[openocd:tickets] Re: #462 Problems on arm64 host

[Paul F. <da...@us...>]

On Wed, Nov 05, 2025 at 10:57:53AM -0000, Mark W wrote:
>   How did you route around it if you're talking about the USB hub
>   integrated on RaspberryPi 5 board? First of all, it's not a full speed
>   hub there (so the forum thread doesn't apply), second, as seen in
>   doc/usb_adapters/stlink/0483_3757_stlinkv3pwr.txt it's a high speed
>   device so no translation is needed in any case. Are you connecting it
>   via an additional full speed hub?
> 
> It's a rPi CM5, with the TI USB hub on the parent PCB.
> I understand how that would have been confusing, my apologies.

Thank you for clarifications.

So does it basically mean stlinkv3 might have issues working with full
speed? Can you try it with some other old (full speed) hub?

I wonder if old full speed hub IC is really that much cheaper than a
high speed one these days? USB2514B 4 ports high speed hub is $1.8
(buying 100) (and plenty other offerings) while TUSB2046 is $2.4 @100
(judging by Digikey). So where's the catch? ;)

-- 
Be free, use free (http://www.gnu.org/philosophy/free-sw.html) software!
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**[tickets:#462] Problems on arm64 host**

**Status:** new
**Milestone:** 0.12.0
**Created:** Tue Nov 04, 2025 07:00 AM UTC by Mark W
**Last Updated:** Wed Nov 05, 2025 10:57 AM UTC
**Owner:** nobody


I'm attempting to use openocd to connect to a STLink V3Mods using a Raspberry Pi 5 (arm64) host.

I've built OpenOCD on the host using the cloned master repo from https://github.com/openocd-org/openocd.
As im guessing this could be libusb related, ive tried the os repo version of libusb, and also built libusb from the github master.

The errors i see are (libusb also has debug output enabled):

~~~
Debug: 111 4 target.c:1598 handle_target_init_command(): Initializing targets...
Debug: 112 4 mem_ap.c:61 mem_ap_init_target(): [stm32h7x.ap2] mem_ap_init_target
Debug: 113 4 semihosting_common.c:109 semihosting_common_init():  
Debug: 114 4 stlink_usb.c:5120 stlink_dap_init(): stlink_dap_init()
Debug: 115 4 stlink_usb.c:3732 stlink_open(): stlink_open
Debug: 116 4 stlink_usb.c:3744 stlink_open(): transport: 4 vid: 0x0483 pid: 0x3744 serial: 
Debug: 117 4 stlink_usb.c:3744 stlink_open(): transport: 4 vid: 0x0483 pid: 0x3748 serial: 
Debug: 118 4 stlink_usb.c:3744 stlink_open(): transport: 4 vid: 0x0483 pid: 0x374b serial: 
Debug: 119 4 stlink_usb.c:3744 stlink_open(): transport: 4 vid: 0x0483 pid: 0x374d serial: 
Debug: 120 4 stlink_usb.c:3744 stlink_open(): transport: 4 vid: 0x0483 pid: 0x374e serial: 
Debug: 121 4 stlink_usb.c:3744 stlink_open(): transport: 4 vid: 0x0483 pid: 0x374f serial: 
Debug: 122 4 stlink_usb.c:3744 stlink_open(): transport: 4 vid: 0x0483 pid: 0x3752 serial: 
Debug: 123 4 stlink_usb.c:3744 stlink_open(): transport: 4 vid: 0x0483 pid: 0x3753 serial: 
Debug: 124 4 stlink_usb.c:3744 stlink_open(): transport: 4 vid: 0x0483 pid: 0x3754 serial: 
Debug: 125 4 stlink_usb.c:3744 stlink_open(): transport: 4 vid: 0x0483 pid: 0x3755 serial: 
Debug: 126 4 stlink_usb.c:3744 stlink_open(): transport: 4 vid: 0x0483 pid: 0x3757 serial: 
libusb: warning [libusb_init] installing new context as implicit default
libusb: error [submit_bulk_transfer] submiturb failed, errno=2
Debug: 127 10 stlink_usb.c:686 jtag_libusb_bulk_transfer_n(): ERROR, failed to submit transfer 0, error -1
libusb: warning [libusb_init] installing new context as implicit default
libusb: error [submit_bulk_transfer] submiturb failed, errno=2
Debug: 128 3482 stlink_usb.c:686 jtag_libusb_bulk_transfer_n(): ERROR, failed to submit transfer 0, error -1
Error: 129 3482 stlink_usb.c:3470 stlink_usb_usb_open(): read version failed
libusb: error [submit_bulk_transfer] submiturb failed, errno=2
Debug: 130 3482 stlink_usb.c:686 jtag_libusb_bulk_transfer_n(): ERROR, failed to submit transfer 0, error -1
Debug: 131 3482 command.c:453 jim_exec_command(): Command 'init' failed with error code -4
User : 132 3482 command.c:531 command_run_line(): openocd_erase.cfg:12: Error: 
in procedure 'script' 
at file "embedded:startup.tcl", line 72
at file "openocd_erase.cfg", line 12
~~~

I have also tested the exact same stlink and openocd version with a amd64 PC (Debian Linux) host, and Raspberry Pi 3 arm32 (rpi os). Everything works fine with these.

Any ideas as to what the problem may be here?

Thanks in advance.


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