# Bug in IoUringAssemblyEngine::onEventfdRead: operator(): Failed to assemble frame operator(): Failed to assemble frame operator(): Failed to assemble frame attachStimBuffDeviceReq1_posted: Attaching edev avia0 to world thread attachDeviceReq5: Enabled pcloud data for device: 3JEDK380010Z39 DeviceReattacher: Successfully reattached 1 of 1 devices Thread 7 "smo:world" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7ffff4ffa6c0 (LWP 64937)] 0x0000000000000000 in ?? () (gdb) bt #0 0x0000000000000000 in ?? () #1 0x00007fff00000000 in ?? () #2 0x00007fffe000a220 in ?? () #3 0x00007ffff4ff96d0 in ?? () #4 0x00007ffff47b5b64 in smo::stim_buff::IoUringAssemblyEngine::onEventfdRead ( this=0x7ffff47bb104 (std::atomic const*, std::memory_order)+85>, error=..., bytes_transferred=8590000127) at /home/latentprion/gits/salmanoff-git/stimBuffApis/livoxGen1/ioUringAssemblyEngine.cpp:547 Backtrace stopped: frame did not save the PC (gdb)