Re: pg 8.4 crashing.

On Fri, Sep 24, 2010 at 5:06 PM, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
> On Thu, Sep 23, 2010 at 8:57 PM, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
>> On Thu, Sep 23, 2010 at 2:17 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>> Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> writes:
>>>> I've got a problem with pg 8.4.4 crashing with a sig 6 abort due to a
>>>> panic on failing to add a right sibling in an index.  Log output:
>>>
>>>> PANIC:  failed to add item to the right sibling in index "logged_in_uid"
>>>> STATEMENT:  INSERT INTO logged_in ...
>>>
>>> If you can apply this patch:
>>> http://archives.postgresql.org/pgsql-committers/2010-08/msg00365.php
>>> it should tell you which index page is causing the problem.  Then
>>> please dump that page with pg_filedump and send it in.
>>
>> Patch applied.  This crash happens on average about once a day.
>> Happened twice yesterday, but hasn't happened today.  I'll report back
>> when / if it does it again.
>
> OK, got an error on it today.  Looks like a corrupted index.  Note
> that this is on a machine that was very well tested, but who knows, a
> single bit error could have occurred.  pg_filedump attached.

P.s. I reindexed it to get rid of the error. I'll keep an eye for it
coming back.

--
To understand recursion, one must first understand recursion.