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tberer
n00b
Joined: 16 Feb 2008
Posts: 8
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 Posted: Tue Nov 11, 2008 5:45 pm Post subject: [solved] Xen network bridge fails with blktapctrl |
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Hi
I am setting up a Xen server and have some problems with the installation. The system is a almost default and updated 2008.0 amd64 gentoo linux. Without the hypervisor it runs perfect. When booting the xend I get the following messages about 'BLKTAPCTRL' in the console. As result the setup of the bridged interfaces does not work. I get no vifs and the peth0 does not get an IP. The eth0 is a Realtek 8111B (r8169).
| Code: | * Starting Xen control daemon ...
Nothing to flush.
Nothing to flush.
Waiting for peth0 to negotiate link.
BLKTAPCTRL[3779]: blktapctrl.c:736: blktapctrl: v1.0.0
BLKTAPCTRL[3779]: blktapctrl.c:738: Found driver: [raw image (aio)]
BLKTAPCTRL[3779]: blktapctrl.c:738: Found driver: [raw image (sync)]
BLKTAPCTRL[3779]: blktapctrl.c:738: Found driver: [vmware image (vmdk)]
BLKTAPCTRL[3779]: blktapctrl.c:738: Found driver: [ramdisk image (ram)]
BLKTAPCTRL[3779]: blktapctrl.c:738: Found driver: [qcow disk (qcow)]
BLKTAPCTRL[3779]: blktapctrl.c:738: Found driver: [qcow2 disk (qcow2)]
BLKTAPCTRL[3779]: blktapctrl.c:738: Found driver: [ioemu disk]
BLKTAPCTRL[3779]: blktapctrl_linux.c:23: /dev/xen/blktap0 device already exists
[ ok ]
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When I skip the xend startup and execute the blktapctrl binary manually I get the same messages.
Things I tried:
* xen and xen-tools 3.2.1 instead of 3.3.0
* Disabling of IPv6 in the Kernel
* Disabling of the eth0 setup during boot via RC_PLUG_SERVICES="!net.*"
* Downgrading of coreutils from 6.10-r2 to 6.9-r1
* Using a Dom0 Kernel which I know to work on the same hardware
* Reinstall from scratch
Installed software:
* xen-sources-2.6.18-r12
* xen-tools-3.3.0
* xen-3.3.0
* coreutils-6.9-r1
* glibc-2.6.1 (with -mno-tls-direct-seg-refs)
I have an older system with Xen running on the same hardware. So it's a software error. I guess I am overlooking something simple here. What could I try? What does blktapctrl do? The TUN/TAP support is present in the Kernel.
Thanks.
Last edited by tberer on Mon Nov 24, 2008 6:23 pm; edited 1 time in total |
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tberer
n00b
Joined: 16 Feb 2008
Posts: 8
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| Posted: Mon Nov 24, 2008 6:23 pm Post subject: |
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| After several hours of trying this and that I decided to re-install from scratch again. This time I strictly followed the installation handbook. I still get this messages but the virtual interfaces now work as expected. I cannot image having done something important in a different way. Anyway - it was certainly a human error. |
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