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[Bug 906876] Re: Gdb assertion failure when using core dumps: "find_inferior_pid: Assertion `pid != 0' failed"

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Matthias Klose <doko@xxxxxxxxxx>
Date: Thu, 20 Nov 2014 11:51:06 -0000
Reply-to: Bug 906876 <906876@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

works for me in 14.04 LTS

** Changed in: gdb (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/906876

Title:
  Gdb assertion failure when using core dumps: "find_inferior_pid:
  Assertion `pid != 0' failed"

Status in GNU Debugger:
  Confirmed
Status in “gdb” package in Ubuntu:
  Fix Released

Bug description:
  Under Natty, I experience an odd issue when trying to use a core dump
  with gdb. In particular, when exiting gdb, I can see the following
  error message:

  /build/buildd/gdb-7.2/gdb/inferior.c:362: internal-error:
  find_inferior_pid: Assertion `pid != 0' failed.

  Steps to reproduce:
  1) Start bash and type "ulimit -c unlimited" to enable core dumps.
  2) Compile any C or C++ source file that causes a segfault. (One has already been attached)
  3) Run the executable and then type "gdb progname dump", where progname is the name of the program and dump is the core dump.
  4) Type "run" in gdb, wait for the program to crash and type "quit", "y".
  5) The following is displayed:

  /build/buildd/gdb-7.2/gdb/inferior.c:362: internal-error: find_inferior_pid: Assertion `pid != 0' failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) y

  /build/buildd/gdb-7.2/gdb/inferior.c:362: internal-error: find_inferior_pid: Assertion `pid != 0' failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) y
  --- 
  Architecture: i386
  CheckboxSubmission: c8e668fe14ff2a447d87d27acf9e150b
  CheckboxSystem: b845c366ea09c60efa3a45c1b5b21525
  DistroRelease: Ubuntu 11.04
  InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Release i386 (20100429.4)
  NonfreeKernelModules: wl
  Package: gdb 7.2-1ubuntu11
  PackageArchitecture: i386
  ProcEnviron:
   LANGUAGE=el_GR:en
   LANG=el_GR.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.38-13.52-generic 2.6.38.8
  Tags:  natty running-unity
  Uname: Linux 2.6.38-13-generic i686
  UpgradeStatus: Upgraded to natty on 2011-10-15 (65 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

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