Re: [Xen-devel] Help booting Xen under RHEL6 beta2

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

Xen-4.0-testing:19983 would be the c/s being discussed there. You could try
reverting it and see how that goes for you. But if you have /dev/xen/evtchn
and /dev/xen/gntdev then (assuming the device nodes aren't bogus for some
reason, and there's no reason they should be) you should be good to go in
this respect. You could double check by 'ls -l /dev/xen' and compare the
device-node minors to the list in /proc/misc.

 -- Keir

On 12/07/2010 21:44, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote:

> This recent thread from xen-users with the exact symptoms:
> http://www.gossamer-threads.com/lists/xen/users/177223
> (see last in thread) implies that this is the result of
> a regression since xen-4.0.1-rc3, though it's vague on
> exactly what regressed ("evtchn stuff"?).
> 
> I'll try rebuilding to confirm.
> 
>> -----Original Message-----
>> From: Keir Fraser [mailto:keir.fraser@xxxxxxxxxxxxx]
>> Sent: Monday, July 12, 2010 2:39 PM
>> To: Dan Magenheimer; Ian Campbell; Stefano Stabellini
>> Cc: Young; xen-devel@xxxxxxxxxxxxxxxxxxx; DonDutile; Konrad Wilk
>> Subject: Re: [Xen-devel] Help booting Xen under RHEL6 beta2
>> 
>> On 12/07/2010 21:19, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx>
>> wrote:
>> 
>>> So I rebooted (with xend disabled), manually started xenstored,
>>> and ensured xenstored is indeed running with ps -ef.
>>> Then I tried "xenstore-ls" and all I get is:
>>> 
>>> tool = ""
>>>  xenstored = ""
>>> local = ""
>>> 
>>> I tried this on a EL5-based distro running a 2.6.18.8-xen
>>> dom0 (with xend disabled on boot) and xenstore-ls gives
>>> me a long list of dom0 related registry entries.
>> 
>> Those dom0 registry entries would be written by xend. If you just run
>> xenstored, you'd expect the database to be pretty empty. Looks like
>> xenstored is running okay. Perhaps xend is trying to connect to
>> xenstored in
>> a different way to xenstore-ls. There are two different ways to connect
>> --
>> via a Unix domains socket /var/run/xenstored/socket; or via a kernel
>> device
>> /proc/xen/xenbus.
>> 
>>  -- Keir
>> 
>> 



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