Re: [Nbd] nbd client crashes

["Phillip Needham" <phillip@...54...>]

strace of the nbd client:

execve("./nbd-client", ["./nbd-client", "10.10.10.2", "9999", "/dev/nd0"],
[/* 2
3 vars */]) = 0
uname({sys="Linux", node="archive", ...}) = 0
brk(0)                                  = 0x804acc8
open("/etc/ld.so.preload", O_RDONLY)    = -1 ENOENT (No such file or
directory)
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=33204, ...}) = 0
old_mmap(NULL, 33204, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40016000
close(3)                                = 0
open("/lib/tls/libc.so.6", O_RDONLY)    = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\360W\1"..., 512)
= 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1539996, ...}) = 0
old_mmap(0x42000000, 1267276, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) =
0x420000
00
old_mmap(0x42130000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x13
0000) = 0x42130000
old_mmap(0x42133000, 9804, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONY
MOUS, -1, 0) = 0x42133000
close(3)                                = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0
x4001f000
set_thread_area({entry_number:-1 -> 6, base_addr:0x4001f4c0,
limit:1048575, seg_
32bit:1, contents:0, read_exec_only:0, limit_in_pages:1,
seg_not_present:0, usea
ble:1}) = 0
munmap(0x40016000, 33204)               = 0
chdir("/")                              = 0
setsid()                                = 21515
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|0x11,
<ignore
d>, <ignored>, 0x4001f508) = 21516
exit_group(0)                           = ?
Error: ioctl(nbd_fd, NBD_CLEAR_SOCK) failed, aborting: Invalid argument