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Re: 24.2 crash

From: Kevin Layer
Subject: Re: 24.2 crash
Date: Tue, 19 Mar 2013 15:40:53 -0700

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.




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