From: Pip Cet <pipcet@gmail.com>
To: Andrea Corallo <akrl@sdf.org>
Cc: "Nicolas Bértolo" <nicolasbertolo@gmail.com>,
"Paul Eggert" <eggert@cs.ucla.edu>,
41755@debbugs.gnu.org
Subject: bug#41755: feature/native-comp (master?): temacs crash in GC during mark phase
Date: Sun, 7 Jun 2020 19:41:19 +0000 [thread overview]
Message-ID: <CAOqdjBeeWYosXq7fa57WQg=TTooyzbK=x5ZwLgkyHxQU7ODFFQ@mail.gmail.com> (raw)
In-Reply-To: <gkry2oyu1on.fsf@arm.com>
On Sun, Jun 7, 2020 at 7:26 PM Andrea Corallo <akrl@sdf.org> wrote:
> I'm experiencing non reproducible GC related crashes building
> feature/native-comp.
Does it happen for non-optimized builds? Also, what symbol is at
Lisp_Object value 0xb4f0 (i.e. iQwhatever == 405)?
> Both back-traces I've got looks similar:
>
> #0 0x00000000004dfe4c in symbol_marked_p (s=0xb4f0) at pdumper.h:149
> #1 mark_object (arg=<optimized out>) at alloc.c:6731
> #2 0x0000000000552390 in traverse_intervals_noorder (tree=0xffffffffe070,
> function=0x4e0fe0 <mark_interval_tree_1>, arg=0x0) at intervals.c:234
> #3 0x00000000004e0060 in mark_object (arg=<optimized out>) at alloc.c:6784
> #4 0x00000000004e08ec in mark_memory (end=<optimized out>, start=<optimized out>)
> at alloc.c:4860
> #5 mark_stack (bottom=<optimized out>, end=end@entry=0xffffffff71d0 "")
> at alloc.c:5071
> #6 0x000000000055fd48 in mark_one_thread (thread=0x903b80 <main_thread>)
> at thread.c:630
> #7 mark_threads_callback (ignore=<optimized out>) at thread.c:661
> #8 0x00000000004e1238 in garbage_collect () at alloc.c:6101
> #9 0x00000000004ff874 in maybe_gc () at lisp.h:5090
> #10 eval_sub (form=form@entry=XIL(0xcefe63)) at eval.c:2243
> #11 0x0000000000500108 in Fwhile (args=<optimized out>) at eval.c:1013
> ...
> So far I was not able to reproduce on X86_64 (where I've rr).
Please let us know if you manage to.
> This may not be related to feature/native-comp but to one of the recent
> GC changes and the stack marking strategy.
Or to the live_*_p changes...
next prev parent reply other threads:[~2020-06-07 19:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-07 19:16 bug#41755: feature/native-comp (master?): temacs crash in GC during mark phase Andrea Corallo
2020-06-07 19:41 ` Pip Cet [this message]
2020-06-07 19:57 ` Nicolas Bértolo
2020-06-07 20:18 ` Pip Cet
2020-06-07 23:09 ` Nicolas Bértolo
2020-06-08 3:39 ` Nicolas Bértolo
2020-06-08 6:29 ` Eli Zaretskii
2020-06-08 18:24 ` Nicolas Bértolo
2020-06-08 6:41 ` Pip Cet
2020-06-08 18:51 ` Nicolas Bértolo
2020-06-08 19:05 ` Pip Cet
2020-06-09 14:20 ` Nicolas Bértolo
2020-06-10 12:53 ` Andrea Corallo
2020-06-27 14:39 ` Andrea Corallo
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