From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: xen-unstable+pvops kernel, I don't have xenbus and
	xenwatch kernel thread.
Date: Wed, 09 Jun 2010 11:43:39 -0700
Message-ID: <4C0FE0DB.9030707@goop.org>
References: <4C0FADC8.20204@gatech.edu> <4C0FDC22.8030709@goop.org>
	<4C0FDF61.6080001@gatech.edu>
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To: Min Lee <min.lee@gatech.edu>
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On 06/09/2010 11:37 AM, Min Lee wrote:
> Hi, Jeremy.
> Yes, xenstored is running and xenstore-ls dumps its contents, although
> I had to start it manually.
> I have only evtchn in /dev/xen. No gntdev.

What does /proc/misc say?  Does it list "xen/evtchn" and "xen/gntdev" or
just the non-xen/ versions?

    J

>
>
> On 6/9/2010 2:23 PM, Jeremy Fitzhardinge wrote:
>> On 06/09/2010 08:05 AM, Min Lee wrote:
>>> Hello. folks.
>>> I've tried Xen-unstable + Jeremy's pvops kernel on ibm x3550M2 server
>>> machine, on centos 5.4.
>>> Also I've already checked these instructions..
>>> http://wiki.xensource.com/xenwiki/2.6.18-to-2.6.31-and-higher
>>> Now, it seems like domain creation cannot find its virtual devices..
>>> So I couldn't start my domains. I had these messages..
>>>
>>> xenconsole: Could not read tty from store: No such file or directory
>>> Error: Device 0 (vif) could not be connected. Hotplug scripts not
>>> working.
>>> Error: Device 2049 (vbd) could not be connected. Path closed or
>>> removed during hotplug add: backend/vbd/5/2049 state: 1
>>>
>>> /proc/xen has these files.
>>>
>>> -r--r--r-- 1 root root 0 Jun  8 09:57 capabilities
>>> -rw------- 1 root root 0 Jun  8 09:57 privcmd
>>> -rw------- 1 root root 0 Jun  8 09:57 xenbus
>>> -rw------- 1 root root 0 Jun  8 09:57 xsd_kva
>>> -rw------- 1 root root 0 Jun  8 09:57 xsd_port
>>>
>>> 'make install-tools' didn't install links in my /etc/rc directories,
>>> so I had to run manually xenconsoled, xenstored, and xend, but
>>> I found that I have no xenbus and xenwatch kernel threads.
>>> Is this why it can't finds virtual devices??
>>
>> Is xenstored running?  Do you have the evtchn and gntdev devices in
>> /dev/xen?
>>
>>      J
>>
>