--- Comment #9 from Aleksander Alekseev <> ---
Here is some additional debug information, just for the record (still on

dmesg right after resume:

dmesg after reconnecting USB adapter:

If I disconnect an adapter everything works just fine, usbconfig doesn't hang,
etc. If I connect it or (!) any other USB device (a flash drive for instance)
back the problem returns. Apparently when I do it code enters an infinite loop
somewhere in usub_reattach_port and usb_alloc_device procedures. Explains why
usbconfig hangs.

I will try to reproduce this issue on 12.0 and add a bit more debug output. I
have no experience in kernel development so any suggestions on how else I could
debug this issue would be much appreciated.

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