Brendan Jurd writes:
> This whole business of passing around global pointers while switching
> memory contexts seems like an optimal breeding-ground for bugs.
Yeah. If it were to get significantly more complicated than this,
the best solution IMO would be to give up on trying to use a temporary
On 26 October 2010 03:42, Tom Lane wrote:
> Brendan Jurd writes:
>> Thanks for the hint; I found that the attached patch resolved my
>> specific segfault, but I am wondering whether it goes far enough.
>
> Well, it definitely doesn't go far enough, because the invalItems list
> has to be restored
Brendan Jurd writes:
> On 25 October 2010 07:36, Tom Lane wrote:
>> I'm guessing it was modified in the temporary memory context and not
>> properly copied out to the parent context when we finished inlining
>> the function.
> Thanks for the hint; I found that the attached patch resolved my
> sp
On 25 October 2010 07:36, Tom Lane wrote:
> Brendan Jurd writes:
>> I have encountered a reproducible segfault in Postgres ...
>
> Looks like the invalItems list has been clobbered:
>
> (gdb) p *root->glob->invalItems
> $6 = {type = 2139062143, length = 2139062143, head = 0x7f7f7f7f,
> tail = 0x
On 25 October 2010 07:36, Tom Lane wrote:
> Looks like the invalItems list has been clobbered:
>
> (gdb) p *root->glob->invalItems
> $6 = {type = 2139062143, length = 2139062143, head = 0x7f7f7f7f,
> tail = 0x7f7f7f7f}
>
> I'm guessing it was modified in the temporary memory context and not
> pro
Brendan Jurd writes:
> I have encountered a reproducible segfault in Postgres, and confirmed
> it in 9.0.1 and HEAD on three separate machines. The bug was not
> present in 8.4. I've attached a copy of the SQL script I have been
> using to induce the segfault.
> ...
> I had a go at investigating
Hi folks,
I have encountered a reproducible segfault in Postgres, and confirmed
it in 9.0.1 and HEAD on three separate machines. The bug was not
present in 8.4. I've attached a copy of the SQL script I have been
using to induce the segfault.
With asserts enabled, I get a failed assertion:
TRAP
