mod_status shows loads of children in Keepalive state with Seconds Since much higher than KeepAliveTimeout eventually the number of these reaches MaxClients, wedging the server hung process backtrace like this: (gdb) bt #0 0x2814d118 in read () from /usr/lib/libc.so.4 #1 0x2830e69f in ssl_io_hook_read () from /usr/local/libexec/apache/libssl.so #2 0x806d256 in ap_hook_call_func () #3 0x806ce7b in ap_hook_call [...]
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