Re: [Xen-devel] HVMs terminating as (null)

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

Saturday, November 23, 2013, 5:18:43 PM, you wrote:

> On 23/11/13 16:14, Steven Haigh wrote:
>> Hi all,
>>
>> Running Xen 4.2.3 with all the current XSA fixes.
>>
>> Whenever I shutdown / reboot a Windows HVM DomU, it ends up going into a
>> (null) state - which I can't seem to kill / destroy / clean up from.
>>
>> # xl list
>> Name                                        ID   Mem VCPUs      State
>> Time(s)
>> Domain-0                                     0  1579     2     r-----
>> 322927.2
>> (null)                                       1     0     1     --psrd
>> 14075.9
>> (null)                                       2     0     1     --psrd
>> 58467.6
>> (null)                                       3     0     0     --ps-d
>> 11604.8
>> (null)                                       4     0     2     --p--d
>> 24186.1
>> (null)                                       5     0     2     --ps-d
>> 22831.0
>>
>> The config is very simple:
>> # cat /etc/xen/remotedesktop.vm
>> name            = "remotedesktop.vm"
>> memory          = 1536
>> vcpus           = 2
>> cpus            = "1-3"
>> cpu_weight      = 128
>> disk            = [ 'phy:/dev/vg_raid1/remotedesktop.vm,hda,w' ,
>> 'file:/root/win7x86.iso,hdc:cdrom,r' ]
>> vif             = [ 'mac=98:95:00:07:07:07, bridge=br203,
> vifname=vm.rdp' ]
>> builder         = "hvm"
>> usbdevice       = "tablet"
>> vnc             = 1
>> vnclisten       = "10.1.1.1"
>> vncdisplay      = 1 # port 5901
>> vncpasswd       = ''
>> localtime       = 1
>> viridian        = 1
>> xen_platform_pci= 1
>>
>> It seems that this happens no matter what I do.
>>
>> Has anyone come across this before?

> When you have a system in this state, can you run

> xl debug-keys q
xl dmesg  >> xen-dmesg.log

> And provide the log file.

> Most likely, there will be one unfreed page keeping the domain around as
> a zombie.

> ~Andrew


Would it be possible to leave the domainname to something else as "(null)" when 
such a state occurs,
the xendomains script f.e. seems to interpret this literally and bails out 
without shutting down
any other domains.

--
Sander


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