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Marc Tousignant

2011-Apr-01 22:24 UTC

[Xen-users] Need help with an issue after upgrading to 4.1.0

Hi all,

 

This is my first post to the list. My first real major issue with xen.

I started on 3.4.2 and upgraded to 4.0.1 without issues. Now I just
attempted to go to 4.1.0 and I got the following errors in my log.

 

# cat /var/log/xen/xend-debug.log 
Xend started at Fri Apr  1 13:51:15 2011. 
cat: /sys/bus/scsi/devices/host0/vendor: No such file or directory 
cat: /sys/bus/scsi/devices/host0/model: No such file or directory 
cat: /sys/bus/scsi/devices/host0/type: No such file or directory 
cat: /sys/bus/scsi/devices/host0/rev: No such file or directory 
cat: /sys/bus/scsi/devices/host0/scsi_level: No such file or directory 
cat: /sys/bus/scsi/devices/target0:2:0/vendor: No such file or directory 
cat: /sys/bus/scsi/devices/target0:2:0/model: No such file or directory 
cat: /sys/bus/scsi/devices/target0:2:0/type: No such file or directory 
cat: /sys/bus/scsi/devices/target0:2:0/rev: No such file or directory 
cat: /sys/bus/scsi/devices/target0:2:0/scsi_level: No such file or directory

cat: /sys/bus/scsi/devices/host1/vendor: No such file or directory 
cat: /sys/bus/scsi/devices/host1/model: No such file or directory 
cat: /sys/bus/scsi/devices/host1/type: No such file or directory 
cat: /sys/bus/scsi/devices/host1/rev: No such file or directory 
cat: /sys/bus/scsi/devices/host1/scsi_level: No such file or directory 
cat: /sys/bus/scsi/devices/host2/vendor: No such file or directory 
cat: /sys/bus/scsi/devices/host2/model: No such file or directory 
cat: /sys/bus/scsi/devices/host2/type: No such file or directory 
cat: /sys/bus/scsi/devices/host2/rev: No such file or directory 
cat: /sys/bus/scsi/devices/host2/scsi_level: No such file or directory 
cat: /sys/bus/scsi/devices/host3/vendor: No such file or directory 
cat: /sys/bus/scsi/devices/host3/model: No such file or directory 
cat: /sys/bus/scsi/devices/host3/type: No such file or directory 
cat: /sys/bus/scsi/devices/host3/rev: No such file or directory 
cat: /sys/bus/scsi/devices/host3/scsi_level: No such file or directory 
cat: /sys/bus/scsi/devices/host4/vendor: No such file or directory 
cat: /sys/bus/scsi/devices/host4/model: No such file or directory 
cat: /sys/bus/scsi/devices/host4/type: No such file or directory 
cat: /sys/bus/scsi/devices/host4/rev: No such file or directory 
cat: /sys/bus/scsi/devices/host4/scsi_level: No such file or directory 
cat: /sys/bus/scsi/devices/target1:0:0/vendor: No such file or directory 
cat: /sys/bus/scsi/devices/target1:0:0/model: No such file or directory 
cat: /sys/bus/scsi/devices/target1:0:0/type: No such file or directory 
cat: /sys/bus/scsi/devices/target1:0:0/rev: No such file or directory 
cat: /sys/bus/scsi/devices/target1:0:0/scsi_level: No such file or directory

cat: /sys/bus/scsi/devices/target2:0:0/vendor: No such file or directory 
cat: /sys/bus/scsi/devices/target2:0:0/model: No such file or directory 
cat: /sys/bus/scsi/devices/target2:0:0/type: No such file or directory 
cat: /sys/bus/scsi/devices/target2:0:0/rev: No such file or directory 
cat: /sys/bus/scsi/devices/target2:0:0/scsi_level: No such file or directory

Exception starting xend: (19, ''No such device'') 

 

# cat /var/log/xen/xend.log 
[2011-04-01 13:51:15 11817] INFO (SrvDaemon:332) Xend Daemon started 
[2011-04-01 13:51:15 11817] INFO (SrvDaemon:336) Xend changeset:
unavailable. 
[2011-04-01 13:51:15 11817] DEBUG (tcp:96) Listening on :8002 
[2011-04-01 13:51:16 11817] DEBUG (XendNode:332) pscsi record count: 11 
[2011-04-01 13:51:16 11817] DEBUG (XendCPUPool:747) recreate_active_pools 
[2011-04-01 13:51:16 11817] ERROR (SrvDaemon:349) Exception starting xend
((19, ''No such device'')) 
Traceback (most recent call last): 
  File
"/usr/lib64/python2.6/site-packages/xen/xend/server/SrvDaemon.py",
line 341, in run 
    servers = SrvServer.create() 
  File
"/usr/lib64/python2.6/site-packages/xen/xend/server/SrvServer.py",
line 258, in create 
    root.putChild(''xend'', SrvRoot()) 
  File
"/usr/lib64/python2.6/site-packages/xen/xend/server/SrvRoot.py", line
40, in __init__ 
    self.get(name) 
  File "/usr/lib64/python2.6/site-packages/xen/web/SrvDir.py", line
84, in
get 
    val = val.getobj() 
  File "/usr/lib64/python2.6/site-packages/xen/web/SrvDir.py", line
52, in
getobj 
    self.obj = klassobj() 
  File
"/usr/lib64/python2.6/site-packages/xen/xend/server/SrvNode.py", line
30, in __init__ 
    self.xn = XendNode.instance() 
  File "/usr/lib64/python2.6/site-packages/xen/xend/XendNode.py", line
1181,
in instance 
    inst = XendNode() 
  File "/usr/lib64/python2.6/site-packages/xen/xend/XendNode.py", line
163,
in __init__ 
    self._init_cpu_pools() 
  File "/usr/lib64/python2.6/site-packages/xen/xend/XendNode.py", line
382,
in _init_cpu_pools 
    XendCPUPool.recreate_active_pools() 
  File "/usr/lib64/python2.6/site-packages/xen/xend/XendCPUPool.py",
line
754, in recreate_active_pools 
    uuid = xstransact.Read(path, ''uuid'') 
  File
"/usr/lib64/python2.6/site-packages/xen/xend/xenstore/xstransact.py",
line 307, in Read 
    return complete(path, lambda t: t.read(*args)) 
  File
"/usr/lib64/python2.6/site-packages/xen/xend/xenstore/xstransact.py",
line 361, in complete 
    t = xstransact(path) 
  File
"/usr/lib64/python2.6/site-packages/xen/xend/xenstore/xstransact.py",
line 29, in __init__ 
    self.transaction = xshandle().transaction_start() 
Error: (19, ''No such device'') 

 

The no such file or directory errors existed in 4.0.1 as well and never
cause me an issue. It''s the exception starting xend that is killing me.

I have attempted to search the userlist without any success. Has anyone seen
the issue and know what the solution is?

 

Marc



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Xen-users@lists.xensource.com
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Heiko Wundram

2011-Apr-01 22:43 UTC

head link

Re: [Xen-users] Need help with an issue after upgrading to 4.1.0

Am 02.04.2011 00:24, schrieb Marc Tousignant:> <snip>
> # cat /var/log/xen/xend-debug.log 
> ...
> Exception starting xend: (19, ''No such device'') 
> ...
>   File
"/usr/lib64/python2.6/site-packages/xen/xend/xenstore/xstransact.py",
> line 29, in __init__ 
>     self.transaction = xshandle().transaction_start() 
> Error: (19, ''No such device'') 
> 
> The no such file or directory errors existed in 4.0.1 as well and never
> cause me an issue. It''s the exception starting xend that is
killing me.
> 
> I have attempted to search the userlist without any success. Has anyone
seen
> the issue and know what the solution is?
Start /etc/init.d/xencommons before starting xend.

-- 
--- Heiko.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

Marc Tousignant

2011-Apr-01 23:15 UTC

head link

RE: [Xen-users] Need help with an issue after upgrading to 4.1.0

> <snip>
> # cat /var/log/xen/xend-debug.log 
> ...
> Exception starting xend: (19, ''No such device'') 
> ...
>   File
"/usr/lib64/python2.6/site-packages/xen/xend/xenstore/xstransact.py",> line 29, in __init__ 
>     self.transaction = xshandle().transaction_start() 
> Error: (19, ''No such device'') 
> 
> The no such file or directory errors existed in 4.0.1 as well and never
> cause me an issue. It''s the exception starting xend that is
killing me.
> 
> I have attempted to search the userlist without any success. Has anyone
seen> the issue and know what the solution is?
Start /etc/init.d/xencommons before starting xend.

-- 
--- Heiko.

Thanks. I might have been able to figure that out earlier if I spoke Russian
or the online translator sites did a better job.
I found someone on a Russian site who reported the same issue, I just
couldn''t translate the answer.

Marc


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