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bug#16119: 24.3.50; emacs aborted -- [xcb] Unknown request in queue whil
From: |
Dmitry Antipov |
Subject: |
bug#16119: 24.3.50; emacs aborted -- [xcb] Unknown request in queue while appending request |
Date: |
Thu, 12 Dec 2013 17:05:06 +0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 |
On 12/12/2013 04:25 PM, Nicolas Richard wrote:
I assumed that collecting all backtraces could be done via "thread <id>" and then
"bt".
Here's what I've done :
(gdb) info threads
Id Target Id Frame
6 Thread 0xb1d93b40 (LWP 10061) "emacs" deliver_input_available_signal
(sig=29) at keyboard.c:7151
5 Thread 0xb2594b40 (LWP 10060) "emacs" 0xb6efd325 in sys_futex0 (val=4,
op=<optimized out>, addr=0xb4f83fc) at
/var/tmp/portage/sys-devel/gcc-4.6.3/work/gcc-4.6.3/libgomp/config/linux/x86/futex.h:90
4 Thread 0xb38ffb40 (LWP 8571) "dconf worker" 0xb7fdf424 in
__kernel_vsyscall ()
3 Thread 0xb42a8b40 (LWP 8570) "gdbus" 0xb7fdf424 in __kernel_vsyscall ()
2 Thread 0xb4cceb40 (LWP 8569) "gmain" 0xb7fdf424 in __kernel_vsyscall ()
* 1 Thread 0xb5077880 (LWP 8565) "emacs" 0xb7fdf424 in __kernel_vsyscall ()
Having 6 threads (and 3 of them are "emacs") is a total mess. This is what I
have for 'emacs -Q' and C-c in gdb:
(gdb) i thr
Id Target Id Frame
4 Thread 0x7fffeeb1f700 (LWP 11538) "gdbus" 0x0000003869aeb7fd in poll ()
at ../sysdeps/unix/syscall-template.S:81
3 Thread 0x7fffef320700 (LWP 11536) "dconf worker" 0x0000003869aeb7fd in
poll () at ../sysdeps/unix/syscall-template.S:81
2 Thread 0x7fffefe82700 (LWP 11534) "gmain" 0x0000003869aeb7fd in poll ()
at ../sysdeps/unix/syscall-template.S:81
* 1 Thread 0x7ffff65b5a80 (LWP 11530) "emacs" 0x0000003869aed629 in
__pselect (nfds=11, readfds=0x7fffffffcfc0,
writefds=0x7fffffffcf40, exceptfds=0x0, timeout=<optimized out>,
sigmask=<optimized out>)
at ../sysdeps/unix/sysv/linux/pselect.c:77
It becomes curious to look into your Emacs binary. Can you upload it somewhere?
(To be honest, I'm suspecting a brain-damaged toolchain or glibc setup).
Dmitry