Re: [libvirt] 答复: [PATCH] fix 1 << -1 at JOB_MASK macro

When we start a vm, we call JOB_MASK(QEMU_JOB_NONE) at follow backtrace Breakpoint 1, qemuDomainObjPrivateXMLFormat (buf=0x7f8078fcd510, vm=0x7f808c2c7d70) at qemu/qemu_domain.c:1779 1779 if (!qemuDomainTrackJob(job)) (gdb) p job $1 = QEMU_JOB_NONE (gdb) bt #0 qemuDomainObjPrivateXMLFormat (buf=0x7f8078fcd510, vm=0x7f808c2c7d70) at qemu/qemu_domain.c:1779 #1 0x00007f80899e7988 in virDomainObjFormat (xmlopt=0x7f808c275c60, obj=obj@entry=0x7f808c2c7d70, caps=0x7f808c25b450, flags=flags@entry=625) at conf/domain_conf.c:24936 #2 0x00007f80899e7a5c in virDomainSaveStatus (xmlopt=<optimized out>, statusDir=0x7f808c28de30 "/var/run/libvirt/qemu", obj=obj@entry=0x7f808c2c7d70, caps=<optimized out>) at conf/domain_conf.c:25149 #3 0x00007f806f7d8840 in qemuProcessLaunch (conn=conn@entry=0x7f805c0047c0, driver=driver@entry=0x7f808c2d1530, vm=vm@entry=0x7f808c2c7d70, asyncJob=asyncJob@entry=QEMU_ASYNC_JOB_START, incoming=incoming@entry=0x0, snapshot=snapshot@entry=0x0, vmop=vmop@entry=VIR_NETDEV_VPORT_PROFILE_OP_CREATE, flags=flags@entry=17) at qemu/qemu_process.c:5757