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Re: Subversion 1.4.0 crashes in libapr.dll on Windows

From: Ivan Zhakov <chemodax_at_gmail.com>
Date: 2006-10-10 21:34:15 CEST

On 10/10/06, Ivan Zhakov <chemodax@gmail.com> wrote:
> Well, we have several user reports of crashes in libapr.dll on Windows.
> 1. Crash on svn export and svn checkout:
> Mail: http://svn.haxx.se/dev/archive-2006-09/0738.shtml
> Minudump can be found here: http://mysite.verizon.net/jodys7/svn.dmp
> 2. Another crash on svn export reported to me directly
> Minidump can be found here: http://chemodax.googlepages.com/svn.dmp
> 3. Crash at same place when executing svn merge
> Mail: http://subversion.tigris.org/servlets/ReadMsg?listName=dev&msgNo=120663
> I've asked for minidump to look on it, but we already have stack trace.
Kenneth has sent minidump to me. I've uploaded it to:
http://chemodax.googlepages.com/svn-merge-crash-libapr.dmp

BTW: In this minidump xlate_handle_hash==0

>
> So all of these three crashes occur at same place:
> libapr.dll!find_entry
> libapr.dll!apr_hash_get
> svn.exe!get_xlate_handle_node
> svn.exe!svn_cmdline_cstring_from_utf8
> svn.exe!svn_cmdline_printf
>
> And at least cases (1) and (2) have workaround by renaming
> TortoiseSVN's libapr_tsvn.dll to libapr.dll. So my initial idea was
> some DLL hell, but uninstalling TortoiseSVN doesn't help!
>
> I've looked to source code of function get_xlate_handle_node
> (libsvn_subr/utf.c):
> if (userdata_key)
> {
> if (xlate_handle_hash)
> {
> #if APR_HAS_THREADS
> apr_err = apr_thread_mutex_lock(xlate_handle_mutex);
> if (apr_err != APR_SUCCESS)
> return svn_error_create(apr_err, NULL,
> _("Can't lock charset translation mutex"));
> #endif
> old_node_p = apr_hash_get(xlate_handle_hash, userdata_key,
> APR_HASH_KEY_STRING);
> if (old_node_p)
> old_node = *old_node_p;
>
>
> And notice that one minidump has xlate_handle_hash == 0, but other has
> xlate_handle_hash==0x00af00d0. How is it possible if we check it
> several lines before?? But maybe it's problem with minidump format.
> I'm continue investigating this problem and will be glad to any
> suggestions/pointers.
>
> --
> Ivan Zhakov
>

-- 
Ivan Zhakov
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Received on Tue Oct 10 21:34:32 2006

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