Da ist leider nichts was ich machen kann. Es ist laut Recherche ein Fehler im Linux Kernel. Ihr könnt also versuchen euer System noch einmal mit z.B. rpi-update / apt-get upgrade zu aktualisieren. Falls das nicht hilft, heißt es leider warten bis Raspbian fixes für das Problem bringt.
Betroffen sind alle Netzwerk Befehle… wie cURL, Sys_Ping, Sys_GetURLContent, file_get_contents.
Als Referenz:
Steven Schlansker - Indefinite hang in getaddrinfo / check_pf / make_request
12926 – getaddrinfo()/make_request() may spin forever
LKML: Guenter Roeck: Re: Glibc recvmsg from kernel netlink socket hangs forever
Glibc recvmsg from kernel netlink socket hangs forever | Linux | Kernel
Bug 1209433 – Deadlock in __check_pf()
Relevante Backtraces von IP-Symcon:
#0 0x7691b6b0 in recvmsg () at ../sysdeps/unix/syscall-template.S:82
#1 0x7693c7d8 in make_request (fd=40, pid=8379, seen_ipv4=0x6e5fafb6,
seen_ipv6=0x6e5fafb7, in6ai=0x6e5fafa0, in6ailen=0x6e5fafa4)
at ../sysdeps/unix/sysv/linux/check_pf.c:119
#2 0x7693cc28 in __check_pf (seen_ipv4=0x6e5fafb6, seen_ipv6=0x6e5fafb7,
in6ai=0x6e5fafa0, in6ailen=0x6e5fafa4)
at ../sysdeps/unix/sysv/linux/check_pf.c:270
#3 0x768f8160 in __GI_getaddrinfo (name=0x613573c0 "10.0.1.140",
service=<optimized out>, hints=0x6e5fb018, pai=0x6e5fafec)
at ../sysdeps/posix/getaddrinfo.c:2389
#4 0x76ce681c in ?? () from /usr/lib/arm-linux-gnueabihf/libcurl.so.4
--------------------------
#0 0x7691b6b0 in recvmsg () at ../sysdeps/unix/syscall-template.S:82
#1 0x7693c7d8 in make_request (fd=38, pid=8379, seen_ipv4=0x6edfa4be,
seen_ipv6=0x6edfa4bf, in6ai=0x6edfa4a8, in6ailen=0x6edfa4ac)
at ../sysdeps/unix/sysv/linux/check_pf.c:119
#2 0x7693cc28 in __check_pf (seen_ipv4=0x6edfa4be, seen_ipv6=0x6edfa4bf,
in6ai=0x6edfa4a8, in6ailen=0x6edfa4ac)
at ../sysdeps/unix/sysv/linux/check_pf.c:270
#3 0x768f8160 in __GI_getaddrinfo (name=0x3ba15b0 "10.0.1.111",
service=<optimized out>, hints=0x6edfa4f8, pai=0x6edfa4f4)
at ../sysdeps/posix/getaddrinfo.c:2389
#4 0x00bf9ecc in php_network_getaddresses ()
#5 0x00bfa7a4 in php_network_connect_socket_to_host ()
#6 0x008f5728 in php_tcp_sockop_set_option ()
#7 0x00a23b94 in php_openssl_sockop_set_option ()
at /home/pi/kernelcpp/res/php-5.6.17/ext/openssl/xp_ssl.c:2240
#8 0x008ee1c4 in _php_stream_set_option ()
at /home/pi/kernelcpp/res/php-5.6.17/main/streams/streams.c:1357
#9 0x008f3fc0 in php_stream_xport_connect ()
#10 0x008f437c in _php_stream_xport_create ()
#11 0x00ba57a0 in php_stream_url_wrap_http_ex ()
#12 0x00ba86d8 in php_stream_url_wrap_http ()
#13 0x008ef58c in _php_stream_open_wrapper_ex ()
--------------------------------------
#0 0x7691b6b0 in recvmsg () at ../sysdeps/unix/syscall-template.S:82
#1 0x7693c7d8 in make_request (fd=39, pid=8379, seen_ipv4=0x70dfb606,
seen_ipv6=0x70dfb607, in6ai=0x70dfb5f0, in6ailen=0x70dfb5f4)
at ../sysdeps/unix/sysv/linux/check_pf.c:119
#2 0x7693cc28 in __check_pf (seen_ipv4=0x70dfb606, seen_ipv6=0x70dfb607,
in6ai=0x70dfb5f0, in6ailen=0x70dfb5f4)
at ../sysdeps/unix/sysv/linux/check_pf.c:270
#3 0x768f8160 in __GI_getaddrinfo (name=0x6633f754 "10.0.1.111",
service=<optimized out>, hints=0x76961764, pai=0x70dfb640)
at ../sysdeps/posix/getaddrinfo.c:2389
#4 0x005c9214 in Glue::PHPExtension::Sys_Ping(int, _zval_struct*, _zval_struct**, _zval_struct*, int, void***) ()
#5 0x009df98c in zend_do_fcall_common_helper_SPEC ()
at /home/pi/kernelcpp/res/php-5.6.17/Zend/zend_vm_execute.h:558
#6 0x00969fd8 in execute_ex ()
at /home/pi/kernelcpp/res/php-5.6.17/Zend/zend_vm_execute.h:363
#7 0x009dd600 in zend_execute ()
at /home/pi/kernelcpp/res/php-5.6.17/Zend/zend_vm_execute.h:388
#8 0x009378b4 in zend_execute_scripts ()
#9 0x008d6c20 in php_execute_script ()
#10 0x007885a8 in IPSScriptEngine::RunScriptThread(IPSScriptThreadEx&) ()
#11 0x76a69848 in ?? () from /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
#12 0x76a69848 in ?? () from /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
paresy