Hi Pavlos, On Thu, Dec 07, 2017 at 10:18:02PM +0100, Pavlos Parissis wrote: > On 07/12/2017 07:41 uu, Willy Tarreau wrote: > > It looks like it doesn't finish to startup in fact. Are you seeing it spin > > on the CPU maybe ? > > Yes, it does. I am sorry but I didn't notice it
no pb. > pparissis at poseidonas in ~/repo/haproxy-1.8 on (master u=) > sudo gdb ./haproxy > GNU gdb (Debian 7.12-6) 7.12.0.20161007-git > Copyright (C) 2016 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. Type "show copying" > and "show warranty" for details. > This GDB was configured as "x86_64-linux-gnu". > Type "show configuration" for configuration details. > For bug reporting instructions, please see: > <http://www.gnu.org/software/gdb/bugs/>. > Find the GDB manual and other documentation resources online at: > <http://www.gnu.org/software/gdb/documentation/>. > For help, type "help". > Type "apropos word" to search for commands related to "word"... > Reading symbols from ./haproxy...done. > (gdb) run -f /etc/haproxy/haproxy-ams4-dc.cfg > Starting program: /home/pparissis/repo/haproxy-1.8/haproxy -f > /etc/haproxy/haproxy-ams4-dc.cfg > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". > [WARNING] 340/221611 (13628) : parsing [/etc/haproxy/haproxy-ams4-dc.cfg:103] > : a > 'http-request' rule placed after a 'use_backend' rule will still be processed > before. > ^C > Program received signal SIGINT, Interrupt. > 0x000055555562e302 in register_name (name=0x5555558ee294 "selected_dc_backup", > len=18, scope=scope@entry=0x7fffffffd83c, > alloc=alloc@entry=1, err=0x7fffffffdb28) at src/vars.c:215 > 215 HA_RWLOCK_WRLOCK(VARS_LOCK, &var_names_rwlock); Ah, this looks like a double-lock :-) CCing Christopher who knows better than me how to track them. > (gdb) bt full > #0 0x000055555562e302 in register_name (name=0x5555558ee294 > "selected_dc_backup", > len=18, scope=scope@entry=0x7fffffffd83c, > alloc=alloc@entry=1, err=0x7fffffffdb28) at src/vars.c:215 > i = <optimized out> > var_names2 = <optimized out> > tmp = <optimized out> > res = 0x0 > #1 0x000055555562f489 in vars_check_arg (arg=0x5555558ee600, err=<optimized > out>) > at src/vars.c:502 > name = <optimized out> > scope = SCOPE_REQ > err = <optimized out> > arg = 0x5555558ee600 > #2 0x0000555555609b94 in sample_parse_expr (str=str@entry=0x5555558ee598, > idx=idx@entry=0x7fffffffd964, > file=file@entry=0x5555558df420 "/etc/haproxy/haproxy-ams4-dc.cfg", > line=line@entry=106, err_msg=err_msg@entry=0x7fffffffdb28, > al=al@entry=0x5555558e85d8) at src/sample.c:901 > begw = <optimized out> > endw = 0x5555558df4c2 "req.selected_dc_backup)" > endt = 0x5555558df4d8 ")" > expr = 0x5555558ee5c0 > fetch = 0x5555558ade30 <sample_fetch_keywords+16> > conv = <optimized out> > prev_type = 6 > fkw = 0x5555558ee2f0 "var" > ckw = 0x0 > err_arg = 1 > #3 0x0000555555630144 in parse_acl_expr (args=args@entry=0x5555558ee598, > err=err@entry=0x7fffffffdb28, al=al@entry=0x5555558e85d8, > file=file@entry=0x5555558df420 "/etc/haproxy/haproxy-ams4-dc.cfg", > line=106) > at src/acl.c:351 > expr = <optimized out> > aclkw = 0x0 > refflags = <optimized out> > patflags = <optimized out> > arg = <optimized out> > smp = 0x0 > idx = 0 > ckw = 0x0 > begw = <optimized out> > endw = <optimized out> > endt = <optimized out> > cur_type = <optimized out> > nbargs = <optimized out> > operator = 2 > op = <optimized out> > contain_colon = <optimized out> > have_dot = <optimized out> > dot = <optimized out> > value = 3 > minor = 40 > buffer = "\000\000\000\000\000\000\000\000\003\000\000\000\060", > '\000' > <repeats 19 times>, "[\000\000\000n\000\000\000\000" > is_loaded = <optimized out> > unique_id = <optimized out> > error = 0x50 <error: Cannot access memory at address 0x50> > ref = <optimized out> > pattern_expr = <optimized out> > load_as_map = 0 > acl_conv_found = 0 > #4 0x0000555555630e50 in parse_acl (args=args@entry=0x5555558ee590, > known_acl=known_acl@entry=0x5555558e6de8, > err=err@entry=0x7fffffffdb28, al=al@entry=0x5555558e85d8, > file=file@entry=0x5555558df420 "/etc/haproxy/haproxy-ams4-dc.cfg", > line=line@entry=106) at src/acl.c:725 > cur_acl = <optimized out> > acl_expr = <optimized out> > name = <optimized out> > pos = <optimized out> > #5 0x0000555555631293 in parse_acl_cond (args=0x7fffffffdc68, > known_acl=0x5555558e6de8, pol=<optimized out>, > err=err@entry=0x7fffffffdb28, al=al@entry=0x5555558e85d8, > file=file@entry=0x5555558df420 "/etc/haproxy/haproxy-ams4-dc.cfg", > line=106) at src/acl.c:976 > arg_end = 6 > args_new = 0x5555558ee590 > arg = <optimized out> > neg = 0 > word = <optimized out> > cur_acl = <optimized out> > cur_term = <optimized out> > cur_suite = 0x5555558ee450 > cond = 0x5555558ee400 > suite_val = 524287 > #6 0x0000555555631611 in build_acl_cond (file=file@entry=0x5555558df420 > "/etc/haproxy/haproxy-ams4-dc.cfg", line=line@entry=106, > known_acl=<optimized out>, px=0x5555558e6db0, args=<optimized out>, > args@entry=0x7fffffffdc60, err=err@entry=0x7fffffffdb28) > at src/acl.c:1079 > pol = <optimized out> > cond = 0x0 > #7 0x00005555555a5351 in cfg_parse_listen (file=0x5555558df420 > "/etc/haproxy/haproxy-ams4-dc.cfg", linenum=106, > args=0x7fffffffdc50, kwm=<optimized out>) at src/cfgparse.c:3969 > rule = <optimized out> > curproxy = 0x5555558e6db0 > err = <optimized out> > error = 0x5555558dfc60 "\210$\255\373\377\177" > rc = 0 > val = 0 > err_code = 0 > cond = 0x0 > tmplogsrv = <optimized out> > errmsg = 0x0 > #8 0x00005555555ad153 in readcfgfile (file=0x5555558df420 > "/etc/haproxy/haproxy-ams4-dc.cfg") at src/cfgparse.c:7431 > kwm = <optimized out> > end = <optimized out> > line = <optimized out> > dquote = <optimized out> > arg = <optimized out> > args = {0x5555558df454 "use_backend", 0x5555558df460 > "www.booking.com_http_lhr4", 0x5555558df47a "if", > 0x5555558df47d "www.booking.com_http_ams4_down", 0x5555558df49c > "!www.booking.com_http_lhr4_down", 0x5555558df4bc "{", > 0x5555558df4be "var(req.selected_dc_backup)", 0x5555558df4da "eq", > 0x5555558df4dd "0", 0x5555558df4df "}", > 0x5555558df4e0 "" <repeats 55 times>} > squote = <optimized out> > thisline = 0x5555558df450 " use_backend" > linesize = 2048 > f = 0x5555558dfc60 > linenum = <optimized out> > err_code = 1 > cs = 0x5555558d2540 > pcs = 0x5555558d2540 > ics = <optimized out> > readbytes = <optimized out> > #9 0x00005555555f056d in init (argc=<optimized out>, argv=<optimized out>) at > src/haproxy.c:1503 > ret = <optimized out> > arg_mode = <optimized out> > tmp = <optimized out> > cfg_pidfile = <optimized out> > err_code = 0 > err_msg = 0x0 > wl = 0x5555558df400 > progname = 0x7fffffffe4e1 "haproxy" > change_dir = <optimized out> > px = <optimized out> > pcf = <optimized out> > #10 0x000055555556ddab in main (argc=<optimized out>, argv=0x7fffffffe278) at > src/haproxy.c:2448 > ---Type <return> to continue, or q <return> to quit--- > err = <optimized out> > retry = <optimized out> > limit = {rlim_cur = 140737488347800, rlim_max = 140737488347768} > errmsg = > "\002\000\000\000\000\000\000\000\003\000\000\000\062\000\000\000 > \000\000\000\000\000\000\000P", '\000' <repeats 15 times>, > "\003\000\000\000\060", > '\000' <repeats 19 times>, "[\000\000\000n", '\000' <repeats 19 times>, > "w\000\000\000|\000\000\000p/\000" > pidfd = -1 > (gdb) > (gdb) > > I hope it uses useful, Sure it is! Thanks Pavlos! Willy
