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On 4/14/2014 11:31 AM, KARR, DAVID wrote:
-----Original Message----- Of Ken Brown Sent: Sunday, April 13, 2014 5:43 PM Subject: Re: Fatal error from Cygwin emacs-w32 every day or so On 4/13/2014 10:53 AM, KARR, DAVID wrote:I recently installed 1.7.29 on a new Win7/64 laptop. Every day or so, Iget a "fatal error" dialog from emacs-w32. It asks me if I want to debug it, but I'm not sure what info I could pull from gdb that would be useful. A gdb backtrace might or might not be helpful. I would start with other things first (see below).I just saw it die, and this is the bt I get: Program received signal SIGSEGV, Segmentation fault. 0x0000000100551354 in wait_reading_process_output ( time_limit=time_limit@entry=0, nsecs=nsecs@entry=0, read_kbd=read_kbd@entry=-1, do_display=do_display@entry=true, wait_for_cell=wait_for_cell@entry=4304630834, wait_proc=wait_proc@entry=0x0, just_wait_proc=just_wait_proc@entry=0) at /usr/src/debug/emacs-24.3-7/src/process.c:4677 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.
Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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