Attachment 715857 Details for Bug 924805 – $ strace gpg --with-colons --list-config

$ strace gpg --with-colons --list-config

strace-gpg--with-colons--list-config.txt (text/plain), 37.10 KB, created by sangu on 2013-03-25 06:25:38 UTC

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Creator: sangu

Created: 2013-03-25 06:25:38 UTC

Size: 37.10 KB

patch

obsolete

>$ strace gpg --with-colons --list-config
>execve("/usr/bin/gpg", ["gpg", "--with-colons", "--list-config"], [/* 48 vars */]) = 0
>brk(0)                                  = 0x7f6634788000
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6634335000
>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=113119, ...}) = 0
>mmap(NULL, 113119, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f6634319000
>close(3)                                = 0
>open("/lib64/libresolv.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@:\0\0\0\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=110808, ...}) = 0
>mmap(NULL, 2202264, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6633efc000
>mprotect(0x7f6633f12000, 2097152, PROT_NONE) = 0
>mmap(0x7f6634112000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0x7f6634112000
>mmap(0x7f6634114000, 6808, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f6634114000
>close(3)                                = 0
>open("/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>\0\1\0\0\0p!\0\0\0\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=89992, ...}) = 0
>mmap(NULL, 2183688, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6633ce6000
>mprotect(0x7f6633cfb000, 2093056, PROT_NONE) = 0
>mmap(0x7f6633efa000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14000) = 0x7f6633efa000
>close(3)                                = 0
>open("/lib64/libbz2.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`\27\0\0\0\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=67904, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6634318000
>mmap(NULL, 2162024, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6633ad6000
>mprotect(0x7f6633ae5000, 2093056, PROT_NONE) = 0
>mmap(0x7f6633ce4000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xe000) = 0x7f6633ce4000
>close(3)                                = 0
>open("/lib64/libreadline.so.6", 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\0PO\1\0\0\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=278176, ...}) = 0
>mmap(NULL, 2376648, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6633891000
>mprotect(0x7f66338cd000, 2093056, PROT_NONE) = 0
>mmap(0x7f6633acc000, 32768, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3b000) = 0x7f6633acc000
>mmap(0x7f6633ad4000, 5064, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f6633ad4000
>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\320\16\0\0\0\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=19512, ...}) = 0
>mmap(NULL, 2109744, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f663368d000
>mprotect(0x7f6633690000, 2093056, PROT_NONE) = 0
>mmap(0x7f663388f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f663388f000
>close(3)                                = 0
>open("/lib64/libusb-0.1.so.4", 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\27\0\0\0\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=19608, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6634317000
>mmap(NULL, 2113904, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6633488000
>mprotect(0x7f663348c000, 2093056, PROT_NONE) = 0
>mmap(0x7f663368b000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f663368b000
>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\200\34\2\0\0\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=2101016, ...}) = 0
>mmap(NULL, 3928640, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f66330c8000
>mprotect(0x7f663327d000, 2097152, PROT_NONE) = 0
>mmap(0x7f663347d000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b5000) = 0x7f663347d000
>mmap(0x7f6633483000, 16960, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f6633483000
>close(3)                                = 0
>open("/lib64/libtinfo.so.5", 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@\316\0\0\0\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=168968, ...}) = 0
>mmap(NULL, 2264832, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6632e9f000
>mprotect(0x7f6632ec4000, 2093056, PROT_NONE) = 0
>mmap(0x7f66330c3000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x24000) = 0x7f66330c3000
>close(3)                                = 0
>open("/lib64/libusb-1.0.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\300,\0\0\0\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=78264, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6634316000
>mmap(NULL, 2171752, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6632c8c000
>mprotect(0x7f6632c9d000, 2097152, PROT_NONE) = 0
>mmap(0x7f6632e9d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x11000) = 0x7f6632e9d000
>close(3)                                = 0
>open("/lib64/librt.so.1", 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\300\"\0\0\0\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=44048, ...}) = 0
>mmap(NULL, 2128952, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6632a84000
>mprotect(0x7f6632a8b000, 2093056, PROT_NONE) = 0
>mmap(0x7f6632c8a000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7f6632c8a000
>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\0k\0\0\0\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=141424, ...}) = 0
>mmap(NULL, 2208800, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6632868000
>mprotect(0x7f663287e000, 2097152, PROT_NONE) = 0
>mmap(0x7f6632a7e000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0x7f6632a7e000
>mmap(0x7f6632a80000, 13344, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f6632a80000
>close(3)                                = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6634315000
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6634314000
>mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6634312000
>arch_prctl(ARCH_SET_FS, 0x7f6634312740) = 0
>mprotect(0x7f663347d000, 16384, PROT_READ) = 0
>mprotect(0x7f6632a7e000, 4096, PROT_READ) = 0
>mprotect(0x7f6632c8a000, 4096, PROT_READ) = 0
>mprotect(0x7f6632e9d000, 4096, PROT_READ) = 0
>mprotect(0x7f66330c3000, 16384, PROT_READ) = 0
>mprotect(0x7f663368b000, 4096, PROT_READ) = 0
>mprotect(0x7f663388f000, 4096, PROT_READ) = 0
>mprotect(0x7f6633acc000, 8192, PROT_READ) = 0
>mprotect(0x7f6633ce4000, 4096, PROT_READ) = 0
>mprotect(0x7f6633efa000, 4096, PROT_READ) = 0
>mprotect(0x7f6634112000, 4096, PROT_READ) = 0
>mprotect(0x7f663462e000, 8192, PROT_READ) = 0
>mprotect(0x7f6634336000, 4096, PROT_READ) = 0
>munmap(0x7f6634319000, 113119)          = 0
>set_tid_address(0x7f6634312a10)         = 1971
>set_robust_list(0x7f6634312a20, 24)     = 0
>rt_sigaction(SIGRTMIN, {0x7f663286e660, [], SA_RESTORER|SA_SIGINFO, 0x7f6632876fa0}, NULL, 8) = 0
>rt_sigaction(SIGRT_1, {0x7f663286e6f0, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7f6632876fa0}, 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
>fstat(0, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 1), ...}) = 0
>fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 1), ...}) = 0
>fstat(2, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 1), ...}) = 0
>brk(0)                                  = 0x7f6634788000
>brk(0x7f66347a9000)                     = 0x7f66347a9000
>brk(0)                                  = 0x7f66347a9000
>setrlimit(RLIMIT_CORE, {rlim_cur=0, rlim_max=0}) = 0
>rt_sigaction(SIGINT, NULL, {SIG_DFL, [], 0}, 8) = 0
>rt_sigaction(SIGINT, {0x7f663436f6b0, [], SA_RESTORER, 0x7f66330fd890}, NULL, 8) = 0
>rt_sigaction(SIGHUP, NULL, {SIG_DFL, [], 0}, 8) = 0
>rt_sigaction(SIGHUP, {0x7f663436f6b0, [], SA_RESTORER, 0x7f66330fd890}, NULL, 8) = 0
>rt_sigaction(SIGTERM, NULL, {SIG_DFL, [], 0}, 8) = 0
>rt_sigaction(SIGTERM, {0x7f663436f6b0, [], SA_RESTORER, 0x7f66330fd890}, NULL, 8) = 0
>rt_sigaction(SIGQUIT, NULL, {SIG_DFL, [], 0}, 8) = 0
>rt_sigaction(SIGQUIT, {0x7f663436f6b0, [], SA_RESTORER, 0x7f66330fd890}, NULL, 8) = 0
>rt_sigaction(SIGSEGV, NULL, {SIG_DFL, [], 0}, 8) = 0
>rt_sigaction(SIGSEGV, {0x7f663436f6b0, [], SA_RESTORER, 0x7f66330fd890}, NULL, 8) = 0
>rt_sigaction(SIGUSR1, {0x7f663436f630, [], SA_RESTORER, 0x7f66330fd890}, NULL, 8) = 0
>rt_sigaction(SIGPIPE, {SIG_IGN, [], SA_RESTORER, 0x7f66330fd890}, NULL, 8) = 0
>open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
>fstat(3, {st_mode=S_IFREG|0644, st_size=106055264, ...}) = 0
>mmap(NULL, 106055264, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f662c343000
>close(3)                                = 0
>mmap(NULL, 32768, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432d000
>getuid()                                = 1000
>mlock(0x7f663432d000, 32768)            = 0
>geteuid()                               = 1000
>getuid()                                = 1000
>geteuid()                               = 1000
>access("/home/sangu/.gnupg/gpg.conf-1.4.13", R_OK) = -1 ENOENT (No such file or directory)
>access("/home/sangu/.gnupg/gpg.conf-1.4", R_OK) = -1 ENOENT (No such file or directory)
>access("/home/sangu/.gnupg/gpg.conf-1", R_OK) = -1 ENOENT (No such file or directory)
>access("/home/sangu/.gnupg/gpg.conf", R_OK) = -1 ENOENT (No such file or directory)
>access("/home/sangu/.gnupg/options", R_OK) = -1 ENOENT (No such file or directory)
>stat("~/.gnupg", 0x7fff72a0a220)        = -1 ENOENT (No such file or directory)
>stat("/home/sangu/.gnupg/gpg.conf", 0x7fff72a0a220) = -1 ENOENT (No such file or directory)
>open("/home/sangu/.gnupg/gpg.conf", O_RDONLY) = -1 ENOENT (No such file or directory)
>access("/home/sangu/.gnupg/random_seed", F_OK) = 0
>open("/home/sangu/.gnupg/secring.gpg", O_RDONLY) = 3
>fstat(3, {st_mode=S_IFREG|0600, st_size=2491, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432c000
>read(3, "\225\3\230\4QLa\365\1\10\0\351\23\213b\326\370z\360_i\0\211?\3\226\3144\304\204\310B"..., 4096) = 2491
>close(3)                                = 0
>munmap(0x7f663432c000, 4096)            = 0
>access("/home/sangu/.gnupg/secring.gpg", F_OK) = 0
>open("/home/sangu/.gnupg/pubring.gpg", O_RDONLY) = 3
>fstat(3, {st_mode=S_IFREG|0600, st_size=1189, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432c000
>read(3, "\231\1\r\4QLa\365\1\10\0\351\23\213b\326\370z\360_i\0\211?\3\226\3144\304\204\310B"..., 4096) = 1189
>close(3)                                = 0
>munmap(0x7f663432c000, 4096)            = 0
>access("/home/sangu/.gnupg/pubring.gpg", F_OK) = 0
>stat("/home/sangu/.gnupg/secring.gpg", {st_mode=S_IFREG|0600, st_size=2491, ...}) = 0
>stat("/home/sangu/.gnupg/pubring.gpg", {st_mode=S_IFREG|0600, st_size=1189, ...}) = 0
>fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 1), ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432c000
>write(1, "cfg:version:1.4.13\n", 19cfg:version:1.4.13
>)    = 19
>write(1, "cfg:pubkey:1;2;3;16;17\n", 23cfg:pubkey:1;2;3;16;17
>) = 23
>write(1, "cfg:cipher:1;2;3;4;7;8;9;10;11;1"..., 37cfg:cipher:1;2;3;4;7;8;9;10;11;12;13
>) = 37
>write(1, "cfg:ciphername:IDEA;3DES;CAST5;B"..., 102cfg:ciphername:IDEA;3DES;CAST5;BLOWFISH;AES;AES192;AES256;TWOFISH;CAMELLIA128;CAMELLIA192;CAMELLIA256
>) = 102
>write(1, "cfg:digest:1;2;3;8;9;10;11\n", 27cfg:digest:1;2;3;8;9;10;11
>) = 27
>write(1, "cfg:digestname:MD5;SHA1;RIPEMD16"..., 62cfg:digestname:MD5;SHA1;RIPEMD160;SHA256;SHA384;SHA512;SHA224
>) = 62
>write(1, "cfg:compress:0;1;2;3\n", 21cfg:compress:0;1;2;3
>)  = 21
>openat(AT_FDCWD, "/dev/bus/usb", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3
>getdents(3, /* 6 entries */, 32768)     = 144
>close(3)                                = 0
>uname({sys="Linux", node="None", ...})  = 0
>uname({sys="Linux", node="None", ...})  = 0
>stat("/sys/bus/usb/devices", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
>openat(AT_FDCWD, "/sys/bus/usb/devices", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3
>getdents(3, /* 24 entries */, 32768)    = 696
>stat("/sys/bus/usb/devices/usb1/busnum", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>stat("/sys/bus/usb/devices/usb1/devnum", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>stat("/sys/bus/usb/devices/usb1/descriptors", {st_mode=S_IFREG|0444, st_size=65553, ...}) = 0
>stat("/sys/bus/usb/devices/usb1/bConfigurationValue", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
>close(3)                                = 0
>pipe([3, 4])                            = 0
>timerfd_create(CLOCK_MONOTONIC, 0x800 /* TFD_??? */) = 5
>openat(AT_FDCWD, "/sys/bus/usb/devices", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6
>getdents(6, /* 24 entries */, 32768)    = 696
>open("/sys/bus/usb/devices/1-1/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/1-1/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/1-1/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/1-1/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\t\0\1@\207\200$\0\0\0\0\0\0\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/2-1/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\t\0\1@\207\200$\0\0\0\0\0\0\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/3-2/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "3\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/3-2/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/3-2/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/3-2/descriptors", O_RDONLY) = 7
>read(7, "\22\1\20\2\0\0\0@-\25\t%\0\1\1\v\3\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/usb1/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb1/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb1/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb1/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\t\0\0@k\35\2\0\t\3\3\2\1\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/usb2/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb2/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb2/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb2/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\t\0\0@k\35\2\0\t\3\3\2\1\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/usb3/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "3\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb3/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb3/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb3/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\t\0\1@k\35\2\0\t\3\3\2\1\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/usb4/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "4\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb4/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb4/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "5000\n", 4096)                 = 5
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb4/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\3\t\0\3\tk\35\3\0\t\3\3\2\1\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/2-1.5/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.5/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "3\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.5/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.5/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\t\0\1@\343\5\10\6cw\0\1\0\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/2-1.6/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.6/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "4\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.6/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1.5\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.6/descriptors", O_RDONLY) = 7
>read(7, "\22\1\20\1\0\0\0\10f\5\0071\0\1\0\0\0\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/2-1.5.1/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.5.1/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "5\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.5.1/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "12\n", 4096)                   = 3
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.5.1/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\0\0\0\10m\4/\305\1\"\1\2\0\1", 18) = 18
>close(7)                                = 0
>getdents(6, /* 0 entries */, 32768)     = 0
>close(6)                                = 0
>openat(AT_FDCWD, "/sys/bus/usb/devices", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6
>getdents(6, /* 24 entries */, 32768)    = 696
>open("/sys/bus/usb/devices/1-1/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/1-1/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/1-1/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/1-1/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\t\0\1@\207\200$\0\0\0\0\0\0\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/2-1/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\t\0\1@\207\200$\0\0\0\0\0\0\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/3-2/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "3\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/3-2/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/3-2/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/3-2/descriptors", O_RDONLY) = 7
>read(7, "\22\1\20\2\0\0\0@-\25\t%\0\1\1\v\3\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/usb1/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb1/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb1/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb1/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\t\0\0@k\35\2\0\t\3\3\2\1\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/usb2/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb2/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb2/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb2/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\t\0\0@k\35\2\0\t\3\3\2\1\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/usb3/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "3\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb3/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb3/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb3/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\t\0\1@k\35\2\0\t\3\3\2\1\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/usb4/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "4\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb4/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb4/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "5000\n", 4096)                 = 5
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/usb4/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\3\t\0\3\tk\35\3\0\t\3\3\2\1\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/2-1.5/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.5/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "3\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.5/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "480\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.5/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\t\0\1@\343\5\10\6cw\0\1\0\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/2-1.6/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.6/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "4\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.6/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "1.5\n", 4096)                  = 4
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.6/descriptors", O_RDONLY) = 7
>read(7, "\22\1\20\1\0\0\0\10f\5\0071\0\1\0\0\0\1", 18) = 18
>close(7)                                = 0
>open("/sys/bus/usb/devices/2-1.5.1/busnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "2\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.5.1/devnum", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "5\n", 4096)                    = 2
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.5.1/speed", O_RDONLY) = 7
>fstat(7, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f663432b000
>read(7, "12\n", 4096)                   = 3
>close(7)                                = 0
>munmap(0x7f663432b000, 4096)            = 0
>open("/sys/bus/usb/devices/2-1.5.1/descriptors", O_RDONLY) = 7
>read(7, "\22\1\0\2\0\0\0\10m\4/\305\1\"\1\2\0\1", 18) = 18
>close(7)                                = 0
>getdents(6, /* 0 entries */, 32768)     = 0
>close(6)                                = 0
>open("/sys/bus/usb/devices/usb1/descriptors", O_RDONLY) = 6
>read(6, "\22\1\0\2\t\0\0@k\35\2\0\t\3\3\2\1\1", 18) = 18
>close(6)                                = 0
>open("/dev/bus/usb/001/001", O_RDONLY)  = 6
>lseek(6, 18, SEEK_SET)                  = 18
>read(6, "\t\2\31\0\1\1\0\340", 8)       = 8
>close(6)                                = 0
>open("/dev/bus/usb/001/001", O_RDONLY)  = 6
>lseek(6, 18, SEEK_SET)                  = 18
>read(6, "\t\2\31\0\1\1\0\340\0\t\4\0\0\1\t\0\0\0\7\5\201\3\4\0\f", 25) = 25
>close(6)                                = 0
>open("/sys/bus/usb/devices/1-1/descriptors", O_RDONLY) = 6
>read(6, "\22\1\0\2\t\0\1@\207\200$\0\0\0\0\0\0\1", 18) = 18
>close(6)                                = 0
>open("/dev/bus/usb/001/002", O_RDONLY
>

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Attachments on bug 924805: 715857