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From: Kevin Layer <layer@known.net>
To: Dmitry Antipov <dmantipov@yandex.ru>
Cc: emacs-devel@gnu.org
Subject: Re: 24.2 crash
Date: Tue, 19 Mar 2013 15:40:53 -0700	[thread overview]
Message-ID: <15946.1363732853@relay.known.net> (raw)
In-Reply-To: <51488E3A.5060000@yandex.ru>

Dmitry Antipov wrote:

>> On 03/19/2013 07:49 PM, Kevin Layer wrote:
>> 
>> >>> 3. Your crash is likely caused by the heap corruption; try to find
>> >>>     the reason by running _undumped_ (src/temacs) executable under
>> >>>     valgrind, e.g. valgrind --tool=memcheck ./src/temacs [...].
>> >
>> > I ran this.  Lots of output.  What do you want me to do with it?
>> 
>> Collect an output with --log-file=FILE.txt valgrind option and check
>> FILE.txt for the messages like:
>> 
>> - Address 0xXXXXXXXX is not stack'd, malloc'd or (recently) free'd
>> - Address 0xXXXXXXXX is Y bytes before a block of size Z alloc'd
>> - Address 0xXXXXXXXX is Y bytes after a block of size Z alloc'd
>> - Invalid free() / delete / delete[] / realloc()

At least one of those is present.

>> 
>> If you see something similar at least once, or final crash of the
>> valgrind itself, this is most likely a heap management error.
>> 
>> Anyway, compress FILE.txt (most probably xz gives the best result)
>> and send it to me.

Done.

Thanks.

Kevin



  reply	other threads:[~2013-03-19 22:40 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-19  1:49 24.2 crash Kevin Layer
2013-03-19  4:56 ` Dmitry Antipov
2013-03-19  5:00   ` Xue Fuqiao
2013-03-19 15:49   ` Kevin Layer
2013-03-19 16:11     ` Dmitry Antipov
2013-03-19 22:40       ` Kevin Layer [this message]
     [not found]         ` <51491E4B.7070504@yandex.ru>
     [not found]           ` <19303.1363933835@relay.known.net>
2013-03-22  8:03             ` Dmitry Antipov
2013-03-25  0:17               ` Kevin Layer

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