Re: [Xen-devel] domU crash

[Stephan Böni <boeni@xxxxxx>]

> xend is trying to look up the device number for /dev/hda1. Since your 
> system doesn;t have a /dev/hda1, and you are presumably using udev, 
> this lookup fails. If you created that node manually in /dev/ 
> then all 
> should be fine.
> 
> Really the device name should be passed to domU as a string, and 
> resolved to a number there. Or xend can just have a table of simple 
> name lookups for thing like hda, hdb, ...

Hi Keir

Now i've created it:

# cd /dev
# mknod hda b 3 0
# mknod hda1 b 3 1
# chown root.disk hda*
# chmod 664 hda*
# ls -l /dev/hd*
brw-rw-r--  1 root disk 3, 0 2005-10-15 16:52 /dev/hda
brw-rw-r--  1 root disk 3, 1 2005-10-15 16:53 /dev/hda1
#
# /etc/init.d/xend restart
Restarting xend (old pid 6559)                                done
#
# xm create /etc/xen/inhouse
Using config file "/etc/xen/inhouse".
Started domain inhouse
#
# xm list
Name              Id  Mem(MB)  CPU VCPU(s)  State  Time(s)
Domain-0           0      123    0      1   r----     22.8
#
# cat /var/log/xend.log
.....
[2005-10-15 16:55:19 xend] DEBUG (image:156) initDomain: cpu=-1 mem_kb=2097152 
ssidref=-1 dom=2
[2005-10-15 16:55:19 xend] DEBUG (XendDomainInfo:843) init_domain> Created 
domain=2 name=inhouse memory=2048
[2005-10-15 16:55:19 xend] INFO (XendRoot:141) EVENT> xend.domain.create 
['inhouse', 2]
[2005-10-15 16:55:19 xend] INFO (image:217) buildDomain os=linux dom=2 vcpus=1
[2005-10-15 16:55:19 xend] DEBUG (image:255) dom            = 2
[2005-10-15 16:55:19 xend] DEBUG (image:256) image          = /boot/vmlinuz-xen
[2005-10-15 16:55:19 xend] DEBUG (image:257) store_evtchn   = 1
[2005-10-15 16:55:19 xend] DEBUG (image:258) console_evtchn = 2
[2005-10-15 16:55:19 xend] DEBUG (image:259) cmdline        =  
ip=:1.2.3.4:::inhouse:eth0:dhcp root=/dev/hda1 rw 3
[2005-10-15 16:55:19 xend] DEBUG (image:260) ramdisk        = /boot/initrd-xen
[2005-10-15 16:55:19 xend] DEBUG (image:261) flags          = 0
[2005-10-15 16:55:19 xend] DEBUG (image:262) vcpus          = 1
[2005-10-15 16:55:21 xend] INFO (xsobj:326) DBMap>introduceDomain> 2 833158 
<EventChannel dom1:0:18 dom2:2:1> /domain/d3ec0c25-f952-4384-b620-7a53f2bc5bb7
[2005-10-15 16:55:21 xend] DEBUG (XendDomainInfo:698) writing key 
availability=online to path /cpu/0 in store
[2005-10-15 16:55:21 xend] WARNING (XendDomainInfo:1100) Unknown config field 
boot
[2005-10-15 16:55:21 xend] ERROR (XendDomainInfo:443) ['vif', ['mac', 
'aa:00:00:39:63:6e']]
[2005-10-15 16:55:21 xend] INFO (XendRoot:141) EVENT> xend.domain.unpause 
['inhouse', 2]
[2005-10-15 16:55:21 xend] DEBUG (XendDomain:233) XendDomain>reap> domain died 
name=inhouse id=2
[2005-10-15 16:55:21 xend] INFO (XendRoot:141) EVENT> xend.domain.exit 
['inhouse', 2, 'crash']
.....
#
# cat /etc/xen/inhouse | grep -v ^#
kernel = "/boot/vmlinuz-xen"
ramdisk = "/boot/initrd-xen"
memory = 2048
name = "inhouse"
disk = [ 'phy:xenvg/inhouse-root,hda1,w' ]
dhcp="dhcp"
hostname = "inhouse"
root = "/dev/hda1 rw"
extra = "3"
#

It does still not work. :-(

Stephan

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