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Full Discussion: When a process is down - how to get a coredump in arm board?
Top Forums Programming When a process is down - how to get a coredump in arm board? Post 302400481 by jim mcnamara on Wednesday 3rd of March 2010 09:55:10 AM
Old 03-03-2010
Possible answers

The user running the app has a ulimit setting to prevent it - environment setting
You linked against an object that blocks SIGSEGV/SIGBUS
You block SIGSEGV/SIGBUS in your code somewhere

I do not know much about ARM. When you execute the image file is there some separate environment in which it runs? To check resource settings:
ex:
Code:
struct rlimit rlp;
if(getrlimit(RLIMIT_CORE, rlp)==0)
    fprintf(stdout, "core dump blocked\n");

I would guess this is the first place to look, and if this is not the case then it pretty much has to be signal blocking somewhere.
 

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LEARN ABOUT DEBIAN

arm

arm(1)							      General Commands Manual							    arm(1)

NAME

       arm - Terminal Tor status monitor

SYNOPSIS

       arm [OPTION]

DESCRIPTION

       The  anonymizing  relay	monitor (arm) is a terminal status monitor for Tor relays, intended for command-line aficionados, ssh connections,
       and anyone stuck with a tty terminal. This works much like top does for system usage, providing real time statistics for:
	 * bandwidth, cpu, and memory usage
	 * relay's current configuration
	 * logged events
	 * connection details (ip, hostname, fingerprint, and consensus data)
	 * etc

       Defaults and interface properties are configurable via a user provided configuration file (for an example see the  provided  armrc.sample).
       Releases and information are available at http://www.atagar.com/arm.

OPTIONS

       -i, --interface [ADDRESS:]PORT
	      tor control port arm should attach to (default is 127.0.0.1:9051)

       -c, --config CONFIG_PATH
	      user provided configuration file (default is ~/.arm/armrc)

       -d, --debug
	      writes all arm logs to ~/.arm/log

       -b, --blind
	      disable connection lookups (netstat, lsof, and ss), dropping the parts of the interface that rely on this information

       -e, --event EVENT_FLAGS
	      flags for tor, arm, and torctl events to be logged (default is N3)

		d DEBUG      a ADDRMAP		 k DESCCHANGED	 s STREAM
		i INFO	     f AUTHDIR_NEWDESCS  g GUARD	 r STREAM_BW
		n NOTICE     h BUILDTIMEOUT_SET  l NEWCONSENSUS  t STATUS_CLIENT
		w WARN	     b BW		 m NEWDESC	 u STATUS_GENERAL
		e ERR	     c CIRC		 p NS		 v STATUS_SERVER
			     j CLIENTS_SEEN	 q ORCONN
		  DINWE tor runlevel+		 A All Events
		  12345 arm runlevel+		 X No Events
		  67890 torctl runlevel+	 U Unknown Events

       -v, --version
	      provides version information

       -h, --help
	      provides usage information

FILES

       ~/.arm/armrc
	      Your personal arm configuration file

       /usr/share/doc/arm/armrc.sample
	      Sample armrc configuration file that documents all options

AUTHOR

       Written by Damian Johnson (atagar@torproject.org)

								  27 August 2010							    arm(1)
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