[Spacewalk-list] spacewalk provisioning via koan failure with [Errno 10] No child processes

[Jan Pazdziora]

On Sat, Apr 02, 2011 at 12:23:59AM +0100, Matt Willsher wrote:
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> On 31/03/2011 08:48, Matt Willsher wrote:
> > Hello,
> > 
> > I'm trying to a provision a KVM VM on CentOS 5.5 via Spacewalk 1.3, but
> > I get the following output at which point the installation halts.  The
> > server onto which I'm trying to provison is also running the a KVM
> > instance with my spacewalk instance in.
> > 
> > The following versions of software are installed on the virtualisation host:
> > 
> > python-2.4.3-27.el5_5.3
> > spacewalk-koan-0.2.16-1.el5
> > koan-2.0.9-1.el5
> > 
> > Thanks,
> > Matt
> > 
> > # rhn_check
> ...
> > exceptions.OSError
> > [Errno 10] No child processes
> >   File "/usr/share/rhn/spacewalkkoan/spacewalkkoan.py", line 193, in
> > initiate_guest
> >     k.run()
> >    File "/usr/lib/python2.4/site-packages/koan/app.py", line 356, in run
> >     self.virt()
> >    File "/usr/lib/python2.4/site-packages/koan/app.py", line 675, in virt
> >     return self.net_install(after_download)
> >    File "/usr/lib/python2.4/site-packages/koan/app.py", line 594, in
> > net_install
> >     after_download(self, profile_data)
> >    File "/usr/lib/python2.4/site-packages/koan/app.py", line 673, in
> > after_download
> >     self.virt_net_install(profile_data)
> >    File "/usr/lib/python2.4/site-packages/koan/app.py", line 1138, in
> > virt_net_install
> >     path_list           = self.calc_virt_path(pd, virtname)
> >    File "/usr/lib/python2.4/site-packages/koan/app.py", line 1434, in
> > calc_virt_path
> >     path =
> > self.calc_virt_path2(pd,name,offset=count,location=x,sizes=virt_sizes)
> >    File "/usr/lib/python2.4/site-packages/koan/app.py", line 1535, in
> > calc_virt_path2
> >     change_context |= sub_process.call(args, close_fds=True, shell=True)
> >    File "/usr/lib64/python2.4/subprocess.py", line 419, in call
> >     return Popen(*args, **kwargs).wait()
> >    File "/usr/lib64/python2.4/subprocess.py", line 1027, in wait
> >     pid, sts = os.waitpid(self.pid, 0)
> 
> 
> This turned out to be something in SELinux blocking part of the process.
> Running koan from the command line directly worked fine just not when
> called from Spacewalk. I've put SELinux in permissive mode for now and
> provisioning is now ok.

Could you post the output of

	grep AVC /var/log/audit/audit.log

?

Thank you,

-- 
Jan Pazdziora
Principal Software Engineer, Satellite Engineering, Red Hat