Re: nginx изредка падает при проксировании с р езолвером

[Alex Vorona <voron@xxxxxxxxxx>]

01.05.2009 15:47, Igor Sysoev wrote:
> On Fri, May 01, 2009 at 03:42:52PM +0300, Alex Vorona wrote:
>
> > Со следующим бэктрейсом
> > (gdb) bt
> > #0  0x2e737265 in ?? ()
> > #1  0x0805f1f6 in ngx_resolver_process_a (r=0x80e2080, buf=0x7f7fdbd0 
> > "С\030\201\202", last=37, ident=62232, code=2, nan=0, ans=37)
> >     at src/core/ngx_resolver.c:1143
> > #2  0x0805ef69 in ngx_resolver_process_response (r=0x80e2080, 
> > buf=0x7f7fdbd0 "С\030\201\202", n=37) at src/core/ngx_resolver.c:1049
> > #3  0x0805ec67 in ngx_resolver_read_response (rev=0x824299c) at 
> > src/core/ngx_resolver.c:953
> > #4  0x0806eddb in ngx_kqueue_process_events (cycle=0x80d5020, timer=500, 
> > flags=1) at src/event/modules/ngx_kqueue_module.c:689
> p *r
(gdb) up
#1  0x0805f1f6 in ngx_resolver_process_a (r=0x80e2080, buf=0x7f7fdbd0 "С\030\201\202", 
last=37, ident=62232, code=2, nan=0, ans=37)
    at src/core/ngx_resolver.c:1143
1143                 ctx->handler(ctx);
(gdb) p *r
$1 = {event = 0x80df200, udp_connection = 0x80d1020, log = 0x80d531c, ident = -1, 
name_rbtree = {root = 0x80df2c0, sentinel = 0x80e209c,
    insert = 0x805ff9c <ngx_resolver_rbtree_insert_value>}, name_sentinel = {key = 0, 
left = 0x0, right = 0x0, parent = 0x80df2c0, color = 0 '\0',
    data = 0 '\0'}, addr_rbtree = {root = 0x80e20bc, sentinel = 0x80e20bc, insert = 
0x8054130 <ngx_rbtree_insert_value>}, addr_sentinel = {key = 0,
    left = 0x0, right = 0x0, parent = 0x0, color = 0 '\0', data = 0 '\0'}, 
name_resend_queue = {prev = 0x80e20d0, next = 0x80e20d0}, addr_resend_queue = {
    prev = 0x80e20d8, next = 0x80e20d8}, name_expire_queue = {prev = 0x80df2d4, next = 
0x80df3d4}, addr_expire_queue = {prev = 0x80e20e8, next = 0x80e20e8},
  resend_timeout = 5, expire = 30, valid = 300, log_level = 2}