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Top Forums UNIX for Advanced & Expert Users Trace "free(): invalid next size (normal)" error on arm-linux board Post 302521727 by ss1969 on Thursday 12th of May 2011 05:51:32 AM
Old 05-12-2011
Network Trace "free(): invalid next size (normal)" error on arm-linux board

Hi guys,

i'm running a program on samsumg 6410 arm cpu board. it caused an "free(): invalid next size (normal)" fail.

i try to use gdb for remote debugging:
1, start gdb server on board:
Code:
gdbserver 192.168.1.20:1234 ./HostAP 
Process ./HostAP created; pid = 499
Listening on port 1234
Remote debugging from host 192.168.1.177

2, using gdb on linux to connect, then run;

3, i got this on my console of 6410 board:
Code:
*** glibc detected *** ./HostAP: free(): invalid next size (normal): 0x0010f060 ***

4, i got this on my linux machine terminal: (hand type in..)
Code:
Program received signal SIGABRT, Aborted
[Switching to Thread 503]
0x42ade490 in ?? ()

5, i type "backtrace" command, but got this:
Code:
#0 0x42ade490 in ?? ()
Cannot access memory at address 0xa


So, i'm strucked here.. and don't know how to continue the debugging ...

any advice will be appreciated.

thanks in advance.

ss1969
 

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IRSEND(1)							   User Commands							 IRSEND(1)

NAME
irsend - basic LIRC program to send infra-red commands SYNOPSIS
irsend [options] DIRECTIVE REMOTE CODE [CODE...] DESCRIPTION
Asks the lircd daemon to send one or more CIR (Consumer Infra-Red) commands. This is intended for remote control of electronic devices such as TV boxes, HiFi sets, etc. DIRECTIVE can be: SEND_ONCE - send CODE [CODE ...] once SEND_START - start repeating CODE SEND_STOP - stop repeating CODE LIST - list configured remote items SET_TRANSMITTERS - set transmitters NUM [NUM ...] SIMULATE - simulate IR event REMOTE is the name of a remote, as described in the lircd configuration file. CODE is the name of a remote control key of REMOTE, as it appears in the lircd configuration file. NUM is the transmitter number of the hardware device. For the LIST DIRECTIVE, REMOTE and/or CODE can be empty: LIST "" "" - list all configured remote names LIST REMOTE "" - list all codes of REMOTE LIST REMOTE CODE - list only CODE of REMOTE The SIMULATE command only works if it has been explicitly enabled in lircd. -h --help display usage summary -v --version display version -d --device use given lircd socket [/var/run/lirc/lircd] -a --address=host[:port] connect to lircd at this address -# --count=n send command n times EXAMPLES
irsend LIST DenonTuner "" irsend SEND_ONCE DenonTuner PROG-SCAN irsend SEND_ONCE OnkyoAmpli VOL-UP VOL-UP VOL-UP VOL-UP irsend SEND_START OnkyoAmpli VOL-DOWN ; sleep 3 irsend SEND_STOP OnkyoAmpli VOL-DOWN irsend SET_TRANSMITTERS 1 irsend SET_TRANSMITTERS 1 3 4 irsend SIMULATE "0000000000000476 00 OK TECHNISAT_ST3004S" FILES
/etc/lirc/lircd.conf Default lircd configuration file. It should contain all the remotes, their infra-red codes and the corresponding timing and wave- form details. DIAGNOSTICS
If lircd is not running (or /var/run/lirc/lircd lacks write permissions) irsend aborts with the following diagnostics: "irsend: could not connect to socket" "irsend: Connection refused" (or "Permission denied"). SEE ALSO
The documentation for lirc is maintained as html pages. They are located under html/ in the documentation directory. lircd(8), mode2(1), smode2(1), xmode2(1), irrecord(1), irw(1), http://www.lirc.org. irsend 0.9.0-pre1 October 2010 IRSEND(1)
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