From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16993 invoked by alias); 20 Sep 2013 10:39:03 -0000 Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org Received: (qmail 16954 invoked by uid 48); 20 Sep 2013 10:39:00 -0000 From: "mjw at redhat dot com" To: systemtap@sourceware.org Subject: [Bug uprobes/15972] core dump with process probes Date: Fri, 20 Sep 2013 10:39:00 -0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: systemtap X-Bugzilla-Component: uprobes X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mjw at redhat dot com X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: systemtap at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-q3/txt/msg00333.txt.bz2 https://sourceware.org/bugzilla/show_bug.cgi?id=15972 --- Comment #2 from Mark Wielaard --- Attaching gdb at the same time shows: Program received signal SIGSEGV, Segmentation fault. g_main_context_iterate (context=0x7f7f123a7d80, block=block@entry=1, dispatch=dispatch@entry=1, self=) at gmain.c:3649 3649 UNLOCK_CONTEXT (context); (gdb) disassemble Dump of assembler code for function g_main_context_iterate: 0x00007f7f1129ef90 <+0>: push %r15 0x00007f7f1129ef92 <+2>: push %r14 0x00007f7f1129ef94 <+4>: mov %esi,%r14d 0x00007f7f1129ef97 <+7>: push %r13 0x00007f7f1129ef99 <+9>: push %r12 0x00007f7f1129ef9b <+11>: push %rbp 0x00007f7f1129ef9c <+12>: push %rbx 0x00007f7f1129ef9d <+13>: mov %rdi,%rbx 0x00007f7f1129efa0 <+16>: sub $0x28,%rsp 0x00007f7f1129efa4 <+20>: mov %edx,0xc(%rsp) => 0x00007f7f1129efa8 <+24>: int3 0x00007f7f1129efa9 <+25>: retq 0x00007f7f1129efaa <+26>: repnz add (%rax),%eax 0x00007f7f1129efad <+29>: mov %rbx,%rdi 0x00007f7f1129efb0 <+32>: callq 0x7f7f1129e220 I am surprised gdb sees the int3. And that it gets a SIGSEGV here (not a SIGTRAP). -- You are receiving this mail because: You are the assignee for the bug.