when do remount,the source and target should be the same values specified in the initial mount() call. So change fs->dst to src. Signed-off-by: Gao feng&lt;gaofeng(a)cn.fujitsu.com&gt; --- src/lxc/lxc_container.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c index 506eb43..cd15ca4 100644 --- a/src/lxc/lxc_container.c +++ b/src/lxc/lxc_container.c @@ -744,7 +744,7 @@ static int lxcContainerMountFSBind(virDomainFSDefPtr fs, if (fs->readonly) { VIR_DEBUG("Binding %s readonly", fs->dst); - if (mount(fs->dst, fs->dst, NULL, MS_BIND|MS_REMOUNT|MS_RDONLY, NULL)< 0) { + if (mount(src, fs->dst, NULL, MS_BIND|MS_REMOUNT|MS_RDONLY, NULL)< 0) { virReportSystemError(errno, _("Failed to make directory %s readonly"), fs->dst);