IoT-Lab flash problem

gistfile1.txt

/home/oleg/git/RIOT/boards/iot-lab_M3/dist/flash.sh /home/oleg/git/miniature-dangerzone/sixlowapp/bin/iot-lab_M3/sixlowapp.hex
Open On-Chip Debugger 0.9.0-dev-00184-g885f438 (2014-10-29-15:26)
Licensed under GNU GPL v2
For bug reports, read
	http://openocd.sourceforge.net/doc/doxygen/bugs.html
Error: session's transport is not selected.
Info : session transport was not selected, defaulting to JTAG
adapter speed: 1000 kHz
adapter_nsrst_delay: 100
jtag_ntrst_delay: 100
cortex_m reset_config sysresetreq
Info : clock speed 1000 kHz
Info : JTAG tap: stm32f1x.cpu tap/device found: 0x3ba00477 (mfg: 0x23b, part: 0xba00, ver: 0x3)
Info : JTAG tap: stm32f1x.bs tap/device found: 0x06414041 (mfg: 0x020, part: 0x6414, ver: 0x0)
Error: Failed to read memory at 0x00000000
Error: JTAG-DP OVERRUN - check clock, memaccess, or reduce jtag speed
Error: MEM_AP_CSW 0x23000042, MEM_AP_TAR 0xe000edf0
Polling target stm32f1x.cpu failed, GDB will be halted. Polling again in 100ms
Error: JTAG-DP OVERRUN - check clock, memaccess, or reduce jtag speed
Error: MEM_AP_CSW 0x23000042, MEM_AP_TAR 0xe000edf0
Polling target stm32f1x.cpu failed, GDB will be halted. Polling again in 300ms
    TargetName         Type       Endian TapName            State       
--  ------------------ ---------- ------ ------------------ ------------
 0* stm32f1x.cpu       cortex_m   little stm32f1x.cpu       unknown
Info : JTAG tap: stm32f1x.cpu tap/device found: 0x3ba00477 (mfg: 0x23b, part: 0xba00, ver: 0x3)
Info : JTAG tap: stm32f1x.bs tap/device found: 0x06414041 (mfg: 0x020, part: 0x6414, ver: 0x0)
Error: JTAG-DP OVERRUN - check clock, memaccess, or reduce jtag speed
Error: MEM_AP_CSW 0x23000042, MEM_AP_TAR 0xe000edf0
in procedure 'reset' 
in procedure 'ocd_bouncer'

in procedure 'reset'
/home/oleg/git/miniature-dangerzone/sixlowapp/../../RIOT/Makefile.include:182: recipe for target 'flash' failed
make: *** [flash] Error 1