Attachment 710155 Details for Bug 921708 – strace output of cp --reflink=always source dest

strace output of cp --reflink=always source dest

cp-reflink.log (text/plain), 7.17 KB, created by Yann Droneaud on 2013-03-14 18:08:45 UTC

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Creator: Yann Droneaud

Created: 2013-03-14 18:08:45 UTC

Size: 7.17 KB

patch

obsolete

>execve("/usr/bin/cp", ["cp", "--reflink=always", "source", "dest"], [/* 55 vars */]) = 0
>brk(0)                                  = 0x256a000
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6bff8d000
>access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
>open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
>fstat(3, {st_mode=S_IFREG|0644, st_size=102823, ...}) = 0
>mmap(NULL, 102823, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fa6bff73000
>close(3)                                = 0
>open("/lib64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = 3
>read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300_\300P<\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=128888, ...}) = 0
>mmap(0x3c50c00000, 2230304, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3c50c00000
>mprotect(0x3c50c1e000, 2093056, PROT_NONE) = 0
>mmap(0x3c50e1d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1d000) = 0x3c50e1d000
>mmap(0x3c50e1f000, 6176, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3c50e1f000
>close(3)                                = 0
>open("/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>\0\1\0\0\0`\"\0P<\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=47664, ...}) = 0
>mmap(0x3c50000000, 2128952, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3c50000000
>mprotect(0x3c50007000, 2093056, PROT_NONE) = 0
>mmap(0x3c50206000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x3c50206000
>close(3)                                = 0
>open("/lib64/libacl.so.1", O_RDONLY|O_CLOEXEC) = 3
>read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P\37\300c<\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=37944, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6bff72000
>mmap(0x3c63c00000, 2130528, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3c63c00000
>mprotect(0x3c63c07000, 2097152, PROT_NONE) = 0
>mmap(0x3c63e07000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0x3c63e07000
>close(3)                                = 0
>open("/lib64/libattr.so.1", O_RDONLY|O_CLOEXEC) = 3
>read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240\23\300a<\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=21160, ...}) = 0
>mmap(0x3c61c00000, 2113872, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3c61c00000
>mprotect(0x3c61c04000, 2093056, PROT_NONE) = 0
>mmap(0x3c61e03000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x3c61e03000
>close(3)                                = 0
>open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
>read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@\30BO<\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=2065552, ...}) = 0
>mmap(0x3c4f400000, 3892376, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3c4f400000
>mprotect(0x3c4f5ac000, 2097152, PROT_NONE) = 0
>mmap(0x3c4f7ac000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1ac000) = 0x3c4f7ac000
>mmap(0x3c4f7b2000, 17560, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3c4f7b2000
>close(3)                                = 0
>open("/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
>read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240\16\300O<\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=22480, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6bff71000
>mmap(0x3c4fc00000, 2109704, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3c4fc00000
>mprotect(0x3c4fc03000, 2093056, PROT_NONE) = 0
>mmap(0x3c4fe02000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x3c4fe02000
>close(3)                                = 0
>open("/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>\0\1\0\0\0\360j\200O<\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=144520, ...}) = 0
>mmap(0x3c4f800000, 2208776, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3c4f800000
>mprotect(0x3c4f816000, 2097152, PROT_NONE) = 0
>mmap(0x3c4fa16000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0x3c4fa16000
>mmap(0x3c4fa18000, 13320, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3c4fa18000
>close(3)                                = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6bff70000
>mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6bff6e000
>arch_prctl(ARCH_SET_FS, 0x7fa6bff6e800) = 0
>mprotect(0x61d000, 4096, PROT_READ)     = 0
>mprotect(0x3c50e1d000, 4096, PROT_READ) = 0
>mprotect(0x3c50206000, 4096, PROT_READ) = 0
>mprotect(0x3c63e07000, 4096, PROT_READ) = 0
>mprotect(0x3c61e03000, 4096, PROT_READ) = 0
>mprotect(0x3c4f7ac000, 16384, PROT_READ) = 0
>mprotect(0x3c4fe02000, 4096, PROT_READ) = 0
>mprotect(0x3c4f21f000, 4096, PROT_READ) = 0
>mprotect(0x3c4fa16000, 4096, PROT_READ) = 0
>munmap(0x7fa6bff73000, 102823)          = 0
>set_tid_address(0x7fa6bff6ead0)         = 3139
>set_robust_list(0x7fa6bff6eae0, 24)     = 0
>rt_sigaction(SIGRTMIN, {0x3c4f806650, [], SA_RESTORER|SA_SIGINFO, 0x3c4f80efe0}, NULL, 8) = 0
>rt_sigaction(SIGRT_1, {0x3c4f8066d0, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x3c4f80efe0}, 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
>statfs("/sys/fs/selinux", 0x7fffef894700) = -1 ENOENT (No such file or directory)
>statfs("/selinux", 0x7fffef894700)      = -1 ENOENT (No such file or directory)
>brk(0)                                  = 0x256a000
>brk(0x258b000)                          = 0x258b000
>open("/proc/filesystems", O_RDONLY)     = 3
>fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6bff8c000
>read(3, "nodev\tsysfs\nnodev\trootfs\nnodev\tb"..., 1024) = 393
>read(3, "", 1024)                       = 0
>close(3)                                = 0
>munmap(0x7fa6bff8c000, 4096)            = 0
>geteuid()                               = 1002
>stat("dest", 0x7fffef894560)            = -1 ENOENT (No such file or directory)
>stat("source", {st_mode=S_IFREG|0644, st_size=172253, ...}) = 0
>stat("dest", 0x7fffef8942e0)            = -1 ENOENT (No such file or directory)
>open("source", O_RDONLY)                = 3
>fstat(3, {st_mode=S_IFREG|0644, st_size=172253, ...}) = 0
>open("dest", O_WRONLY|O_CREAT|O_EXCL, 0644) = 4
>fstat(4, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
>ioctl(4, 0x40049409, 0x3)               = -1 ENOTTY (Inappropriate ioctl for device)
>write(2, "cp: ", 4)                     = 4
>write(2, "failed to clone `dest' from `sou"..., 36) = 36
>write(2, ": Inappropriate ioctl for device", 32) = 32
>write(2, "\n", 1)                       = 1
>close(4)                                = 0
>close(3)                                = 0
>lseek(0, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
>close(0)                                = 0
>close(1)                                = 0
>close(2)                                = 0
>exit_group(1)                           = ?
>+++ exited with 1 +++

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Attachments on bug 921708: 710155