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[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

this is not a problem, just looks very awkward.

-----邮件原件-----
发件人: Jiri Denemark [mailto:jdenemar redhat com] 
发送时间: 2017年7月17日 21:31
收件人: Caoxinhua
抄送: libvir-list redhat com; jferlan redhat com; Yanqiangjun; Huangweidong (C); weifuqiang
主题: Re: [libvirt] [PATCH] fix 1 << -1 at JOB_MASK macro

On Sat, Jul 15, 2017 at 14:42:39 +0800, xinhua.Cao wrote:
> From: caoxinhua <caoxinhua huawei com>
> 
> when we start a vm, we call JOB_MASK(QEMU_JOB_NONE), then 1 << -1 will 
> be execute. we fix it as return 0

Could you point us to the place in our code where JOB_MASK is called on QEMU_JOB_NONE?

Jirka


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