Sorry about reference to `program` in the ticket, I simplified the reproduction
to `write_image`.
Also, heres some log following immediately after the above output (had to reset
before I tried again, with the same result):
```
> flash write_image fw.elf 0x100000
Flash write discontinued at 0x081020c4, next section at 0x08120000
Target is already running an algorithm
error starting target flash write algorithm
error writing to flash at address 0x08000000 at offset 0x00100000
> reset init
Unable to match requested speed 2000 kHz, using 1800 kHz
Unable to match requested speed 2000 kHz, using 1800 kHz
adapter speed: 1800 kHz
target halted due to debug-request, current mode: Thread
xPSR: 00000000 pc: 00000000 msp: 00000000
Unable to match requested speed 8000 kHz, using 4000 kHz
Unable to match requested speed 8000 kHz, using 4000 kHz
adapter speed: 4000 kHz
> flash write_image fw.elf 0x100000
Flash write discontinued at 0x081020c4, next section at 0x08120000
timed out while waiting for target halted
target halted due to debug-request, current mode: Handler HardFault
xPSR: 0x00000003 pc: 00000000 msp: 0xffffffe0
error waiting for target flash write algorithm
error writing to flash at address 0x08000000 at offset 0x00100000
>
```
---
** [tickets:#203] programming st_nucleo_f7 (stm32f767) bank 2 consistently
fails**
**Status:** new
**Milestone:** 0.9.0
**Created:** Mon Aug 20, 2018 09:55 PM UTC by Cody Schafer
**Last Updated:** Mon Aug 20, 2018 09:55 PM UTC
**Owner:** nobody
In the `stm32f767zi` (on the nucleo-f767zi board), there is 2MiB of flash. When
it is configured into dual bank mode (`stm32f2x options_write 0 0xDFC 0x0080
0x0040`, presuming all other options are left at their defaults), using the
`program` command to program the second bank (`bank1_start=0x0810_0000`,
`bank2_start=0x0800_0000`) with the command `flash write_image fw.elf erase
0x100000`, the execution consistently fails with the following output:
`openocd -f board/st_nucleo_f7.cfg`
```
> flash write_image fw.elf 0x100000
Flash write discontinued at 0x081020c4, next section at 0x08120000
timed out while waiting for target halted
target halted due to debug-request, current mode: Handler HardFault
xPSR: 0x00000003 pc: 00000000 msp: 0xffffffe0
error waiting for target flash write algorithm
error writing to flash at address 0x08000000 at offset 0x00100000
```
This is using the embedded `ST-LINK` included on the nucleo. The st-link
firmware version is `V2J31M21`.
`fw.elf` has sections starting in bank1 of flash, which is why the offset is
only the difference between bank1 and bank2.
The banks refered to here are banks in the stm32f7x sense, and are _not_
openocd flash banks.
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