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Full Discussion: Using gdb, ignore beginning segmentation fault until reproduce environment segmentation fault
Top Forums Programming Using gdb, ignore beginning segmentation fault until reproduce environment segmentation fault Post 302714793 by pooyair on Friday 12th of October 2012 04:58:01 PM
Old 10-12-2012
Thanks for replies

1. As explained in first post of thread , using normal gdb backtrace comand could not helpful , since i know Segmentation fault log , my question is not how i could catch the segmentation fault error log or fix it , since i know how.
my question is , If segmentation fault error occur more than 12 times , my environment (or maybe my kernel would crash) it could be kernel bug with my stb , Therefore , using -g and catch the first SEGV is not my desire (i know even the fix for this SEGV) but i deliberately , let it to be , in order to investigate Kernel (or environment) crash

if i use -g option and use gdb , before i could achieve to investigate Kernel (or environment) crash , i would get Segmentation fault (which is not as my desire , since it prevent me to know , why kernel would crash...


2. i compiled polo , with the cc option : -ggdb
could somebody please tell me what is the difference beetween -g and -ggdb in cc option?
 

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LEARN ABOUT LINUX

apport-collect

apport-bug(1)						      General Commands Manual						     apport-bug(1)

NAME

       apport-bug, apport-collect - file a bug report using Apport, or update an existing report

SYNOPSIS

       apport-bug

       apport-bug symptom | pid | package | program path | .apport/.crash file

       apport-collect report-number

DESCRIPTION

       apport-bug  reports problems to your distribution's bug tracking system, using Apport to collect a lot of local information about your sys-
       tem to help the developers to fix the problem and avoid unnecessary question/answer turnarounds.

       You should always start with running apport-bug without arguments, which will present a list of known symptoms. This will generate the most
       useful bug reports.

       If  there is no matching symptom, you need to determine the affected program or package yourself. You can provide a package name or program
       name to apport-bug, e. g.:

	   apport-bug firefox
	   apport-bug /usr/bin/unzip

       In order to add more information to the bug report that could help the developers to fix the problem, you can also  specify  a  process	ID
       instead:

	   $ pidof gnome-terminal
	   5139
	   $ apport-bug 5139

       As  a  special  case,  to  report  a  bug  against  the	Linux  kernel,	you  do  not  need  to	use  the full package name (such as linux-
       image-2.6.28-4-generic); you can just use

	   apport-bug linux

       to report a bug against the currently running kernel.

       Finally, you can use this program to report a previously stored crash or bug report:

	   apport-bug /var/crash/_bin_bash.1000.crash
	   apport-bug /tmp/apport.firefox.332G9t.apport

       Bug reports can be written to a file by using the --save option	or by using apport-cli.

       apport-bug detects whether KDE or Gnome is running and calls apport-gtk or apport-kde accordingly. If neither is available, or the  session
       does not run under X11, it calls apport-cli for a command-line client.

UPDATING EXISTING REPORTS

       apport-collect  collects  the same information as apport-bug, but adds it to an already reported problem you have submitted. This is useful
       if the report was not originally filed through Apport, and the developers ask you to attach information from your system.

OPTIONS

       Please see the apport-cli(1) manpage for possible options.

ENVIRONMENT

       APPORT_IGNORE_OBSOLETE_PACKAGES
	      Apport refuses to create bug reports if the package or any dependency is not current. If this  environment  variable  is	set,  this
	      check  is  waived.  Experts who will thoroughly check the situation before filing a bug report can define this in their ~/.bashrc or
	      temporarily on the command line when calling apport-bug.

SEE ALSO

       apport-cli(1)

AUTHOR

       apport and the accompanying tools are developed by Martin Pitt <martin.pitt@ubuntu.com>.

Martin Pitt							September 08, 2009						     apport-bug(1)
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