On 02/01/2017 12:42 PM, Karel Zak wrote: > On Wed, Feb 01, 2017 at 12:10:38PM +0100, Michal Soltys wrote: >> Hi, >> >> If I start a container by say systemd-nspawn (also tested with ubuntu >> through debootstrap): >> >> pacstrap -c -d arch base >> systemd-nspawn -b -D arch >> >> then findmnt without any arguments just returns one line (to be precise - it >> always seems to be the first mount under /sys/fs/cgroup), e.g.: >> >> /sys/fs/cgroup/devices cgroup cgroup ro,nosuid,nodev,noexec,relatime,devices > > 1) /proc/self/mountinfo content? > > 2) try: LIBMOUNT_DEBUG=all findmnt > > Karel > ad. 1 220 189 8:3 /arch / rw,relatime shared:50 - ext4 /dev/sda3 rw 221 220 0:17 / /sys ro,nosuid,nodev,noexec,relatime shared:51 - sysfs sysfs rw 222 220 0:52 / /dev rw,nosuid shared:52 - tmpfs tmpfs rw,mode=755 223 222 0:53 / /dev/shm rw,nosuid,nodev shared:53 - tmpfs tmpfs rw 224 222 0:56 / /dev/pts rw,nosuid,noexec,relatime shared:56 - devpts devpts rw,gid=5,mode=620,ptmxmode=666 225 222 0:21 /5 /dev/console rw,nosuid,noexec,relatime shared:57 master:4 - devpts devpts rw,gid=5,mode=620,ptmxmode=000 226 220 0:54 / /run rw,nosuid,nodev shared:54 - tmpfs tmpfs rw,mode=755 227 226 0:18 /systemd/nspawn/propagate/arch /run/systemd/nspawn/incoming ro,relatime master:11 - tmpfs run rw,mode=755 228 220 0:55 / /tmp rw shared:55 - tmpfs tmpfs rw 231 220 0:58 / /proc rw,nosuid,nodev,noexec,relatime shared:58 - proc proc rw 232 231 0:58 /sys /proc/sys ro,nosuid,nodev,noexec,relatime shared:58 - proc proc rw 233 231 0:58 /sysrq-trigger /proc/sysrq-trigger ro,nosuid,nodev,noexec,relatime shared:58 - proc proc rw 93 221 0:59 / /sys/fs/cgroup ro,nosuid,nodev,noexec shared:59 - tmpfs tmpfs ro,mode=755 94 93 0:29 / /sys/fs/cgroup/perf_event ro,nosuid,nodev,noexec,relatime shared:60 - cgroup cgroup rw,perf_event 95 93 0:31 / /sys/fs/cgroup/net_cls ro,nosuid,nodev,noexec,relatime shared:61 - cgroup cgroup rw,net_cls 96 93 0:30 / /sys/fs/cgroup/blkio ro,nosuid,nodev,noexec,relatime shared:62 - cgroup cgroup rw,blkio 98 93 0:33 / /sys/fs/cgroup/memory ro,nosuid,nodev,noexec,relatime shared:63 - cgroup cgroup rw,memory 99 93 0:32 / /sys/fs/cgroup/pids ro,nosuid,nodev,noexec,relatime shared:64 - cgroup cgroup rw,pids 100 93 0:27 / /sys/fs/cgroup/cpuset ro,nosuid,nodev,noexec,relatime shared:65 - cgroup cgroup rw,cpuset 101 93 0:25 / /sys/fs/cgroup/freezer ro,nosuid,nodev,noexec,relatime shared:66 - cgroup cgroup rw,freezer 102 93 0:28 / /sys/fs/cgroup/cpu,cpuacct ro,nosuid,nodev,noexec,relatime shared:67 - cgroup cgroup rw,cpu,cpuacct 103 93 0:26 / /sys/fs/cgroup/devices ro,nosuid,nodev,noexec,relatime shared:68 - cgroup cgroup rw,devices 104 93 0:23 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime shared:69 - cgroup cgroup rw,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd 105 232 0:54 /proc-sys-kernel-random-boot-id//deleted /proc/sys/kernel/random/boot_id ro,nosuid,nodev shared:54 - tmpfs tmpfs rw,mode=755 106 231 0:54 /proc-sys-kernel-random-boot-id//deleted /proc/sys/kernel/random/boot_id rw,nosuid,nodev shared:54 - tmpfs tmpfs rw,mode=755 107 231 0:54 /kmsg//deleted /proc/kmsg rw,nosuid,nodev shared:54 - tmpfs tmpfs rw,mode=755 97 222 0:57 / /dev/mqueue rw,relatime shared:70 - mqueue mqueue rw 108 222 0:60 / /dev/hugepages rw,relatime shared:71 - hugetlbfs hugetlbfs rw 109 226 0:61 / /run/user/0 rw,nosuid,nodev,relatime shared:72 - tmpfs tmpfs rw,size=1634120k,mode=700 ad. 2 65: libmount: INIT: library debug mask: 0xffff 65: libmount: INIT: library version: 2.29.1 65: libmount: INIT: feature: btrfs 65: libmount: INIT: feature: assert 65: libmount: INIT: feature: debug Available "LIBMOUNT_DEBUG=<name>[,...]|<mask>" debug masks: all [0xffff] : info about all subsystems cache [0x0004] : paths and tags cache cxt [0x0200] : library context (handler) diff [0x0400] : mountinfo changes tracking fs [0x0040] : FS abstraction help [0x0001] : this help locks [0x0010] : mtab and utab locking loop [0x2000] : loop devices routines options [0x0008] : mount options parsing tab [0x0020] : fstab, mtab, mountinfo routines update [0x0080] : mtab, utab updates utils [0x0100] : misc library utils monitor [0x0800] : mount tables monitor btrfs [0x1000] : btrfs specific routines 65: libmount: TAB: [0x1ede050]: alloc 65: libmount: TAB: [0x1ede050]: /proc/self/mountinfo: start parsing [entries=0, filter=not] 65: libmount: TAB: trying to guess table type 65: libmount: TAB: [0x1ede050]: add entry: /dev/sda3 / 65: libmount: CACHE: canonicalize path /proc/self/mountinfo 65: libmount: TAB: TID for /proc/self/mountinfo is 65 65: libmount: TAB: [0x1ede050]: add entry: sysfs /sys 65: libmount: TAB: [0x1ede050]: add entry: tmpfs /dev 65: libmount: TAB: [0x1ede050]: add entry: tmpfs /dev/shm 65: libmount: TAB: [0x1ede050]: add entry: devpts /dev/pts 65: libmount: TAB: [0x1ede050]: add entry: devpts /dev/console 65: libmount: TAB: [0x1ede050]: add entry: tmpfs /run 65: libmount: TAB: [0x1ede050]: add entry: run /run/systemd/nspawn/incoming 65: libmount: TAB: [0x1ede050]: add entry: tmpfs /tmp 65: libmount: TAB: [0x1ede050]: add entry: proc /proc 65: libmount: TAB: [0x1ede050]: add entry: proc /proc/sys 65: libmount: TAB: [0x1ede050]: add entry: proc /proc/sysrq-trigger 65: libmount: TAB: [0x1ede050]: add entry: tmpfs /sys/fs/cgroup 65: libmount: TAB: [0x1ede050]: add entry: cgroup /sys/fs/cgroup/perf_event 65: libmount: TAB: [0x1ede050]: add entry: cgroup /sys/fs/cgroup/net_cls 65: libmount: TAB: [0x1ede050]: add entry: cgroup /sys/fs/cgroup/blkio 65: libmount: TAB: [0x1ede050]: add entry: cgroup /sys/fs/cgroup/memory 65: libmount: TAB: [0x1ede050]: add entry: cgroup /sys/fs/cgroup/pids 65: libmount: TAB: [0x1ede050]: add entry: cgroup /sys/fs/cgroup/cpuset 65: libmount: TAB: [0x1ede050]: add entry: cgroup /sys/fs/cgroup/freezer 65: libmount: TAB: [0x1ede050]: add entry: cgroup /sys/fs/cgroup/cpu,cpuacct 65: libmount: TAB: [0x1ede050]: add entry: cgroup /sys/fs/cgroup/devices 65: libmount: TAB: [0x1ede050]: add entry: cgroup /sys/fs/cgroup/systemd 65: libmount: TAB: [0x1ede050]: add entry: tmpfs /proc/sys/kernel/random/boot_id 65: libmount: TAB: [0x1ede050]: add entry: tmpfs /proc/sys/kernel/random/boot_id 65: libmount: TAB: [0x1ede050]: add entry: tmpfs /proc/kmsg 65: libmount: TAB: [0x1ede050]: add entry: mqueue /dev/mqueue 65: libmount: TAB: [0x1ede050]: add entry: hugetlbfs /dev/hugepages 65: libmount: TAB: [0x1ede050]: add entry: tmpfs /run/user/0 65: libmount: FS: [0x1ee5200]: free [refcount=0] 65: libmount: TAB: [0x1ede050]: /proc/self/mountinfo: stop parsing (29 entries) 65: libmount: TAB: [0x1ede050]: parsing done [filename=/proc/self/mountinfo, rc=0] 65: libmount: CACHE: [0x1ee40f0]: alloc 65: libmount: TAB: [0x1ede050]: lookup root fs 65: libmount: TAB: [0x1ede050]: lookup next child of '/sys/fs/cgroup/perf_event' 65: libmount: TAB: [0x1ede050]: reset 65: libmount: FS: [0x1ede2e0]: free [refcount=0] 65: libmount: FS: [0x1edeb10]: free [refcount=0] 65: libmount: FS: [0x1edee90]: free [refcount=0] 65: libmount: FS: [0x1edf210]: free [refcount=0] 65: libmount: FS: [0x1edf590]: free [refcount=0] 65: libmount: FS: [0x1edf910]: free [refcount=0] 65: libmount: FS: [0x1edfd90]: free [refcount=0] 65: libmount: FS: [0x1ee0110]: free [refcount=0] 65: libmount: FS: [0x1ee0490]: free [refcount=0] 65: libmount: FS: [0x1ee0850]: free [refcount=0] 65: libmount: FS: [0x1ee0c20]: free [refcount=0] 65: libmount: FS: [0x1ee0ff0]: free [refcount=0] 65: libmount: FS: [0x1ee13c0]: free [refcount=0] 65: libmount: FS: [0x1ee1790]: free [refcount=0] 65: libmount: FS: [0x1ee1b30]: free [refcount=0] 65: libmount: FS: [0x1ee1ed0]: free [refcount=0] 65: libmount: FS: [0x1ee2270]: free [refcount=0] 65: libmount: FS: [0x1ee2610]: free [refcount=0] 65: libmount: FS: [0x1ee29b0]: free [refcount=0] 65: libmount: FS: [0x1ee2d50]: free [refcount=0] 65: libmount: FS: [0x1ee30f0]: free [refcount=0] 65: libmount: FS: [0x1ee3490]: free [refcount=0] 65: libmount: FS: [0x1ee3830]: free [refcount=0] 65: libmount: FS: [0x1ee3bd0]: free [refcount=0] 65: libmount: FS: [0x1ee3f70]: free [refcount=0] 65: libmount: FS: [0x1ee4310]: free [refcount=0] 65: libmount: FS: [0x1ee46e0]: free [refcount=0] 65: libmount: FS: [0x1ee4aa0]: free [refcount=0] 65: libmount: FS: [0x1ee4e60]: free [refcount=0] 65: libmount: TAB: [0x1ede050]: free [refcount=0] 65: libmount: CACHE: [0x1ee40f0]: free [refcount=0] TARGET SOURCE FSTYPE OPTIONS /sys/fs/cgroup/perf_event cgroup cgroup ro,nosuid,nodev,noexec,relatime,perf_event -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
