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bug#17322: 24.3.90; emacs crash at eassert (verify_row_hash (a)) in disp
From: |
Eli Zaretskii |
Subject: |
bug#17322: 24.3.90; emacs crash at eassert (verify_row_hash (a)) in dispnew.c:1169 |
Date: |
Wed, 23 Apr 2014 17:43:44 +0300 |
> From: Nicolas Richard <theonewiththeevillook@yahoo.fr>
> Date: Wed, 23 Apr 2014 12:57:01 +0200
>
> I think I was busy in magit, probably about to switch to another branch.
> I'm not sure.
>
> anyway here's the full backtrace. I kept the gdb session open just in case.
>
> Starting program: /home/youngfrog/sources/running-emacs/src/emacs -nw
> warning: Could not load shared library symbols for linux-gate.so.1.
> Do you need "set solib-search-path" or "set sysroot"?
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/libthread_db.so.1".
> [New Thread 0xb6389b40 (LWP 29247)]
> [New Thread 0xb5801b40 (LWP 29252)]
> [New Thread 0xb4e11b40 (LWP 29253)]
>
> 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 0x081f5927 in die (msg=0x82d5798 "verify_row_hash (a)", file=0x82d5608
> "dispnew.c", line=1169) at alloc.c:6826
> #2 0x08059979 in row_equal_p (a=0xa25151c, b=0xb2a0afc, mouse_face_p=true)
> at dispnew.c:1169
> #3 0x0805ef01 in scrolling_window (w=0xa7ee2f0, header_line_p=false) at
> dispnew.c:4129
There's a slim chance that output from the following GDB commands will
give some hint:
(gdb) frame 2
(gdb) pgrowx a
(gdb) pgrowx b
If not, it's almost impossible to debug these assertion violations
(and we didn't see them for a very long time now).
> #3 0x0805ef01 in scrolling_window (w=0xa7ee2f0, header_line_p=false) at
> dispnew.c:4129
> desired_matrix = 0x96873a0
> current_matrix = 0xb453fb0
> yb = 967
> i = 32
> j = 32
> first_old = 30
> first_new = 30
> last_old = 50
> last_new = 50
Do you really have 50 lines in your windows?
Thanks.