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

[Matt Willsher]

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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.


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