I have another nucleo-429zi that I purchased in the same order as the one that
was updated. This unupdated board has firmware V2J28M18, and does not show the
same libusb_bulk_transfer timeouts as the board updated to V2J30M19 (I get ITM
output as expected).
I'm using the following commands via gdb to initialize the cpu, tpiu, and itm:
```
monitor reset halt
monitor tpiu config internal itm.fifo uart off 16000000
monitor itm port 0 on
c
```
ITM output is observed via an external device in the case where
libusb_bulk_transfer timeouts are observed.
---
** [tickets:#174] stlink-v2-1 with firmware V2J30M19 timeouts in bulk transfer
reads of trace endpoint**
**Status:** new
**Milestone:** 0.9.0
**Created:** Thu Jan 25, 2018 08:39 PM UTC by Cody Schafer
**Last Updated:** Thu Jan 25, 2018 10:42 PM UTC
**Owner:** nobody
Immediately after updating the firmware on a stlink-v2-1 (on a nucleo-f429zi
board) to V2J30M19 (from STSW-LINK007 version 2.30.19 ), I've started to see
libusb bulk transfer timeouts when openocd tried to read the trace endpoint.
"bulk trace read failed" is printed. I've tried increasing the timeout 10x, but
it still times out.
This is on current master (64f1f7b1c179dcce4e008bef6bf9515c47ae4100) with a few
changes to print details about the libusb_bulk_transfer failures (return values
from those functions are typically ignored.
I unfortunately didn't note the previous (non-erroring for this case) firmware
version.
---
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