diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c index 4e4388b101..dcd65efe34 100644 --- a/src/lxc/lxc_container.c +++ b/src/lxc/lxc_container.c @@ -555,18 +555,23 @@ static int lxcContainerPopulateDevices(char **ttyPaths, size_t nttyPaths) } } - dev_t dev = makedev(LXC_DEV_MAJ_TTY, LXC_DEV_MIN_PTMX); - if (mknod("/dev/ptmx", S_IFCHR, dev) < 0 || - chmod("/dev/ptmx", 0666)) { - virReportSystemError(errno, "%s", - _("Failed to make device /dev/ptmx")); - return -1; - } - if (access("/dev/pts/ptmx", W_OK) == 0) { + /* We have private devpts capability, so bind that */ + if (virFileTouch("/dev/ptmx", 0666) < 0) + return -1; + if (mount("/dev/pts/ptmx", "/dev/ptmx", "ptmx", MS_BIND, NULL) < 0) { virReportSystemError(errno, "%s", - _("Failed to bind-mount /dev/ptmx to /dev/pts/ptmx")); + _("Failed to bind /dev/pts/ptmx on to /dev/ptmx")); + return -1; + } + } else { + /* Legacy devpts, so we need to just use shared one */ + dev_t dev = makedev(LXC_DEV_MAJ_TTY, LXC_DEV_MIN_PTMX); + if (mknod("/dev/ptmx", S_IFCHR, dev) < 0 || + chmod("/dev/ptmx", 0666)) { + virReportSystemError(errno, "%s", + _("Failed to make device /dev/ptmx")); return -1; } }