From owner-freebsd-threads@freebsd.org Fri Feb 5 12:34:59 2016 Return-Path: Delivered-To: freebsd-threads@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 3351CA778BD for ; Fri, 5 Feb 2016 12:34:59 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 24A0B14A4 for ; Fri, 5 Feb 2016 12:34:59 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id u15CYw3X095194 for ; Fri, 5 Feb 2016 12:34:59 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-threads@FreeBSD.org Subject: [Bug 204426] Processes terminating cannot access memory Date: Fri, 05 Feb 2016 12:34:59 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 10.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: rblayzor@inoc.net X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-threads@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Feb 2016 12:34:59 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D204426 --- Comment #27 from rblayzor@inoc.net --- Just had one of the VM's sig11 on Dovecot last night... This one is giving = me the cannot access memory error ... This GDB was configured as "amd64-marcel-freebsd"... Core was generated by `dovecot'. Program terminated with signal 11, Segmentation fault. Reading symbols from /usr/local/lib/dovecot/libdovecot.so.0...done. Loaded symbols for /usr/local/lib/dovecot/libdovecot.so.0 Reading symbols from /lib/libc.so.7...Reading symbols from /usr/lib/debug//lib/libc.so.7.debug...done. done. Loaded symbols for /lib/libc.so.7 Reading symbols from /libexec/ld-elf.so.1...Reading symbols from /usr/lib/debug//libexec/ld-elf.so.1.debug...done. done. Loaded symbols for /libexec/ld-elf.so.1 #0 memcpy () at bcopy.S:65 65 bcopy.S: No such file or directory. in bcopy.S (gdb) bt full #0 memcpy () at bcopy.S:65 No locals. #1 0x0000000800915484 in sig_handler (signo=3D20, si=3D0x7fffffffa9a0, context=3D0x7fffffffa630) at lib-signals.c:132 h =3D (struct signal_handler *) 0x8014198e0 saved_errno =3D 14 c =3D 0 '\0' tmp_si =3D {si_signo =3D 0, si_errno =3D 0, si_code =3D 0, si_pid = =3D 0, si_uid =3D 0, si_status =3D 0, si_addr =3D 0x0, si_value =3D {sival_int =3D 0, sival_ptr =3D 0x0, sigval= _int =3D 0, sigval_ptr =3D 0x0}, _reason =3D {_fault =3D {_trapno =3D 0}, _timer =3D {_timerid =3D 0, _ove= rrun =3D 0}, _mesgq =3D {_mqd =3D 0}, _poll =3D {_band =3D 0}, __spare__ =3D {__spare1__ =3D 0, __spare2__ =3D 0x7fffffffa5c8}}} #2 No symbol table info available. #3 0x0000000000411fc8 in _fini () No symbol table info available. #4 0x000000080061c9a8 in objlist_call_fini () at /.amd_mnt/juno/pub/FreeBSD/10.2-RELEASE/libexec/rtld-elf/rtld.c:2359 list =3D (Objlist *) Cannot access memory at address 0x0 Current language: auto; currently asm (gdb) x/i $rip 0x800cd1a76 : rep movsq %ds:(%rsi),%es:(%rdi) (gdb) info registers rax 0x800b893f0 34371834864 rbx 0x7fffffffaef8 140737488334584 rcx 0xa 10 rdx 0x50 80 rsi 0x7fffffffa9a0 140737488333216 rdi 0x800b893f0 34371834864 rbp 0x7fffffffa610 0x7fffffffa610 rsp 0x7fffffffa578 0x7fffffffa578 r8 0xffff800800b8ea50 -140703116498352 r9 0xfffff8000a811000 -8795916791808 r10 0x800636200 34366251520 r11 0x246 582 r12 0x800636200 34366251520 r13 0x800834830 34368342064 r14 0x7fffffffaef8 140737488334584 r15 0x0 0 rip 0x800cd1a76 0x800cd1a76 eflags 0x10206 66054 cs 0x43 67 ss 0x3b 59 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) --=20 You are receiving this mail because: You are the assignee for the bug.=