Attached is an expunged version of the configuration we use. We have about 20 frontends/backends couple in the real config.
Le Vendredi 29 Août 2014 17:32 CEST, Steven Le Roux <ste...@le-roux.info> a
écrit:
> Could you share a frontend/backend configuration template anonymized ? ;)
>
> On Fri, Aug 29, 2014 at 5:14 PM, Romain LE DISEZ <rom...@ledisez.net> wrote:
> > Hi,
> >
> > we are regularly hitting a bug in haproxy leading to a segfault:
> > [2433667.679923] haproxy[28161]: segfault at 1033eb6d4 ip 00000000004477b0
> > sp 00007fff5584c8e0 error 4 in haproxy[400000+a9000]
> >
> > We are running:
> > - haproxy v1.5.3 with multiple frontend/backend, offload SSL ;
> > - on Debian 7: Linux **** 3.14-1-amd64 #1 SMP Debian 3.14.7-1 (2014-06-16)
> > x86_64 GNU/Linux
> > - inside a VMware VM (ESX 5, Intel proc)
> >
> > Because it affects only one of our clusters, we think it is caused by a
> > request, but we are unable to find the one responsible because of the
> > number of request per seconds.
> >
> > Here is a coredump.
> >
> >
> >
> > root@****:~# gdb /usr/sbin/haproxy
> > /tmp/core-haproxy-11-107-111-28161-1409323204
> > [...]
> > warning: no loadable sections found in added symbol-file system-supplied
> > DSO at 0x7fff55909000
> > Core was generated by `/usr/sbin/haproxy -f /etc/haproxy/haproxy.cfg -p
> > /var/run/haproxy.pid -D -sf 13'.
> > Program terminated with signal 11, Segmentation fault.
> > #0 http_skip_chunk_crlf (msg=0x388ba50) at src/proto_http.c:2113
> > 2113 src/proto_http.c: No such file or directory.
> > (gdb) bt
> > #0 http_skip_chunk_crlf (msg=0x388ba50) at src/proto_http.c:2113
> > #1 http_request_forward_body (s=s@entry=0x388b9a0,
> > req=req@entry=0x343ddf0, an_bit=an_bit@entry=8192) at src/proto_http.c:5398
> > #2 0x0000000000467298 in process_session (t=0x39eb8d0) at
> > src/session.c:1955
> > #3 0x0000000000411ff5 in process_runnable_tasks (next=0x7fff5584ca1c) at
> > src/task.c:238
> > #4 0x000000000040a25c in run_poll_loop () at src/haproxy.c:1304
> > #5 0x000000000040799f in main (argc=<optimized out>, argv=<optimized out>)
> > at src/haproxy.c:1638
> > (gdb) backtrace full
> > #0 http_skip_chunk_crlf (msg=0x388ba50) at src/proto_http.c:2113
> > buf = 0x33f36c0
> > ptr = 0x1033eb6d4 <Address 0x1033eb6d4 out of bounds>
> > bytes = 1
> > #1 http_request_forward_body (s=s@entry=0x388b9a0,
> > req=req@entry=0x343ddf0, an_bit=an_bit@entry=8192) at src/proto_http.c:5398
> > txn = 0x388b9e8
> > msg = 0x388ba50
> > #2 0x0000000000467298 in process_session (t=0x39eb8d0) at
> > src/session.c:1955
> > max_loops = <optimized out>
> > ana_list = 8192
> > ana_back = 8192
> > flags = 8389122
> > s = 0x388b9a0
> > rqf_last = 4194304
> > rpf_last = 4194304
> > rq_prod_last = 7
> > rq_cons_last = 7
> > rp_cons_last = 7
> > rp_prod_last = 7
> > req_ana_back = <optimized out>
> > #3 0x0000000000411ff5 in process_runnable_tasks (next=0x7fff5584ca1c) at
> > src/task.c:238
> > t = 0x1033eb6d4
> > #4 0x000000000040a25c in run_poll_loop () at src/haproxy.c:1304
> > next = 573931916
> > #5 0x000000000040799f in main (argc=<optimized out>, argv=<optimized out>)
> > at src/haproxy.c:1638
> > err = <optimized out>
> > retry = <optimized out>
> > limit = {rlim_cur = 70153, rlim_max = 70153}
> > errmsg =
> > "\000\000\000\000\000\000\000\000\016\000\000\000\000\000\000\000H̄U\377\177\000\000\300̄U\377\177\000\000\025\000\000\000\000\000\000\000\067\016\273\303\317\177\000\000\001",
> > '\000' <repeats 15 times>,
> > "\001\000\000\000\000\000\000\000\270\373\261\302\317\177\000\000p\324f\002\000\000\000\000\025\000\000\000\000\000\000\000\370\214j"
> > pidfd = <optimized out>
> >
> >
> > Thanks for your help.
> >
> >
> > --
> > Romain LE DISEZ
> >
>
>
>
> --
> Steven Le Roux
> Jabber-ID : ste...@jabber.fr
> 0x39494CCB <ste...@le-roux.info>
> 2FF7 226B 552E 4709 03F0 6281 72D7 A010 3949 4CCB
>
--
Romain LE DISEZ
rom...@ledisez.net
+33 (0)6 78 77 99 18
haproxy.cfg
Description: Binary data
