XHC WHB04B development?
- Hakan
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12 Feb 2026 15:41 - 12 Feb 2026 15:42 #342848
by Hakan
Replied by Hakan on topic XHC WHB04B development?
I think the github issue is dead so better discuss here.
It's always the same error:github.com/LinuxCNC/linuxcnc/blob/ffc393...whb04b-6/usb.cc#L465
Don't have an actual log available, pretty sure it's that line
It's always the same error:
> xhc-whb04b-6: hal/user_comps/xhc-whb04b-6/usb.cc:465: bool XhcWhb04b6::Usb::setupAsyncTransfer(): Assertion `0 == r' failed.Don't have an actual log available, pretty sure it's that line
Last edit: 12 Feb 2026 15:42 by Hakan.
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- Finngineering
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12 Feb 2026 16:00 #342850
by Finngineering
Replied by Finngineering on topic XHC WHB04B development?
Okay, thank you. I'm fairly certain that the reason for that message is that the pendant (dongle) has reset itself. But I don't think we know why it did so in this case. It could be something that the xhc-whb04b-6 component is doing wrong (different from the mode change delay). But it could also be that the dongle firmware is just that unstable.
I don't have any real good way to troubleshoot this. For the mode change timeout, I could capture the USB signals with a logic analyzer. But that is not feasible with my equipment if I need to wait for maybe one hour for the issue to occur. Wireshark is a possibility, but it does not show the low level packets...
I don't have any real good way to troubleshoot this. For the mode change timeout, I could capture the USB signals with a logic analyzer. But that is not feasible with my equipment if I need to wait for maybe one hour for the issue to occur. Wireshark is a possibility, but it does not show the low level packets...
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