Re: [BUGS] BUG #14897: Segfault on statitics SQL request

Поиск
Список
Период
Сортировка
От Tom Lane
Тема Re: [BUGS] BUG #14897: Segfault on statitics SQL request
Дата
Msg-id 2880.1510420873@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: [BUGS] BUG #14897: Segfault on statitics SQL request  (Dmitry Dolgov <9erthalion6@gmail.com>)
Список pgsql-bugs
Dmitry Dolgov <9erthalion6@gmail.com> writes:
>> On 11 November 2017 at 17:36, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Would you guys who are seeing the problem note whether the address of
>> the int128 field is 16-aligned, or only 8-aligned?

> __alignof__(__int128) returns 16 on my machine.

The question was about the actual value of the pointer being used at
the time of the crash --- %rax in the example below.

> Here is the disassembly section I've got in my case:

>     0x00000000007fc47d numericvar_to_int128+467 movdqa -0x60(%rbp),%xmm0
> --> 0x00000000007fc482 numericvar_to_int128+472 movaps %xmm0,(%rax)

suspicious ...
        regards, tom lane


-- 
Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-bugs

В списке pgsql-bugs по дате отправления:

Предыдущее
От: Andres Freund
Дата:
Сообщение: Re: [BUGS] BUG #14897: Segfault on statitics SQL request
Следующее
От: Tom Lane
Дата:
Сообщение: Re: [BUGS] BUG #14897: Segfault on statitics SQL request