execve("/usr/lib/cups/backend/usb", ["/usr/lib/cups/backend/usb"], [/* 16 vars */]) = 0
brk(0)                                  = 0x20d2f000
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) = 0xb78af000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=87516, ...}) = 0
mmap2(NULL, 87516, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7899000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/libusb-0.1.so.4", 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\0P\22\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=31072, ...}) = 0
mmap2(NULL, 33980, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb59000
mmap2(0xb5f000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5) = 0xb5f000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/libcups.so.2", 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\260\237\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=279816, ...}) = 0
mmap2(NULL, 282740, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x6ec000
mmap2(0x72e000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x41) = 0x72e000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/cmov/libpthread.so.0", 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\0PI\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=116920, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7898000
mmap2(NULL, 98792, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x93a000
mmap2(0x94f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14) = 0x94f000
mmap2(0x951000, 4584, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x951000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/cmov/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\260l\1\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1319364, ...}) = 0
mmap2(NULL, 1329512, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xd2a000
mprotect(0xe68000, 4096, PROT_NONE)     = 0
mmap2(0xe69000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x13e) = 0xe69000
mmap2(0xe6c000, 10600, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xe6c000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/libgssapi_krb5.so.2", 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@J\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=166512, ...}) = 0
mmap2(NULL, 169416, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x11e000
mmap2(0x146000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x27) = 0x146000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/libgnutls.so.26", 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\240\333\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=682548, ...}) = 0
mmap2(NULL, 685272, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x148000
mmap2(0x1eb000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xa2) = 0x1eb000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/libavahi-common.so.3", 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`)\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=42548, ...}) = 0
mmap2(NULL, 45304, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x29a000
mmap2(0x2a4000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x9) = 0x2a4000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/libavahi-client.so.3", 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 .\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=63244, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7897000
mmap2(NULL, 66016, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x1f2000
mprotect(0x200000, 4096, PROT_NONE)     = 0
mmap2(0x201000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xe) = 0x201000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/libz.so.1", 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\240\31\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=83608, ...}) = 0
mmap2(NULL, 86284, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x203000
mmap2(0x217000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x13) = 0x217000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/libkrb5.so.3", 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\260\341\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=675424, ...}) = 0
mmap2(NULL, 678556, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x2e1000
mprotect(0x380000, 4096, PROT_NONE)     = 0
mmap2(0x381000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x9f) = 0x381000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/libk5crypto.so.3", 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\3207\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=161312, ...}) = 0
mmap2(NULL, 164832, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x5c7000
mprotect(0x5ed000, 4096, PROT_NONE)     = 0
mmap2(0x5ee000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x26) = 0x5ee000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/libcom_err.so.2", 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\0\16\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=9632, ...}) = 0
mmap2(NULL, 12464, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x110000
mmap2(0x112000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0x112000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/libkrb5support.so.0", 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\0P\32\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=26160, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7896000
mmap2(NULL, 29020, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x114000
mmap2(0x11a000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5) = 0x11a000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/cmov/libdl.so.2", 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@\n\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=9736, ...}) = 0
mmap2(NULL, 12408, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x219000
mmap2(0x21b000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0x21b000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/libkeyutils.so.1", 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\0\t\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=9492, ...}) = 0
mmap2(NULL, 12324, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x21d000
mmap2(0x21f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0x21f000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/cmov/libresolv.so.2", 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\0000&\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=71432, ...}) = 0
mmap2(NULL, 79944, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x651000
mmap2(0x661000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x10) = 0x661000
mmap2(0x663000, 6216, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x663000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/libtasn1.so.3", 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\0p\21\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=67028, ...}) = 0
mmap2(NULL, 70276, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xa2d000
mmap2(0xa3d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf) = 0xa3d000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/libgcrypt.so.11", 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\300M\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=503740, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7895000
mmap2(NULL, 507212, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x4d9000
mmap2(0x552000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x78) = 0x552000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/libdbus-1.so.3", 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\340Q\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=227000, ...}) = 0
mmap2(NULL, 230212, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x774000
mmap2(0x7ab000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x36) = 0x7ab000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/cmov/librt.so.1", 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\300\30\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=30684, ...}) = 0
mmap2(NULL, 33364, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x618000
mmap2(0x61f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6) = 0x61f000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/libgpg-error.so.0", 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\0P\6\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=13600, ...}) = 0
mmap2(NULL, 16432, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x9ea000
mmap2(0x9ed000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2) = 0x9ed000
close(3)                                = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7894000
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7893000
set_thread_area({entry_number:-1 -> 6, base_addr:0xb78938f0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
mprotect(0x9ed000, 4096, PROT_READ)     = 0
mprotect(0x61f000, 4096, PROT_READ)     = 0
mprotect(0x7ab000, 4096, PROT_READ)     = 0
mprotect(0x552000, 4096, PROT_READ)     = 0
mprotect(0xa3d000, 4096, PROT_READ)     = 0
mprotect(0x661000, 4096, PROT_READ)     = 0
mprotect(0x21f000, 4096, PROT_READ)     = 0
mprotect(0x21b000, 4096, PROT_READ)     = 0
mprotect(0x11a000, 4096, PROT_READ)     = 0
mprotect(0x112000, 4096, PROT_READ)     = 0
mprotect(0x5ee000, 4096, PROT_READ)     = 0
mprotect(0x381000, 20480, PROT_READ)    = 0
mprotect(0x217000, 4096, PROT_READ)     = 0
mprotect(0x201000, 4096, PROT_READ)     = 0
mprotect(0x2a4000, 4096, PROT_READ)     = 0
mprotect(0x1eb000, 16384, PROT_READ)    = 0
mprotect(0x146000, 4096, PROT_READ)     = 0
mprotect(0xe69000, 8192, PROT_READ)     = 0
mprotect(0x94f000, 4096, PROT_READ)     = 0
mprotect(0x72e000, 12288, PROT_READ)    = 0
mprotect(0xb5f000, 4096, PROT_READ)     = 0
mprotect(0xac2000, 4096, PROT_READ)     = 0
mprotect(0x2df000, 4096, PROT_READ)     = 0
munmap(0xb7899000, 87516)               = 0
set_tid_address(0xb7893958)             = 14208
set_robust_list(0xb7893960, 0xc)        = 0
futex(0xbfe3a7c0, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0xbfe3a7c0, 0x189 /* FUTEX_??? */, 1, NULL, bfe3a7d0) = -1 EAGAIN (Resource temporarily unavailable)
rt_sigaction(SIGRTMIN, {0x93e340, [], SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0x93e820, [], 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="nightcrawler", ...}) = 0
brk(0)                                  = 0x20d2f000
brk(0x20d50000)                         = 0x20d50000
rt_sigaction(SIGPIPE, {0x1, [], 0}, NULL, 8) = 0
write(2, "DEBUG: list_devices_libusb\n", 27) = 27
open("/dev/bus/usb", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = 3
fcntl64(3, F_GETFD)                     = 0x1 (flags FD_CLOEXEC)
getdents(3, /* 4 entries */, 32768)     = 64
close(3)                                = 0
open("/dev/bus/usb", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = 3
getdents(3, /* 4 entries */, 32768)     = 64
getdents(3, /* 0 entries */, 32768)     = 0
close(3)                                = 0
write(2, "DEBUG: usb_find_busses=2\n", 25) = 25
open("/dev/bus/usb/002", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = 3
getdents(3, /* 4 entries */, 32768)     = 64
open("/dev/bus/usb/002/002", O_RDWR)    = 4
ioctl(4, USBDEVFS_CONNECTINFO, 0xbfe36d94) = 0
read(4, "\22\1\0\2\0\0\0\10m\4\32\305\1A\1\2\0\1", 18) = 18
read(4, "\t\2;\0\2\1\4\240", 8)         = 8
read(4, "1\t\4\0\0\1\3\1\2\0\t!\21\1\0\1\"C\0\7\5\201\3\10\0\1\t\4\1\0\1\3"..., 51) = 51
close(4)                                = 0
open("/dev/bus/usb/002/001", O_RDWR)    = 4
ioctl(4, USBDEVFS_CONNECTINFO, 0xbfe36d94) = 0
read(4, "\22\1\20\1\t\0\0@k\35\1\0\6\2\3\2\1\1", 18) = 18
read(4, "\t\2\31\0\1\1\0\340", 8)       = 8
read(4, "\0\t\4\0\0\1\t\0\0\0\7\5\201\3\2\0\377", 17) = 17
close(4)                                = 0
getdents(3, /* 0 entries */, 32768)     = 0
close(3)                                = 0
open("/dev/bus/usb/002/002", O_RDWR)    = 3
ioctl(3, USBDEVFS_IOCTL, 0xbfe38d2c)    = -1 ENOTTY (Inappropriate ioctl for device)
close(3)                                = 0
open("/dev/bus/usb/002/001", O_RDWR)    = 3
ioctl(3, USBDEVFS_IOCTL, 0xbfe38d2c)    = 11
close(3)                                = 0
open("/dev/bus/usb/001", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = 3
getdents(3, /* 5 entries */, 32768)     = 80
open("/dev/bus/usb/001/100", O_RDWR)    = 4
ioctl(4, USBDEVFS_CONNECTINFO, 0xbfe36d94) = 0
read(4, "\22\1\0\2\0\0\0@\360\3\27+\0\1\1\2\3\1", 18) = 18
read(4, "\t\2 \0\1\1\0\300", 8)         = 8
read(4, "1\t\4\0\0\2\7\1\2\0\7\5\1\2\0\2\0\7\5\201\2\0\2\0", 24) = 24
close(4)                                = 0
open("/dev/bus/usb/001/099", O_RDWR)    = 4
ioctl(4, USBDEVFS_CONNECTINFO, 0xbfe36d94) = 0
read(4, "\22\1\0\2\t\0\1@\314\4 \25\0\2\0\0\0\1", 18) = 18
read(4, "\t\2\31\0\1\1\0\340", 8)       = 8
read(4, "\0\t\4\0\0\1\t\0\0\0\7\5\201\3\1\0\f", 17) = 17
close(4)                                = 0
open("/dev/bus/usb/001/001", O_RDWR)    = 4
ioctl(4, USBDEVFS_CONNECTINFO, 0xbfe36d94) = 0
read(4, "\22\1\0\2\t\0\0@k\35\2\0\6\2\3\2\1\1", 18) = 18
read(4, "\t\2\31\0\1\1\0\340", 8)       = 8
read(4, "\0\t\4\0\0\1\t\0\0\0\7\5\201\3\4\0\f", 17) = 17
close(4)                                = 0
getdents(3, /* 0 entries */, 32768)     = 0
close(3)                                = 0
open("/dev/bus/usb/001/100", O_RDWR)    = 3
ioctl(3, USBDEVFS_IOCTL, 0xbfe38d2c)    = -1 ENOTTY (Inappropriate ioctl for device)
close(3)                                = 0
open("/dev/bus/usb/001/099", O_RDWR)    = 3
ioctl(3, USBDEVFS_IOCTL, 0xbfe38d2c)    = 5
close(3)                                = 0
open("/dev/bus/usb/001/001", O_RDWR)    = 3
ioctl(3, USBDEVFS_IOCTL, 0xbfe38d2c)    = 11
close(3)                                = 0
write(2, "DEBUG: usb_find_devices=5\n", 26) = 26
open("/dev/bus/usb/001/100", O_RDWR)    = 3
ioctl(3, USBDEVFS_SETCONFIGURATION, 0xbfe38e24) = -1 EBUSY (Device or resource busy)
ioctl(3, USBDEVFS_CLAIMINTERFACE, 0xbfe38e24) = -1 EBUSY (Device or resource busy)
close(3)                                = 0
open("/dev/usblp0", O_RDWR|O_EXCL|O_LARGEFILE) = 3
ioctl(3, SNDCTL_DSP_SYNC, 0xbfe397ad)   = -1 EIO (Input/output error)
close(3)                                = 0
open("/dev/usblp1", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp1", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp1", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp2", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp2", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp2", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp3", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp3", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp3", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp4", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp4", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp4", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp5", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp5", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp5", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp6", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp6", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp6", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp7", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp7", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp7", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp8", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp8", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp8", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp9", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp9", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp9", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp10", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp10", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp10", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp11", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp11", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp11", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp12", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp12", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp12", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp13", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp13", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp13", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp14", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp14", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp14", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usblp15", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/lp15", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/dev/usb/usblp15", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory)
exit_group(0)                           = ?