[TS-981] Remove libev support (it's not well support, and might crash)

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.1.4
• Component/s: Core

Environment

4 core desktop. Centos 5.6, kernel 2.6.39.2 compiled with TPROXY support.
ATS compiled as: ./configure --enable-tproxy --enable-libev

• Assignee: Leif Hedstrom
• Reporter: Danny Shporer
• Created: 13/Oct/11 07:02
• Updated: 06/Jun/12 00:01
• Resolved: 30/Mar/12 01:35

Description

ATS crashes under heavy load testing - around 25,000 HTTP transactions per second.
I have tested it on both vesions 3.0.0 and 3.0.1 and the same happens.

GDB info:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x42174940 (LWP 6663)]
0x000000000068fd4b in modify (this=0x2aaaab12c628, event=<value optimized out>, e=<value optimized out>) at P_UnixNet.h:536
536 fd_change(event_loop->eio, eio.fd, 0);
(gdb) bt
#0 0x000000000068fd4b in modify (this=0x2aaaab12c628, event=<value optimized out>, e=<value optimized out>) at P_UnixNet.h:536
#1 NetHandler::mainNetEvent (this=0x2aaaab12c628, event=<value optimized out>, e=<value optimized out>) at UnixNet.cc:432
#2 0x00000000006bfc4f in EThread::process_event (this=0x2aaaab12b010, e=0xf44570, calling_code=5) at I_Continuation.h:146
#3 0x00000000006c055c in EThread::execute (this=0x2aaaab12b010) at UnixEThread.cc:262
#4 0x00000000006bef8e in spawn_thread_internal (a=0xf35c90) at Thread.cc:88
#5 0x0000003e9dc0673d in start_thread () from /lib64/libpthread.so.0
#6 0x0000003e9d0d44bd in clone () from /lib64/libc.so.6
(gdb) info f
Stack level 0, frame at 0x42174030:
rip = 0x68fd4b in modify (P_UnixNet.h:536); saved rip 0x6bfc4f
inlined into frame 1
source language c++.
Arglist at unknown address.
Locals at unknown address, Previous frame's sp in rsp