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The test case for lazy-pages in runc still needs:
sed -i 's;"readonly": true;"readonly": false;' config.json
Without this change I am seeing following error during dumping:
# (00.058834) mnt: 206: 30:/ @ ./sys/fs/cgroup
# (00.058837) mnt: Mount is not fully visible ./sys/fs/cgroup
# (00.058873) mnt: mount has children ./sys/fs/cgroup
# (00.058899) Error (criu/mount.c:1119): mnt: Can't create a temporary directory: Read-only file system
# (00.058906) mnt: mount is overmounted or has children ./sys/fs/cgroup
# (00.066086) mnt: 205: 2f:/ @ ./sys
# (00.066099) mnt: 204: 2a:/ @ ./dev/mqueue
# (00.066132) mnt: 203: 2e:/ @ ./dev/shm
# (00.069285) mnt: 202: 2d:/ @ ./dev/pts
# (00.069297) mnt: 201: 2c:/ @ ./dev
# (00.069300) mnt: Mount is not fully visible ./dev
# (00.069325) mnt: mount has children ./dev
# (00.069337) Error (criu/mount.c:1119): mnt: Can't create a temporary directory: Read-only file system
# (00.069341) mnt: mount is overmounted or has children ./dev
# (00.076074) mnt: 200: 2b:/ @ ./proc
# (00.076086) mnt: 199: 800001:/tmp/busyboxtest/rootfs @ ./
# (00.076106) Dumping file-locks
Is this something we can fix in CRIU?
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