[virt-tools-list] virt-install 0.400-3: cannot install

Cole Robinson crobinso at redhat.com
Mon Nov 23 19:59:29 UTC 2009


On 11/23/2009 02:41 PM, Gerry Reno wrote:
> Gerry Reno wrote:
>> Cole Robinson wrote:
>>> On 11/22/2009 09:57 PM, Gerry Reno wrote:
>>>  
>>>> Gerry Reno wrote:
>>>>   
>>>>> Gerry Reno wrote:
>>>>>     
>>>>>> It finally finished the install and rebooted but now it appears that
>>>>>> the guest is not booting.  So need to investigate why it doesn't boot
>>>>>> up.  No console output at all after I start the guest.  I dumped the
>>>>>> xml and the boot dev is now "hd" and the path to the image is
>>>>>> correct.
>>>>>>
>>>>>> -Gerry
>>>>>>         
>>>>> Ok, I reran the install and got the exact same result.  No bootup or
>>>>> no console output at least.
>>>>>
>>>>>       
>>>
>>> Just because you passed those kernel command line options in for install
>>> doesn't mean they will stick for the life of the VM. You will need to
>>> find a
>>> way to edit the grub.conf in the guest to get bootup output, and then
>>> /etc/inittab to start a TTY on the serial line.
>>>   
>>
>> I thought I had done this because I added the console args to the
>> kernel line during the installation screens so I assumed it would
>> generate a grub.cfg(grub2) using them.  I guess that still wasn't enough.
>>
>>> You'll either need to set up temporary graphical access, find the IP
>>> of the VM
>>> and use ssh, or some way to kernel boot into rescue mode (or hack up
>>> your own
>>> boot.iso to append custom kernel args).
>>>   
>> Yes, I need to figure out how to get a text-based rescue session
>> running for the VM.
>>
>>>  
>>>>> Here is the process line:
>>>>> root     23068     1  0 20:46 ?        00:00:02 /usr/bin/kvm -S -M
>>>>> pc-0.11 -m 2048 -smp 4 -name DOMAIN-1 -uuid
>>>>> b1620075-a0ba-1246-fd67-1243c20870a6 -nographic -monitor
>>>>> unix:/var/run/libvirt/qemu/DOMAIN-1.monitor,server,nowait -boot c
>>>>> -drive
>>>>> file=/var/lib/libvirt/images/DOMAIN-1.img,if=ide,index=0,boot=on -net
>>>>> nic,macaddr=54:52:00:4b:f1:a6,vlan=0,name=nic.0 -net
>>>>> tap,fd=17,vlan=0,name=tap.0 -serial pty -parallel none -usb
>>>>>
>>>>> I see it has both -monitor and -serial.  Does that make any
>>>>> difference?
>>>>>
>>>>> -Gerry
>>>>>       
>>>> I tried running the command directly and here is what it outputs:
>>>> TUNGETIFF ioctl() failed: Bad file descriptor
>>>> TUNSETOFFLOAD ioctl() failed: Bad file descriptor
>>>> char device redirected to /dev/pts/1
>>>>
>>>>     
>>>
>>> You can't run the generated command directly because libvirtd sets up
>>> things
>>> like tap devices before running the guest.
>>>
>>>  
>>>> I checked both the image file and the .monitor file and both are there
>>>> and readable so I don't understand what file it is complaining about.
>>>>
>>>>     
>>>
>>> It's complaining about the tapfd, which isn't present because libvirt
>>> usually
>>> takes care of it.
>>>   
>> Ok, understand that.  Thanks.
>>
>>
>>> - Cole
>>>
>>>   
>>
> I tried starting the VM in graphical env with virt-manager.  The VM
> never starts and throws this error:
> Traceback (most recent call last):
>  File "/usr/share/virt-manager/virtManager/engine.py", line 493, in
> run_domain
>    vm.startup()
>  File "/usr/share/virt-manager/virtManager/domain.py", line 573, in startup
>    self.vm.create()
>  File "/usr/lib64/python2.6/site-packages/libvirt.py", line 287, in create
>    if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
> libvirtError: internal error Domain DOMAIN-1 didn't show up
> 
> So it doesn't look like this is a guest distro issue.  How can I track
> down what is wrong?
> 

See if there are any errors in /var/log/libvirt/qemu/<vmname>.log. See if
disabling selinux (setenforce 0) helps at all.

- Cole




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