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RE: Fatal error from Cygwin emacs-w32 every day or so
- From: "KARR, DAVID" <dk068x at att dot com>
- To: "cygwin at cygwin dot com" <cygwin at cygwin dot com>
- Date: Sun, 20 Apr 2014 01:19:24 +0000
- Subject: RE: Fatal error from Cygwin emacs-w32 every day or so
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- 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> <534D5AB8 dot 6030201 at cornell dot edu> <535308D8 dot 1070200 at cornell dot edu>
> -----Original Message-----
> Of Ken Brown
> Sent: Saturday, April 19, 2014 4:38 PM
> Subject: Re: Fatal error from Cygwin emacs-w32 every day or so
> On 4/15/2014 12:13 PM, Ken Brown wrote:
> > 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 (
> >>>> 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)
> >>>> @/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.
> >> 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.
> I've rebuilt emacs-24.3 with the gnutls fix. David and Achim (and
> anyone else who's been experiencing these crashes), please try the
> following binary and let me know if it solves the problem:
> You might have to do "chmod +x emacs-w32.exe" after uncompressing it.
> If it fixes the problem, I'll issue a new release of emacs-24.3. If
> not, I'll build a pretest of emacs-24.4 for you to try.
Ok. It's running. As it only fails after random intervals, I'll have to keep it running for a while. I'll give it a day or so.
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