[kde] [Bug 499271] New: kde-open crashes every time in sm_performSaveYourself when nvidia driver is installed

Wed Jan 29 10:50:09 GMT 2025

https://bugs.kde.org/show_bug.cgi?id=499271

            Bug ID: 499271
           Summary: kde-open crashes every time in sm_performSaveYourself
                    when nvidia driver is installed
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: openSUSE
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: brunopitrus at hotmail.com
  Target Milestone: ---

SUMMARY
kde-open (and possibly other programs) crashes on systems with Nvidia GPUs
inside sm_performSaveYourself

STEPS TO REPRODUCE
1. Download a file in Falkon
2. Double click the file in download-manager

OBSERVED RESULT
The file opens

EXPECTED RESULT
kde-open produces a coredump

stack trace:

#0  0x00007f7adf15f6e4 in ?? () from /lib64/libnvidia-tls.so.550.144.03
#1  0x00007f7ad1a675fc in give_pwd_free (pwd=pwd at entry=0x7ffcc970a9a0) at
nss_compat/compat-pwd.c:106
#2  0x00007f7ad1a676a2 in internal_setpwent (ent=ent at entry=0x7ffcc970a980,
stayopen=stayopen at entry=0, needent=needent at entry=0) at
nss_compat/compat-pwd.c:234
#3  0x00007f7ad1a68f84 in _nss_compat_getpwuid_r (uid=<optimized out>,
pwd=<optimized out>, buffer=0x7ffcc970acd8 '\376' <repeats 200 times>...,
buflen=1024, errnop=<optimized out>) at nss_compat/compat-pwd.c:1067
#4  0x00007f7ae1552c91 in __getpwuid_r (uid=<optimized out>, resbuf=<optimized
out>, buffer=<optimized out>, buflen=1024, result=<optimized out>) at
../nss/getXXbyYY_r.c:273
#5  0x00007f7add15de9a in sm_performSaveYourself (sm=0x5642f340d8a0) at
/usr/src/debug/qtbase-everywhere-src-6.8.1/src/plugins/platforms/xcb/qxcbsessionmanager.cpp:177
#6  0x00007f7add15eab7 in sm_saveYourselfCallback (smcConn=<optimized out>,
clientData=<optimized out>, saveType=<optimized out>, shutdown=<optimized out>,
interactStyle=<optimized out>)
    at
/usr/src/debug/qtbase-everywhere-src-6.8.1/src/plugins/platforms/xcb/qxcbsessionmanager.cpp:149
#7  sm_saveYourselfCallback (smcConn=<optimized out>, clientData=<optimized
out>, saveType=<optimized out>, shutdown=<optimized out>,
interactStyle=<optimized out>)
    at
/usr/src/debug/qtbase-everywhere-src-6.8.1/src/plugins/platforms/xcb/qxcbsessionmanager.cpp:132
#8  0x00007f7add0578e3 in _SmcProcessMessage (iceConn=0x5642f344b9c0,
clientData=0x5642f2f6b1f0, opcode=<optimized out>, length=1, swap=0,
replyWait=0x0, replyReadyRet=0x7ffcc970b1b0) at
/usr/src/debug/libSM-1.2.5/src/sm_process.c:354
#9  0x00007f7add0477f5 in IceProcessMessages (iceConn=0x5642f344b9c0,
replyWait=0x0, replyReadyRet=0x0) at
/usr/src/debug/libICE-1.1.2/src/process.c:386
#10 0x00007f7ae1e0dd81 in doActivate<false> (sender=0x5642f2fcfd20,
signal_index=3, argv=0x7ffcc970b2f0) at
/usr/src/debug/qtbase-everywhere-src-6.8.1/src/corelib/kernel/qobject.cpp:4136
#11 0x00007f7ae1e10c83 in QSocketNotifier::activated
(this=this at entry=0x5642f2fcfd20, _t1=..., _t2=<optimized out>, _t3=...)
    at
/usr/src/debug/qtbase-everywhere-src-6.8.1/build/src/corelib/Core_autogen/include/moc_qsocketnotifier.cpp:198
#12 0x00007f7ae1e1186e in QSocketNotifier::event (this=0x5642f2fcfd20,
e=<optimized out>) at
/usr/src/debug/qtbase-everywhere-src-6.8.1/src/corelib/kernel/qsocketnotifier.cpp:327
#13 0x00007f7ae2fdec35 in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x5642f2fcfd20, e=0x7ffcc970b430) at
/usr/src/debug/qtbase-everywhere-src-6.8.1/src/widgets/kernel/qapplication.cpp:3296
#14 0x00007f7ae1dac948 in QCoreApplication::notifyInternal2
(receiver=0x5642f2fcfd20, event=0x7ffcc970b430) at
/usr/src/debug/qtbase-everywhere-src-6.8.1/src/corelib/kernel/qcoreapplication.cpp:1168
#15 0x00007f7ae200918c in socketNotifierSourceDispatch (source=0x5642f2f4fc90)
at
/usr/src/debug/qtbase-everywhere-src-6.8.1/src/corelib/kernel/qeventdispatcher_glib.cpp:77
#16 0x00007f7ae11c7ef8 in g_main_dispatch (context=0x7f7ad4000f50) at
../glib/gmain.c:3357
#17 g_main_context_dispatch_unlocked (context=context at entry=0x7f7ad4000f50) at
../glib/gmain.c:4208
#18 0x00007f7ae11c9ce8 in g_main_context_iterate_unlocked
(context=context at entry=0x7f7ad4000f50, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4273
#19 0x00007f7ae11ca4fc in g_main_context_iteration (context=0x7f7ad4000f50,
may_block=1) at ../glib/gmain.c:4338
#20 0x00007f7ae2000723 in QEventDispatcherGlib::processEvents
(this=0x5642f2ede450, flags=...) at
/usr/src/debug/qtbase-everywhere-src-6.8.1/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#21 0x00007f7ae1db5aa2 in QEventLoop::exec (this=this at entry=0x7ffcc970b6d0,
flags=..., flags at entry=...) at
/usr/src/debug/qtbase-everywhere-src-6.8.1/src/corelib/global/qflags.h:34
#22 0x00007f7ae1db5f8a in QCoreApplication::exec () at
/usr/src/debug/qtbase-everywhere-src-6.8.1/src/corelib/global/qflags.h:74
#23 0x00007f7ae260eed0 in QGuiApplication::exec () at
/usr/src/debug/qtbase-everywhere-src-6.8.1/src/gui/kernel/qguiapplication.cpp:1975
#24 0x00007f7ae2fdbef9 in QApplication::exec () at
/usr/src/debug/qtbase-everywhere-src-6.8.1/src/widgets/kernel/qapplication.cpp:2564
#25 0x00005642c58e94e1 in ClientApp::kde_open (allowExec=false,
this=0x7ffcc970b7b0, _url=..., mimeType=...) at
/usr/src/debug/kde-cli-tools-6.2.91/kioclient/kioclient.cpp:266
#26 ClientApp::doIt (this=0x7ffcc970b7b0, parser=...) at
/usr/src/debug/kde-cli-tools-6.2.91/kioclient/kioclient.cpp:380
#27 main (argc=<optimized out>, argc at entry=2, argv=argv at entry=0x7ffcc970ba68)
at /usr/src/debug/kde-cli-tools-6.2.91/kioclient/kioclient.cpp:219
#28 0x00007f7ae142a2ae in __libc_start_call_main
(main=main at entry=0x5642c58e8a00 <main(int, char**)>, argc=argc at entry=2,
argv=argv at entry=0x7ffcc970ba68) at ../sysdeps/nptl/libc_start_call_main.h:58
#29 0x00007f7ae142a379 in __libc_start_main_impl (main=0x5642c58e8a00
<main(int, char**)>, argc=2, argv=0x7ffcc970ba68, init=<optimized out>,
fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffcc970ba58)
    at ../csu/libc-start.c:360
#30 0x00005642c58e97b5 in _start () at ../sysdeps/x86_64/start.S:115

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: openSUSE Tumbleweed 20250127
KDE Plasma Version: 6.2.91
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.1
nvidia-gl-G06 version 660.144.03-3.1

ADDITIONAL INFORMATION
NVIDIA Quadro P620 in optimus configuration with Intel iGPU on a laptop.
I'm running falkon with the folloing environment variables:
__NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia
VK_ICD_FILENAMES=/etc/vulkan/icd.d/nvidia_icd.json
to make it use discrete GPU.

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