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php8.3 swoole5.1.3 kernel: php[1048884]: segfault at 48 ip 00007f82db25f197 sp 00007ffc466aa9c0 error 4 in swoole.so[7f82db1df000+1a2000] #5410

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mdys opened this issue Jul 15, 2024 · 14 comments
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php8.3 swoole5.1.3 kernel: php[1048884]: segfault at 48 ip 00007f82db25f197 sp 00007ffc466aa9c0 error 4 in swoole.so[7f82db1df000+1a2000] #5410

mdys opened this issue Jul 15, 2024 · 14 comments
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@mdys
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mdys commented Jul 15, 2024 •
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Please answer these questions before submitting your issue.

  1. What did you do? If possible, provide a simple script for reproducing the error.
    使用swoole coroutine+task完成日均百万级数量耗时任务处理，在任务开启后头一小时运行还算正常，之后会越来越慢，然后崩溃卡住。
    图片
    图片

然后收到如下错误：
kernel: php[1048884]: segfault at 48 ip 00007f82db25f197 sp 00007ffc466aa9c0 error 4 in swoole.so[7f82db1df000+1a2000]
`
[2024-07-15 09:02:22 #3280935.0] WARNING Server::check_worker_exit_status(): worker(pid=1105515, id=303) abnormal exit, status=0, signal=11
A bug occurred in Swoole-v5.1.3, please report it.
The Swoole developers probably don't know about it,
and unless you report it, chances are it won't be fixed.
You can read How to report a bug doc before submitting any bug reports:

https://github.com/swoole/swoole-src/blob/master/.github/ISSUE.md
Please do not send bug reports in the mailing list or personal letters.
The issue page is also suitable to submit feature requests.

OS: Linux 3.10.0-1160.119.1.el7.x86_64 #1 SMP Tue Jun 4 14:43:51 UTC 2024 x86_64
GCC_VERSION: 10.2.1 20210130 (Red Hat 10.2.1-11)
OPENSSL_VERSION: OpenSSL 1.0.2k-fips 26 Jan 2017
PHP_VERSION : 8.3.8
gdb core-php-1062455-1721031782Type "apropos word" to search for commands related to "word"...
BFD: warning: /root/core-php-1062455-1721031782 is truncated: expected core file size >= 3330588672, found: 543755968
BFD: warning: /root/core-php-1062455-1721031782 is truncated: expected core file size >= 3330588672, found: 543755968
[New LWP 1062455]
Failed to read a valid object file image from memory.
Core was generated by `50001event_swoole4_process_server_worker '.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f82db25f197 in ?? ()
(gdb) f 0
#0 0x00007f82db25f197 in ?? ()
(gdb) f 1
#0 0x0000000000000000 in ?? ()
(gdb) bt
#0 0x00007f82db25f197 in ?? ()
Backtrace stopped: Cannot access memory at address 0x7ffc466aa9c0

`
2. What did you expect to see?
解决运行异常

  1. What did you see instead?

/var/log/messages 不断增加 Jul 15 09:29:37 localhost kernel: php[1233287]: segfault at 48 ip 00007fb90b3b8197 sp 00007ffdf2188c70 error 4 in swoole.so[7fb90b338000+1a2000]
core-dump 文件不断产生错误 core-php-1079730-1721032383

  1. What version of Swoole are you using (show your php --ri swoole)?

Swoole => enabled
Author => Swoole Team team@swoole.com
Version => 5.1.3
Built => Jun 6 2024 10:37:52
coroutine => enabled with boost asm context
trace_log => enabled
epoll => enabled
eventfd => enabled
signalfd => enabled
cpu_affinity => enabled
spinlock => enabled
rwlock => enabled
sockets => enabled
openssl => OpenSSL 1.0.2k-fips 26 Jan 2017
http2 => enabled
json => enabled
pcre => enabled
c-ares => 1.32.1
zlib => 1.2.7
mutex_timedlock => enabled
pthread_barrier => enabled
futex => enabled
mysqlnd => enabled
async_redis => enabled
coroutine_odbc => enabled
coroutine_sqlite => enabled
Directive => Local Value => Master Value
swoole.enable_coroutine => On => On
swoole.enable_library => On => On
swoole.enable_fiber_mock => Off => Off
swoole.enable_preemptive_scheduler => Off => Off
swoole.display_errors => On => On
swoole.use_shortname => On => On
swoole.unixsock_buffer_size => 8388608 => 8388608

  1. What is your machine environment used (show your uname -a & php -v & gcc -v) ?
    CentOS Linux release 7.9.2009 3.10.0-1160.119.1.el7.x86_64
    Mem : 256G
    CPU : 128C
    PHP 8.3.8 (cli) (built: Jun 4 2024 14:53:17) (NTS gcc x86_64)
    Copyright (c) The PHP Group
    Zend Engine v4.3.8, Copyright (c) Zend Technologies
    with Zend OPcache v8.3.8, Copyright (c), by Zend Technologies [PHP Modules]
    ast bcmath brotli bz2 calendar Core ctype curl date dba dom enchant exif fileinfo filter ftp gd gettext gmp hash iconv igbinary imagick imap intl json ldap libxml maxminddb mbstring mcrypt msgpack mysqli mysqlnd odbc openssl pcntl pcre PDO pdo_mysql PDO_ODBC pdo_sqlite Phar posix random readline redis Reflection session shmop SimpleXML soap sockets sodium SPL sqlite3 standard swoole sysvmsg sysvsem sysvshm tokenizer xlswriter xml xmlreader xmlrpc xmlwriter xsl Zend OPcache zip zlib
    [Zend Modules]
    Zend OPcache

Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/opt/rh/devtoolset-8/root/usr/libexec/gcc/x86_64-redhat-linux/8/lto-wrapper
Target: x86_64-redhat-linux
Configured with: ../configure --enable-bootstrap --enable-languages=c,c++,fortran,lto --prefix=/opt/rh/devtoolset-8/root/usr --mandir=/opt/rh/devtoolset-8/root/usr/share/man --infodir=/opt/rh/devtoolset-8/root/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared --enable-threads=posix --enable-checking=release --enable-multilib --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-gcc-major-version-only --with-linker-hash-style=gnu --with-default-libstdcxx-abi=gcc4-compatible --enable-plugin --enable-initfini-array --with-isl=/builddir/build/BUILD/gcc-8.3.1-20190311/obj-x86_64-redhat-linux/isl-install --disable-libmpx --enable-gnu-indirect-function --with-tune=generic --with-arch_32=x86-64 --build=x86_64-redhat-linux
Thread model: posix
gcc version 8.3.1 20190311 (Red Hat 8.3.1-3) (GCC)
@NathanFreeman
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把maxminddb 这个扩展注释了试试有没有问题

@mdys
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mdys commented Jul 16, 2024

ok 感谢。 我取消观察下

@mdys
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mdys commented Jul 16, 2024 •
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maxminddb
设置了 'max_request' => 0,
另外请问下 这种情况如何可以避免呢？我这边有websocket服务，不希望中途worker中断，请问这个需要怎么操作啊？在运行半天左右就会出现一次。谢谢！
[2024-07-16 05:32:02 #2018835.0] WARNING Server::check_worker_exit_status(): worker(pid=2888018, id=281) abnormal exit, status=255, signal=0
[2024-07-16 05:32:34 #2018835.0] INFO Server is reloading all workers now
[2024-07-16 05:32:35 *2019357.0] WARNING swoole_signalfd_event_callback() (ERRNO 721): Unable to find callback function for signal User defined signal 1: 10
[2024-07-16 05:32:35 *2019365.4] WARNING swoole_signalfd_event_callback() (ERRNO 721): Unable to find callback function for signal User defined signal 1: 10
[2024-07-16 05:32:35 *2019361.2] WARNING swoole_signalfd_event_callback() (ERRNO 721): Unable to find callback function for signal User defined signal 1: 10
[2024-07-16 05:32:35 *2019359.1] WARNING swoole_signalfd_event_callback() (ERRNO 721): Unable to find callback function for signal User defined signal 1: 10
[2024-07-16 05:32:35 *2019363.3] WARNING swoole_signalfd_event_callback() (ERRNO 721): Unable to find callback function for signal User defined signal 1: 10
[2024-07-16 05:32:35 *2019367.5] WARNING swoole_signalfd_event_callback() (ERRNO 721): Unable to find callback function for signal User defined signal 1: 10
[2024-07-16 05:32:35 *3189624.0] WARNING swoole_signalfd_event_callback() (ERRNO 721): Unable to find callback function for signal User defined signal 1: 10
[2024-07-16 05:32:35 *3189630.7] WARNING swoole_signalfd_event_callback() (ERRNO 721): Unable to find callback function for signal User defined signal 1: 10
[2024-07-16 05:32:35 *3189631.5] WARNING swoole_signalfd_event_callback() (ERRNO 721): Unable to find callback function for signal User defined signal 1: 10
[2024-07-16 05:32:35 *3189625.4] WARNING swoole_signalfd_event_callback() (ERRNO 721): Unable to find callback function for signal User defined signal 1: 10

@firedtoad
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firedtoad commented Jul 16, 2024 via email

@mdys
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mdys commented Jul 16, 2024

感谢指点，请问这个怎么优化下呢？产生的core-dump文件有2个多G。

@firedtoad
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firedtoad commented Jul 16, 2024 via email

@mdys
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mdys commented Jul 16, 2024

再帮看下 感谢 图片

@firedtoad
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firedtoad commented Jul 16, 2024 via email

@firedtoad
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firedtoad commented Jul 16, 2024 via email

@firedtoad
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firedtoad commented Jul 16, 2024 via email

@mdys
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mdys commented Jul 16, 2024

是的，我的GLIBC 是后来升级到2.31得， swoole是 直接yum安装的。
不好意思我没有gdb调试的经验，请问是这样么？
你安装一下调试符号，看一下行号
图片

@mdys
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mdys commented Jul 16, 2024

盲猜一个原因，你编译swoole的机器和执行代码的机器不是同一个操作系统环境
我试试重新根据现在的环境编译一份看看 -_-"
感谢指点迷津

@firedtoad
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firedtoad commented Jul 16, 2024 via email

@mdys
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mdys commented Jul 16, 2024

感谢大佬解惑！！！ 非常感谢，我重新编译下 ，困扰我老久了

@matyhtf matyhtf closed this as completed Jul 18, 2024
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@firedtoad @mdys @matyhtf @NathanFreeman