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Re: 为什么在我的内核版本 3.1.0-1-amd64 中的 /sys/hypervisor 是空目录?



你还需要安装xen-hpyervisor,

http://packages.debian.org/sid/xen-hypervisor-4.1-amd64

2011/12/21 Dongsheng Song <dongsheng.song@gmail.com>:
> 什么意思?我运行的内核版本 3.1.5 已经包含了对XEN的支持了:
>
> 已经发过 /boot/config-3.1.0-1-amd64的XEN编译配置信息,
> 这里是内核信息:
>
> # apt-cache show linux-image-3.1.0-1-amd64
> ...
> Package: linux-image-3.1.0-1-amd64
> Status: install ok installed
> Priority: optional
> Section: kernel
> Installed-Size: 101630
> Maintainer: Debian Kernel Team <debian-kernel@lists.debian.org>
> Architecture: amd64
> Source: linux-2.6
> Version: 3.1.5-1
> Provides: linux-image, linux-modules-3.1.0-1-amd64
> Depends: module-init-tools, linux-base (>= 3~), initramfs-tools (>= 0.99~) |
> linux-initramfs-tool
> Pre-Depends: debconf | debconf-2.0
> Recommends: firmware-linux-free (>= 3~)
> Suggests: linux-doc-3.1, grub-pc | extlinux | lilo (>= 22.8-8.2~)
> Breaks: initramfs-tools (<< 0.99~), lilo (<< 22.8-8.2~)
> Description: Linux 3.1 for 64-bit PCs
>  The Linux kernel 3.1 and modules for use on PCs with AMD64 or Intel 64
>  processors.
>  .
>  This kernel also runs on a Xen hypervisor.  It supports both privileged
>  (dom0) and unprivileged (domU) operation.
>
> 也是确认包含XEN的支持的,但是却不能执行xen的工具:
>
> root@vc:~# xl
> ERROR:  Can't find hypervisor information in sysfs!
>
> root@vc:~# xm
> ERROR:  Can't find hypervisor information in sysfs!
>
> 查看这些脚本后发现是因为目录 /sys/hypervisor 为空才出错的。
>



-- 
Liang Guo
http://bluestone.cublog.cn


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