Re: [xl] a fault happens on pv domain reboot

[Gihan Munasinghe <GMunasinghe@flexiant.com>]

Sergey Tovpeko wrote:
> Hello!
>
> After doing reboot from the pv domain, the domain finishes his work.
> xl destroys it, but then cann't create the new one. It seems a sort of 
> race happens here between domain destroying and creation, but i'm not 
> sure.
>
I came across with the same problem I put a sleep(2) in the code, I 
haven't had a chance to fully investigate the the root cause of this
See the following patch

This is trying to implement xl reboot and xl shutdown.

http://lists.xensource.com/archives/html/xen-devel/2010-05/msg01616.html

 
> /var/log/xen/xl-debian-pv.log shows this:
>
>
> Waiting for domain debian-pv (domid 6) to die [pid 5219]
> Domain 6 is dead
> Domain 6 needs to be clean: destroying the domain
> Done. Rebooting now
> libxl: error: libxl_dom.c:389:userdata_path unable to find domain info 
> for domain 7: Resource temporarily unavailable
> cannot save config file: Resource temporarily unavailable
> libxl: error: libxl.c:747:libxl_domain_destroy xc_domain_pause failed 
> for 7
>
> I use the latest xen-unstable.hg.
>
> Thank you for your attention.
> Sergey Tovpeko
>
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>


-- 
Gihan Munasinghe
R&D Team Leader
Flexiant Ltd.
www.flexiant.com