Russ Blaine russell.blaine at sun.com
Tue Jan 29 18:18:53 UTC 2008

Host is Solaris, guest is WinXP.

Richard W.M. Jones wrote:
> Russ Blaine wrote:
>> Daniel P. Berrange wrote:
>>> Can you edit the src/xen_internal.c file and in the 
>>> xenHypervisorGetDomInfo()
>>> method, add a printf() for the 'domain_flags' flags variable.  IMHO the
>>> way we deal with this isn't quite correct. We merely mask out the 
>>> high bits and then switch on the resulting value. This isn't the way 
>>> the Xen
>>> hypervisor uses this field though. Xen more or less uses the whole thing
>>> as as bitmask, allowing near arbitrary combinations of bits to be set.
>>> So I think what is happening is there's a combo of bits set which cause
>>> the switch() statement to fail all cases, resulting in NOSTATE.
>>> We'll probably need to replace the switch(domain_flags) with 
>>> something which explicitly tests for the bits we're interested in, 
>>> rather than
>>> looking at the value as a whole.
>> when xenHypervisorGetDomInfo() returns VIR_DOMAIN_NONE, domain_flags 
>> is 0 (sampled after the HVM bit has been masked out). So is there some 
>> other state implied by domain_flags being 0? In all cases I have seen, 
>> the domain is actually running -- accumulating CPU time, etc.
>> -----------------------------------------------------
>> Russ Blaine | Solaris Kernel | russell.blaine at sun.com
> This begs a question actually ... Is the host (or guest) Solaris?
> Rich.


Russ Blaine | Solaris Kernel | russell.blaine at sun.com

More information about the libvir-list mailing list