Subject: Re: bug#36649: 27.0.50; pure space and pdumper

From: Eli Zaretskii <[email-masked]>
Date: Sun, 21 Jul 2019 21:14:41 +0300

> From: Robert Pluim <[email-masked]>
> Date: Sun, 21 Jul 2019 19:56:42 +0200
> Cc: [email-masked], Paul Eggert <[email-masked]>
> 
>     Pip> That's strange. Looking at the crash backtrace again, it seems that
>     Pip> this is the initial garbage collection, when everything should be
>     Pip> pristine. I still think it dies while marking the obarray, upon
>     Pip> encountering a symbol which has somehow become corrupted...
> 
> OK. How do we go about detecting which symbol that is?

etc/DEBUG has some advice for debugging crashes inside GC.