From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2243 invoked by alias); 20 Sep 2013 10:23:32 -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 2197 invoked by uid 48); 20 Sep 2013 10:23:27 -0000 From: "mjw at redhat dot com" To: systemtap@sourceware.org Subject: [Bug uprobes/15972] New: core dump with process probes Date: Fri, 20 Sep 2013 10:23:00 -0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new 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: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter Message-ID: 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/msg00331.txt.bz2 https://sourceware.org/bugzilla/show_bug.cgi?id=15972 Bug ID: 15972 Summary: core dump with process probes Product: systemtap Version: unspecified Status: NEW Severity: normal Priority: P2 Component: uprobes Assignee: systemtap at sourceware dot org Reporter: mjw at redhat dot com Linux version 3.10.11-200.fc19.x86_64 (mockbuild@bkernel01.phx2.fedoraproject.org) (gcc version 4.8.1 20130603 (Red Hat 4.8.1-1) (GCC) ) #1 SMP Mon Sep 9 13:03:01 UTC 2013 Command line: BOOT_IMAGE=/vmlinuz-3.10.11-200.fc19.x86_64 root=UUID=4f86948d-fc04-4940-8f90-e55ac67bf69c ro rd.md=0 rd.lvm=0 rd.dm=0 rd.luks=0 vconsole.keymap=us rhgb quiet LANG=en_US.UTF-8 $ stap -k -v -e 'probe process("/usr/lib64/libglib-2.0*").function("g_main_context_iterate*").call { printf("%d %s call\n", pid(), execname()); }' Pass 1: parsed user script and 106 library script(s) using 226392virt/41848res/3112shr/39532data kb, in 220usr/20sys/820real ms. Pass 2: analyzed script: 2 probe(s), 2 function(s), 2 embed(s), 0 global(s) using 387808virt/49920res/5456shr/45028data kb, in 80usr/550sys/9568real ms. Pass 3: translated to C into "/tmp/stapYViNMv/stap_1284_src.c" using 385332virt/49760res/5416shr/45028data kb, in 20usr/50sys/65real ms. Pass 4: compiled C into "stap_1284.ko" in 1750usr/350sys/4873real ms. Pass 5: starting run. 318 accounts-daemon call 318 accounts-daemon call 1123 gdbus call 1123 gdbus call 1056 upowerd call 1056 upowerd call 306 firewalld call 306 firewalld call 958 gdbus call 958 gdbus call 935 gdbus call 935 gdbus call 396 modem-manager call 396 modem-manager call 368 NetworkManager call 368 NetworkManager call 971 gnome-session call 971 gnome-session call 360 polkitd call 360 polkitd call 1034 gdbus call 1034 gdbus call 1046 gdbus call 1046 gdbus call 1125 gdbus call 1125 gdbus call 920 gdm call 920 gdm call 1026 gdbus call 1026 gdbus call 1161 gdbus call 1161 gdbus call 1516 gdbus call 1516 gdbus call 1522 gdbus call 1522 gdbus call 1526 gdm call 1526 gdm call 1530 gdbus call 1530 gdbus call 1534 gdbus call 1534 gdbus call <... then some processes start to core dump ...> dmesg output: [ 182.717920] Kprobes globally unoptimized [ 182.719609] stap_1482: module verification failed: signature and/or required key missing - tainting kernel [ 182.757338] stap_1482: systemtap: 2.3/0.156, base: ffffffffa032c000, memory: 58data/40text/8ctx/2058net/33alloc kb, probes: 2 [ 183.730127] traps: accounts-daemon[318] general protection ip:7fffffffe080 sp:7fff37c523e0 error:0 [ 184.471758] traps: gdbus[1137] general protection ip:7fffffffe080 sp:7f6d92cf4bc0 error:0 [ 184.471932] traps: upowerd[1056] general protection ip:7fffffffe080 sp:7fff932351b0 error:0 [ 184.472203] traps: firewalld[306] general protection ip:7fffffffe080 sp:7fff80710490 error:0 [ 184.472461] traps: gdbus[959] general protection ip:7fffffffe080 sp:7f3fa84ead80 error:0 [ 184.473344] traps: gdbus[936] general protection ip:7fffffffe080 sp:7fc9319b9dc0 error:0 [ 184.473416] traps: modem-manager[396] general protection ip:7fffffffe080 sp:7fffbd866d50 error:0 [ 184.473447] Pid 396(modem-manager) over core_pipe_limit [ 184.473448] Skipping core dump [ 184.474172] traps: NetworkManager[368] general protection ip:7fffffffe080 sp:7fff0a3f65f0 error:0 [ 184.474200] Pid 368(NetworkManager) over core_pipe_limit [ 184.474201] Skipping core dump [ 184.474808] traps: gnome-session[971] general protection ip:7fffffffe080 sp:7fff4f9c4bf0 error:0 [ 184.475138] Pid 971(gnome-session) over core_pipe_limit [ 184.475140] Skipping core dump [ 184.476604] Pid 1034(gdbus) over core_pipe_limit [ 184.476606] Skipping core dump [ 184.477161] Pid 1046(gdbus) over core_pipe_limit [ 184.477162] Skipping core dump [ 184.481080] Pid 1125(gdbus) over core_pipe_limit [ 184.481083] Skipping core dump All general protection ip addresses look the same. -- You are receiving this mail because: You are the assignee for the bug.