Version-Release number of selected component:
qemu-system-x86-2.4.1-1.fc23

Additional info:
reporter:       libreport-2.6.3
backtrace_rating: 4
cmdline:        /usr/bin/qemu-system-x86_64 -machine accel=kvm -name Win2016TechPreview3 -S -machine pc-i440fx-2.1,accel=kvm,usb=off -cpu Opteron_G3 -m 30000 -realtime mlock=off -smp 2,sockets=2,cores=1,threads=1 -uuid 97defc67-8a67-4732-aa0d-185c44630a6e -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/Win2016TechPreview3.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime,driftfix=slew -global kvm-pit.lost_tick_policy=discard -no-hpet -no-shutdown -global PIIX4_PM.disable_s3=1 -global PIIX4_PM.disable_s4=1 -boot strict=on -device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x5.0x7 -device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5 -device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x5.0x1 -device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x5.0x2 -device ahci,id=sata0,bus=pci.0,addr=0x8 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x6 -drive file=/home/james/Downloads/10514.0.150808-1529.TH2_RELEASE_SERVER_OEMRET_X64FRE_EN-US.ISO,if=none,id=drive-ide0-0-1,readonly=on,format=raw -device ide-cd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 -drive 'file=/home/james/Replacable/Virtual Machines/Win16TechPreview3.img,if=none,id=drive-ide0-1-0,format=raw' -device ide-hd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0,bootindex=1 -netdev tap,fd=23,id=hostnet0 -device rtl8139,netdev=hostnet0,id=net0,mac=52:54:00:ef:9d:7c,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -chardev spicevmc,id=charchannel0,name=vdagent -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0 -device usb-tablet,id=input0 -spice port=5901,addr=127.0.0.1,disable-ticketing,seamless-migration=on -device qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,vgamem_mb=16,bus=pci.0,addr=0x2 -device intel-hda,id=sound0,bus=pci.0,addr=0x4 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -chardev spicevmc,id=charredir0,name=usbredir -device usb-redir,chardev=charredir0,id=redir0 -chardev spicevmc,id=charredir1,name=usbredir -device usb-redir,chardev=charredir1,id=redir1 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x7 -msg timestamp=on
crash_function: error_propagate
executable:     /usr/bin/qemu-system-x86_64
global_pid:     8649
kernel:         4.2.6-300.fc23.x86_64
runlevel:       N 5
type:           CCpp
uid:            107

Truncated backtrace:
Thread no. 1 (8 frames)
 #2 error_propagate at util/error.c:173
 #3 qemu_ram_alloc_internal at /usr/src/debug/qemu-2.4.1/exec.c:1600
 #4 qemu_ram_alloc at /usr/src/debug/qemu-2.4.1/exec.c:1614
 #5 memory_region_init_ram at /usr/src/debug/qemu-2.4.1/memory.c:1200
 #6 allocate_system_memory_nonnuma at /usr/src/debug/qemu-2.4.1/numa.c:434
 #7 memory_region_allocate_system_memory at /usr/src/debug/qemu-2.4.1/numa.c:447
 #8 pc_memory_init at /usr/src/debug/qemu-2.4.1/hw/i386/pc.c:1315
 #9 pc_init1 at /usr/src/debug/qemu-2.4.1/hw/i386/pc_piix.c:181

Potential duplicate: bug 1215372