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排查recv() failed. Error: Resource temporarily unavailable ［11］

基本信息： PHP 5.6 使用pecl安装的Swoole 1.7.10 。
运行了文档提供的入门脚本
github.com/shijij/swoole-doc/blob/master/01-%E7%8E%AF%E5%A2%83%E6%90%AD%E5%BB%BA%E5%8F%8A%E6%89%A9%E5%B1%95%E5%AE%89%E8%A3%85.md

先运行Server，没有报错。

运行Client报错：
php client.php
PHP Warning:  swoole_client::recv(): recv() failed. Error: Resource temporarily unavailable [11] in /home/xxx/dev/sw/client.php on line 14
Get Message From Server:

根据官方文档排查：
wiki.swoole.com/wiki/page/234.html

tcpdump：
{{{
tcpdump: listening on lo, link-type EN10MB (Ethernet), capture size 65535 bytes
12:05:37.452915 IP (tos 0x0, ttl 64, id 30975, offset 0, flags [DF], proto TCP (6), length 60)
    localhost.51651 > localhost.9501: Flags [S], cksum 0xfe30 (incorrect -> 0x5ab2), seq 3498161607, win 43690, options [mss 65495,sackOK,TS val 135974200 ecr 0,nop,wscale 7], length 0
23:32:24.923021 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 60)
    localhost.9501 > localhost.51651: Flags [S.], cksum 0xfe30 (incorrect -> 0x65db), seq 241373456, ack 3498161608, win 43690, options [mss 65495,sackOK,TS val 135974200 ecr 135974200,nop,wscale 7], length 0
12:05:37.452970 IP (tos 0x0, ttl 64, id 30976, offset 0, flags [DF], proto TCP (6), length 52)
    localhost.51651 > localhost.9501: Flags [.], cksum 0xfe28 (incorrect -> 0x3820), seq 1, ack 1, win 342, options [nop,nop,TS val 135974200 ecr 135974200], length 0
12:05:41.056923 IP (tos 0x0, ttl 64, id 30977, offset 0, flags [DF], proto TCP (6), length 61)
    localhost.51651 > localhost.9501: Flags [P.], cksum 0xfe31 (incorrect -> 0x390d), seq 1:10, ack 1, win 342, options [nop,nop,TS val 135975281 ecr 135974200], length 9
12:05:41.056945 IP (tos 0x0, ttl 64, id 56361, offset 0, flags [DF], proto TCP (6), length 52)
    localhost.9501 > localhost.51651: Flags [.], cksum 0xfe28 (incorrect -> 0x2fa5), seq 1, ack 10, win 342, options [nop,nop,TS val 135975281 ecr 135975281], length 0
12:05:41.056992 IP (tos 0x0, ttl 64, id 30978, offset 0, flags [DF], proto TCP (6), length 52)
    localhost.51651 > localhost.9501: Flags [F.], cksum 0xfe28 (incorrect -> 0x2fa4), seq 10, ack 1, win 342, options [nop,nop,TS val 135975281 ecr 135975281], length 0
12:05:41.094300 IP (tos 0x0, ttl 64, id 56362, offset 0, flags [DF], proto TCP (6), length 52)
    localhost.9501 > localhost.51651: Flags [.], cksum 0xfe28 (incorrect -> 0x2f98), seq 1, ack 11, win 342, options [nop,nop,TS val 135975293 ecr 135975281], length 0

}}}

好像Checksum全部出错，这是什么情况？

发布于10年前 · 8 次浏览 · 来自提问

律

律香川

先运行Server，没有报错。

根据官方文档排查：
wiki.swoole.com/wiki/page/234.html

}}}

好像Checksum全部出错，这是什么情况？