lstat("/etc/mtab", {st_mode=S_IFREG|0644, st_size=393, ...}) = 0
stat("/dev/sda6", {st_mode=S_IFBLK|0660, st_rdev=makedev(8, 6), ...}) = 0
rt_sigprocmask(SIG_BLOCK, ~[TRAP SEGV RTMIN RT_1], NULL, 8) = 0
open("/dev/sda6", O_RDONLY)             = 3
ioctl(3, BLKGETSIZE64, 0x7fff52912d40)  = 0
lseek(3, 572956409856, SEEK_SET)        = 572956409856
read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 2048) = 2048
lseek(3, 572956520960, SEEK_SET)        = 572956520960
read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
lseek(3, 572956521472, SEEK_SET)        = 572956521472
read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
lseek(3, 572956520960, SEEK_SET)        = 572956520960
read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
lseek(3, 572956489728, SEEK_SET)        = 572956489728
read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
lseek(3, 572956391424, SEEK_SET)        = 572956391424
read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
lseek(3, 572956390912, SEEK_SET)        = 572956390912
read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
lseek(3, 572956513792, SEEK_SET)        = 572956513792
read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
lseek(3, 572956317696, SEEK_SET)        = 572956317696
read(3, "\4\0\0\0\4\0 \0\0p\331o\33\0\0\0\231\375\266\1\0\0\0\0"..., 512) = 512
lseek(3, 572956516352, SEEK_SET)        = 572956516352
read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
lseek(3, 572956521472, SEEK_SET)        = 572956521472
read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
brk(0x567000)                           = 0x567000
lseek(3, 0, SEEK_SET)                   = 0
read(3, "XFSB\0\0@\0\0\0\0\0\2\25\233`\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 3072) = 3072
lseek(3, 0, SEEK_SET)                   = 0
read(3, "XFSB\0\0@\0\0\0\0\0\2\25\233`\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 5120) = 5120
brk(0x556000)                           = 0x556000
brk(0x546000)                           = 0x546000
close(3)                                = 0
stat("/sbin/mount.xfs", 0x7fff52912bf0) = -1 ENOENT (No such file or directory)
mount("/dev/sda6", "/a", "xfs", MS_MGC_VAL, NULL) = -1 ENOSYS (Function not implemented)
rt_sigprocmask(SIG_UNBLOCK, ~[TRAP SEGV RTMIN RT_1], NULL, 8) = 0