Can't load nfs module in Xen guest.

suso

I've been running Xen for a while using Gentoo and its worked great. One of my dom0 hosts is currently running the 2.6.16.26-xen kernel and I've built the nfs modules to load and I can load them in the dom0. But when I try to do a modprobe nfs inside one of the domUs, I get this error:

suso · Posted: Wed Mar 12, 2008 6:13 pm Post subject:

*bump*

I really need this to work or I'll have to move this specific host off to a dedicated host.
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suso · Posted: Tue Mar 18, 2008 2:54 am Post subject:

*bump*
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qubix · Posted: Tue Apr 15, 2008 7:25 am Post subject:

Please post uname -a for both the the dom0 and domU in question.

Do you use pygrub while booting the domU, or use the kernel from outside domU?

Maybe you are trying to load a module that is from another kernel in domU. If so, just copy /lib/modules/`uname -r` from dom0 to domU and see what happens.

regards
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qubix

pappy_mcfae · Posted: Tue Apr 15, 2008 7:36 am Post subject:

My suggestion is to recompile your kernels thusly:

1) Move your .config file out of the kernel source directory.
2) Run make mrproper to clean out the source directory.
3) Put the .config file back into the source directory.
4) Run make
5) Delete the folder under /lib/modules that corresponds to the kernel version in question.
6) Run make modules_install.

It's best done if you have two functional kernels installed on your machine. Do them one at a time. If not, make sure you delete the modules folder just before you run make modules_install. That way, you minimize possible glitches.

Hope that helps.

Blessed be!
Pappy
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