[Fedora-xen] xenguest-install.py - Error Bad file descriptor in FC6 Test2 DomU and Dom0

[shobha ranganathan]

Thanks a bunch. I see the ERROR in log as "PAE kernel on non PAE host"
   
  So I should do "make world pae=y"  and "make install" ??
   
  Shobha
Chris Lalancette <clalance at redhat.com> wrote:
  shobha ranganathan wrote:
> I have a Fedora COre 6 Test 2 dom0 built from xen-3.0.2 sources. That
> was succssful and "xm list "worked . I did not build a domU kernel though.
> 
> I am trying to install FC6 Test2 as guest Os. I setup an http server in
> the same machine to grab the images of Fc6 TEst2 from a directory.
> 
> When I did xenguest-install.py, I get this error. Please let me know
> what am I missing here.
> 1. Have I not setup my disks correctly ?
> 2. Is my http daemon configuration causing problems ?
> 
> 
> Starting install...
> libvir: Xen Daemon error : POST operation failed: No such domain xenbox_g1
> Failed to get devices for domain xenbox_g1
> Traceback (most recent call last):
> File "/usr/sbin/xenguest-install.py", line 476, in ?
> main()
> File "/usr/sbin/xenguest-install.py", line 467, in main
> start_paravirt_install(name, ram, disk, mac, uuid, bridge, src,
> options.extra)
> File "/usr/sbin/xenguest-install.py", line 344, in start_paravirt_install
> dom = conn.createLinux(cfgxml, 0)
> File "/usr/lib/python2.4/site-packages/libvirt.py", line 233, in
> createLinux
> if ret is None:raise libvirtError('virDomainCreateLinux() failed')
> libvirt.libvirtError: virDomainCreateLinux() failed
> 
> 
> The /var/log/xend.log shows as
> 
> 2006-09-28 18:31:13 xend.XendDomainInfo 3851] DEBUG
> (XendDomainInfo:1217) XendDomainInfo.construct: None
> [2006-09-28 18:31:13 xend.XendDomainInfo 3851] DEBUG
> (XendDomainInfo:1249) XendDomainInfo.initDomain: 4 1.0
> [2006-09-28 18:31:13 xend 3851] DEBUG (balloon:127) Balloon: 486224 KiB
> free; need 266240; done.
> [2006-09-28 18:31:13 xend 3851] INFO (image:134) buildDomain os=linux
> dom=4 vcpus=1
> [2006-09-28 18:31:13 xend 3851] DEBUG (image:177) dom = 4
> [2006-09-28 18:31:13 xend 3851] DEBUG (image:178) image =
> /var/lib/xen/vmlinuz.ypg7-X
> [2006-09-28 18:31:13 xend 3851] DEBUG (image:179) store_evtchn = 1
> [2006-09-28 18:31:13 xend 3851] DEBUG (image:180) console_evtchn = 2
> [2006-09-28 18:31:13 xend 3851] DEBUG (image:181) cmdline = 
> root=/dev/xvd method=http://localhost
> [2006-09-28 18:31:13 xend 3851] DEBUG (image:182) ramdisk =
> /var/lib/xen/initrd.img.Y95dri
> [2006-09-28 18:31:13 xend 3851] DEBUG (image:183) vcpus = 1
> [2006-09-28 18:31:13 xend 3851] DEBUG (image:184) features =
> [2006-09-28 18:31:13 xend.XendDomainInfo 3851] ERROR
> (XendDomainInfo:198) Domain construction failed
> Traceback (most recent call last):
> File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py",
> line 191, in create
> vm.initDomain()
> File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py",
> line 1319, in initDomain
> raise VmError(str(exn))
> VmError: (9, 'Bad file descriptor')
> [2006-09-28 18:31:13 xend.XendDomainInfo 3851] DEBUG
> (XendDomainInfo:1405) XendDomainInfo.destroy: domid=4
> [2006-09-28 18:31:13 xend.XendDomainInfo 3851] DEBUG
> (XendDomainInfo:1413) XendDomainInfo.destroyDomain(4)
> [2006-09-28 18:31:13 xend 3851] ERROR (SrvBase:87) Request create failed.
> Traceback (most recent call last):
> File "/usr/lib/python2.4/site-packages/xen/web/SrvBase.py", line 85,
> in perform
> return op_method(op, req)
> File
> "/usr/lib/python2.4/site-packages/xen/xend/server/SrvDomainDir.py", line
> 82, in op_create
> raise XendError("Error creating domain: " + str(ex))
> XendError: Error creating domain: (9, 'Bad file descriptor')
> 
> thanks for your time
> 
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Hi there,
Take a look at /var/log/xend-debug.log; is there something that talks about trying to run a PAE domU on a non-PAE hypervisor? If so, you need to recompile your dom0 to use pae (when you compile, put pae=y on the command-line). All of the FC6 paravirt kernels are PAE, and these need to match.

Chris Lalancette


 		
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