Hello! This problem also manifested itself in me. I performed the
following commands
sudo apt-get install lxc
sudo lxc-create -t ubuntu -n p1
sudo lxc-kill -n p1 ==== lxc-kill: command not found
sudo lxc-stop -n p1 == execution hangs
sudo strace -f lxc-stop -k -n p1
execve("/usr/bin/lxc-stop", ["lxc-stop", "-k", "-n", "p1"], [/* 26 vars */]) = 0
brk(0) = 0xb9438000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb777f000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=106845, ...}) = 0
mmap2(NULL, 106845, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7764000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/i386-linux-gnu/liblxc.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200\205\0\0004\0\0\0"..., 512)
= 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=429132, ...}) = 0
mmap2(NULL, 427812, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb76fb000
mmap2(0xb7762000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x67000) = 0xb7762000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\340\233\1\0004\0\0\0"..., 512)
= 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1758972, ...}) = 0
mmap2(NULL, 1768060, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb754b000
mprotect(0xb76f4000, 4096, PROT_NONE) = 0
mmap2(0xb76f5000, 12288, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1a9000) = 0xb76f5000
mmap2(0xb76f8000, 10876, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb76f8000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libcap.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\320\16\0\0004\0\0\0"..., 512)
= 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=18048, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb754a000
mmap2(NULL, 20824, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7544000
mmap2(0xb7548000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0xb7548000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/i386-linux-gnu/libapparmor.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\300\20\0\0004\0\0\0"..., 512)
= 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=42820, ...}) = 0
mmap2(NULL, 45564, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7538000
mmap2(0xb7542000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x9000) = 0xb7542000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libselinux.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0pF\0\0004\0\0\0"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=133072, ...}) = 0
mmap2(NULL, 142348, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7515000
mmap2(0xb7535000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1f000) = 0xb7535000
mmap2(0xb7537000, 3084, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7537000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/i386-linux-gnu/libseccomp.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\2208\0\0004\0\0\0"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=62912, ...}) = 0
mmap2(NULL, 65636, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7504000
mmap2(0xb7511000, 16384, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xc000) = 0xb7511000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libcgmanager.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0p \0\0004\0\0\0"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=116028, ...}) = 0
mmap2(NULL, 118800, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb74e6000
mmap2(0xb7502000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b000) = 0xb7502000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libnih.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\2604\0\0004\0\0\0"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=95616, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb74e5000
mmap2(NULL, 98612, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb74cc000
mmap2(0xb74e3000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0xb74e3000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libnih-dbus.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\300 \0\0004\0\0\0"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=34168, ...}) = 0
mmap2(NULL, 36884, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb74c2000
mmap2(0xb74ca000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0xb74ca000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libdbus-1.so.3", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0pO\0\0004\0\0\0"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=300888, ...}) = 0
mmap2(NULL, 303932, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7477000
mmap2(0xb74c0000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x48000) = 0xb74c0000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libutil.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\220\n\0\0004\0\0\0"..., 512) =
512
fstat64(3, {st_mode=S_IFREG|0644, st_size=9816, ...}) = 0
mmap2(NULL, 12428, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7473000
mmap2(0xb7475000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0xb7475000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\320]\0\0004\0\0\0"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=130518, ...}) = 0
mmap2(NULL, 111276, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7457000
mmap2(0xb746f000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x17000) = 0xb746f000
mmap2(0xb7471000, 4780, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7471000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libpcre.so.3", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200\20\0\0004\0\0\0"..., 512)
= 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=247196, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7456000
mmap2(NULL, 249952, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7418000
mmap2(0xb7454000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3b000) = 0xb7454000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\320\n\0\0004\0\0\0"..., 512) =
512
fstat64(3, {st_mode=S_IFREG|0644, st_size=13856, ...}) = 0
mmap2(NULL, 16512, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7413000
mmap2(0xb7416000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0xb7416000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/librt.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\260\31\0\0004\0\0\0"..., 512)
= 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=30696, ...}) = 0
mmap2(NULL, 33352, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb740a000
mmap2(0xb7411000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0xb7411000
close(3) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7409000
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7408000
set_thread_area({entry_number:-1 -> 6, base_addr:0xb74087c0, limit:1048575,
seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0,
useable:1}) = 0
mprotect(0xb76f5000, 8192, PROT_READ) = 0
mprotect(0xb746f000, 4096, PROT_READ) = 0
mprotect(0xb7411000, 4096, PROT_READ) = 0
mprotect(0xb7416000, 4096, PROT_READ) = 0
mprotect(0xb7454000, 4096, PROT_READ) = 0
mprotect(0xb7475000, 4096, PROT_READ) = 0
mprotect(0xb74c0000, 4096, PROT_READ) = 0
mprotect(0xb74e3000, 4096, PROT_READ) = 0
mprotect(0xb74ca000, 4096, PROT_READ) = 0
mprotect(0xb7502000, 4096, PROT_READ) = 0
mprotect(0xb7511000, 12288, PROT_READ) = 0
mprotect(0xb7535000, 4096, PROT_READ) = 0
mprotect(0xb7542000, 4096, PROT_READ) = 0
mprotect(0xb7548000, 4096, PROT_READ) = 0
mprotect(0xb7762000, 4096, PROT_READ) = 0
mprotect(0xb77a6000, 4096, PROT_READ) = 0
mprotect(0xb77a2000, 4096, PROT_READ) = 0
munmap(0xb7764000, 106845) = 0
set_tid_address(0xb7408828) = 7647
set_robust_list(0xb7408830, 12) = 0
futex(0xbffd3ed4, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, NULL,
b74087c0) = -1 EAGAIN (Resource temporarily unavailable)
rt_sigaction(SIGRTMIN, {0xb745c7d0, [], SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0xb745c850, [], SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
uname({sys="Linux", node="ivan-Satellite-A40", ...}) = 0
statfs64("/sys/fs/selinux", 84, 0xbffd406c) = -1 ENOENT (No such file or
directory)
statfs64("/selinux", 84, 0xbffd406c) = -1 ENOENT (No such file or directory)
brk(0) = 0xb9438000
brk(0xb9459000) = 0xb9459000
open("/proc/filesystems", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb777e000
read(3, "nodev\tsysfs\nnodev\trootfs\nnodev\tr"..., 1024) = 343
read(3, "", 1024) = 0
close(3) = 0
munmap(0xb777e000, 4096) = 0
open("/proc/self/cgroup", O_RDONLY|O_CLOEXEC) = 3
fcntl64(3, F_GETFL) = 0 (flags O_RDONLY)
fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb777e000
_llseek(3, 0, [0], SEEK_CUR) = 0
read(3, "11:hugetlb:/user/1000.user/c2.se"..., 1024) = 372
read(3, "", 1024) = 0
close(3) = 0
munmap(0xb777e000, 4096) = 0
clock_getres(CLOCK_MONOTONIC, {0, 1}) = 0
getresuid32([0], [0], [0]) = 0
getresgid32([0], [0], [0]) = 0
socket(PF_LOCAL, SOCK_STREAM|SOCK_CLOEXEC, 0) = 3
connect(3, {sa_family=AF_LOCAL, sun_path="/sys/fs/cgroup/cgmanager/sock"}, 31)
= 0
fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR)
fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0
geteuid32() = 0
getsockname(3, {sa_family=AF_LOCAL, NULL}, [2]) = 0
poll([{fd=3, events=POLLOUT}], 1, 0) = 1 ([{fd=3, revents=POLLOUT}])
send(3, "\0", 1, MSG_NOSIGNAL) = 1
send(3, "AUTH EXTERNAL 30\r\n", 18, MSG_NOSIGNAL) = 18
poll([{fd=3, events=POLLIN}], 1, -1) = 1 ([{fd=3, revents=POLLIN}])
read(3, "OK 991ae3692e436944b196d8ee53ec7"..., 2048) = 37
poll([{fd=3, events=POLLOUT}], 1, -1) = 1 ([{fd=3, revents=POLLOUT}])
send(3, "NEGOTIATE_UNIX_FD\r\n", 19, MSG_NOSIGNAL) = 19
poll([{fd=3, events=POLLIN}], 1, -1) = 1 ([{fd=3, revents=POLLIN}])
read(3, "AGREE_UNIX_FD\r\n", 2048) = 15
poll([{fd=3, events=POLLOUT}], 1, -1) = 1 ([{fd=3, revents=POLLOUT}])
send(3, "BEGIN\r\n", 7, MSG_NOSIGNAL) = 7
poll([{fd=3, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=3, revents=POLLOUT}])
sendmsg(3, {msg_name(0)=NULL,
msg_iov(2)=[{"l\1\0\0018\0\0\0\1\0\0\0h\0\0\0\1\1o\0\36\0\0\0/org/lin"...,
120}, {" \0\0\0org.linuxcontainers.cgmanage"..., 56}], msg_controllen=0,
msg_flags=0}, MSG_NOSIGNAL) = 176
clock_gettime(CLOCK_MONOTONIC, {8592, 615991941}) = 0
poll([{fd=3, events=POLLIN}], 1, 25000) = 1 ([{fd=3, revents=POLLIN}])
recvmsg(3, {msg_name(0)=NULL,
msg_iov(1)=[{"l\2\1\1\10\0\0\0\1\0\0\0\17\0\0\0\5\1u\0\1\0\0\0\10\1g\0\1v\0\0"...,
2048}], msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 40
recvmsg(3, 0xbffd3d70, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily
unavailable)
geteuid32() = 0
sendmsg(3, {msg_name(0)=NULL,
msg_iov(2)=[{"l\1\0\1\30\0\0\0\2\0\0\0y\0\0\0\1\1o\0\36\0\0\0/org/lin"...,
144}, {"\7\0\0\0hugetlb\0\1\0\0\0/\0\0\0\337\35\0\0", 24}], msg_controllen=0,
msg_flags=0}, MSG_NOSIGNAL) = 168
clock_gettime(CLOCK_MONOTONIC, {8592, 618285222}) = 0
poll([{fd=3, events=POLLIN}], 1, 25000) = 1 ([{fd=3, revents=POLLIN}])
recvmsg(3, {msg_name(0)=NULL,
msg_iov(1)=[{"l\2\1\1\0\0\0\0\2\0\0\0\10\0\0\0\5\1u\0\2\0\0\0", 2048}],
msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 24
recvmsg(3, 0xbffd3e20, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily
unavailable)
sendmsg(3, {msg_name(0)=NULL,
msg_iov(2)=[{"l\1\0\1\34\0\0\0\3\0\0\0y\0\0\0\1\1o\0\36\0\0\0/org/lin"...,
144}, {"\n\0\0\0perf_event\0\0\1\0\0\0/\0\0\0\337\35\0\0", 28}],
msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL) = 172
clock_gettime(CLOCK_MONOTONIC, {8592, 619529607}) = 0
poll([{fd=3, events=POLLIN}], 1, 25000) = 1 ([{fd=3, revents=POLLIN}])
recvmsg(3, {msg_name(0)=NULL,
msg_iov(1)=[{"l\2\1\1\0\0\0\0\3\0\0\0\10\0\0\0\5\1u\0\3\0\0\0", 2048}],
msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 24
recvmsg(3, 0xbffd3e20, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily
unavailable)
sendmsg(3, {msg_name(0)=NULL,
msg_iov(2)=[{"l\1\0\1\30\0\0\0\4\0\0\0y\0\0\0\1\1o\0\36\0\0\0/org/lin"...,
144}, {"\5\0\0\0blkio\0\0\0\1\0\0\0/\0\0\0\337\35\0\0", 24}], msg_controllen=0,
msg_flags=0}, MSG_NOSIGNAL) = 168
clock_gettime(CLOCK_MONOTONIC, {8592, 620071027}) = 0
poll([{fd=3, events=POLLIN}], 1, 25000) = 1 ([{fd=3, revents=POLLIN}])
recvmsg(3, {msg_name(0)=NULL,
msg_iov(1)=[{"l\2\1\1\0\0\0\0\4\0\0\0\10\0\0\0\5\1u\0\4\0\0\0", 2048}],
msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 24
recvmsg(3, 0xbffd3e20, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily
unavailable)
sendmsg(3, {msg_name(0)=NULL,
msg_iov(2)=[{"l\1\0\1\30\0\0\0\5\0\0\0y\0\0\0\1\1o\0\36\0\0\0/org/lin"...,
144}, {"\7\0\0\0freezer\0\1\0\0\0/\0\0\0\337\35\0\0", 24}], msg_controllen=0,
msg_flags=0}, MSG_NOSIGNAL) = 168
clock_gettime(CLOCK_MONOTONIC, {8592, 620564535}) = 0
poll([{fd=3, events=POLLIN}], 1, 25000) = 1 ([{fd=3, revents=POLLIN}])
recvmsg(3, {msg_name(0)=NULL,
msg_iov(1)=[{"l\2\1\1\0\0\0\0\5\0\0\0\10\0\0\0\5\1u\0\5\0\0\0", 2048}],
msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 24
recvmsg(3, 0xbffd3e20, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily
unavailable)
sendmsg(3, {msg_name(0)=NULL,
msg_iov(2)=[{"l\1\0\1\30\0\0\0\6\0\0\0y\0\0\0\1\1o\0\36\0\0\0/org/lin"...,
144}, {"\7\0\0\0devices\0\1\0\0\0/\0\0\0\337\35\0\0", 24}], msg_controllen=0,
msg_flags=0}, MSG_NOSIGNAL) = 168
clock_gettime(CLOCK_MONOTONIC, {8592, 624324371}) = 0
poll([{fd=3, events=POLLIN}], 1, 25000) = 1 ([{fd=3, revents=POLLIN}])
recvmsg(3, {msg_name(0)=NULL,
msg_iov(1)=[{"l\2\1\1\0\0\0\0\6\0\0\0\10\0\0\0\5\1u\0\6\0\0\0", 2048}],
msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 24
recvmsg(3, 0xbffd3e20, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily
unavailable)
sendmsg(3, {msg_name(0)=NULL,
msg_iov(2)=[{"l\1\0\1\30\0\0\0\7\0\0\0y\0\0\0\1\1o\0\36\0\0\0/org/lin"...,
144}, {"\6\0\0\0memory\0\0\1\0\0\0/\0\0\0\337\35\0\0", 24}], msg_controllen=0,
msg_flags=0}, MSG_NOSIGNAL) = 168
clock_gettime(CLOCK_MONOTONIC, {8592, 624828145}) = 0
poll([{fd=3, events=POLLIN}], 1, 25000) = 1 ([{fd=3, revents=POLLIN}])
recvmsg(3, {msg_name(0)=NULL,
msg_iov(1)=[{"l\2\1\1\0\0\0\0\7\0\0\0\10\0\0\0\5\1u\0\7\0\0\0", 2048}],
msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 24
recvmsg(3, 0xbffd3e20, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily
unavailable)
sendmsg(3, {msg_name(0)=NULL,
msg_iov(2)=[{"l\1\0\1\30\0\0\0\10\0\0\0y\0\0\0\1\1o\0\36\0\0\0/org/lin"...,
144}, {"\7\0\0\0cpuacct\0\1\0\0\0/\0\0\0\337\35\0\0", 24}], msg_controllen=0,
msg_flags=0}, MSG_NOSIGNAL) = 168
clock_gettime(CLOCK_MONOTONIC, {8592, 625318509}) = 0
poll([{fd=3, events=POLLIN}], 1, 25000) = 1 ([{fd=3, revents=POLLIN}])
recvmsg(3, {msg_name(0)=NULL,
msg_iov(1)=[{"l\2\1\1\0\0\0\0\10\0\0\0\10\0\0\0\5\1u\0\10\0\0\0", 2048}],
msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 24
recvmsg(3, 0xbffd3e20, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily
unavailable)
sendmsg(3, {msg_name(0)=NULL,
msg_iov(2)=[{"l\1\0\1\24\0\0\0\t\0\0\0y\0\0\0\1\1o\0\36\0\0\0/org/lin"...,
144}, {"\3\0\0\0cpu\0\1\0\0\0/\0\0\0\337\35\0\0", 20}], msg_controllen=0,
msg_flags=0}, MSG_NOSIGNAL) = 164
clock_gettime(CLOCK_MONOTONIC, {8592, 625806778}) = 0
poll([{fd=3, events=POLLIN}], 1, 25000) = 1 ([{fd=3, revents=POLLIN}])
recvmsg(3, {msg_name(0)=NULL,
msg_iov(1)=[{"l\2\1\1\0\0\0\0\t\0\0\0\10\0\0\0\5\1u\0\t\0\0\0", 2048}],
msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 24
recvmsg(3, 0xbffd3e20, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily
unavailable)
sendmsg(3, {msg_name(0)=NULL,
msg_iov(2)=[{"l\1\0\1\30\0\0\0\n\0\0\0y\0\0\0\1\1o\0\36\0\0\0/org/lin"...,
144}, {"\6\0\0\0cpuset\0\0\1\0\0\0/\0\0\0\337\35\0\0", 24}], msg_controllen=0,
msg_flags=0}, MSG_NOSIGNAL) = 168
clock_gettime(CLOCK_MONOTONIC, {8592, 626275072}) = 0
poll([{fd=3, events=POLLIN}], 1, 25000) = 1 ([{fd=3, revents=POLLIN}])
recvmsg(3, {msg_name(0)=NULL,
msg_iov(1)=[{"l\2\1\1\0\0\0\0\n\0\0\0\10\0\0\0\5\1u\0\n\0\0\0", 2048}],
msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 24
recvmsg(3, 0xbffd3e20, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily
unavailable)
sendmsg(3, {msg_name(0)=NULL, msg_iov(2)=[{"l\1\0\1
\0\0\0\v\0\0\0y\0\0\0\1\1o\0\36\0\0\0/org/lin"..., 144},
{"\f\0\0\0name=systemd\0\0\0\0\1\0\0\0/\0\0\0\337\35\0\0", 32}],
msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL) = 176
clock_gettime(CLOCK_MONOTONIC, {8592, 626929286}) = 0
poll([{fd=3, events=POLLIN}], 1, 25000) = 1 ([{fd=3, revents=POLLIN}])
recvmsg(3, {msg_name(0)=NULL,
msg_iov(1)=[{"l\2\1\1\0\0\0\0\v\0\0\0\10\0\0\0\5\1u\0\v\0\0\0", 2048}],
msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 24
recvmsg(3, 0xbffd3e20, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily
unavailable)
close(3) = 0
stat64("/sys/kernel/security/apparmor/features/mount/mask",
{st_mode=S_IFREG|0444, st_size=0, ...}) = 0
open("/sys/module/apparmor/parameters/enabled", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb777e000
read(3, "Y\n", 4096) = 2
close(3) = 0
munmap(0xb777e000, 4096) = 0
geteuid32() = 0
open("/etc/lxc/lxc.conf", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or
directory)
geteuid32() = 0
geteuid32() = 0
access("/var", F_OK) = 0
access("/var/log", F_OK) = 0
access("/var/log/lxc", F_OK) = 0
getuid32() = 0
open("/var/log/lxc/p1.log", O_WRONLY|O_CREAT|O_APPEND|O_CLOEXEC, 0666) = 3
getuid32() = 0
geteuid32() = 0
mkdir("/", 0755) = -1 EEXIST (File exists)
mkdir("/run/", 0755) = -1 EEXIST (File exists)
mkdir("/run/lock/", 0755) = -1 EEXIST (File exists)
mkdir("/run/lock/lxc//", 0755) = -1 EEXIST (File exists)
mkdir("/run/lock/lxc//var/", 0755) = -1 EEXIST (File exists)
mkdir("/run/lock/lxc//var/lib/", 0755) = -1 EEXIST (File exists)
mkdir("/run/lock/lxc//var/lib/lxc", 0755) = -1 EEXIST (File exists)
stat64("/var/lib/lxc/p1/config", {st_mode=S_IFREG|0644, st_size=540, ...}) = 0
open("/run/lock/lxc//var/lib/lxc/p1", O_RDWR|O_CREAT, 0600) = 4
fcntl64(4, F_SETLKW, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}) = 0
access("/var/lib/lxc/p1/config", R_OK) = 0
open("/var/lib/lxc/p1/config", O_RDONLY) = 5
fstat64(5, {st_mode=S_IFREG|0644, st_size=540, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb777e000
read(5, "# Template used to create this c"..., 4096) = 540
access("/usr/share/lxc/config/ubuntu.common.conf", R_OK) = 0
open("/usr/share/lxc/config/ubuntu.common.conf", O_RDONLY) = 6
fstat64(6, {st_mode=S_IFREG|0644, st_size=2661, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb777d000
read(6, "# Default pivot location\nlxc.piv"..., 4096) = 2661
read(6, "", 4096) = 0
close(6) = 0
munmap(0xb777d000, 4096) = 0
time(NULL) = 1408015598
open("/dev/urandom", O_RDONLY) = 6
fstat64(6, {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 9), ...}) = 0
ioctl(6, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
0xbffd3cd8) = -1 EINVAL (Invalid argument)
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb777d000
read(6,
"\221+^Th*\3\36\210h\202\367\371\354\220CW\372\250+u\2]%]\241\233\0314\224\37\1"...,
4096) = 4096
close(6) = 0
munmap(0xb777d000, 4096) = 0
read(5, "", 4096) = 0
close(5) = 0
munmap(0xb777e000, 4096) = 0
fcntl64(4, F_SETLK, {type=F_UNLCK, whence=SEEK_SET, start=0, len=0}) = 0
close(4) = 0
stat64("/var/lib/lxc/p1/partial", 0xbffd3f40) = -1 ENOENT (No such file or
directory)
socket(PF_LOCAL, SOCK_STREAM, 0) = 4
connect(4, {sa_family=AF_LOCAL, sun_path=@"/var/lib/lxc/p1/command"}, 26) = 0
getuid32() = 0
getgid32() = 0
sendmsg(4, {msg_name(0)=NULL, msg_iov(1)=[{"\4\0\0\0\0\0\0\0\0\0\0\0", 12}],
msg_controllen=24, {cmsg_len=24, cmsg_level=SOL_SOCKET,
cmsg_type=SCM_CREDENTIALS{pid=7647, uid=0, gid=0}}, msg_flags=0}, MSG_NOSIGNAL)
= 12
recvmsg(4,
sudo lxc-stop -l info -o outout -n p1 == execution hangs
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Server Team, which is subscribed to lxc in Ubuntu.
https://bugs.launchpad.net/bugs/1261338
Title:
lxc-stop and even lxc-stop -k can hang
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