O Matlab não aparece

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O Matlab bloqueia na inicialização e não mostra nada em uma máquina (toto) enquanto roda bem em outra máquina (titi), que, a propósito, tem a mesma configuração.

Ambas as máquinas rodam Debian: 

uname -a

fornece em ambas as máquinas o seguinte: 

Linux (toto|titi).hostname 3.16.0-4-amd64 #1 SMP Debian 3.16.48-1 x86_64 GNU/Linux

Eu tentei investigar o problema usando strace . Na verdade, o Matlab bloqueia após uma terceira chamada bem-sucedida para open / read no arquivo /proc/cpuinfo (in toto). A seguir, a saída de strace em cada máquina.

  • Saída de strace on toto (blocos Matlab na inicialização):

    strace -f -o matlab.toto.strace opt / MATLAB_2017a / bin / glnxa64 / MATLAB

dá isso (2ª e 3ª chamadas para abrir / ler estão aparecendo): 

7580  open("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/libiomp5.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
7580  open("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/../../sys/os/glnxa64/libiomp5.so", O_RDONLY|O_CLOEXEC) = 3
7580  read(3, "7ELF
7670  open("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/libiomp5.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
7670  open("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/../../sys/os/glnxa64/libiomp5.so", O_RDONLY|O_CLOEXEC) = 3
7670  read(3, "7ELF
uname -a

Linux (toto|titi).hostname 3.16.0-4-amd64 #1 SMP Debian 3.16.48-1 x86_64 GNU/Linux

7580  open("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/libiomp5.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
7580  open("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/../../sys/os/glnxa64/libiomp5.so", O_RDONLY|O_CLOEXEC) = 3
7580  read(3, "7ELF
7670  open("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/libiomp5.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
7670  open("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/../../sys/os/glnxa64/libiomp5.so", O_RDONLY|O_CLOEXEC) = 3
7670  read(3, "7ELF%pre%%pre%%pre%%pre%%pre%%pre%%pre%%pre%%pre%%pre%>%pre%%pre%%pre%%pre%04%pre%%pre%%pre%%pre%%pre%"..., 832) = 832
7670  fstat(3, {st_mode=S_IFREG|0555, st_size=1385830, ...}) = 0
7670  mmap(NULL, 3412192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fbbd64ec000
7670  mprotect(0x7fbbd65f5000, 2097152, PROT_NONE) = 0
7670  mmap(0x7fbbd67f5000, 45056, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x109000) = 0x7fbbd67f5000
7670  mmap(0x7fbbd6800000, 184544, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fbbd6800000
7670  close(3)                          = 0
7670  open("/proc/cpuinfo", O_RDONLY)   = 3
7670  read(3, "processor\t: 0\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "processor\t: 4\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "", 8191)                 = 0
7670  close(3)                          = 0
7670  open("/proc/cpuinfo", O_RDONLY)   = 3
7670  read(3, "processor\t: 0\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "processor\t: 4\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "", 8191)                 = 0
7670  close(3)                          = 0
7670  sched_getaffinity(0, 128, {ff, 0, 0, 0, 0, 0, 0, 0}) = 64
7670  brk(0xec4000)                     = 0xec4000
7670  brk(0xee5000)                     = 0xee5000
7670  brk(0xf06000)                     = 0xf06000
7670  open("/sys/devices/system/cpu/online", O_RDONLY|O_CLOEXEC) = 3
7670  read(3, "0-7\n", 8192)            = 4
7670  close(3)                          = 0
7670  rt_sigprocmask(SIG_BLOCK, [INT TSTP WINCH], NULL, 8) = 0
7670  stat("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/libmwi18n.so", {st_mode=S_IFREG|0755, st_size=1379640, ...}) = 0
7670  lstat("/users", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
7670  lstat("/users/hamidi", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7670  lstat("/users/hamidi/opt", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7670  lstat("/users/hamidi/opt/MATLAB_2017a", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7670  lstat("/users/hamidi/opt/MATLAB_2017a/bin", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7670  lstat("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64", {st_mode=S_IFDIR|0755, st_size=86016, ...}) = 0
7670  lstat("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/libmwi18n.so", {st_mode=S_IFREG|0755, st_size=1379640, ...}) = 0
7670  open("/users/hamidi/opt/MATLAB_2017a/VersionInfo.xml", O_RDONLY) = 3
7670  read(3, "<?xml version=\"1.0\" encoding=\"UT"..., 8191) = 300
7670  read(3, "", 8191)                 = 0
7670  close(3)                          = 0
7670  uname({sys="Linux", node="titi.lipn.univ-paris13.fr", ...}) = 0
7670  open("/proc/cpuinfo", O_RDONLY)   = 3
7670  read(3, "processor\t: 0\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "processor\t: 4\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "", 8191)                 = 0
7670  close(3)                          = 0
7670  open("/proc/cpuinfo", O_RDONLY)   = 3
7670  read(3, "processor\t: 0\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "processor\t: 4\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "", 8191)                 = 0
7670  close(3)                          = 0
7670  sched_getaffinity(0, 128, {ff, 0, 0, 0, 0, 0, 0, 0}) = 64

%pre%%pre%%pre%%pre%%pre%%pre%%pre%%pre%%pre%>%pre%%pre%%pre%%pre%04%pre%%pre%%pre%%pre%%pre%"..., 832) = 832
7580  fstat(3, {st_mode=S_IFREG|0555, st_size=1385830, ...}) = 0
7580  mmap(NULL, 3412192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc91cba7000
7580  mprotect(0x7fc91ccb0000, 2097152, PROT_NONE) = 0
7580  mmap(0x7fc91ceb0000, 45056, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x109000) = 0x7fc91ceb0000
7580  mmap(0x7fc91cebb000, 184544, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc91cebb000
7580  close(3)                          = 0
7580  open("/proc/cpuinfo", O_RDONLY)   = 3
7580  read(3, "processor\t: 0\nvendor_id\t: Genuin"..., 8191) = 3129
7580  read(3, "processor\t: 3\nvendor_id\t: Genuin"..., 8191) = 1043
7580  read(3, "", 8191)                 = 0
7580  close(3)                          = 0
7580  gettimeofday({1522673292, 492915}, NULL) = 0
7580  gettimeofday({1522673292, 492915}, NULL) = 0
7580  open("/sys/devices/system/cpu/online", O_RDONLY|O_CLOEXEC) = 3
7580  read(3, "0-3\n", 8192)            = 4
7580  close(3)                          = 0
7580  rt_sigprocmask(SIG_BLOCK, [INT TSTP WINCH], NULL, 8) = 0
7580  stat("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/libmwi18n.so", {st_mode=S_IFREG|0755, st_size=1379640, ...}) = 0
7580  lstat("/users", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
7580  lstat("/users/hamidi", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7580  lstat("/users/hamidi/opt", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7580  lstat("/users/hamidi/opt/MATLAB_2017a", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7580  lstat("/users/hamidi/opt/MATLAB_2017a/bin", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7580  lstat("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64", {st_mode=S_IFDIR|0755, st_size=86016, ...}) = 0
7580  lstat("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/libmwi18n.so", {st_mode=S_IFREG|0755, st_size=1379640, ...}) = 0
7580  open("/users/hamidi/opt/MATLAB_2017a/VersionInfo.xml", O_RDONLY) = 3
7580  read(3, "<?xml version=\"1.0\" encoding=\"UT"..., 8191) = 300
7580  read(3, "", 8191)                 = 0
7580  close(3)                          = 0
7580  uname({sys="Linux", node="bailly.lipn.univ-paris13.fr", ...}) = 0
7580  open("/proc/cpuinfo", O_RDONLY)   = 3
7580  read(3, "processor\t: 0\nvendor_id\t: Genuin"..., 8191) = 3129
7580  read(3, "processor\t: 3\nvendor_id\t: Genuin"..., 8191) = 1043
7580  read(3, "", 8191)                 = 0
7580  close(3)                          = 0

%pre%%pre%%pre%%pre%%pre%%pre%%pre%>%pre%%pre%%pre%%pre%04%pre%%pre%%pre%%pre%%pre%"..., 832) = 832
7670  fstat(3, {st_mode=S_IFREG|0555, st_size=1385830, ...}) = 0
7670  mmap(NULL, 3412192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fbbd64ec000
7670  mprotect(0x7fbbd65f5000, 2097152, PROT_NONE) = 0
7670  mmap(0x7fbbd67f5000, 45056, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x109000) = 0x7fbbd67f5000
7670  mmap(0x7fbbd6800000, 184544, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fbbd6800000
7670  close(3)                          = 0
7670  open("/proc/cpuinfo", O_RDONLY)   = 3
7670  read(3, "processor\t: 0\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "processor\t: 4\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "", 8191)                 = 0
7670  close(3)                          = 0
7670  open("/proc/cpuinfo", O_RDONLY)   = 3
7670  read(3, "processor\t: 0\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "processor\t: 4\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "", 8191)                 = 0
7670  close(3)                          = 0
7670  sched_getaffinity(0, 128, {ff, 0, 0, 0, 0, 0, 0, 0}) = 64
7670  brk(0xec4000)                     = 0xec4000
7670  brk(0xee5000)                     = 0xee5000
7670  brk(0xf06000)                     = 0xf06000
7670  open("/sys/devices/system/cpu/online", O_RDONLY|O_CLOEXEC) = 3
7670  read(3, "0-7\n", 8192)            = 4
7670  close(3)                          = 0
7670  rt_sigprocmask(SIG_BLOCK, [INT TSTP WINCH], NULL, 8) = 0
7670  stat("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/libmwi18n.so", {st_mode=S_IFREG|0755, st_size=1379640, ...}) = 0
7670  lstat("/users", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
7670  lstat("/users/hamidi", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7670  lstat("/users/hamidi/opt", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7670  lstat("/users/hamidi/opt/MATLAB_2017a", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7670  lstat("/users/hamidi/opt/MATLAB_2017a/bin", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7670  lstat("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64", {st_mode=S_IFDIR|0755, st_size=86016, ...}) = 0
7670  lstat("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/libmwi18n.so", {st_mode=S_IFREG|0755, st_size=1379640, ...}) = 0
7670  open("/users/hamidi/opt/MATLAB_2017a/VersionInfo.xml", O_RDONLY) = 3
7670  read(3, "<?xml version=\"1.0\" encoding=\"UT"..., 8191) = 300
7670  read(3, "", 8191)                 = 0
7670  close(3)                          = 0
7670  uname({sys="Linux", node="titi.lipn.univ-paris13.fr", ...}) = 0
7670  open("/proc/cpuinfo", O_RDONLY)   = 3
7670  read(3, "processor\t: 0\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "processor\t: 4\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "", 8191)                 = 0
7670  close(3)                          = 0
7670  open("/proc/cpuinfo", O_RDONLY)   = 3
7670  read(3, "processor\t: 0\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "processor\t: 4\nvendor_id\t: Genuin"..., 8191) = 4048
7670  read(3, "", 8191)                 = 0
7670  close(3)                          = 0
7670  sched_getaffinity(0, 128, {ff, 0, 0, 0, 0, 0, 0, 0}) = 64

%pre%%pre%%pre%%pre%%pre%%pre%%pre%%pre%%pre%>%pre%%pre%%pre%%pre%04%pre%%pre%%pre%%pre%%pre%"..., 832) = 832
7580  fstat(3, {st_mode=S_IFREG|0555, st_size=1385830, ...}) = 0
7580  mmap(NULL, 3412192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc91cba7000
7580  mprotect(0x7fc91ccb0000, 2097152, PROT_NONE) = 0
7580  mmap(0x7fc91ceb0000, 45056, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x109000) = 0x7fc91ceb0000
7580  mmap(0x7fc91cebb000, 184544, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc91cebb000
7580  close(3)                          = 0
7580  open("/proc/cpuinfo", O_RDONLY)   = 3
7580  read(3, "processor\t: 0\nvendor_id\t: Genuin"..., 8191) = 3129
7580  read(3, "processor\t: 3\nvendor_id\t: Genuin"..., 8191) = 1043
7580  read(3, "", 8191)                 = 0
7580  close(3)                          = 0
7580  gettimeofday({1522673292, 492915}, NULL) = 0
7580  gettimeofday({1522673292, 492915}, NULL) = 0
7580  open("/sys/devices/system/cpu/online", O_RDONLY|O_CLOEXEC) = 3
7580  read(3, "0-3\n", 8192)            = 4
7580  close(3)                          = 0
7580  rt_sigprocmask(SIG_BLOCK, [INT TSTP WINCH], NULL, 8) = 0
7580  stat("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/libmwi18n.so", {st_mode=S_IFREG|0755, st_size=1379640, ...}) = 0
7580  lstat("/users", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
7580  lstat("/users/hamidi", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7580  lstat("/users/hamidi/opt", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7580  lstat("/users/hamidi/opt/MATLAB_2017a", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7580  lstat("/users/hamidi/opt/MATLAB_2017a/bin", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
7580  lstat("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64", {st_mode=S_IFDIR|0755, st_size=86016, ...}) = 0
7580  lstat("/users/hamidi/opt/MATLAB_2017a/bin/glnxa64/libmwi18n.so", {st_mode=S_IFREG|0755, st_size=1379640, ...}) = 0
7580  open("/users/hamidi/opt/MATLAB_2017a/VersionInfo.xml", O_RDONLY) = 3
7580  read(3, "<?xml version=\"1.0\" encoding=\"UT"..., 8191) = 300
7580  read(3, "", 8191)                 = 0
7580  close(3)                          = 0
7580  uname({sys="Linux", node="bailly.lipn.univ-paris13.fr", ...}) = 0
7580  open("/proc/cpuinfo", O_RDONLY)   = 3
7580  read(3, "processor\t: 0\nvendor_id\t: Genuin"..., 8191) = 3129
7580  read(3, "processor\t: 3\nvendor_id\t: Genuin"..., 8191) = 1043
7580  read(3, "", 8191)                 = 0
7580  close(3)                          = 0

  • Saída de strace on titi (o Matlab funciona bem):

    strace -f -o opção matlab.titi.strace / MATLAB_2017a / bin / glnxa64 / MATLAB

indica o seguinte (2ª, 3ª, 4ª e 5ª chamadas para abrir / ler estão aparecendo):

%pre%     
por Massinissa 02.04.2018 / 15:29

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