nginx изредка падает при проксировании с резолвером
Alex Vorona
voron at amhost.net
Fri May 1 18:22:54 MSD 2009
01.05.2009 17:02, Igor Sysoev wrote:
> On Fri, May 01, 2009 at 04:24:45PM +0300, Alex Vorona wrote:
>
>> 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}
>
> p *ctx
>
>
>
(gdb) p *ctx
$2 = {next = 0x7273752f, resolver = 0x6d6f682f, udp_connection = 0x62662f65, ident =
842428270, state = 2, type = 1852399981, name = {len = 1634152307,
data = 0x72656c6c <Address 0x72656c6c out of bounds>}, naddrs = 779314537, addrs =
0x64656761, addr = 2003790950, handler = 0x2e737265,
data = 0x2f6d6f63, timeout = 1818391920, quick = 1751081833, recursion = 795635060,
event = 0x6b2f776f}
(gdb)
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