In reply to@ilya-fedin:matrix.org
I added services.nixseparatedebuginfod.enable = true; to my config but gdb's trace still lacks debug symbols 🤔

#0  0x0000000000000000 in ?? ()
#1  0x00007153eb123c5d in queryDmaBufModifiers (usageHint=PipeWireSourceStream::UsageHint::EncodeSoftware, formats=..., display=0x0)
    at /build/kpipewire-6.1.1/src/pipewiresourcestream.cpp:151
#2  PipeWireSourceStream::createFormatsParams (this=this@entry=0x7153b40014f0, podBuilder=...) at /build/kpipewire-6.1.1/src/pipewiresourcestream.cpp:506
#3  0x00007153eb125812 in PipeWireSourceStream::createStream (this=0x7153b40014f0, nodeid=103, fd=27)
    at /build/kpipewire-6.1.1/src/pipewiresourcestream.cpp:545
#4  0x00007153eb149a17 in PipeWireProduce::initialize (this=0x2137b600)
    at /nix/store/4qrmlniaj7x49sl6i1w4c2sjjdx00ghh-qtbase-6.7.2/include/QtCore/qscopedpointer.h:90
#5  0x00007153e97d67fb in QObject::event(QEvent*) () from /nix/store/4qrmlniaj7x49sl6i1w4c2sjjdx00ghh-qtbase-6.7.2/lib/libQt6Core.so.6
#6  0x00007153ea994d21 in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
   from /nix/store/4qrmlniaj7x49sl6i1w4c2sjjdx00ghh-qtbase-6.7.2/lib/libQt6Widgets.so.6
#7  0x00007153e9781c10 in QCoreApplication::notifyInternal2(QObject*, QEvent*) ()
   from /nix/store/4qrmlniaj7x49sl6i1w4c2sjjdx00ghh-qtbase-6.7.2/lib/libQt6Core.so.6
#8  0x00007153e9785851 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
   from /nix/store/4qrmlniaj7x49sl6i1w4c2sjjdx00ghh-qtbase-6.7.2/lib/libQt6Core.so.6
#9  0x00007153e9a4ef83 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) ()
   from /nix/store/4qrmlniaj7x49sl6i1w4c2sjjdx00ghh-qtbase-6.7.2/lib/libQt6Core.so.6
#10 0x00007153e8d32f74 in g_main_dispatch (context=context@entry=0x7153b4000c60) at ../glib/gmain.c:3344
#11 0x00007153e8d35ff7 in g_main_context_dispatch_unlocked (context=0x7153b4000c60) at ../glib/gmain.c:4152
--Type <RET> for more, q to quit, c to continue without paging--c
#12 g_main_context_iterate_unlocked (context=context@entry=0x7153b4000c60, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at ../glib/gmain.c:4217
#13 0x00007153e8d365ec in g_main_context_iteration (context=0x7153b4000c60, may_block=1) at ../glib/gmain.c:4282
#14 0x00007153e9a4e83c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /nix/store/4qrmlniaj7x49sl6i1w4c2sjjdx00ghh-qtbase-6.7.2/lib/libQt6Core.so.6
#15 0x00007153e978e9d3 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /nix/store/4qrmlniaj7x49sl6i1w4c2sjjdx00ghh-qtbase-6.7.2/lib/libQt6Core.so.6
#16 0x00007153e9894745 in QThread::exec() () from /nix/store/4qrmlniaj7x49sl6i1w4c2sjjdx00ghh-qtbase-6.7.2/lib/libQt6Core.so.6
#17 0x00007153e992d431 in QThreadPrivate::start(void*) () from /nix/store/4qrmlniaj7x49sl6i1w4c2sjjdx00ghh-qtbase-6.7.2/lib/libQt6Core.so.6
#18 0x00007153e90a0272 in start_thread (arg=<optimized out>) at pthread_create.c:447
#19 0x00007153e911bdec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78