From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21682 invoked by alias); 15 Sep 2014 13:37:55 -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 21658 invoked by uid 48); 15 Sep 2014 13:37:50 -0000 From: "mcermak at redhat dot com" To: systemtap@sourceware.org Subject: [Bug runtime/17393] java.exp: ERROR: Cannot attach to module control channel Date: Mon, 15 Sep 2014 13:37:00 -0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: systemtap X-Bugzilla-Component: runtime X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mcermak 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: 2014-q3/txt/msg00257.txt.bz2 https://sourceware.org/bugzilla/show_bug.cgi?id=17393 --- Comment #1 from Martin Cermak --- On RHEL7 similar behaviour can be observed except two things: - the 'zombie module' issue happens even in the verbose mode and - no probes are being hit (which isn't true in the previous post) Details: ======= 7.0 S x86_64 # uname -r; rpm -q systemtap java-1.7.0-openjdk 3.10.0-131.el7.x86_64 systemtap-2.7-1.mcermak.5705063.el7.x86_64 java-1.7.0-openjdk-1.7.0.65-2.5.1.2.el7_0.x86_64 7.0 S x86_64 # stap systemtap.apps/singleparam.stp -c "java singleparam >/dev/null 2>&1" ERROR: Cannot attach to module stap_9cdab9fbf6e7162080002b330c28908a_13844 control channel; not running? ERROR: 'stap_9cdab9fbf6e7162080002b330c28908a_13844' is not a zombie systemtap module. WARNING: /usr/bin/staprun exited with status: 1 Pass 5: run failed. [man error::pass5] 7.0 S x86_64 # stap systemtap.apps/singleparam.stp -c "java singleparam >/dev/null 2>&1" ERROR: Cannot attach to module stap_9cdab9fbf6e7162080002b330c28908a_13961 control channel; not running? ERROR: 'stap_9cdab9fbf6e7162080002b330c28908a_13961' is not a zombie systemtap module. WARNING: /usr/bin/staprun exited with status: 1 Pass 5: run failed. [man error::pass5] 7.0 S x86_64 # lsmod | grep stap | awk '{print $1}' | xargs rmmod 7.0 S x86_64 # lsmod | grep stap 7.0 S x86_64 # stap systemtap.apps/singleparam.stp -c "java singleparam >/dev/null 2>&1" 7.0 S x86_64 # stap systemtap.apps/singleparam.stp -c "java singleparam >/dev/null 2>&1" 7.0 S x86_64 # stap systemtap.apps/singleparam.stp -c "java singleparam >/dev/null 2>&1" 7.0 S x86_64 # java singleparam 7.0 S x86_64 # stap systemtap.apps/singleparam.stp -c "java singleparam >/dev/null 2>&1" ERROR: Cannot attach to module stap_9cdab9fbf6e7162080002b330c28908a_14456 control channel; not running? ERROR: 'stap_9cdab9fbf6e7162080002b330c28908a_14456' is not a zombie systemtap module. WARNING: /usr/bin/staprun exited with status: 1 Pass 5: run failed. [man error::pass5] 7.0 S x86_64 # lsmod | grep stap stap_9cdab9fbf6e7162080002b330c28908a_14456 239073 0 7.0 S x86_64 # lsmod | grep stap | awk '{print $1}' | xargs rmmod 7.0 S x86_64 # stap systemtap.apps/singleparam.stp -c "java singleparam >/dev/null 2>&1" ERROR: Cannot attach to module stap_9cdab9fbf6e7162080002b330c28908a_14581 control channel; not running? ERROR: 'stap_9cdab9fbf6e7162080002b330c28908a_14581' is not a zombie systemtap module. WARNING: /usr/bin/staprun exited with status: 1 Pass 5: run failed. [man error::pass5] 7.0 S x86_64 # # NOW THE VERBOSE MODE 7.0 S x86_64 # stap -v systemtap.apps/singleparam.stp -c "java singleparam >/dev/null 2>&1" Pass 1: parsed user script and 114 library script(s) using 218196virt/35532res/3012shr/33084data kb, in 210usr/20sys/222real ms. Pass 2: analyzed script: 32 probe(s), 5 function(s), 4 embed(s), 0 global(s) using 219972virt/38464res/4068shr/34860data kb, in 30usr/70sys/97real ms. Pass 3: using cached /root/.systemtap/cache/9c/stap_9cdab9fbf6e7162080002b330c28908a_11075.c Pass 4: using cached /root/.systemtap/cache/9c/stap_9cdab9fbf6e7162080002b330c28908a_11075.ko Pass 5: starting run. Pass 5: run completed in 80usr/90sys/30418real ms. 7.0 S x86_64 # stap -v systemtap.apps/singleparam.stp -c "java singleparam >/dev/null 2>&1" Pass 1: parsed user script and 114 library script(s) using 218188virt/35532res/3012shr/33076data kb, in 200usr/10sys/220real ms. Pass 2: analyzed script: 32 probe(s), 5 function(s), 4 embed(s), 0 global(s) using 219964virt/38516res/4068shr/34852data kb, in 30usr/70sys/100real ms. Pass 3: using cached /root/.systemtap/cache/9c/stap_9cdab9fbf6e7162080002b330c28908a_11075.c Pass 4: using cached /root/.systemtap/cache/9c/stap_9cdab9fbf6e7162080002b330c28908a_11075.ko Pass 5: starting run. ERROR: Cannot attach to module stap_9cdab9fbf6e7162080002b330c28908a_14816 control channel; not running? ERROR: 'stap_9cdab9fbf6e7162080002b330c28908a_14816' is not a zombie systemtap module. WARNING: /usr/bin/staprun exited with status: 1 Pass 5: run completed in 80usr/100sys/30422real ms. Pass 5: run failed. [man error::pass5] 7.0 S x86_64 # ======= I can provide more testing details or an access to testing box on demand. -- You are receiving this mail because: You are the assignee for the bug.