Re: BUG #16665: Segmentation fault - Mailing list pgsql-bugs

On Saturday, Oct 10, 2020 at 11:57 PM, Pavel Stehule <pavel.stehule@gmail.com> wrote:

so 10. 10. 2020 v 16:51 odesílatel Raphael Megzari <raphael@megzari.com> napsal:

I'm not really sure how to read that binary file.

I have uploaded to an s3 bucket and made it public.

Anyone should be able to access that file

https://s3.eu-central-1.wasabisys.com/union-backups/core_dump.gz

this is not good idea

see https://stackoverflow.com/questions/5115613/core-dump-file-analysis

Pavel

it's  2GB

If you have a link to a documentation of how I can read that file and get the stacktrace, I would be glad to give it a read.

On Saturday, Oct 10, 2020 at 8:56 PM, Pavel Stehule <pavel.stehule@gmail.com> wrote:

so 10. 10. 2020 v 13:27 odesílatel Raphael Megzari <raphael@megzari.com> napsal:

Awesome, thank you!

It's the right thing.

How do I share it?

important is the backtrace

paste it to mail

On Saturday, Oct 10, 2020 at 8:24 PM, Pavel Stehule <pavel.stehule@gmail.com> wrote:

so 10. 10. 2020 v 13:19 odesílatel Raphael Megzari <raphael@megzari.com> napsal:

Thank you for taking the time to have a look.

I'm not sure how to enable core dump with the docker image.

I've seen some documentation where the db is started with pg_ctl anc a "c" flag. I couldn't find anything on enabling it on the docker image.

in my data folder, I have a huge core file (8 GB). Would it be possible that it is the core dump file generated after the segfault?

you can check a create time

Pavel

Raphael

On Saturday, Oct 10, 2020 at 6:04 PM, Pavel Stehule <pavel.stehule@gmail.com> wrote:

Hi

If I can help in any ways, please let me know.
I don't mind trying things, like I said, the bug happens about every 2
days.

This is a bug, but from your bug report isn't possible to detect any information.

Can you enable core dump generating, and can you send a core dump?

Regards

Pavel

Cheers!