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bug#30855: 25.3; temacs fails with bus error during garbage collection
From: |
Eli Zaretskii |
Subject: |
bug#30855: 25.3; temacs fails with bus error during garbage collection |
Date: |
Tue, 20 Mar 2018 18:40:51 +0200 |
> From: Andreas Schwab <schwab@suse.de>
> Cc: Ulrich Mueller <ulm@gentoo.org>, Paul Eggert <eggert@cs.ucla.edu>,
> 30855@debbugs.gnu.org, gentoo-bug@opensource.sf-tec.de
> Date: Tue, 20 Mar 2018 16:26:19 +0100
>
> > --- a/src/alloc.c
> > +++ b/src/alloc.c
> > @@ -4983,7 +4983,8 @@ mark_memory (void *start, void *end)
> > for (pp = start; (void *) pp < end; pp += GC_POINTER_ALIGNMENT)
> > {
> > mark_maybe_pointer (*(void **) pp);
> > - mark_maybe_object (*(Lisp_Object *) pp);
> > + if ((intptr_t) pp % GCALIGNMENT == 0)
>
> That should be alignof(Lisp_Object). A Lisp_Object only needs
> Lisp_Object alignment. GCALIGNMENT is about the _value_ of a
> Lisp_Object (ie. the address of the Lisp object that this Lisp_Object
> points to).
Right, thanks.
Ulrich, please see if that fixes this problem.
- bug#30855: 25.3; temacs fails with bus error during garbage collection, Ulrich Mueller, 2018/03/19
- bug#30855: 25.3; temacs fails with bus error during garbage collection, Eli Zaretskii, 2018/03/19
- bug#30855: 25.3; temacs fails with bus error during garbage collection, Ulrich Mueller, 2018/03/20
- bug#30855: 25.3; temacs fails with bus error during garbage collection, Eli Zaretskii, 2018/03/20
- bug#30855: 25.3; temacs fails with bus error during garbage collection, Andreas Schwab, 2018/03/20
- bug#30855: 25.3; temacs fails with bus error during garbage collection,
Eli Zaretskii <=
- bug#30855: 25.3; temacs fails with bus error during garbage collection, Paul Eggert, 2018/03/20
- bug#30855: 25.3; temacs fails with bus error during garbage collection, Eli Zaretskii, 2018/03/20
- bug#30855: 25.3; temacs fails with bus error during garbage collection, Ulrich Mueller, 2018/03/20
- bug#30855: 25.3; temacs fails with bus error during garbage collection, Paul Eggert, 2018/03/20
- bug#30855: 25.3; temacs fails with bus error during garbage collection, Eli Zaretskii, 2018/03/21