Slackware64 current - COMFAST USB NIC stopped after upgrade to kernel 6.6.13
Tried multiple USB ports and even other USB Controller Card, same issue.

[ 2246.451975] usb usb5-port4: attempt power cycle
[ 2784.284502] usb 5-4: new SuperSpeed USB device number 15 using xhci_hcd
[ 2784.299951] usb 5-4: New USB device found, idVendor=0e8d, idProduct=7961, bcdDevice= 1.00
[ 2784.299958] usb 5-4: New USB device strings: Mfr=6, Product=7, SerialNumber=8
[ 2784.299961] usb 5-4: Product: Wireless_Device
[ 2784.299964] usb 5-4: Manufacturer: MediaTek Inc.
[ 2784.299966] usb 5-4: SerialNumber: 000000000
[ 2784.335607] Bluetooth: hci1: HW/SW Version: 0x008a008a, Build Time: 20231109191416
[ 2786.914494] Bluetooth: hci1: Device setup in 2520785 usecs
[ 2786.914510] Bluetooth: hci1: HCI Enhanced Setup Synchronous Connection command is advertised, but not supported.
[ 2788.944553] Bluetooth: hci1: Opcode 0x0c03 failed: -110
[ 2791.003309] Bluetooth: hci1: Failed to read MSFT supported features (-110)
[ 2796.624611] xhci_hcd 0000:03:00.0: Timeout while waiting for setup device command
[ 2802.256498] xhci_hcd 0000:03:00.0: Timeout while waiting for setup device command
[ 2802.467330] usb 5-4: device not accepting address 15, error -62
[ 2807.888416] xhci_hcd 0000:03:00.0: Timeout while waiting for setup device command

https://github.com/morrownr/USB-WiFi/issues/355

Firmware issue.

I will try to rollback to old Kernel until this is fixed.
Reverting only firmware files didn't worked.

Thanks.

Solved with latest kernel and firmware update from slackware64-current (26/01/2024).

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