nginx-0.5.32 crashed

[Igor Sysoev]

On Thu, Oct 11, 2007 at 01:47:44PM +0400, Denis Erygin wrote:

> Собран с самописным простым модулем фильтром (draft),
> который использует ngx_pcalloc для строк и буферов,
> но память явно не чистит, оставляет это пулу nginx.
> 
> Корки очень редкие, ссылок на код модуля в них нет,
> пока без понятия куда копать...

Ещё может помочь --with-cc-opt="-D NGX_DEBUG_MALLOC" , если используется
FreeBSD - в этом случае nginx ставит malloc_options="J".

> ----- Original Message ----- 
> From: "Igor Sysoev" <is at rambler-co.ru>
> To: <nginx-ru at sysoev.ru>
> Sent: Thursday, October 11, 2007 12:59 PM
> Subject: Re: nginx-0.5.32 crashed
> 
> 
> On Thu, Oct 11, 2007 at 12:54:14PM +0400, Denis Erygin wrote:
> 
> >И вторая версия coredump тамже:
> 
> Это стандартный nginx без дополнительных модулей ?
> 
> >#0  ngx_event_pipe_read_upstream (p=0x812c698) at 
> >src/event/ngx_event_pipe.c:375
> >375         for (cl = p->free_raw_bufs; cl; cl = cl->next) {
> >(gdb) bt
> >#0  ngx_event_pipe_read_upstream (p=0x812c698) at 
> >src/event/ngx_event_pipe.c:375
> >#1  0x0805a0de in ngx_event_pipe (p=0x812c698, do_write=135448216) at 
> >src/event/ngx_event_pipe.c:43
> >#2  0x08074147 in ngx_http_upstream_process_body (ev=0x80e42f8) at 
> >src/http/ngx_http_upstream.c:1921
> >#3  0x080609e8 in ngx_kqueue_process_events (cycle=0x80b3020, timer=68, 
> >flags=1) at src/event/modules/ngx_kqueue_module.c:664
> >#4  0x080579d0 in ngx_process_events_and_timers (cycle=0x80b3020) at 
> >src/event/ngx_event.c:245
> >#5  0x0805e9a5 in ngx_worker_process_cycle (cycle=0x80b3020, data=0x0) at 
> >src/os/unix/ngx_process_cycle.c:760
> >#6  0x0805cefa in ngx_spawn_process (cycle=0x80b3020, proc=0x805e8dc 
> ><ngx_worker_process_cycle>, data=0x0,
> >    name=0x8096f2b "worker process", respawn=1) at 
> >src/os/unix/ngx_process.c:187
> >#7  0x0805e633 in ngx_reap_childs (cycle=0x80b3020) at 
> >src/os/unix/ngx_process_cycle.c:561
> >#8  0x0805dcbf in ngx_master_process_cycle (cycle=0x80b3020) at 
> >src/os/unix/ngx_process_cycle.c:162
> >#9  0x0804af72 in main (argc=134898208, argv=0xbfbfece4) at 
> >src/core/nginx.c:353
> >(gdb)
> >  ----- Original Message ----- 
> >  From: Denis Erygin
> >  To: nginx-ru at sysoev.ru
> >  Sent: Thursday, October 11, 2007 12:26 PM
> >  Subject: nginx-0.5.32 crashed
> >
> >
> >  Добрый день,
> >
> >  Примерно раз в день получаю такой coredump:
> >
> >  GNU gdb 6.1.1 [FreeBSD 5.5]
> >  This GDB was configured as "i386-marcel-freebsd"...
> >  Core was generated by `nginx'.
> >  Program terminated with signal 11, Segmentation fault.
> >
> >  #0  ngx_palloc (pool=0x8a78000, size=8) at src/core/ngx_palloc.c:115
> >  115                     m = ngx_align_ptr(p->last, NGX_ALIGNMENT);
> >  (gdb) bt
> >  #0  ngx_palloc (pool=0x8a78000, size=8) at src/core/ngx_palloc.c:115
> >  #1  0x0804d8b9 in ngx_alloc_chain_link (pool=0x0) at 
> >src/core/ngx_buf.c:58
> >  #2  0x0805b4b6 in ngx_event_pipe_add_free_buf (p=0x8a78710, b=0x8a78688) 
> >at src/event/ngx_event_pipe.c:889
> >  #3  0x0805afa4 in ngx_event_pipe_write_to_downstream (p=0x8a78710) at 
> >src/event/ngx_event_pipe.c:631
> >  #4  0x0805a0bb in ngx_event_pipe (p=0x8a78710, do_write=4064) at 
> >src/event/ngx_event_pipe.c:33
> >  #5  0x08074147 in ngx_http_upstream_process_body (ev=0x80e41cc) at 
> >src/http/ngx_http_upstream.c:1921
> >  #6  0x08058c4b in ngx_event_process_posted (cycle=0x80b3020, 
> >posted=0x80a8700) at src/event/ngx_event_posted.c:39
> >  #7  0x08057a96 in ngx_process_events_and_timers (cycle=0x80b3020) at 
> >src/event/ngx_event.c:272
> >  #8  0x0805e9a5 in ngx_worker_process_cycle (cycle=0x80b3020, data=0x0) 
> >at src/os/unix/ngx_process_cycle.c:760
> >  #9  0x0805cefa in ngx_spawn_process (cycle=0x80b3020, proc=0x805e8dc 
> ><ngx_worker_process_cycle>, data=0x0, name=0x8096f2b "worker pro
> >  cess", respawn=-2)
> >      at src/os/unix/ngx_process.c:187
> >  #10 0x0805e18e in ngx_start_worker_processes (cycle=0x80b3020, n=4, 
> >type=-2) at src/os/unix/ngx_process_cycle.c:332
> >  #11 0x0805db47 in ngx_master_process_cycle (cycle=0x80b3020) at 
> >src/os/unix/ngx_process_cycle.c:124
> >  #12 0x0804af72 in main (argc=134898208, argv=0xbfbfece4) at 
> >src/core/nginx.c:353
> >
> 
> -- 
> Игорь Сысоев
> http://sysoev.ru
> 
> 

-- 
Игорь Сысоев
http://sysoev.ru