Bug 1627891
| Summary: | unable to run systemd container | |||
|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Qian Cai <qcai> | |
| Component: | podman | Assignee: | Brent Baude <bbaude> | |
| Status: | CLOSED ERRATA | QA Contact: | Martin Jenner <mjenner> | |
| Severity: | high | Docs Contact: | ||
| Priority: | high | |||
| Version: | 7.6 | CC: | dornelas, dwalsh, fkluknav, jligon, lsm5, mheon, mjenner, mpatel, pthomas, umohnani, ypu | |
| Target Milestone: | rc | Keywords: | Extras, Regression | |
| Target Release: | --- | |||
| Hardware: | All | |||
| OS: | Linux | |||
| Whiteboard: | ||||
| Fixed In Version: | podman-0.10.1.2-1.git2b4f8d1.el7 | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | ||
| Clone Of: | 1626071 | |||
| : | 1640211 (view as bug list) | Environment: | ||
| Last Closed: | 2018-10-30 11:54:40 UTC | Type: | Bug | |
| Regression: | --- | Mount Type: | --- | |
| Documentation: | --- | CRM: | ||
| Verified Versions: | Category: | --- | ||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | ||
| Cloudforms Team: | --- | Target Upstream Version: | ||
| Embargoed: | ||||
| Bug Depends On: | 1626071 | |||
| Bug Blocks: | ||||
|
Description
Qian Cai
2018-09-11 19:14:48 UTC
We need a newer version of runc for rhel7. rpm -q runc? We are looking for runc-1.0.0-51.dev.gitfdd8055.fc28.x86_64 or later. Franticek it looks like a newer version of runc was built for rhel7.6, has this been released? There are 2 problems. One is that there is file not readable. # ls -l /sys/fs/cgroup/systemd/cgroup.event_control --w--w--w-. 1 root root 0 Sep 13 09:45 /sys/fs/cgroup/systemd/cgroup.event_control Hence, https://github.com/opencontainers/runc/blob/master/libcontainer/rootfs_linux.go mountToRootfs() -> fileutils.CopyDirectory(dest, tmpDir) -> CopyFile() -> io.Copy () will error out. tmpcopyup: failed to copy /var/lib/containers/storage/overlay/f4807fca11cef5fc2d95599f59b7c8ee9c804ef83408b95d8155b4ee82f39375/merged/sys/fs/cgroup/systemd to /tmp/runctop097532344/runctmpdir613014455: read /var/lib/containers/storage/overlay/f4807fca11cef5fc2d95599f59b7c8ee9c804ef83408b95d8155b4ee82f39375/merged/sys/fs/cgroup/systemd/cgroup.event_control: invalid argument so it need a patch in runc latest upstream to skip it during tmpcopyup(). # diff -u vendor/github.com/mrunalp/fileutils/fileutils.go.orig vendor/github.com/mrunalp/fileutils/fileutils.go --- vendor/github.com/mrunalp/fileutils/fileutils.go.orig 2018-09-13 10:32:28.435461780 -0400 +++ vendor/github.com/mrunalp/fileutils/fileutils.go 2018-09-13 11:02:46.372461780 -0400 @@ -58,6 +58,12 @@ } defer sf.Close() + data := make([]byte, 100) + _, err = sf.Read(data) + if err != nil { + return nil + } + df, err := os.Create(dest) if err != nil { return err Once applied the above patch, for some reasons /sys/fs/cgroup/systemd/ still have not been copy completely caused systemd not running properly in container. # podman exec systemd find /sys/fs/cgroup/systemd /sys/fs/cgroup/systemd /sys/fs/cgroup/systemd/machine.slice /sys/fs/cgroup/systemd/machine.slice/libpod-0649cfce13dd0f4f40e4d7a9afd596b8adad34ecffb13eebfb165ffd1e4421e2.scope /sys/fs/cgroup/systemd/tasks /sys/fs/cgroup/systemd/notify_on_release /sys/fs/cgroup/systemd/cgroup.procs /sys/fs/cgroup/systemd/cgroup.clone_children If I manually bind mount the path then, it works fine. # podman run --name systemd -v /sys/fs/cgroup/systemd:/sys/fs/cgroup/systemd:rw -d rhel7 init # podman exec systemd ps aux USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 1 0.0 0.1 43092 3244 ? Ss 15:08 0:00 init root 15 0.0 0.1 39080 1912 ? Ss 15:08 0:00 /usr/lib/systemd/systemd-journald dbus 23 0.0 0.1 58064 2084 ? Ss 15:08 0:00 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation root 39 0.0 0.0 51708 1716 ? Rs 15:15 0:00 ps aux For 2nd problem.
podman will setup /sys/fs/cgroup/systemd as a tmpfs.
{
"destination": "/sys/fs/cgroup/systemd",
"options": [
"rw",
"private",
"noexec",
"nosuid",
"nodev",
"tmpcopyup",
"size=65536k"
],
"source": "tmpfs",
"type": "tmpfs"
}
where end up with systemd did not spawn additional processes.
ps aux
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.1 42684 1912 ? Ss 18:37 0:00 /usr/sbin/init
root 14 0.0 0.0 51740 1728 ? Rs 18:38 0:00 ps aux
However, docker works fine with oci-systemd-hook. In oci-systemd-hook,
https://github.com/projectatomic/oci-systemd-hook/blob/master/src/systemdhook.c
/sys/fs/cgroup/systemd is actually bind mounted while /sys/fs/cgroup/ is a tmpfs,
if (bind_mount(id, CGROUP_SYSTEMD, systemd_path, true)) {
pr_perror("%s: Failed to bind mount %s on %s", id, CGROUP_SYSTEMD, systemd_path);
return -1;
}
named_path = get_process_cgroup_subsystem_path(id, pid, "name=systemd");
if (bind_mount(id, named_path, systemd_named_path, false)) {
pr_perror("%s: Failed to bind mount %s on %s", id, CGROUP_SYSTEMD, systemd_named_path);
return -1;
}
/* Mount tmpfs at new cgroup directory */
if (mount("tmpfs", cgroup_path, "tmpfs", MS_NODEV|MS_NOSUID, options) == -1) {
pr_perror("%s: Failed to mount tmpfs at %s", id, cgroup_path);
return -1;
}
Is this an oversight in podman?
I was able to get systemd to work without that, but I guess you expect the cgroup directory on the host to be bind mounted into the container. you expect /sys/fs/cgroup/systemd/machine.slice/libpod-UUID.scope/ to be mounted on /sys/fs/cgroup/systemd? Are you testing on a regular RHEL-7.6? No, I expect that podman works fine with systemd container without -v /sys/fs/cgroup/systemd:/sys/fs/cgroup/systemd:rw The problem is that during tmpcopyup of /sys/fs/cgroup/systemd, there is a lot of files there with RHEL-7.6 kernel not readable. Hence, tmpcopyup will fail on RHEL-7.6. It also looks like without those files been available in containers, systemd in container would refused to start properly. # cp -r /sys/fs/cgroup/systemd/ /tmp/ cp: error reading ‘/sys/fs/cgroup/systemd/myRuntime/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/myRuntime/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/machine.slice/libpod-09d66bf25488f1b3baab18e1fecf9788766e6894e40122a73d5a1e7405eb7b5a.scope/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/machine.slice/libpod-09d66bf25488f1b3baab18e1fecf9788766e6894e40122a73d5a1e7405eb7b5a.scope/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/machine.slice/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/machine.slice/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/user.slice/user-0.slice/session-26.scope/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/user.slice/user-0.slice/session-26.scope/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/user.slice/user-0.slice/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/user.slice/user-0.slice/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/user.slice/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/user.slice/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/var-lib-docker-overlay2.mount/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/var-lib-docker-overlay2.mount/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/var-lib-docker-containers.mount/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/var-lib-docker-containers.mount/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/docker.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/docker.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/rhel-push-plugin.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/rhel-push-plugin.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/dev-mapper-rhel_ibm\\x2d\\x2dp8\\x2d\\x2dstorage\\x2d\\x2d02\\x2d\\x2dguest\\x2d\\x2d15\\x2dswap.swap/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/dev-mapper-rhel_ibm\\x2d\\x2dp8\\x2d\\x2dstorage\\x2d\\x2d02\\x2d\\x2dguest\\x2d\\x2d15\\x2dswap.swap/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/dev-rhel_ibm\\x2dp8\\x2dstorage\\x2d02\\x2dguest\\x2d15-swap.swap/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/dev-rhel_ibm\\x2dp8\\x2dstorage\\x2d02\\x2dguest\\x2d15-swap.swap/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/dev-dm\\x2d1.swap/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/dev-dm\\x2d1.swap/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/dev-disk-by\\x2did-dm\\x2duuid\\x2dLVM\\x2d7qds57lHcYamhcf3Gi9WaAdjkQJdgZOw5hlaX0uai5YOQTCGrb2lcClg0ajDjThy.swap/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/dev-disk-by\\x2did-dm\\x2duuid\\x2dLVM\\x2d7qds57lHcYamhcf3Gi9WaAdjkQJdgZOw5hlaX0uai5YOQTCGrb2lcClg0ajDjThy.swap/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/dev-disk-by\\x2did-dm\\x2dname\\x2drhel_ibm\\x2d\\x2dp8\\x2d\\x2dstorage\\x2d\\x2d02\\x2d\\x2dguest\\x2d\\x2d15\\x2dswap.swap/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/dev-disk-by\\x2did-dm\\x2dname\\x2drhel_ibm\\x2d\\x2dp8\\x2d\\x2dstorage\\x2d\\x2d02\\x2d\\x2dguest\\x2d\\x2d15\\x2dswap.swap/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/dev-disk-by\\x2duuid-f7699125\\x2d6050\\x2d4b41\\x2d9968\\x2dc08798cd239d.swap/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/dev-disk-by\\x2duuid-f7699125\\x2d6050\\x2d4b41\\x2d9968\\x2dc08798cd239d.swap/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/root-rootfs.mount/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/root-rootfs.mount/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/run-netns.mount/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/run-netns.mount/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/kdump.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/kdump.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/chrony-wait.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/chrony-wait.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/rhnsd.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/rhnsd.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/crond.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/crond.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/network.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/network.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/rsyslog.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/rsyslog.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/sshd.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/sshd.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/tuned.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/tuned.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/postfix.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/postfix.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/rhsmcertd.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/rhsmcertd.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/NetworkManager-wait-online.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/NetworkManager-wait-online.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/sshd-keygen.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/sshd-keygen.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/-.mount/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/-.mount/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/sys-kernel-config.mount/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/sys-kernel-config.mount/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-vconsole-setup.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-vconsole-setup.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/rhel-dmesg.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/rhel-dmesg.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-user-sessions.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-user-sessions.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-update-utmp.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-update-utmp.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-logind.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-logind.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/NetworkManager.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/NetworkManager.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/dbus.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/dbus.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/rtas_errd.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/rtas_errd.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/chronyd.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/chronyd.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/polkit.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/polkit.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/irqbalance.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/irqbalance.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-tmpfiles-setup.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-tmpfiles-setup.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/auditd.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/auditd.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/rhel-import-state.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/rhel-import-state.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-update-done.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-update-done.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-journal-catalog-update.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-journal-catalog-update.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/home.mount/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/home.mount/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/lvm2-monitor.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/lvm2-monitor.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/boot.mount/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/boot.mount/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-udev-trigger.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-udev-trigger.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/system-lvm2\\x2dpvscan.slice/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/system-lvm2\\x2dpvscan.slice/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-hwdb-update.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-hwdb-update.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/rhel-readonly.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/rhel-readonly.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/rhel-domainname.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/rhel-domainname.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-journal-flush.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-journal-flush.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/lvm2-lvmetad.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/lvm2-lvmetad.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-tmpfiles-setup-dev.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-tmpfiles-setup-dev.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-random-seed.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-random-seed.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-udevd.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-udevd.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-remount-fs.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-remount-fs.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-sysctl.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-sysctl.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/kmod-static-nodes.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/kmod-static-nodes.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/system-getty.slice/getty/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/system-getty.slice/getty/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/system-getty.slice/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/system-getty.slice/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/dev-mqueue.mount/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/dev-mqueue.mount/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/sys-kernel-debug.mount/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/sys-kernel-debug.mount/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/system-serial\\x2dgetty.slice/serial-getty/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/system-serial\\x2dgetty.slice/serial-getty/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/system-serial\\x2dgetty.slice/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/system-serial\\x2dgetty.slice/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/system-selinux\\x2dpolicy\\x2dmigrate\\x2dlocal\\x2dchanges.slice/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/system-selinux\\x2dpolicy\\x2dmigrate\\x2dlocal\\x2dchanges.slice/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/systemd-journald.service/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/systemd-journald.service/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/system.slice/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/system.slice/cgroup.event_control’: Invalid argument cp: error reading ‘/sys/fs/cgroup/systemd/cgroup.event_control’: Invalid argument cp: failed to extend ‘/tmp/systemd/cgroup.event_control’: Invalid argument Maybe the easiest thing to do is to revert this podman commit,
commit 27ca091c08674b1a34058c9639d60455023ffa30
Date: Tue Aug 21 07:31:00 2018 -0400
Add proper support for systemd inside of podman
and let podman depends on oci-systemd-hook until some fixed tmpcopyup() in github.com/mrunalp/fileutils/fileutils.go properly.
This is still broken using podman-0.10.1.1-1.git4bea3e9.el7. # podman run -d --name systemd brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888/rhel7:7.6 /sbin/init RRO[0001] container create failed: container_linux.go:336: starting container process caused "process_linux.go:399: container init caused \"rootfs_linux.go:58: mounting \\\"/sys/fs/cgroup/systemd/libpod_parent/libpod-f442f1027f01a78a699c1352b8d06465d67c57386042484c2d46b4dc4dc3395d\\\" to rootfs \\\"/var/lib/containers/storage/overlay/cb3bb916810a2fa01e2f2e36b460f9f01995e212b4f80df44009a8f07695e596/merged\\\" at \\\"/sys/fs/cgroup/systemd\\\" caused \\\"stat /sys/fs/cgroup/systemd/libpod_parent/libpod-f442f1027f01a78a699c1352b8d06465d67c57386042484c2d46b4dc4dc3395d: no such file or directory\\\"\"" : internal libpod error I believe it has something to with this bind mount in the generated config.json.
{
"destination": "/sys/fs/cgroup/systemd",
"options": [
"bind",
"private"
],
"source": "/sys/fs/cgroup/systemd/libpod_parent/libpod-f442f1027f01a78a699c1352b8d06465d67c57386042484c2d46b4dc4dc3395d",
"type": "bind"
}
In order to generate that source path, it needs to pass "--cgroup-manager cgroupfs" to podman.
Qian can you try this against the podman in master? The new build works fine on s390x so far. Running on other arches... Test in x86_64 and seems it works with following command: # podman run --name systemd -d rhel7 init b76098d0b616662d3d39809b149182e09853c872b355a8fb9d9e66cfd2cb8fa9 So set this to verified. Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2018:3370 |