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My Emacs started to crash a lot without modifying .emacs or installing anything new.

I can replicate the steps (using Helm, Projectile) by this:

  1. helm-projectile
  2. then I enter a query quickly and hit backspace
  3. I have a crash.

According to GNU Emacs Crash page I should find a crash log but I am unable to find it in OSX. The OSX crash dump itself is useless for me. I would like to know what in my .emacs is wrong or which plug-in is failing?

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  • Perhaps you can find one in ~/Library/Logs/DiagnosticReports? Or if you have XCode installed, you could attach gdb to the process and get at backtrace.
    – Harald Hanche-Olsen
    Feb 8 '15 at 23:25
  • @HaraldHanche-Olsen I can find crash report in DiagnosticReports but its the same information OSX presents to me. I cant decypher anything from it :)
    – lukas.pukenis
    Feb 9 '15 at 7:25
  • @HaraldHanche-Olsen also I have newer OSX maybe so I have LLDB but cant attach it. Could you provide some information ?
    – lukas.pukenis
    Feb 9 '15 at 7:26
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    Sorry, I have never used LLDB, but there is some information to be had by running lldb --help. You can easily run a fresh emacs under LLDB by running lldb -- /Applications/Emacs.app/Contents/MacOS/Emacs -Q (assuming this is where it's at, and assuming you want the -Q flag for emacs). Then once lldb starts and you have authorized it to do its job, you type run. Then trigger the crash in emacs, and come back to lldb to get a backtrace by using the bt command. (Note that lldb also has a help command. Use it.)
    – Harald Hanche-Olsen
    Feb 9 '15 at 14:47
  • I might add that if your emacs executable is stripped, you are not likely to get much out of the backtrace. Good luck.
    – Harald Hanche-Olsen
    Feb 9 '15 at 14:48

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