On Tue, Apr 11, 2006 at 09:02:42PM -0400, Brian Hays wrote:
> After upgrading to 3.0.2 I tried rebooting a domU (a problem sometimes in
> 3.0.1 related to bug 514) it failed to come back up. This was in my
> xend.log. ("Refusing to restart to avoid loops." .... )
>
> [2006-04-11 20:53:39 xend.XendDomainInfo] DEBUG (__init__:988) Storing
> domain details: {'console/ring-ref': '223144', 'console/port': '2',
> 'name': 'vmtest1', 'console/limit': '1048576', 'vm':
> '/vm/c73d7a4b-4747-fe91-dbc4-0408183a9456', 'domid': '10',
> 'cpu/0/availability': 'online', 'memory/target': '98304',
> 'store/ring-ref': '223145', 'store/port': '1'}
> [2006-04-11 20:53:39 xend.XendDomainInfo] DEBUG (__init__:988)
> XendDomainInfo.handleShutdownWatch
> [2006-04-11 20:53:39 xend.XendDomainInfo] WARNING (__init__:988) Domain
> has crashed: name=vmtest1 id=10.
> [2006-04-11 20:53:39 xend.XendDomainInfo] ERROR (__init__:988) VM vmtest1
> restarting too fast (1.396226 seconds since the last restart). Refusing
> to restart to avoid loops.
> [2006-04-11 20:53:39 xend.XendDomainInfo] DEBUG (__init__:988)
> XendDomainInfo.destroy : domid=10
> [2006-04-11 20:53:39 xend.XendDomainInfo] DEBUG (__init__:988)
> XendDomainInfo.destroyDomain(10)
>
> Is there a way to adjust the parameter that tells Xen the domain is
> "restarting too fast"? Would adjusting that parameter fix this?
You could tweak it by changing MINIMUM_RESTART_TIME to 0 near the top of
/usr/lib(64)/python/xen/xend/XendDomainInfo.py, but that sounds like a bad
idea to me -- it really means it: your guest has crashed immediately after
reboot.
The best thing to do is to change on_crash=preserve in your xm create config
file, reboot the domain, and then attach the console to the dead, preserved
domain to find out why it crashed.
Ewan.
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