On 12/6/2012 10:42 PM, Ken Brown wrote:
On 12/6/2012 5:20 PM, Rockefeller, Harry wrote:
'Emacs -Q' failed after a few minutes of doing svn file diffs.
Can you give me a detailed step-by-step recipe so that I can try to
reproduce the problem? I don't really know what you mean by "doing svn
file diffs".
I ran gdb on the hung process. I am not too familiar with this
kind of debugging.
Let me know if there is more I can give next time this happens.
Here is some output.
ps
PID PPID PGID WINPID TTY UID STIME COMMAND
8304 1 8304 8304 cons0 11097 15:35:35
/usr/bin/xterm
3032 8304 3032 8048 pty2 11097 15:35:42
/usr/bin/bash
6428 3032 3032 7580 pty2 11097 15:35:48
/usr/bin/xterm
6304 6428 6304 9440 pty3 11097 15:35:48
/usr/bin/bash
6120 6304 6120 10052 pty3 11097 15:42:55
/usr/bin/emacs-X11
7124 6120 7124 8524 ? 11097 16:02:29
/usr/bin/diff <defunct>
And
$ gdb --pid=6120
GNU gdb (GDB) 7.5.50.20120815-cvs (cygwin-special)
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show
copying"
and "show warranty" for details.
This GDB was configured as "i686-cygwin".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Attaching to process 10052
[New Thread 10052.0x2028]
[New Thread 10052.0x2434]
[New Thread 10052.0x1100]
[New Thread 10052.0x78c]
[New Thread 10052.0x225c]
[New Thread 10052.0xca4]
[New Thread 10052.0x2234]
Reading symbols from /usr/bin/emacs-X11.exe...Reading symbols from
/usr/lib/debug/usr/bin/emacs-X11.exe.dbg...done.
done.
(gdb) bt
#0 0x7c90120f in ntdll!DbgUiConnectToDbg () from
/cygdrive/c/WINDOWS/system32/ntdll.dll
#1 0x7c952119 in ntdll!KiIntSystemCall () from
/cygdrive/c/WINDOWS/system32/ntdll.dll
#2 0x00000005 in ?? ()
#3 0x00000000 in ?? ()
This is a backtrace of a thread that gdb has created. You need to
switch to thread 1 (the main emacs thread) before you can get a useful
backtrace:
(gdb) thread 1
(gdb) bt
Even better, you can get a backtrace of all threads with the command
`thread apply all bt' or, for more detail, `thread apply all bt full'.
And please attach cygcheck output when you write again.
One other question: Both you and Jonas Linde have said that emacs
"hangs". Do you see the CPU usage increasing when this happens? If so,
that would suggest an infinite loop.
Ken
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