Robert Sand's community posts

Hello,

I'm running the latest beta viewer on Ubuntu 22.04. Sometimes I can make a connection, but pretty often the application just crashes. Since I can't see any way to enable logging on the Linux Viewer, I atleast did a full backtrace on the coredump with .gdb:

robert@i9ubuntu:/tmp/rview.crash-dir$ gdb r-viewer -c CoreDump
GNU gdb (Ubuntu 12.0.90-0ubuntu1) 12.0.90
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Reading symbols from r-viewer...
(No debugging symbols found in r-viewer)

warning: Can't open file /memfd:xorg (deleted) during file-backed mapping note processing
[New LWP 163325]
[New LWP 163299]
[New LWP 163298]
[New LWP 163329]
[New LWP 163302]
[New LWP 163300]
[New LWP 163327]
[New LWP 163304]
[New LWP 163330]
[New LWP 163305]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
--Type <RET> for more, q to quit, c to continue without paging--
Core was generated by `r-viewer'.

Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x0000000001067eec in QThread::isInterruptionRequested() const ()
[Current thread is 1 (Thread 0x7fa9ead41640 (LWP 163325))]
(gdb) bt full
#0  0x0000000001067eec in QThread::isInterruptionRequested() const ()
No symbol table info available.
#1  0x000000000045ad81 in TTCPSocket::writeData(QByteArray) ()
No symbol table info available.
#2  0x000000000045aef6 in TTCPSocket::writeInt32(int, bool) ()
No symbol table info available.
#3  0x00000000004742b9 in TCommandProcessorThread::run() ()
No symbol table info available.
#4  0x00000000010694ac in QThreadPrivate::start(void*) ()
No symbol table info available.
#5  0x00007fa9ecd6bb43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140728796626960, -4711913423458834964, 140367765968448, 0, 140367799695440, 140728796627312, 4740106901496751596, 4740093693796902380}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fa9ecdfda00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
No locals.