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Re: Fatal error from Cygwin emacs-w32 every day or so
- From: Ken Brown <kbrown at cornell dot edu>
- To: Eli Zaretskii <eliz at gnu dot org>
- Cc: cygwin at cygwin dot com
- Date: Tue, 15 Apr 2014 09:13:44 -0700
- Subject: Re: Fatal error from Cygwin emacs-w32 every day or so
- Authentication-results: sourceware.org; auth=none
- References: <B8D164BED956C5439875951895CB4B2225C00EA9 at WABOTH9MSGUSR8C dot ITServices dot sbc dot com> <534B2EFE dot 4010509 at cornell dot edu> <B8D164BED956C5439875951895CB4B2225C01C84 at WABOTH9MSGUSR8C dot ITServices dot sbc dot com> <534CB0AF dot 2040504 at cornell dot edu> <83y4z7jcb3 dot fsf at gnu dot org>
On 4/15/2014 12:12 AM, Eli Zaretskii wrote:
Date: Mon, 14 Apr 2014 21:08:15 -0700
From: Ken Brown
I just saw it die, and this is the bt I get:
Program received signal SIGSEGV, Segmentation fault.
0x0000000100551354 in wait_reading_process_output (
4677 if (wait_proc->gnutls_p /* Check for valid process. */
This backtrace doesn't make sense. If you look at the source code,
you'll see that if wait_proc is NULL on entry to
wait_reading_process_output, then line 4677 is never reached. I'm not
sure what would cause a bogus backtrace like this. BLODA? Optimization?
In any case, I suggest that you wait a week until I have a chance to
build a pretest of 24.4 for you to try. I'll build it without
optimization to make debugging easier.
This is a known problem with GnuTLS support, it was solved in the
Emacs repository last November (bzr revision 114956, if someone wants
the diffs), and surely should be solved in the upcoming Emacs 24.4.
Thanks, Eli! In that case I'll make a new release of emacs-24.3 with
that patch applied, to see if it resolves the issue for the OP.
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