/aarch64-linux-gnu/libQt5Core.so.5
>> #3  0x0000fffff5d369b0 in QApplicationPrivate::notify_helper(QObject*,
>> QEvent*) () at /lib/aarch64-linux-gnu/libQt5Widgets.so.5
>> #4  0x0000fffff52bdb60 in QCoreApplication::notifyInternal2(QObject*,
>> QEvent*) () at /lib/aarch64-linux-gnu/libQt5Core.so.5
>> #5  0x0000fffff52c0f48 in
>> QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
>>     at /lib/aarch64-linux-gnu/libQt5Core.so.5
>> #6  0x0000fffff531e9e8 in  () at /lib/aarch64-linux-gnu/libQt5Core.so.5
>> #7  0x0000fffff4257578 in g_main_context_dispatch () at
>> /lib/aarch64-linux-gnu/libglib-2.0.so.0
>> #8  0x0000fffff42ad188 in  () at /lib/aarch64-linux-gnu/libglib-2.0.so.0
>> #9  0x0000fffff4254ac4 in g_main_context_iteration () at
>> /lib/aarch64-linux-gnu/libglib-2.0.so.0
>> #10 0x0000fffff531de94 in
>> QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
>> ()
>>     at /lib/aarch64-linux-gnu/libQt5Core.so.5
>> #11 0x0000fffff52bc04c in
>> QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
>> /lib/aarch64-linux-gnu/libQt5Core.so.5
>> #12 0x0000fffff52c514c in QCoreApplication::exec() () at
>> /lib/aarch64-linux-gnu/libQt5Core.so.5
>> #13 0x0000aaaaaab927cc in main(int, char**) (argc=<optimized out>,
>> argv=<optimized out>)
>>     at /home/hy/Projects/kstars/kstars/main.cpp:393
>> (gdb)
>>
>> I was running from HEAD through and including "use modern
>> connect" a100fa1664e028460a348303365caf983e06eda3
>>
>> Hy
>>
>>
>> On Mon, Sep 6, 2021 at 10:45 PM Jasem Mutlaq <mutlaqja at ikarustech.com>
>> wrote:
>>
>>> Hello Hy,
>>>
>>> I think I submitted a refactor of the INDI Control Panel in KStars
>>> that should fix such crash-on-disconnection issues. This commit has
>>> the fix: 678c5e360c7651060c65133ed97b074c0b24bc40
>>>
>>> However, we must thoroughly test KStars now for stability issues.
>>> Robert reported crashes on the MacOS client with INDI, so this needs
>>> to be investigated. The due date for 3.5.5 was planned for September
>>> 6th (Yesterday) but I really think we should delay perhaps for a few
>>> days until we ensure stability issues are addressed. Hopefully more
>>> users would try the beta to report back. Keep using KStars with *real*
>>> equipment under real conditions to catch some of these elusive bugs.
>>>
>>> --
>>> Best Regards,
>>> Jasem Mutlaq
>>>
>>> On Tue, Sep 7, 2021 at 1:19 AM Hy Murveit <murveit at gmail.com> wrote:
>>> >
>>> > Thread 1 "kstars" received signal SIGSEGV, Segmentation fault.
>>> >
>>> > 0x0000aaaaaae88bb8 in INDI_E::syncSwitch (this=0xaaaab0179940)
>>> >     at /home/hy/Projects/kstars/kstars/indi/indielement.cpp:225
>>> > 225                if (sp->svp->p == IP_RO)
>>> > (gdb)
>>> > (gdb) bt
>>> > #0  0x0000aaaaaae88bb8 in INDI_E::syncSwitch() (this=0xaaaab0179940)
>>> >     at /home/hy/Projects/kstars/kstars/indi/indielement.cpp:225
>>> > #1  0x0000aaaaaae82448 in
>>> INDI_D::updateSwitchGUI(_ISwitchVectorProperty*)
>>> >     (this=<optimized out>, svp=<optimized out>)
>>> >     at /home/hy/Projects/kstars/kstars/indi/indidevice.cpp:186
>>> > #2  0x0000fffff52ef6d4 in QObject::event(QEvent*) ()
>>> >     at /lib/aarch64-linux-gnu/libQt5Core.so.5
>>> > #3  0x0000fffff5d369b0 in QApplicationPrivate::notify_helper(QObject*,
>>> QEvent*)
>>> >     () at /lib/aarch64-linux-gnu/libQt5Widgets.so.5
>>> > #4  0x0000fffff52bdb60 in QCoreApplication::notifyInternal2(QObject*,
>>> QEvent*)
>>> >     () at /lib/aarch64-linux-gnu/libQt5Core.so.5
>>> > #5  0x0000fffff52c0f48 in
>>> QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
>>> at /lib/aarch64-linux-gnu/libQt5Core.so.5
>>> > #6  0x0000fffff531e9e8 in  () at /lib/aarch64-linux-gnu/libQt5Core.so.5
>>> > #7  0x0000fffff4257578 in g_main_context_dispatch ()
>>> >     at /lib/aarch64-linux-gnu/libglib-2.0.so.0
>>> > #8  0x0000fffff42ad188 in  () at
>>> /lib/aarch64-linux-gnu/libglib-2.0.so.0
>>> > #9  0x0000fffff4254ac4 in g_main_context_iteration ()
>>> >     at /lib/aarch64-linux-gnu/libglib-2.0.so.0
>>> > #10 0x0000fffff531de94 in
>>> QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
>>> () at /lib/aarch64-linux-gnu/libQt5Core.so.5
>>> > #11 0x0000fffff52bc04c in
>>> QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
>>> /lib/aarch64-linux-gnu/libQt5Core.so.5
>>> > #12 0x0000fffff52c514c in QCoreApplication::exec() ()
>>> >     at /lib/aarch64-linux-gnu/libQt5Core.so.5
>>> > #13 0x0000aaaaaab917cc in main(int, char**)
>>> >     (argc=<optimized out>, argv=<optimized out>)
>>> >     at /home/hy/Projects/kstars/kstars/main.cpp:39
>>> >
>>> >
>>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/kstars-devel/attachments/20210909/d45a9440/attachment-0001.htm>

More information about the Kstars-devel mailing list