[Netkit.users] R: Netkit on Fedora 9
Massimo Rimondini
rimondin at dia.uniroma3.it
Sat Oct 25 13:02:48 CEST 2008
Dear Gianluca,
I don't have a Fedora 9 machine handy (yet), therefore I'm afraid I
cannot be of much help.
I will try to come back (hopefully with a solution) once I can set up a
testing environment for this purpose.
Sorry for the annoyance.
Regards,
Massimo.
Gianluca Salvalaggio wrote:
> Julien,
> thanks for your hints but they didn't work.
> /dev/shm is mounted with default options, and I disabled SElinux (on
> /etc/selinux/config) but ...the virtual machine still doesn't start. The
> message is always the same:
>
> ============= Starting virtual machine "pc1" =============
> Kernel: /opt/netkit/kernel/netkit-kernel
> Modules: /opt/netkit/kernel/modules
> Memory: 16 MB
> Model fs: /opt/netkit/fs/netkit-fs
> Filesystem: /opt/pc1.disk (new)
> Interfaces: eth0 @ a (/root/.netkit/hubs/vhub_root_a.cnct)
> Hostfs at: /root
>
> Running ==> /opt/netkit/bin/uml_switch -hub -unix
> /root/.netkit/hubs/vhub_root_a.cnct </dev/null 2>&1
> Running ==> /opt/netkit/kernel/netkit-kernel
> modules=/opt/netkit/kernel/modules name=pc1 title=pc1 umid=pc1 mem=20M
> ubd0=/opt/pc1.disk,/opt/netkit/fs/netkit-fs root=98:1
> uml_dir=/root/.netkit/mconsole
> eth0=daemon,,,/root/.netkit/hubs/vhub_root_a.cnct hosthome=/root con0=xterm
> con1=null SELINUX_INIT=0
> [root a nemo opt]# Core dump limits :
> soft - 0
> hard - NONE
> Checking that ptrace can change system call numbers...OK
> Checking syscall emulation patch for ptrace...OK
> Checking advanced syscall emulation patch for ptrace...check_ptrace :
> expected SIGTRAP or (SIGTRAP | 0x80), got status = 256
>
> Gianluca
>
>
> -----Messaggio originale-----
> Da: netkit.users-bounces a list.dia.uniroma3.it
> [mailto:netkit.users-bounces a list.dia.uniroma3.it] Per conto di Julien
> Iguchi-Cartigny
> Inviato: martedì 21 ottobre 2008 14.07
> A: Users of the Netkit Network Emulation System
> Oggetto: Re: [Netkit.users] Netkit on Fedora 9
>
> Other option: Fedora and Redhat are very strict about SeLinux policies.
> Maybe try to switch off SeLinux and retry.
>
> Julien.
>
> Julien Iguchi-Cartigny wrote:
>
>> I'm not sure but maybe it's the /dev/shm mounting point with the
>> option noexec. Try "mount" command, and if you have the option noexec
>> for the entry /dev/shm, you need to remove the noexec option in the
>> /etc/fstab file and reboot, because UML needs exec rights on shared
>>
> memory.
>
>> Julien.
>>
>> Gianluca Salvalaggio wrote:
>>
>>> Hi everybody,
>>> i'm trying to using Netkit (latest version) on Fedora 9.
>>> The check_configuration.sh command tells that everything is OK:
>>> ---------------------------------------------------------------------
>>> -----------------------
>>> ./check_configuration.sh
>>>
>>>> Checking path correctness... passed.
>>>> Checking environment... passed.
>>>> Checking for availability of man pages... passed.
>>>> Checking for proper directories in the PATH... passed.
>>>> Checking for availability of auxiliary tools:
>>>>
>>> awk : ok
>>> basename : ok
>>> date : ok
>>> dirname : ok
>>> find : ok
>>> getopt : ok
>>> grep : ok
>>> head : ok
>>> id : ok
>>> kill : ok
>>> ls : ok
>>> lsof : ok
>>> ps : ok
>>> readlink : ok
>>> wc : ok
>>> port-helper : ok
>>> tunctl : ok
>>> uml_mconsole : ok
>>> uml_switch : ok
>>> passed.
>>>
>>>> Checking for availability of terminal emulator applications:
>>>>
>>> xterm : found
>>> konsole : found
>>> gnome-terminal : not found
>>> passed.
>>>
>>> [ READY ] Congratulations! Your Netkit setup is now complete!
>>> Enjoy Netkit!
>>> ---------------------------------------------------------------------
>>> ----------------------- but when I start a virtual machine I get the
>>> following message and nothing happens:
>>>
>>> vstart -L --eth0=a --verbose pc1
>>>
>>>
>>> ============= Starting virtual machine "pc1" =============
>>> Kernel: /opt/netkit/kernel/netkit-kernel
>>> Modules: /opt/netkit/kernel/modules
>>> Memory: 16 MB
>>> Model fs: /opt/netkit/fs/netkit-fs
>>> Filesystem: /opt/netkit/pc1.disk (new)
>>> Interfaces: eth0 @ a (/root/.netkit/hubs/vhub_root_a.cnct)
>>> Hostfs at: /root
>>>
>>> Running ==> /opt/netkit/bin/uml_switch -hub -unix
>>> /root/.netkit/hubs/vhub_root_a.cnct </dev/null 2>&1 Running ==>
>>> /opt/netkit/kernel/netkit-kernel modules=/opt/netkit/kernel/modules
>>> name=pc1 title=pc1 umid=pc1 mem=20M
>>> ubd0=/opt/netkit/pc1.disk,/opt/netkit/fs/netkit-fs root=98:1
>>> uml_dir=/root/.netkit/mconsole
>>> eth0=daemon,,,/root/.netkit/hubs/vhub_root_a.cnct hosthome=/root
>>> con0=xterm con1=null SELINUX_INIT=0 [root a nemo netkit]# Core dump
>>> limits :
>>> soft - 0
>>> hard - NONE
>>> Checking that ptrace can change system call numbers...OK Checking
>>> syscall emulation patch for ptrace...OK Checking advanced syscall
>>> emulation patch for ptrace...check_ptrace :
>>> expected SIGTRAP or (SIGTRAP | 0x80), got status = 256
>>> ---------------------------------------------------------------------
>>> ---------------------------------------------------------------------
>>> ---------
>>> What is the problem?
>>> Thanks
>>> Gianluca
>>>
>>>
>>>
>>> ---------------------------------------------------------------------
>>> ---
>>>
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>>> Netkit.users mailing list
>>> Netkit.users a list.dia.uniroma3.it
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>>>
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>
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