Version-Release number of selected component:
qemu-system-x86-2.4.1-5.fc23

Additional info:
reporter:       libreport-2.6.3
backtrace_rating: 4
cmdline:        /usr/bin/qemu-system-i386 -xen-domid 2 -chardev socket,id=libxl-cmd,path=/var/run/xen/qmp-libxl-2,server,nowait -mon chardev=libxl-cmd,mode=control -nodefaults -name opensuse.hvm -vnc 127.0.0.1:0,to=99 -display none -sdl -k de -device cirrus-vga,vgamem_mb=8 -boot order=cda -smp 4,maxcpus=4 -device rtl8139,id=nic0,netdev=net0,mac=00:16:3e:55:89:d5 -netdev type=tap,id=net0,ifname=vif2.0-emu,script=no,downscript=no -machine xenfv -m 2040 -drive file=/home/autarch/xen/opensuse/opensuse.img,if=ide,index=0,media=disk,format=qcow2,cache=writeback -drive file=/home/autarch/xen/opensuse/opensuse.iso,if=ide,index=2,readonly=on,media=cdrom,format=raw,cache=writeback,id=ide-5632 -device xen-pvdevice,device-id=0xc000
crash_function: blk_handle_requests
executable:     /usr/bin/qemu-system-i386
journald_cursor: s=7497545cbe3b43659929684a946f5426;i=63cbc;b=020e706fcaa243f9a027175a1c63c6a3;m=13c1ee65a;t=52938a202b696;x=5e79bcb90526b687
kernel:         4.3.3-300.fc23.x86_64
rootdir:        /
runlevel:       N 5
type:           CCpp
uid:            0

Truncated backtrace:
Thread no. 1 (9 frames)
 #0 blk_handle_requests at hw/block/xen_disk.c:705
 #1 blk_bh at hw/block/xen_disk.c:744
 #2 aio_bh_poll at async.c:87
 #3 aio_dispatch at aio-posix.c:135
 #4 aio_ctx_dispatch at async.c:226
 #7 glib_pollfds_poll at main-loop.c:208
 #8 os_host_main_loop_wait at main-loop.c:253
 #9 main_loop_wait at main-loop.c:502
 #10 main_loop at vl.c:1902