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bug#17269: 24.3.90; assertion failure at buf_charpos_to_bytepos (marker.


From: Eli Zaretskii
Subject: bug#17269: 24.3.90; assertion failure at buf_charpos_to_bytepos (marker.c)
Date: Tue, 15 Apr 2014 18:53:26 +0300

> From: Nicolas Richard <address@hidden>
> Date: Tue, 15 Apr 2014 16:28:32 +0200
> 
> I got this today (I was running without --enable-checking until today).
> 
> I still have that session open in case you want more info.
> 
> Also, as a side note, in the current buffer (in which I'm reporting the
> bug), I see problems like <end> going five to 5 to 10 lines below
> current position. Apparently, it happens after I use C-k (kill-line). It
> goes way when setting (setq cache-long-line-scans nil). I guess the
> crash and this problem are related ?

It's related, but can you reproduce this in "emacs -Q"?

> I'm running emacs-24 branch at commit
> ef5b917 * savannah/emacs-24 Fix relative links to parent directories in shr
> *but* I also have applied Paul Eggert's patch mentionned in bug#17172

Not sure what this means, Paul made several commits during the last 2
days.  Can you be more specific (or even state the bzr revision
number)?

> Breakpoint 1, terminate_due_to_signal (sig=6, backtrace_limit=2147483647) at 
> emacs.c:351
> 351     signal (sig, SIG_DFL);
> #0  terminate_due_to_signal (sig=6, backtrace_limit=2147483647) at emacs.c:351
> #1  0x081f581f in die (msg=0x83079dc "BUF_BEG (b) <= charpos && charpos <= 
> BUF_Z (b)", file=0x83079d0 "marker.c", line=145) at alloc.c:6826
> #2  0x081bc08d in buf_charpos_to_bytepos (b=0x9b42080, charpos=14233) at 
> marker.c:145
> #3  0x081d7c59 in find_newline (start=14230, start_byte=14230, end=14231, 
> end_byte=14231, count=1, shortage=0xbfffdcd4, bytepos=0x0, allow_quit=true) 
> at search.c:780
> #4  0x081d845f in find_before_next_newline (from=14224, to=0, cnt=1, 
> bytepos=0x0) at search.c:1006
> #5  0x082019e6 in Fline_end_position (n=4) at editfns.c:813
> #6  0x081ceff0 in Fend_of_line (n=4) at cmds.c:199

What is the value of BUF_Z(b) in frame #2?

Also, what is the major mode in the buffer in question?





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