Legacy ImageMagick Discussions Archive

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(gdb) run
Starting program: /usr/local/bin/php examples/client.php
[Thread debugging using libthread_db enabled]
[New Thread 0x7ffff0e57700 (LWP 25866)]
[New Thread 0x7ffff0656700 (LWP 25867)]
^C
Program received signal SIGINT, Interrupt.
0x00007ffff66e4113 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
87      ../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
        in ../sysdeps/unix/sysv/linux/poll.c
(gdb) bt
#0  0x00007ffff66e4113 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ffff0efa450 in zmq::signaler_t::wait (this=<value optimized out>, timeout_=-1) at signaler.cpp:159
#2  0x00007ffff0eed84a in zmq::mailbox_t::recv (this=0xd31dd8, cmd_=0x7fffffffc0f0, timeout_=-1) at mailbox.cpp:68
#3  0x00007ffff0efac29 in zmq::socket_base_t::process_commands (this=0xd31cf0, timeout_=<value optimized out>, throttle_=false) at socket_base.cpp:729
#4  0x00007ffff0efaf02 in zmq::socket_base_t::recv (this=0xd31cf0, msg_=0x7fffffffc1e0, flags_=0) at socket_base.cpp:622
#5  0x00007ffff0f03206 in zmq_recvmsg (s_=0xd31cf0, msg_=0x7fffffffc1e0, flags_=0) at zmq.cpp:278
#6  0x00007ffff111ab0a in php_zmq_recv (intern=0xd0a1c8, flags=0, return_value=0xd094a8) at /mnt/hgfs/projects/php-zmq/zmq.c:642
#7  0x00007ffff111ac64 in php_zmq_recvmsg_impl (ht=0, return_value=0xd094a8, return_value_ptr=0x0, this_ptr=0xd09430, return_value_used=1) at /mnt/hgfs/projects/php-zmq/zmq.c:671
#8  0x00007ffff111ad20 in zim_zmqsocket_recv (ht=0, return_value=0xd094a8, return_value_ptr=0x0, this_ptr=0xd09430, return_value_used=1) at /mnt/hgfs/projects/php-zmq/zmq.c:694
#9  0x000000000070e78b in zend_do_fcall_common_helper_SPEC (execute_data=0x7ffff0e58090) at /root/PHP_5_3/Zend/zend_vm_execute.h:320
#10 0x000000000070ef13 in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER (execute_data=0x7ffff0e58090) at /root/PHP_5_3/Zend/zend_vm_execute.h:425
#11 0x000000000070db05 in execute (op_array=0xd0a250) at /root/PHP_5_3/Zend/zend_vm_execute.h:107
#12 0x00000000006d7544 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /root/PHP_5_3/Zend/zend.c:1194
#13 0x0000000000656947 in php_execute_script (primary_file=0x7fffffffe9b0) at /root/PHP_5_3/main/main.c:2275
#14 0x00000000007cb579 in main (argc=2, argv=0x7fffffffec08) at /root/PHP_5_3/sapi/cli/php_cli.c:1193
(gdb) frame 14
#14 0x00000000007cb579 in main (argc=2, argv=0x7fffffffec08) at /root/PHP_5_3/sapi/cli/php_cli.c:1193
1193                            php_execute_script(&file_handle TSRMLS_CC);
(gdb) print jrand_seed
$1 = {29218, 49784, 20029}

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Starting program: /usr/local/bin/php examples/client.php
[Thread debugging using libthread_db enabled]
[New Thread 0x7ffff0e57700 (LWP 25933)]
[New Thread 0x7ffff0656700 (LWP 25934)]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff194a882 in get_random_fd () at gen_uuid.c:156
156                     jrand_seed[0] = getpid() ^ (tv.tv_sec & 0xFFFF);
(gdb) bt
#0  0x00007ffff194a882 in get_random_fd () at gen_uuid.c:156
#1  0x00007ffff194b729 in uuid_generate (out=0x7ffff7fe3010 "\003") at gen_uuid.c:674
#2  0x00007ffff0ef5a76 in zmq::generate_random (buf_=0xd324d4, size_=0) at random.cpp:34
#3  0x00007ffff0ef6361 in req_t (this=0xd32260, parent_=<value optimized out>, tid_=<value optimized out>) at req.cpp:38
#4  0x00007ffff0efb846 in zmq::socket_base_t::create (type_=<value optimized out>, parent_=0xd2f450, tid_=4) at socket_base.cpp:86
#5  0x00007ffff0ee62d9 in zmq::ctx_t::create_socket (this=0xd2f450, type_=3) at ctx.cpp:183
#6  0x00007ffff1119913 in php_zmq_socket_new (context=0xd2f430, type=3, is_persistent=1 '\001') at /mnt/hgfs/projects/php-zmq/zmq.c:214
#7  0x00007ffff1119c2c in php_zmq_socket_get (context=0xd2f430, type=3, persistent_id=0xd0cf78 "MySock1", is_new=0x7fffffffc2bf "") at /mnt/hgfs/projects/php-zmq/zmq.c:282
#8  0x00007ffff111a246 in zim_zmqsocket___construct (ht=3, return_value=0xd0b980, return_value_ptr=0x0, this_ptr=0xd09780, return_value_used=0) at /mnt/hgfs/projects/php-zmq/zmq.c:453
#9  0x000000000070e78b in zend_do_fcall_common_helper_SPEC (execute_data=0x7ffff0e58090) at /root/PHP_5_3/Zend/zend_vm_execute.h:320
#10 0x000000000070ef13 in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER (execute_data=0x7ffff0e58090) at /root/PHP_5_3/Zend/zend_vm_execute.h:425
#11 0x000000000070db05 in execute (op_array=0xd0a4b0) at /root/PHP_5_3/Zend/zend_vm_execute.h:107
#12 0x00000000006d7544 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /root/PHP_5_3/Zend/zend.c:1194
#13 0x0000000000656947 in php_execute_script (primary_file=0x7fffffffe9e0) at /root/PHP_5_3/main/main.c:2275
#14 0x00000000007cb579 in main (argc=2, argv=0x7fffffffec38) at /root/PHP_5_3/sapi/cli/php_cli.c:1193
(gdb) frame 14
#14 0x00000000007cb579 in main (argc=2, argv=0x7fffffffec38) at /root/PHP_5_3/sapi/cli/php_cli.c:1193
1193                            php_execute_script(&file_handle TSRMLS_CC);
(gdb) print jrand_seed
Cannot access memory at address 0x44

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#ifdef HAVE_TLS
#define THREAD_LOCAL static __thread
#else
#define THREAD_LOCAL static
#endif

#if defined(linux) && defined(__NR_gettid) && defined(HAVE_JRAND48)
#define DO_JRAND_MIX
THREAD_LOCAL unsigned short jrand_seed[3];
#endif
[code]

I really don't understand what is going on in here. Also changing load order where zmq.so (another extension using uuid_generate) is loaded before Imagick makes this go away

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./configure --disable-openmp
[code]

This eliminates the segfault for me.