Date: Fri, 12 Jun 2015 12:03:16 +0200 From: "Andre Meiser" <ortadur@web.de> To: freebsd-stable@freebsd.org Subject: Aw: Re: Many core dumps in pthread_getspecific. Message-ID: <trinity-15fcacbd-871c-4ea8-9257-5d11e7862ec0-1434103396559@3capp-webde-bs41> In-Reply-To: <20150603145838.GX2499@kib.kiev.ua> References: <trinity-d3a62468-a8fd-44c3-ab9c-8b177ca8a366-1433331244003@3capp-webde-bs60>, <20150603145838.GX2499@kib.kiev.ua>
next in thread | previous in thread | raw e-mail | index | archive | help
Hi, On Wed, Jun 03, 2015 at 16:58 +0200, Konstantin Belousov wrote: > You should recompile both libc and libthr with debugging symbols, like > cd /usr/src > (cd lib/libc && make all install DEBUG_FLAGS=-g) > (cd lib/libthr && make all install DEBUG_FLAGS=-g) > then obtain the core dump and post backtraces. still no new core dump from Xorg, but one from vim. As far as I recall, vim used to crash at pthread_getspecific, too, but this time it was different: Core was generated by `vim'. Program terminated with signal 11, Segmentation fault. Reading symbols from /lib/libm.so.5...(no debugging symbols found)...done. Loaded symbols for /lib/libm.so.5 Reading symbols from /lib/libncurses.so.8...(no debugging symbols found)...done. Loaded symbols for /lib/libncurses.so.8 Reading symbols from /usr/local/lib/libintl.so.8...(no debugging symbols found)...done. Loaded symbols for /usr/local/lib/libintl.so.8 Reading symbols from /usr/local/lib/libpython2.7.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/local/lib/libpython2.7.so.1 Reading symbols from /lib/libthr.so.3...done. Loaded symbols for /lib/libthr.so.3 Reading symbols from /lib/libc.so.7...done. Loaded symbols for /lib/libc.so.7 Reading symbols from /lib/libutil.so.9...done. Loaded symbols for /lib/libutil.so.9 Reading symbols from /libexec/ld-elf.so.1...done. Loaded symbols for /libexec/ld-elf.so.1 #0 0x000000080149d6a2 in check_deferred_signal (curthread=0x802406400) at /usr/src/lib/libthr/thread/thr_sig.c:331 331 getcontext(uc); [New Thread 802406400 (LWP 101373/vim)] Current language: auto; currently minimal (gdb) bt #0 0x000000080149d6a2 in check_deferred_signal (curthread=0x802406400) at /usr/src/lib/libthr/thread/thr_sig.c:331 #1 0x000000080149d5ed in _thr_ast (curthread=0x802406400) at /usr/src/lib/libthr/thread/thr_sig.c:264 #2 0x00000008014a23c7 in _thr_rtld_lock_release (lock=<value optimized out>) at /usr/src/lib/libthr/thread/thr_rtld.c:162 #3 0x000000080083c94d in _r_debug_postinit () from /libexec/ld-elf.so.1 #4 0x000000080083a15d in .text () from /libexec/ld-elf.so.1 #5 0x00000000004e3d83 in preserve_exit () #6 0x000000000051e808 in mch_libcall () #7 0x000000080149e47a in handle_signal (actp=<value optimized out>, sig=<value optimized out>, info=<value optimized out>, ucp=<value optimized out>) at /usr/src/lib/libthr/thread/thr_sig.c:240 #8 0x000000080149e062 in thr_sighandler (sig=<value optimized out>, info=<value optimized out>, _ucp=<value optimized out>) at /usr/src/lib/libthr/thread/thr_sig.c:183 #9 <signal handler called> #10 0x000000080149d6a2 in check_deferred_signal (curthread=0x802406400) at /usr/src/lib/libthr/thread/thr_sig.c:331 #11 0x000000080149d5ed in _thr_ast (curthread=0x802406400) at /usr/src/lib/libthr/thread/thr_sig.c:264 #12 0x00000008014a23c7 in _thr_rtld_lock_release (lock=<value optimized out>) at /usr/src/lib/libthr/thread/thr_rtld.c:162 #13 0x000000080083c94d in _r_debug_postinit () from /libexec/ld-elf.so.1 #14 0x000000080083a15d in .text () from /libexec/ld-elf.so.1 #15 0x000000080149e4e2 in handle_signal (actp=<value optimized out>, sig=<value optimized out>, info=<value optimized out>, ucp=<value optimized out>) at /usr/src/lib/libthr/thread/thr_sig.c:256 #16 0x000000080149e062 in thr_sighandler (sig=<value optimized out>, info=<value optimized out>, _ucp=<value optimized out>) at /usr/src/lib/libthr/thread/thr_sig.c:183 #17 <signal handler called> #18 0x00000008017f9b7a in select () from /lib/libc.so.7 #19 0x000000080149bb32 in __select (numfds=1, readfds=0x7fffffffdfb0, writefds=0x0, exceptfds=0x7fffffffdf30, timeout=0x0) at /usr/src/lib/libthr/thread/thr_syscalls.c:561 #20 0x000000000051a33b in mch_write () #21 0x000000000051a5ac in mch_inchar () #22 0x00000000005b7a17 in ui_inchar () #23 0x00000000004ae86a in inchar () #24 0x00000000004b1cdb in vgetc () #25 0x00000000004b0bda in vgetc () #26 0x00000000004b2499 in safe_vgetc () #27 0x00000000004f560f in normal_cmd () #28 0x00000000005df297 in main_loop () #29 0x00000000005de908 in main () It's still a thread problem, but I've no idea if it's related with the former pthread_getspecific problem. Sincerely yours Andre.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?trinity-15fcacbd-871c-4ea8-9257-5d11e7862ec0-1434103396559>