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List: fedora-xen
Subject: AW: [Fedora-xen] interface tun0 does not exist! -> HALF SOLVED
From: <thomas.vonsteiger () bluewin ! ch>
Date: 2006-09-06 16:20:22
Message-ID: 006801c6d1d0$5a4e9520$0401a8c0 () athlon
[Download RAW message or body]
Hello again,
I found the problem..stubid..
I have installed kernel-xen
With kernel-xen0 the interface are there.
Becose then I can use only 4Gb memory.
What can I to now do use 16G of memory ?
Thomas
_____
Von: fedora-xen-bounces@redhat.com [mailto:fedora-xen-bounces@redhat.com] Im
Auftrag von thomas.vonsteiger@bluewin.ch
Gesendet: Mittwoch, 6. September 2006 17:36
An: fedora-xen@redhat.com
Betreff: [Fedora-xen] interface tun0 does not exist!
Hello,
I can not setup any guest's becose of missing interfaces.
/var/log/xend-debug.log:
Link veth0 is missing.
This may be because you have reached the limit of the number of
interfaces that the loopback driver supports. If the loopback driver is
a module, you may raise this limit by passing it as a parameter
(nloopbacks=<N>); if the driver is compiled statically into the kernel,
then you may set the parameter using loopback.nloopbacks=<N> on the
domain 0 kernel command line.
interface tun0 does not exist!
interface tun0 does not exist!
interface tun0 does not exist!
interface tun0 does not exist!
>From dmesg:
bnx2: eth0 NIC Link is Up, 1000 Mbps full duplex
bnx2: eth1 NIC Link is Up, 1000 Mbps full duplex
bnx2: eth2 NIC Link is Up, 1000 Mbps full duplex
bnx2: eth3 NIC Link is Up, 1000 Mbps full duplex
/etc/grub.conf:
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/fcvg/slash
# initrd /initrd-version.img
#boot=/dev/cciss/c0d0
default=0
timeout=10
splashimage=(hd0,0)/grub/splash.xpm.gz
#hiddenmenu
title Fedora Core (2.6.17-1.2174_FC5xen)
root (hd0,0)
kernel /xen.gz-2.6.17-1.2174_FC5-PAE dom0_mem=512000
loopback.nloopbacks=128
module /vmlinuz-2.6.17-1.2174_FC5xen ro root=/dev/fcvg/slash
module /initrd-2.6.17-1.2174_FC5xen.img
title Fedora Core (2.6.17-1.2174_FC5smp)
root (hd0,0)
kernel /vmlinuz-2.6.17-1.2174_FC5smp ro root=/dev/fcvg/slash
initrd /initrd-2.6.17-1.2174_FC5smp.img
title Fedora Core 5 (2.6.15-1.2054_FC5smp)
root (hd0,0)
kernel /vmlinuz-2.6.15-1.2054_FC5smp ro root=/dev/fcvg/slash
initrd /initrd-2.6.15-1.2054_FC5smp.img
Hardware: HP DL380 G5, 16G memory, 4 nic's from type bnx2, eth0 - eth3 are
all there.
ifconfig -a prints eth0,eth1,eth2,eth3,lo
With kernel parameter "loopback.nloopbacks=128" i have the same problem.
Again with loopback.nloopbacks= .32,48,128,164,256. always no tun0 or
xenbr0.
What can be wrong here ?
Many thanks for any help.
Thomas
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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hello again,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>I found the \
problem….stubid..<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>I have installed \
kernel-xen<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>With kernel-xen0 the
interface are there.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>Becose then I can use
only 4Gb memory.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>What can I to now do use
16G of memory ?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>Thomas<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span lang=DE style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span lang=DE style='font-size:
10.0pt;font-family:Tahoma;font-weight:bold'>Von:</span></font></b><font size=2
face=Tahoma><span lang=DE style='font-size:10.0pt;font-family:Tahoma'> \
fedora-xen-bounces@redhat.com [mailto:fedora-xen-bounces@redhat.com] <b><span \
style='font-weight:bold'>Im Auftrag von </span></b><st1:PersonName \
w:st="on">thomas.vonsteiger@bluewin.ch</st1:PersonName><br> <b><span \
style='font-weight:bold'>Gesendet:</span></b> Mittwoch, 6. September 2006 17:36<br>
<b><span style='font-weight:bold'>An:</span></b> fedora-xen@redhat.com<br>
<b><span style='font-weight:bold'>Betreff:</span></b> [Fedora-xen] interface
tun0 does not exist!</span></font><span lang=DE><o:p></o:p></span></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>Hello,</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>I can not setup</span></font><span lang=EN-GB> \
</span><font size=2 face="Courier New"><span lang=EN-GB \
style='font-size:10.0pt;font-family: "Courier New"'>any</span></font><span \
lang=EN-GB> </span><font size=2 face="Courier New"><span lang=EN-GB \
style='font-size:10.0pt;font-family:"Courier New"'>guest’s becose of missing \
interfaces.</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New"'>/var/log/xend-debug.log:</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>Link veth0 is missing.</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>This may be because you have reached the limit of
the number of</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>interfaces that the loopback driver supports.
If the loopback driver is</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>a module, you may raise this limit by passing it as
a parameter</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>(nloopbacks=<N>); if the driver is compiled
statically into the kernel,</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>then you may set the parameter using
loopback.nloopbacks=<N> on the</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>domain 0 kernel command line.</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>interface tun0 does not \
exist!</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>interface tun0 does not \
exist!</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>interface tun0 does not \
exist!</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>interface tun0 does not \
exist!</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>From dmesg:</span></font><o:p></o:p></p>
<p><font size=2 face="Times New Roman"><span lang=EN-GB \
style='font-size:10.0pt'>bnx2: eth0 NIC Link is Up, 1000 Mbps full duplex<br>
bnx2: eth1 NIC Link is Up, 1000 Mbps full duplex<br>
bnx2: eth2 NIC Link is Up, 1000 Mbps full duplex<br>
bnx2: eth3 NIC Link is Up, 1000 Mbps full duplex</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>/etc/grub.conf:</span></font><o:p></o:p></p>
<p><font size=2 face="Times New Roman"><span lang=EN-GB style='font-size:10.0pt'>#
grub.conf generated by anaconda<br>
#<br>
# Note that you do not have to rerun grub after making changes to this file<br>
# NOTICE: You have a /boot partition. This means that<br>
# all kernel and initrd
paths are relative to /boot/, eg.<br>
# root (hd0,0)<br>
# kernel /vmlinuz-version
ro root=/dev/fcvg/slash<br>
# initrd
/initrd-version.img<br>
#boot=/dev/cciss/c0d0<br>
default=0<br>
timeout=10<br>
splashimage=(hd0,0)/grub/splash.xpm.gz<br>
#hiddenmenu<br>
title Fedora Core (2.6.17-1.2174_FC5xen)<br>
root (hd0,0)<br>
kernel /xen.gz-2.6.17-1.2174_FC5-PAE
dom0_mem=512000</span></font><span lang=EN-GB> </span><font size=2><span
lang=EN-GB style='font-size:10.0pt'>loopback.nloopbacks=128</span></font><span
lang=EN-GB><br>
</span><font size=2><span lang=EN-GB \
style='font-size:10.0pt'> module \
/vmlinuz-2.6.17-1.2174_FC5xen ro root=/dev/fcvg/slash<br> \
module \
/initrd-2.6.17-1.2174_FC5xen.img<br> title Fedora Core (2.6.17-1.2174_FC5smp)<br>
root (hd0,0)<br>
kernel /vmlinuz-2.6.17-1.2174_FC5smp
ro root=/dev/fcvg/slash<br>
initrd
/initrd-2.6.17-1.2174_FC5smp.img<br>
title Fedora Core 5 (2.6.15-1.2054_FC5smp)<br>
root (hd0,0)<br>
kernel /vmlinuz-2.6.15-1.2054_FC5smp
ro root=/dev/fcvg/slash<br>
initrd
/initrd-2.6.15-1.2054_FC5smp.img</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>Hardware:</span></font><span lang=EN-GB> </span><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'>HP DL380 G5, 16G memory, 4 nic’s</span></font><span
lang=EN-GB> </span><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;font-family:"Courier New"'>from</span></font><span
lang=EN-GB> </span><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;font-family:"Courier New"'>type bnx2,</span></font><span
lang=EN-GB> </span><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;font-family:"Courier New"'>eth0</span></font><span
lang=EN-GB> </span><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;font-family:"Courier New"'>– eth3 are all \
there.</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>ifconfig</span></font><span lang=EN-GB> </span><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'>–a prints eth0,eth1,eth2,eth3,lo</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>With kernel</span></font><span lang=EN-GB> </span><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'>parameter</span></font><span lang=EN-GB> </span><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier \
New"'>“loopback.nloopbacks=128”</span></font><span lang=EN-GB> \
</span><font size=2 face="Courier New"><span lang=EN-GB \
style='font-size:10.0pt;font-family:"Courier New"'>i</span></font><span lang=EN-GB> \
</span><font size=2 face="Courier New"><span lang=EN-GB \
style='font-size:10.0pt;font-family:"Courier New"'>have the same \
problem.</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>Again with</span></font><span lang=EN-GB> </span><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'>loopback.nloopbacks=</span></font><span lang=EN-GB> </span><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'>…32,48,128,164,256… always no tun0 or \
xenbr0.</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>What can be wrong here ?</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>Many thanks for any help.</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New"'>Thomas</span></font><o:p></o:p></p>
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