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bug#14569: 24.3.50; bootstrap fails on Cygwin
From: |
Jan Djärv |
Subject: |
bug#14569: 24.3.50; bootstrap fails on Cygwin |
Date: |
Tue, 11 Jun 2013 17:39:00 +0200 |
Hello.
10 jun 2013 kl. 20:56 skrev Angelo Graziosi <angelo.graziosi@alice.it>:
> Il 10/06/2013 18.27, Jan Djärv ha scritto:
>> Hello.
>>
>> This sounds like a bug in GLib. Put a breakpoint at g_thread_abort to get a
>> useful backtrace.
>
> I am afraid but GDB is not for me... :(
The error is not even consistent, it only occurs sometimes. There seems to be
a random memory corruption going on. Sometimes bootstrap fails with a core
dump, sometimes with
GLib (gthread-posix.c): Unexpected error from C library during
'pthread_setspecific': Invalid argument. Aborting.
And this is while compiling .el-files. It is not crashing in the same
.el-file, many files compile just fine before the crash happens (if it
happens). Redoing the make after a crash usually produces an Emacs executable.
It seems to run fine, but I haven't run it for a very long time. Maybe the
bug manifests itself only in bootstrap-emacs when using GLib?
I got one backtrace for the setspecific error:
Breakpoint 1, 0x610dcd26 in abort () from /usr/bin/cygwin1.dll
(gdb) bt
#0 0x610dcd26 in abort () from /usr/bin/cygwin1.dll
#1 0x6a90d066 in g_spawn_close_pid () from /usr/bin/cygglib-2.0-0.dll
#2 0x6a908e8c in g_private_set () from /usr/bin/cygglib-2.0-0.dll
#3 0x6a8f06ce in g_thread_self () from /usr/bin/cygglib-2.0-0.dll
#4 0x6a8ce250 in g_main_context_iteration () from /usr/bin/cygglib-2.0-0.dll
#5 0x6a8ce2aa in g_main_context_iteration () from /usr/bin/cygglib-2.0-0.dll
#6 0x6a8f017d in g_thread_proxy () from /usr/bin/cygglib-2.0-0.dll
#7 0x610ffe1a in pthread::thread_init_wrapper(void*) ()
from /usr/bin/cygwin1.dll
#8 0x6108974c in thread_wrapper(void*) () from /usr/bin/cygwin1.dll
This is in a separate thread, Emacs is executing in another thread:
(gdb) info threads
Id Target Id Frame
* 3 Thread 1564.0x2d4 0x610dcd26 in abort () from /usr/bin/cygwin1.dll
2 Thread 1564.0xfd0 0x7c90e514 in ntdll!KiFastSystemCallRet ()
from /cygdrive/c/WINDOWS/system32/ntdll.dll
1 Thread 1564.0xa8c 0x0054b2d5 in oblookup (obarray=<optimized out>,
ptr=<optimized out>, size=10, size_byte=<optimized out>) at lread.c:3905
(gdb) thr 1
[Switching to thread 1 (Thread 1564.0xa8c)]
#0 0x0054b2d5 in oblookup (obarray=<optimized out>, ptr=<optimized out>,
size=10, size_byte=<optimized out>) at lread.c:3905
3905 if (SBYTES (SYMBOL_NAME (tail)) == size_byte
(gdb) thr 1
[Switching to thread 1 (Thread 1564.0xa8c)]
#0 0x0054b2d5 in oblookup (obarray=<optimized out>, ptr=<optimized out>,
size=10, size_byte=<optimized out>) at lread.c:3905
3905 if (SBYTES (SYMBOL_NAME (tail)) == size_byte
(gdb) bt
#0 0x0054b2d5 in oblookup (obarray=<optimized out>, ptr=<optimized out>,
size=10, size_byte=<optimized out>) at lread.c:3905
#1 0x0054b678 in intern_c_string_1 (
str=0x779503 <targets.14003+4547> ":keepalive", len=10) at lread.c:3715
#2 0x0056b76b in intern_c_string (
str=0x779503 <targets.14003+4547> ":keepalive") at lisp.h:3332
#3 init_process_emacs () at process.c:7144
#4 0x004bf335 in main (argc=<optimized out>, argv=0x22abc0) at emacs.c:1464
(gdb) fr3
Undefined command: "fr3". Try "help".
(gdb) fr 3
#3 init_process_emacs () at process.c:7144
7144 subfeatures = pure_cons (intern_c_string (sopt->name),
subfeatures);
As there seems to be no good memory debuggers for Cygwin, this will be hard to
find. I still think it is an GLib/Cygwin error.
Jan D.
- bug#14569: 24.3.50; bootstrap fails on Cygwin, (continued)
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Jan Djärv, 2013/06/10
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Angelo Graziosi, 2013/06/10
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Paul Eggert, 2013/06/10
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Angelo Graziosi, 2013/06/10
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Paul Eggert, 2013/06/10
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Angelo Graziosi, 2013/06/10
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Angelo Graziosi, 2013/06/10
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Angelo Graziosi, 2013/06/11
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Paul Eggert, 2013/06/11
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Angelo Graziosi, 2013/06/11
- bug#14569: 24.3.50; bootstrap fails on Cygwin,
Jan Djärv <=
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Eli Zaretskii, 2013/06/11
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Paul Eggert, 2013/06/11
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Ken Brown, 2013/06/11
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Eli Zaretskii, 2013/06/11
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Ken Brown, 2013/06/11
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Jan Djärv, 2013/06/11
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Jan Djärv, 2013/06/11
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Jan Djärv, 2013/06/12
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Paul Eggert, 2013/06/12
- bug#14569: 24.3.50; bootstrap fails on Cygwin, Angelo Graziosi, 2013/06/12