On Wed, 2009-06-24 at 17:00 +0000, Bug Watch Updater wrote:

On Ubuntu 9.04,

# uname -a 
Linux asus 2.6.28-13-generic #44-Ubuntu SMP Tue Jun 2 07:57:31 UTC 2009
i686 GNU/Linux

# 
...<snip>...
Unit:	GPSmap 378 SYS Software Version 3.70
ID:	557
Version:	3.70RX (bulk) [0]:(RET2INTR)
...<snip>...
Capability A10:
Capability A100: D110
Capability A101: D120
Capability A201: D202 D110 D210
Capability A301: D312 D302
Capability A400: D110
Capability A500: D501
Capability A600: D600
Capability A601: D601
Capability A700: D700
Capability A800: D800
Capability A802: D802
Capability A900:
Capability A902:
Capability A903:
Capability A904:
Capability A905: D900
Capability A913: D913
Capability A907: D907 D908 D909 D910
Capability A916:
Capability A908: D911
Capability A918: D918
Link_type 1  Device_command 0
Waypoint: Transfer 100 Type 110
Route:    Transfer 201 Header 202 Type 110
Track:    Transfer 301 Type 302
...<snip>...


gpsbabel exits with a seg fault about 1/4 of the time.  The other 3/4
tries, it seems Ok, test.gps seems to have all the waypoints

I built gpsbabel with -g

I had to repeat this several times to get a seg fault
# ./gpsbabel -D9 -i garmin -f usb: -o gpx -F test.gpx
...<snip>...
RX (bulk) [2]:30 00 0.(PRDDAT  )
RX (bulk) [58]:2e 31 74 6f 72 6f 75 74 65 20 57 65 61 74 68 65 72 20 42
61 73 65 6d 61 70 20 33 2e 30 30 00 56 45 52 53 4d 41 50 20 41 4a 4f 2c
20 41 5a 20 28 57 45 53 54 29 2c 20 41 4c
41 .1toroute.Weather.Basemap.3.00.VERSMAP.AJO..AZ..WEST...ALA(UNKNOWN )
Segmentation fault (core dumped)

# gdb -c core ./gpsbabel
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show
copying"
and "show warranty" for details.
This GDB was configured as "i486-linux-gnu"...

warning: Can't read pathname for load map: Input/output error.
Reading symbols from /lib/libusb-0.1.so.4...done.
Loaded symbols for /lib/libusb-0.1.so.4
Reading symbols from /lib/tls/i686/cmov/libm.so.6...done.
Loaded symbols for /lib/tls/i686/cmov/libm.so.6
Reading symbols from /usr/lib/libexpat.so.1...done.
Loaded symbols for /usr/lib/libexpat.so.1
Reading symbols from /lib/tls/i686/cmov/libc.so.6...done.
Loaded symbols for /lib/tls/i686/cmov/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /lib/tls/i686/cmov/libpthread.so.0...done.
Loaded symbols for /lib/tls/i686/cmov/libpthread.so.0
Core was generated by `./gpsbabel -D9 -i garmin -f usb: -o gpx -F
test.gpx'.
Program terminated with signal 11, Segmentation fault.
[New process 26678]
#0  0xb7f22896 in memcpy () from /lib/tls/i686/cmov/libc.so.6
(gdb) bt
#0  0xb7f22896 in memcpy () from /lib/tls/i686/cmov/libc.so.6
#1  0x0804a2c0 in ?? ()
#2  0x0807931b in gdu_read (fd=0x8bf3ca8, packet=0xbfd946ac)
    at jeeps/gpsdevice_usb.c:45
#3  0x08079239 in GPS_Packet_Read (fd=0x8bf3ca8, packet=0xbfd946ac)
    at jeeps/gpsdevice.c:70
#4  0x080682a3 in GPS_A101_Get (port=0xbfd964d2 "usb:") at
jeeps/gpsapp.c:1062
#5  0x0807332d in GPS_Command_Get_Waypoint (port=0xbfd964d2 "usb:", 
    way=0xbfd9471c, cb=0x809bc4c <waypt_read_cb>) at jeeps/gpscom.c:95
#6  0x0809bd0e in waypt_read () at garmin.c:307
#7  0x0809c781 in data_read () at garmin.c:732
#8  0x0804ac79 in main (argc=10, argv=0xbfd94884) at main.c:358
(gdb) up
#1  0x0804a2c0 in ?? ()
(gdb) up
#2  0x0807931b in gdu_read (fd=0x8bf3ca8, packet=0xbfd946ac)
    at jeeps/gpsdevice_usb.c:45
45		return GPS_Packet_Read_usb(fd, packet, 1);
Current language:  auto; currently c
(gdb) p fd
$1 = (gpsdevh *) 0x8bf3ca8
(gdb) p *fd
$2 = <incomplete type>
(gdb) p packet
$3 = (GPS_PPacket *) 0xbfd946ac
(gdb) p *packet
$4 = (GPS_PPacket) 0x8bf3f50
(gdb) p **packet
$5 = {dle = 16 '\020', type = 114 'r', n = 101 'e', 
  data = 0x8bf43f0 "ather Basemap 3.00", chk = 0 '\0', edle = 16
'\020', 
  etx = 3 '\003', bytes = 0 '\0'}
(gdb) disassemble
0x080792fb <gdu_read+0>: push   %ebp
0x080792fc <gdu_read+1>:mov    %esp,%ebp
0x080792fe <gdu_read+3>:sub    $0x18,%esp
0x08079301 <gdu_read+6>:movl   $0x1,0x8(%esp)
0x08079309 <gdu_read+14>:mov    0xc(%ebp),%eax
0x0807930c <gdu_read+17>:mov    %eax,0x4(%esp)
0x08079310 <gdu_read+21>:mov    0x8(%ebp),%eax
0x08079313 <gdu_read+24>:mov    %eax,(%esp)
0x08079316 <gdu_read+27>:call   0x807a6d0 <GPS_Packet_Read_usb>
0x0807931b <gdu_read+32>:leave  
0x0807931c <gdu_read+33>:ret    
End of assembler dump.