I have the similar issue, the KVM 2.0 keeps crashing, here is the stack I captured with GDB
(gdb) c Continuing. Program received signal SIGABRT, Aborted. [Switching to Thread 0x7ffede1f9700 (LWP 5555)] 0x00007ffeee4d4f79 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 56 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory. (gdb) bt #0 0x00007ffeee4d4f79 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 #1 0x00007ffeee4d8388 in __GI_abort () at abort.c:89 #2 0x00007ffeee4cde36 in __assert_fail_base (fmt=0x7ffeee61f718 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7ffef45f1c1e "s->current", file=file@entry=0x7ffef45f17e0 "/build/buildd/qemu-2.0.0~rc1+dfsg/hw/scsi/lsi53c895a.c", line=line@entry=541, function=function@entry=0x7ffef45f275b "lsi_do_dma") at assert.c:92 #3 0x00007ffeee4cdee2 in __GI___assert_fail (assertion=0x7ffef45f1c1e "s->current", file=0x7ffef45f17e0 "/build/buildd/qemu-2.0.0~rc1+dfsg/hw/scsi/lsi53c895a.c", line=541, function=0x7ffef45f275b "lsi_do_dma") at assert.c:101 #4 0x00007ffef43de87d in ?? () #5 0x00007ffef43dca97 in ?? () #6 0x00007ffef4507631 in ?? () #7 0x00007ffef450c776 in ?? () #8 0x00007ffef44b1933 in ?? () #9 0x00007ffef4506615 in ?? () #10 0x00007ffef44a6f42 in ?? () #11 0x00007ffeee86c182 in start_thread (arg=0x7ffede1f9700) at pthread_create.c:312 #12 0x00007ffeee59930d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 (gdb) My KVM command line ================== qemu-system-x86_64 -enable-kvm -name 015-win2k3-32bit-dev-target -S -machine pc-i440fx-trusty,accel=kvm,usb=off -m 4096 -realtime mlock=off -smp 4,sockets=4,cores=1,threads=1 -uuid 2af25570-37cd- a3af-e157-0d85cf31d47d -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/015-win2k3-32bit-dev- target.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime -no- shutdown -boot strict=on -device piix3-usb- uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device lsi,id=scsi0,bus=pci.0,addr=0x4 -drive file=/home/vm/015-win2k3-32bit- dev-target/disk.qcow2,if=none,id=drive- ide0-0-0,format=qcow2,cache=writeback -device ide- hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 -drive file=/home/vm/015-win2k3-32bit-dev-target/zhe_test.qcow2,if=none,id =drive-scsi0-0-0,format=qcow2,cache=writeback -device scsi- hd,bus=scsi0.0,scsi-id=0,drive=drive-scsi0-0-0,id=scsi0-0-0 -netdev tap,fd=25,id=hostnet0 -device e1000,netdev=hostnet0,id=net0,mac=e0:db:55:04:dd:0f,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -device isa- serial,chardev=charserial0,id=serial0 -device usb-tablet,id=input0 -vnc 0.0.0.0:115 -device VGA,id=video0,bus=pci.0,addr=0x2 -device virtio- balloon-pci,id=balloon0,bus=pci.0,addr=0x5 -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1303926 Title: qemu-system-x86_64 crashed with SIGABRT Status in QEMU: New Status in “qemu” package in Ubuntu: Fix Released Bug description: I've been getting this periodically since my upgrade to qemu 2.0 in trusty this morning. ProblemType: Crash DistroRelease: Ubuntu 14.04 Package: qemu-system-x86 2.0.0~rc1+dfsg-0ubuntu1 ProcVersionSignature: Ubuntu 3.13.0-23.45-generic 3.13.8 Uname: Linux 3.13.0-23-generic x86_64 ApportVersion: 2.14.1-0ubuntu1 Architecture: amd64 Date: Mon Apr 7 13:31:53 2014 ExecutablePath: /usr/bin/qemu-system-x86_64 InstallationDate: Installed on 2013-11-26 (131 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) ProcEnviron: PATH=(custom, no user) Registers: No symbol table is loaded. Use the "file" command. Signal: 6 SourcePackage: qemu StacktraceTop: Title: qemu-system-x86_64 crashed with SIGABRT UpgradeStatus: Upgraded to trusty on 2014-01-17 (79 days ago) UserGroups: To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1303926/+subscriptions