gcore error in sourced command file Wahkiacus Washington

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gcore error in sourced command file Wahkiacus, Washington

As we found in part 3, even with 0xffff in /proc/PID/coredump_filter, we do not get all the virtual address sections that we see at runtime in /proc/PID/maps or /proc/PID/smaps. attach $pid gcore $name.$pid detach Gcore attaches to the process using gdb and runs the gdb gcore command and then detaches. Loaded symbols for /lib/libc.so.6 Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done. Also tried below command and ending up the error: # gcore [-o dumpname] 2528 core.WVTh55:4: Error in sourced command file: Illegal process-id: [-o.

Then, I became free to examine the core file as needed: # gdb /proc/15659/exe core.15659 In truth I had forgotten about the ability of GDB to generate core files, plus I This is a gdb script that handles this problem: >cat ./analyze.v2.gdb python def my_ignore_errors(arg): try: gdb.execute("print \"" + "Executing command: " + arg + "\"") gdb.execute (arg) except: gdb.execute("print \"" + more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed How to continue executing the command file? [Edited] In my real gdb script while analyzing a core file I try to dereference a pointer and get "Error in sourced command file:

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share|improve this answer answered Jul 29 '13 at 12:27 Max Leske 3,60232340 add a comment| up vote 0 down vote You can also do this: gdb a.out < analyze.v2.gdb This will Home Community Contact Us Donate Contributing Public Hurd Boxen QEMU Images Getting Help Project Ideas Open Issues Documentation FAQ Hurd Documentation Running Mach Documentation GNU Mach MIG Documentation GNU MIG Debian URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20120923/7fdd8b67/attachment-0001.html Previous message: [Freeswitch-users] FreeSwitch not Processing calls (B-Leg) until restart Next message: [Freeswitch-users] FreeSwitch not Processing calls (B-Leg) until restart Messages sorted by: [ date ] [ thread ] Therefore, if IBM Java produces the system dump instead of the kernel or gdb/gcore, then you can get an accurate calculation of the total virtual size of the process using gdb

Community Languages and Scripting CommunityCategoryBoardUsers turn on suggestions Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as What you could do however, is to assign a new value to the pointer when you hit that error, e.g. The JVM produces system dumps on Linux by using the fork() API to start an identical process to the parent JVM process. License: GFDL 1.2+ Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the

I typically use the gcore utility to generate core files from running processes, but in this case I was already attached to the process with gdb, so gcore failed: $ gcore Thank you. +Moin Last edited by moinsobhan; 07-11-2016 at 11:36 PM. moinsobhan View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by moinsobhan 07-12-2016, 02:04 AM #2 business_kid LQ Guru Registered: Jan 2006 Location: Renaming the file to file-name (deleted) changed the file output for exe from "broken symbolic link" to just "symbolic link".

Alex Brown on June 19th, 2007 (gdb) help future-break Set breakpoint at expression. set yourPointer = . Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal] .gdbinit:8: Error in sourced command file: Argument required (one or more breakpoint numbers). (gdb) In this situation the pointer has NULL value but in a real situation the pointer will like have not null invalid value.

If it can't be done now, attempt it again each time code is dynamically loaded. BillAtHRST on June 24th, 2008 use following: set breakpoint pending on to set breakpoint(s) that will be re-evaluated when code is dynamically loaded Leave a Comment Username (required) : Email (required) How to continue executing the command file? [Edited] I found a way to handle the error with python. http://publib.boulder.ibm.com/infocenter/java7sdk/v7r0/topic/com.ibm.java.lnx.70.doc/diag/tools/dumpagents_platform_nonzos.html

IBM Java then looks at /proc/PID/maps and appends information to the core dump that wouldn't otherwise be there: The Linux operating system core dump might not contain all the information

License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal] Function "info_command" not defined. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own. I wasn't able to successfully run gcore even then, though. –jPlatte Mar 12 '15 at 22:10 @jPlatte Heh that's quite funny –Lightness Races in Orbit Mar 12 '15 at

This GDB was configured as "x86_64-unknown-linux-gnu". You are currently viewing LQ as a guest. How to continue executing the command file? [Edited] I'm not sure if there is a variable that will allow it to continue. Lu 2010-04-20 18:44:24 UTC A patch is posted at http://sourceware.org/ml/gdb-patches/2010-04/msg00625.html Comment 4 cvs-commit@gcc.gnu.org 2010-04-21 20:23:16 UTC Subject: Bug 11523 CVSROOT: /cvs/src Module name: src Changes by: hjl@sourceware.org 2010-04-21 20:22:20 Modified files:

The SIGSEGV signal causes Linux to create a system dump for the child process. Format For Printing -XML -Clone This Bug -Top of page Home | New | Browse | Search | [?] | Reports | Requests | Help | NewAccount | Log In [x] Is it possible? How to use the binomial theorem to calculate binomials with a negative exponent 5008 out of the box How to draw a path with coordinates defined by f(x) How should I

I've added this automation to the ibmgcore.shscript which wraps gcore. up vote 3 down vote favorite Programming on CentOS 6.6, I deleted an executable (whoops, make clean) while it was running in a screen session. For bug reporting instructions, please see: ... The system dump for the child process contains an exact copy of the memory areas used in the parent.

Notices Welcome to LinuxQuestions.org, a friendly and active Linux Community. Is there a Korean word for 'Syllable Block'? When I ran the same test on a full blown WAS Java process, even with a full coredump_filter, we only got about 15% of the total virtual size of the process.

You can't do that without a process to debug.

Join them; it only takes a minute: Sign up gdb stops in a command file if there is an error. After doing some research and Googled followed the steps below: 1. gcore: failed to create core. [-o Would appreciate if someone can help me with this. The JVM then generates a SIGSEGV signal in the child process.

However, the dump viewer, and other system dump debuggers show only the single native thread that was running in the child process.