http://openocd.org/doc/doxygen/bugs.html
Warn : Adapter driver 'buspirate' did not declare which transports it allows; assuming legacy JTAG-only
Info : only one transport option; autoselect 'jtag'
Info : Buspirate Interface ready!
Info : This adapter doesn't support configurable speed
Info : JTAG tap: at91sam7s.cpu tap/device found: 0x3f0f0f0f (mfg: 0x787 (<unknown>), part: 0xf0f0, ver: 0x3)
Info : TAP auto0.tap does not have IDCODE
Info : TAP auto1.tap does not have IDCODE
Info : TAP auto2.tap does not have IDCODE
Info : TAP auto3.tap does not have IDCODE
Info : TAP auto4.tap does not have IDCODE
Info : TAP auto5.tap does not have IDCODE
Info : TAP auto6.tap does not have IDCODE
Info : TAP auto7.tap does not have IDCODE
Info : TAP auto8.tap does not have IDCODE
Info : TAP auto9.tap does not have IDCODE
Info : TAP auto10.tap does not have IDCODE
Info : TAP auto11.tap does not have IDCODE
Info : TAP auto12.tap does not have IDCODE
Info : TAP auto13.tap does not have IDCODE
Info : TAP auto14.tap does not have IDCODE
Info : TAP auto15.tap does not have IDCODE
Info : TAP auto16.tap does not have IDCODE
Info : TAP auto17.tap does not have IDCODE
Info : TAP auto18.tap does not have IDCODE
Info : TAP auto19.tap does not have IDCODE
Warn : Unexpected idcode after end of chain: 52 0x00000000
Warn : Unexpected idcode after end of chain: 84 0x00000000
Warn : Unexpected idcode after end of chain: 116 0x00000000
Warn : Unexpected idcode after end of chain: 148 0x00000000
Warn : Unexpected idcode after end of chain: 180 0x00000000
Warn : Unexpected idcode after end of chain: 212 0x00000000
Warn : Unexpected idcode after end of chain: 244 0x00000000
Warn : Unexpected idcode after end of chain: 276 0x00000000
Warn : Unexpected idcode after end of chain: 308 0x00000000
Warn : Unexpected idcode after end of chain: 340 0x00000000
Warn : Unexpected idcode after end of chain: 372 0x00000000
Warn : Unexpected idcode after end of chain: 404 0x00000000
Warn : Unexpected idcode after end of chain: 436 0x00000000
Warn : Unexpected idcode after end of chain: 468 0x00000000
Warn : Unexpected idcode after end of chain: 500 0x00000000
Warn : Unexpected idcode after end of chain: 532 0x00000000
Warn : Unexpected idcode after end of chain: 564 0x00000000
Warn : Unexpected idcode after end of chain: 596 0x00000000
Warn : Unexpected idcode after end of chain: 628 0x00000000
Error: double-check your JTAG setup (interface, speed, ...)
Error: Trying to use configured scan chain anyway...
Warn : AUTO auto0.tap - use "jtag newtap auto0 tap -irlen 2 -expected-id 0x00000000"
Error: auto0.tap: IR capture error; saw 0x0000 not 0x0001
Warn : Bypassing JTAG setup events due to errors
Info : Embedded ICE version 0
Error: unknown EmbeddedICE version (comms ctrl: 0x00000000)
Info : at91sam7s.cpu: hardware has 2 breakpoint/watchpoint units