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[Bug 1211412] Re: gdb crashed with SIGSEGV in lookup_objfile_from_block()

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Matthias Klose <doko@xxxxxxxxxx>
Date: Thu, 20 Nov 2014 15:44:45 -0000
Reply-to: Bug 1211412 <1211412@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

closing this issue; please recheck with gdb in 14.04 LTS and 14.10. Feel
free to re-open the issue if the problem persists.

** Changed in: gdb (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1211412

Title:
  gdb crashed with SIGSEGV in lookup_objfile_from_block()

Status in “gdb” package in Ubuntu:
  Invalid

Bug description:
  I was debugging V8

  ProblemType: Crash
  DistroRelease: Ubuntu 13.04
  Package: gdb 7.6~20130417-0ubuntu1
  ProcVersionSignature: Ubuntu 3.8.0-27.40-generic 3.8.13.4
  Uname: Linux 3.8.0-27-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8.3
  Architecture: amd64
  Date: Mon Aug 12 18:38:50 2013
  ExecutablePath: /usr/bin/gdb
  InstallationDate: Installed on 2013-06-25 (48 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MarkForUpload: True
  ProcCmdline: gdb --args out/x64.debug/cctest test-ast
  SegvAnalysis:
   Segfault happened at: 0x5980cd <lookup_objfile_from_block+84>:	mov    0x10(%rax),%rax
   PC (0x005980cd) ok
   source "0x10(%rax)" (0x00000010) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: gdb
  Stacktrace:
   #0  0x00000000005980cd in lookup_objfile_from_block ()
   No symbol table info available.
   Cannot access memory at address 0x7fff1f4ed258
  StacktraceTop: lookup_objfile_from_block ()
  ThreadStacktrace:
   .
   Thread 1 (LWP 1800):
   #0  0x00000000005980cd in lookup_objfile_from_block ()
   No symbol table info available.
   Cannot access memory at address 0x7fff1f4ed258
  Title: gdb crashed with SIGSEGV in lookup_objfile_from_block()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxsf

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