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Re: [Xen-users] /etc/init.d/xencommons start hangs



Hi dario:
  I suppose the xen-init-dom0 needs to communicate with xenstored using some
sort of local socket?  Apparetnly xenstored didn't start succesfully, so
that might be the cause of xen-init-dom0 hangs?

Anyway, I tried "strace xenstored", here is the result:

strace xenstored
execve("/usr/local/sbin/xenstored", ["xenstored"], [/* 19 vars */]) = 0
brk(0)                                  = 0x17a84000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f947fc000
faccessat(AT_FDCWD, "/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or
directory)
openat(AT_FDCWD, "/usr/local/lib/tls/aarch64/libxenevtchn.so.1",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/tls/aarch64", 0x7fcac528d0, 0) = -1
ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/tls/libxenevtchn.so.1", O_RDONLY|O_CLOEXEC)
= -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/tls", 0x7fcac528d0, 0) = -1 ENOENT (No
such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64/libxenevtchn.so.1",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/aarch64", 0x7fcac528d0, 0) = -1 ENOENT
(No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/libxenevtchn.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0p\v\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0755, st_size=105664, ...}) = 0
mmap(NULL, 70696, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f947be000
mprotect(0x7f947c0000, 61440, PROT_NONE) = 0
mmap(0x7f947cf000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7f947cf000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxengnttab.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\240\r\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=123760, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f947fb000
mmap(NULL, 74520, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f947ab000
mprotect(0x7f947ad000, 65536, PROT_NONE) = 0
mmap(0x7f947bd000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f947bd000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxenctrl.so.4.11", O_RDONLY|O_CLOEXEC) =
3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\320\203\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=857184, ...}) = 0
mmap(NULL, 223328, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f94774000
mprotect(0x7f9479a000, 65536, PROT_NONE) = 0
mmap(0x7f947aa000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x26000) = 0x7f947aa000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/librt.so.1", O_RDONLY|O_CLOEXEC) = -1
ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/tls/aarch64/librt.so.1",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/tls/aarch64",
0x7fcac52840, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/tls/librt.so.1",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/tls", 0x7fcac52840,
0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/aarch64/librt.so.1",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/aarch64",
0x7fcac52840, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/librt.so.1",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu",
{st_mode=S_IFDIR|0755, st_size=8192, ...}, 0) = 0
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=25330, ...}) = 0
mmap(NULL, 25330, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f947f4000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/librt.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\0\36\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=82248, ...}) = 0
mmap(NULL, 131904, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f94753000
mprotect(0x7f94759000, 102400, PROT_NONE) = 0
mmap(0x7f94772000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf000) = 0x7f94772000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT
(No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/libc.so.6",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\210\16\2\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1880736, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f947f3000
mmap(NULL, 1594304, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f945cd000
mprotect(0x7f9472c000, 118784, PROT_NONE) = 0
mmap(0x7f94749000, 24576, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16c000) = 0x7f94749000
mmap(0x7f9474f000, 13248, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f9474f000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxentoollog.so.1", O_RDONLY|O_CLOEXEC) =
3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0p\f\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0755, st_size=74760, ...}) = 0
mmap(NULL, 73056, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f945bb000
mprotect(0x7f945bd000, 61440, PROT_NONE) = 0
mmap(0x7f945cc000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7f945cc000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxentoolcore.so.1", O_RDONLY|O_CLOEXEC) =
3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\240\7\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=83592, ...}) = 0
mmap(NULL, 69192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f945aa000
mprotect(0x7f945ab000, 61440, PROT_NONE) = 0
mmap(0x7f945ba000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0) = 0x7f945ba000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxencall.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\320\r\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=123136, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f947f2000
mmap(NULL, 74624, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f94597000
mprotect(0x7f94599000, 65536, PROT_NONE) = 0
mmap(0x7f945a9000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f945a9000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxenforeignmemory.so.1",
O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0p\f\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0755, st_size=110928, ...}) = 0
mmap(NULL, 73104, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f94585000
mprotect(0x7f94587000, 61440, PROT_NONE) = 0
mmap(0x7f94596000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7f94596000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxendevicemodel.so.1",
O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0@\22\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0755, st_size=138424, ...}) = 0
mmap(NULL, 77224, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f94572000
mprotect(0x7f94575000, 61440, PROT_NONE) = 0
mmap(0x7f94584000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f94584000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libpthread.so.0", O_RDONLY|O_CLOEXEC) = -1
ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/libpthread.so.0",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0xh\0\0\0\0\0\0"..., 832) =
832
fstat(3, {st_mode=S_IFREG|0755, st_size=187200, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f947f1000
mmap(NULL, 213912, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9453d000
mprotect(0x7f94554000, 98304, PROT_NONE) = 0
mmap(0x7f9456c000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1f000) = 0x7f9456c000
mmap(0x7f9456e000, 13208, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f9456e000
close(3)                                = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f947f0000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f947ef000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f947ee000
mprotect(0x7f94749000, 16384, PROT_READ) = 0
mprotect(0x7f9456c000, 4096, PROT_READ) = 0
mprotect(0x7f94772000, 4096, PROT_READ) = 0
mprotect(0x7f947ff000, 4096, PROT_READ) = 0
munmap(0x7f947f4000, 25330)             = 0
set_tid_address(0x7f947ef0d0)           = 2272
set_robust_list(0x7f947ef0e0, 24)       = 0
rt_sigaction(SIGRTMIN, {0x7f94543314, [], SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0x7f945433f4, [], 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=RLIM64_INFINITY}) = 0
mkdirat(AT_FDCWD, "/var/run/xenstored", 0755) = -1 EEXIST (File exists)
mkdirat(AT_FDCWD, "/var/lib/xenstored", 0755) = -1 EEXIST (File exists)
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0x7f947ef0d0) = 2273
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2273, si_status=0,
si_utime=0, si_stime=1} ---
exit_group(0)                           = ?
+++ exited with 0 +++
FATAL: Failed to initialize dom0 state: No such file or directory




*And also "strace xen-init-dom0" *


strace xen-init-dom0
execve("/usr/local/lib/xen/bin/xen-init-dom0", ["xen-init-dom0"], [/* 19
vars */]) = 0
brk(0)                                  = 0x201a7000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f7a2c2000
faccessat(AT_FDCWD, "/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or
directory)
openat(AT_FDCWD, "/usr/local/lib/tls/aarch64/libxentoollog.so.1",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/tls/aarch64", 0x7ff3468620, 0) = -1
ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/tls/libxentoollog.so.1",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/tls", 0x7ff3468620, 0) = -1 ENOENT (No
such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64/libxentoollog.so.1",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/aarch64", 0x7ff3468620, 0) = -1 ENOENT
(No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/libxentoollog.so.1", O_RDONLY|O_CLOEXEC) =
3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0p\f\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0755, st_size=74760, ...}) = 0
mmap(NULL, 73056, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f7a284000
mprotect(0x7f7a286000, 61440, PROT_NONE) = 0
mmap(0x7f7a295000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7f7a295000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxenstore.so.3.0", O_RDONLY|O_CLOEXEC) =
3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\20%\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0755, st_size=168256, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f7a2c1000
mmap(NULL, 104088, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f7a26a000
mprotect(0x7f7a270000, 65536, PROT_NONE) = 0
mmap(0x7f7a280000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7f7a280000
mmap(0x7f7a281000, 9880, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f7a281000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxenlight.so.4.11", O_RDONLY|O_CLOEXEC) =
3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0p\t\2\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0755, st_size=2926856, ...}) = 0
mmap(NULL, 945048, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f7a183000
mprotect(0x7f7a252000, 65536, PROT_NONE) = 0
mmap(0x7f7a262000, 32768, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xcf000) = 0x7f7a262000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT
(No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/tls/aarch64/libc.so.6",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/tls/aarch64",
0x7ff3468590, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/tls/libc.so.6",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/tls", 0x7ff3468590,
0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/aarch64/libc.so.6",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/aarch64",
0x7ff3468590, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/libc.so.6",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu",
{st_mode=S_IFDIR|0755, st_size=8192, ...}, 0) = 0
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=25330, ...}) = 0
mmap(NULL, 25330, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f7a2ba000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\210\16\2\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1880736, ...}) = 0
mmap(NULL, 1594304, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79ffd000
mprotect(0x7f7a15c000, 118784, PROT_NONE) = 0
mmap(0x7f7a179000, 24576, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16c000) = 0x7f7a179000
mmap(0x7f7a17f000, 13248, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f7a17f000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxentoolcore.so.1", O_RDONLY|O_CLOEXEC) =
3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\240\7\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=83592, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f7a2b9000
mmap(NULL, 69192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79fec000
mprotect(0x7f79fed000, 61440, PROT_NONE) = 0
mmap(0x7f79ffc000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0) = 0x7f79ffc000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libpthread.so.0", O_RDONLY|O_CLOEXEC) = -1
ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/libpthread.so.0",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0xh\0\0\0\0\0\0"..., 832) =
832
fstat(3, {st_mode=S_IFREG|0755, st_size=187200, ...}) = 0
mmap(NULL, 213912, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79fb7000
mprotect(0x7f79fce000, 98304, PROT_NONE) = 0
mmap(0x7f79fe6000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1f000) = 0x7f79fe6000
mmap(0x7f79fe8000, 13208, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f79fe8000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxenevtchn.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0p\v\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0755, st_size=105664, ...}) = 0
mmap(NULL, 70696, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79fa5000
mprotect(0x7f79fa7000, 61440, PROT_NONE) = 0
mmap(0x7f79fb6000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7f79fb6000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxenctrl.so.4.11", O_RDONLY|O_CLOEXEC) =
3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\320\203\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=857184, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f7a2b8000
mmap(NULL, 223328, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79f6e000
mprotect(0x7f79f94000, 65536, PROT_NONE) = 0
mmap(0x7f79fa4000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x26000) = 0x7f79fa4000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxenguest.so.4.11", O_RDONLY|O_CLOEXEC) =
3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\300B\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=448216, ...}) = 0
mmap(NULL, 150208, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79f49000
mprotect(0x7f79f5e000, 61440, PROT_NONE) = 0
mmap(0x7f79f6d000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14000) = 0x7f79f6d000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libutil.so.1", O_RDONLY|O_CLOEXEC) = -1
ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/libutil.so.1",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/libutil.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\240\17\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=73536, ...}) = 0
mmap(NULL, 131344, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79f28000
mprotect(0x7f79f2a000, 118784, PROT_NONE) = 0
mmap(0x7f79f47000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf000) = 0x7f79f47000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libuuid.so.1", O_RDONLY|O_CLOEXEC) = -1
ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/libuuid.so.1",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/libuuid.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0P\25\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0755, st_size=69240, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f7a2b7000
mmap(NULL, 131488, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79f07000
mprotect(0x7f79f0b000, 110592, PROT_NONE) = 0
mmap(0x7f79f26000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf000) = 0x7f79f26000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libfdt.so.1", O_RDONLY|O_CLOEXEC) = -1
ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/libfdt.so.1",
O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0P\27\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0644, st_size=23440, ...}) = 0
mmap(NULL, 87088, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79ef1000
mprotect(0x7f79ef7000, 61440, PROT_NONE) = 0
mmap(0x7f79f06000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5000) = 0x7f79f06000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libyajl.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0000\24\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=34960, ...}) = 0
mmap(NULL, 98552, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79ed8000
mprotect(0x7f79ee0000, 61440, PROT_NONE) = 0
mmap(0x7f79eef000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0x7f79eef000
close(3)                                = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f7a2b6000
openat(AT_FDCWD, "/usr/local/lib/libxengnttab.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\240\r\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=123760, ...}) = 0
mmap(NULL, 74520, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79ec5000
mprotect(0x7f79ec7000, 65536, PROT_NONE) = 0
mmap(0x7f79ed7000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f79ed7000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxencall.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\320\r\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=123136, ...}) = 0
mmap(NULL, 74624, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79eb2000
mprotect(0x7f79eb4000, 65536, PROT_NONE) = 0
mmap(0x7f79ec4000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f79ec4000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxenforeignmemory.so.1",
O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0p\f\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0755, st_size=110928, ...}) = 0
mmap(NULL, 73104, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79ea0000
mprotect(0x7f79ea2000, 61440, PROT_NONE) = 0
mmap(0x7f79eb1000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7f79eb1000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libxendevicemodel.so.1",
O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0@\22\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0755, st_size=138424, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f7a2b5000
mmap(NULL, 77224, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79e8d000
mprotect(0x7f79e90000, 61440, PROT_NONE) = 0
mmap(0x7f79e9f000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f79e9f000
close(3)                                = 0
openat(AT_FDCWD, "/usr/local/lib/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT
(No such file or directory)
openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/libz.so.1",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/libz.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\320!\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=135704, ...}) = 0
mmap(NULL, 197080, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f79e5c000
mprotect(0x7f79e70000, 110592, PROT_NONE) = 0
mmap(0x7f79e8b000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1f000) = 0x7f79e8b000
close(3)                                = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f7a2b4000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f79e5b000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f79e5a000
mprotect(0x7f7a179000, 16384, PROT_READ) = 0
mprotect(0x7f79e8b000, 4096, PROT_READ) = 0
mprotect(0x7f79fe6000, 4096, PROT_READ) = 0
mprotect(0x7f79eef000, 4096, PROT_READ) = 0
mprotect(0x7f79f26000, 4096, PROT_READ) = 0
mprotect(0x7f79f47000, 4096, PROT_READ) = 0
mprotect(0x7f7a2c5000, 4096, PROT_READ) = 0
munmap(0x7f7a2ba000, 25330)             = 0
set_tid_address(0x7f79e5b0d0)           = 2289
set_robust_list(0x7f79e5b0e0, 24)       = 0
rt_sigaction(SIGRTMIN, {0x7f79fbd314, [], SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0x7f79fbd3f4, [], 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=RLIM64_INFINITY}) = 0
brk(0)                                  = 0x201a7000
brk(0x201c8000)                         = 0x201c8000
brk(0)                                  = 0x201c8000
newfstatat(AT_FDCWD, "/var/run/xenstored/socket", {st_mode=S_IFSOCK|0600,
st_size=0, ...}, 0) = 0
socket(PF_LOCAL, SOCK_STREAM, 0)        = 3
fcntl(3, F_GETFD)                       = 0
fcntl(3, F_SETFD, FD_CLOEXEC)           = 0
connect(3, {sa_family=AF_LOCAL, sun_path="/var/run/xenstored/socket"}, 110)
= -1 ECONNREFUSED (Connection refused)
close(3)                                = 0
faccessat(AT_FDCWD, "/dev/xen/xenbus", F_OK) = 0
newfstatat(AT_FDCWD, "/dev/xen/xenbus", {st_mode=S_IFCHR|0600,
st_rdev=makedev(10, 62), ...}, 0) = 0
openat(AT_FDCWD, "/dev/xen/xenbus", O_RDWR) = 3
rt_sigaction(SIGPIPE, {SIG_IGN, [], 0}, {SIG_DFL, [], 0}, 8) = 0
write(3, "\2\0\0\0\0\0\0\0\0\0\0\0\26\0\0\0", 16) = 16
write(3, "/local/domain/0/domid\0", 22

*It hangs after above line.*




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