From: Eli Zaretskii <eliz@gnu.org>
To: Juanma Barranquero <lekktu@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: GC crash on optimized build on Windows
Date: Mon, 27 Feb 2012 20:23:57 +0200 [thread overview]
Message-ID: <83399wkude.fsf@gnu.org> (raw)
In-Reply-To: <CAAeL0STQgV9ELajzKakiOVR9HRn=6UFYyH72JJmebd=OCKJRsg@mail.gmail.com>
> From: Juanma Barranquero <lekktu@gmail.com>
> Date: Mon, 27 Feb 2012 14:05:52 +0100
>
> I just had a gc crash on an optimized build. I'm not going to file a
> bug report yet because I don't think it is repeatable at will, but I
> have the gdb session open in case someone wants me to check anything.
Can you try applying the technique for debugging crashes in GC that is
outlined in etc/DEBUG?
> #2 0x0100ffda in compact_small_strings () at alloc.c:2271
> nbytes = 29184
> tb = <optimized out>
> from = <optimized out>
> end = 0x372dffc
> tb_end = 0x372dffc
> from_end = <optimized out>
> b = 0x372c000
> next = <optimized out>
> to = <optimized out>
> to_end = <optimized out>
In this frame, what does "info address from" say? If it says that
`from' is stored in some register, can you display the value of that
register, and using that value reproduce what is from->string?
And which Emacs version is that: 24.0.93 or 24.0.94?
prev parent reply other threads:[~2012-02-27 18:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-27 13:05 GC crash on optimized build on Windows Juanma Barranquero
2012-02-27 18:23 ` Eli Zaretskii [this message]
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