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Original question:

TUSB2077A: USB Hub device descriptor error in Linux

Linux/TUSB2077A: USB Hub device descriptor error in Linux

ehsan vaziri
Prodigy 10 points
Part Number: TUSB2077A

Tool/software: Linux

Hi

I am having similar issue with TUSB2077APTR.

On the boot time i am getting belowerror message few times:

device descriptor read/64, error -62

dmesg log and schematic of my design is attached.

Please help to solve this issue ASAP.

Best regards.

Ehsan Vaziri

Head of Hardware Development

5140.USB HUB.pdf

dmesg_usb_devices_error.log

  • 0
    TI__Guru 60870 points
    Hello Ehsan,

    The TUSB2077A schematic looks correct. We have had several customers report issues with full speed hubs and linux drivers, can you try changing Linux versions and retesting?

    Thanks,
    JMMN