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Re: [libvirt] [PATCH] libvirt: lxc: don't mkdir when selinux is disabled



On 2013/01/09 19:20, Gao feng wrote:
> libvirt lxc will fail to start when selinux is disabled.
> error: Failed to start domain noroot
> error: internal error guest failed to start: PATH=/bin:/sbin TERM=linux container=lxc-libvirt container_uuid=b9873916-3516-c199-8112-1592ff694a9e LIBVIRT_LXC_UUID=b9873916-3516-c199-8112-1592ff694a9e LIBVIRT_LXC_NAME=noroot /bin/sh
> 2013-01-09 11:04:05.384+0000: 1: info : libvirt version: 1.0.1
> 2013-01-09 11:04:05.384+0000: 1: error : lxcContainerMountBasicFS:546 : Failed to mkdir /sys/fs/selinux: No such file or directory
> 2013-01-09 11:04:05.384+0000: 7536: info : libvirt version: 1.0.1
> 2013-01-09 11:04:05.384+0000: 7536: error : virLXCControllerRun:1466 : error receiving signal from container: Input/output error
> 2013-01-09 11:04:05.404+0000: 7536: error : virCommandWait:2287 : internal error Child process (ip link del veth1) unexpected exit status 1: Cannot find device "veth1"
> 
> fix this problem by checking if selinuxfs is mounted
> in host before we try to create dir /sys/fs/selinux.
> 
> Signed-off-by: Gao feng <gaofeng cn fujitsu com>
> ---

Ping...

>  src/lxc/lxc_container.c | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
> index 9f22923..d7f4960 100644
> --- a/src/lxc/lxc_container.c
> +++ b/src/lxc/lxc_container.c
> @@ -540,13 +540,6 @@ static int lxcContainerMountBasicFS(bool pivotRoot,
>          VIR_DEBUG("Processing %s -> %s",
>                    mnts[i].src, mnts[i].dst);
>  
> -        if (virFileMakePath(mnts[i].dst) < 0) {
> -            virReportSystemError(errno,
> -                                 _("Failed to mkdir %s"),
> -                                 mnts[i].src);
> -            goto cleanup;
> -        }
> -
>          srcpath = mnts[i].src;
>  
>          /* Skip if mount doesn't exist in source */
> @@ -554,6 +547,13 @@ static int lxcContainerMountBasicFS(bool pivotRoot,
>              (access(srcpath, R_OK) < 0))
>              continue;
>  
> +        if (virFileMakePath(mnts[i].dst) < 0) {
> +            virReportSystemError(errno,
> +                                 _("Failed to mkdir %s"),
> +                                 mnts[i].src);
> +            goto cleanup;
> +        }
> +
>          VIR_DEBUG("Mount %s on %s type=%s flags=%x, opts=%s",
>                    srcpath, mnts[i].dst, mnts[i].type, mnts[i].mflags, mnts[i].opts);
>          if (mount(srcpath, mnts[i].dst, mnts[i].type, mnts[i].mflags, mnts[i].opts) < 0) {
> 


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