Re: [Xen-devel] Adjusting HVM guest time leads to overflow

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Mon, Jul 20, 2015 at 12:11:35PM +0800, Arvin Wang wrote:
> hi,all
> 
>     I adjusted time back to year 1900 in windows guest vm. And when i
> rebooted the vm, it failed.
> 
> It seems that the value of adjustment exceed the range. Any suggestions?

You are using Xend which is deprecated and no longer in use. Have you
tried using the latest Xen version and using 'xl' instead?

Thanks.
> 
> The logs:
> 
> [2015-06-26 11:13:13 15113] DEBUG (SrvDomain:76) Starting domain
> instance-000001bb False
> [2015-06-26 11:13:13 15113] DEBUG (XendDomainInfo:2311)
> XendDomainInfo.constructDomain
> [2015-06-26 11:13:13 15113] DEBUG (balloon:166) Balloon: 13544396 KiB free;
> need 4096; done.
> [2015-06-26 11:13:13 15113] DEBUG (XendDomain:453) Adding Domain: 30
> [2015-06-26 11:13:13 15113] DEBUG (XendDomainInfo:2512)
> XendDomainInfo.initDomain: 30 256
> [2015-06-26 11:13:13 15113] DEBUG (image:322) No VNC passwd configured for
> vfb access
> [2015-06-26 11:13:13 15113] DEBUG (image:813) args: boot, val: c
> [2015-06-26 11:13:13 15113] DEBUG (image:813) args: fda, val: None
> [2015-06-26 11:13:13 15113] DEBUG (image:813) args: fdb, val: None
> [2015-06-26 11:13:13 15113] DEBUG (image:813) args: soundhw, val: None
> [2015-06-26 11:13:13 15113] DEBUG (image:813) args: localtime, val: 1
> [2015-06-26 11:13:13 15113] DEBUG (image:813) args: serial, val: ['pty']
> [2015-06-26 11:13:13 15113] DEBUG (image:813) args: std-vga, val: None
> [2015-06-26 11:13:13 15113] DEBUG (image:813) args: isa, val: None
> [2015-06-26 11:13:13 15113] DEBUG (image:813) args: acpi, val: 1
> [2015-06-26 11:13:13 15113] DEBUG (image:813) args: usb, val: 1
> [2015-06-26 11:13:13 15113] DEBUG (image:813) args: usbdevice, val: tablet
> [2015-06-26 11:13:13 15113] ERROR (XendDomainInfo:476) VM start failed
> Traceback (most recent call last):
> File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
> 456, in start
> XendTask.log_progress(31, 60, self._initDomain)
> File "/usr/lib64/python2.4/site-packages/xen/xend/XendTask.py", line 209,
> in log_progress
> retval = func(*args, **kwds)
> File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
> 2517, in
> 
> 
> 
> 
> *initDomainself.image = image.create(self, self.info
> <http://self.info>)File
> "/usr/lib64/python2.4/site-packages/xen/xend/image.py", line 66, in
> createreturn findImageHandlerClass(vmConfig)(vm, vmConfig)File
> "/usr/lib64/python2.4/site-packages/xen/xend/image.py", line 716, in
> initImageHandler.*_init__(self, vm, vmConfig)
> File "/usr/lib64/python2.4/site-packages/xen/xend/image.py", line 96, in
> *init*
> self.configure(vmConfig)
> File "/usr/lib64/python2.4/site-packages/xen/xend/image.py", line 945, in
> configure
> HVMImageHandler.configure(self, vmConfig)
> File "/usr/lib64/python2.4/site-packages/xen/xend/image.py", line 721, in
> configure
> ImageHandler.configure(self, vmConfig)
> File "/usr/lib64/python2.4/site-packages/xen/xend/image.py", line 129, in
> configure
> xc.domain_set_time_offset(self.vm.getDomid(), rtc_timeoffset)
> OverflowError: signed integer is greater than maximum
> 
> vm.cfg as follows:
> <domain type='xen'>
> <name>instance-000001bb</name>
> <uuid>80afee54-40b6-4aec-bf19-53bca024c3d8</uuid>
> <memory unit='KiB'>4194304</memory>
> <currentMemory unit='KiB'>4194304</currentMemory>
> <vcpu placement='static'>2</vcpu>
> <os>
> <type>hvm</type>
> <loader>/usr/lib/xen/boot/hvmloader</loader>
> <boot dev='hd'/>
> </os>
> <features>
> <acpi/>
> <apic/>
> <pae/>
> </features>
> <clock offset='variable' adjustment='-1917066511' basis='localtime'>
> <timer name='hpet' present='no'/>
> </clock>
> <on_poweroff>destroy</on_poweroff>
> <on_reboot>restart</on_reboot>
> <on_crash>destroy</on_crash>
> <devices>
> <emulator>/usr/lib64/xen/bin/qemu-dm</emulator>
> <disk type='block' device='disk'>
> <driver name='phy'/>
> <source dev='/dev/xenvg1/instance-000001bb_disk'/>
> <target dev='hda' bus='ide'/>
> </disk>
> <interface type='bridge'>
> <mac address='fa:16:3e:05:63:37'/>
> <source bridge='xbr_v26'/>
> <script path='vif-bridge'/>
> </interface>
> <serial type='pty'>
> <target port='0'/>
> </serial>
> <console type='pty'>
> <target type='serial' port='0'/>
> </console>
> <input type='tablet' bus='usb'/>
> <input type='mouse' bus='ps2'/>
> <graphics type='vnc' port='-1' autoport='yes' listen='10.195.158.117'>
> <listen type='address' address='10.195.158.117'/>
> </graphics>
> </devices>
> </domain>
> 
> -- 
> Services Computing Technology and System Lab && Cluster and Grid Computing
> Lab.
> School of Computer Science and Technology,
> Huazhong University of Science and Technology,
> Wuhan,430074,China.

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