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Version-Release number of selected component: qemu-system-x86-1.4.2-12.fc19 Additional info: reporter: libreport-2.1.9 backtrace_rating: 4 cmdline: /usr/bin/qemu-system-x86_64 -machine accel=kvm -name netflix -S -machine pc-i440fx-1.4,accel=kvm,usb=off -cpu SandyBridge,+erms,+smep,+fsgsbase,+rdrand,+f16c,+osxsave,+pcid,+pdcm,+xtpr,+tm2,+est,+vmx,+ds_cpl,+monitor,+dtes64,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme -m 2048 -smp 2,sockets=2,cores=1,threads=1 -uuid 31887a6b-41ca-8147-11a5-e66a2eb95dff -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/netflix.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime -no-shutdown -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x5 -drive file=/var/lib/libvirt/images/netflix.img,if=none,id=drive-ide0-0-0,format=raw -device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 -drive file=/home/cdhgold/SW_DVD5_Win_Pro_7_32BIT_English_Full_MLF_X15-71033.ISO,if=none,id=drive-ide0-1-0,readonly=on,format=raw -device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -netdev tap,fd=24,id=hostnet0 -device rtl8139,netdev=hostnet0,id=net0,mac=52:54:00:2d:1f:60,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=5900,addr=127.0.0.1,disable-ticketing,seamless-migration=on -vga qxl -global qxl-vga.ram_size=67108864 -global qxl-vga.vram_size=67108864 -device intel-hda,id=sound0,bus=pci.0,addr=0x4 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 crash_function: red_client_unref executable: /usr/bin/qemu-system-x86_64 kernel: 3.11.6-200.fc19.x86_64 runlevel: N 5 type: CCpp uid: 107 var_log_messages: Nov 6 13:34:00 maclinux abrt-hook-ccpp[6915]: Saved core dump of pid 9292 (/usr/bin/qemu-system-x86_64) to /var/tmp/abrt/ccpp-2013-11-06-13:33:27-9292 (2453843968 bytes) Truncated backtrace: Thread no. 1 (6 frames) #5 red_client_unref at red_channel.c:1943 #6 dispatcher_handle_single_read at dispatcher.c:139 #7 dispatcher_handle_recv_read at dispatcher.c:162 #8 qemu_iohandler_poll at iohandler.c:159 #9 main_loop_wait at main-loop.c:417 #10 main_loop at vl.c:2001
Created attachment 820714 [details] File: backtrace
Created attachment 820715 [details] File: cgroup
Created attachment 820716 [details] File: core_backtrace
Created attachment 820717 [details] File: dso_list
Created attachment 820718 [details] File: environ
Created attachment 820719 [details] File: limits
Created attachment 820720 [details] File: maps
Created attachment 820721 [details] File: open_fds
Created attachment 820722 [details] File: proc_pid_status
I see your VM name is netflix, did this happen during video streaming? If not, what were you doing when this crashed? Is it reproducible?
yes it was during streaming so far has not occurred again it is a fully pathced windows 7 vm used solely for netflix
This package has changed ownership in the Fedora Package Database. Reassigning to the new owner of this component.
such core has occurred for me. from the coding-level, it may not be generated, but I doubt that when the client be disconnected the time that the video stream (the qxl thread) refering the client, then inform the main thread(from the socket pair), the main thread call the ref_client_unref->free again. then core generated！the bug is too difficult to be generated again.
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Fedora 19 changed to end-of-life (EOL) status on 2015-01-06. Fedora 19 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.