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Re: [Xen-devel] xen-unstable+pvops kernel, I don't have xenbus and xenwa

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] xen-unstable+pvops kernel, I don't have xenbus and xenwatch kernel thread.
From: Min Lee <min.lee@xxxxxxxxxx>
Date: Wed, 09 Jun 2010 14:51:05 -0400
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User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.9) Gecko/20100317 Thunderbird/3.0.4
[root@vmphone210 ~]# cat /proc/misc
 57 autofs
224 tpm0
 58 device-mapper
 59 network_throughput
 60 network_latency
 61 cpu_dma_latency
144 nvram
228 hpet
 62 evtchn
227 mcelog
 63 vga_arbiter
[root@vmphone210 ~]#

As you see, evtchn is there, but no gntdev,
thanks!

On 6/9/2010 2:43 PM, Jeremy Fitzhardinge wrote:
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





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